Exhibit 99.1 MACK-CALI REALTY CORPORATION SECOND QUARTER 2001 SUPPLEMENTAL OPERATING AND FINANCIAL DATA THIS SUPPLEMENTAL OPERATING AND FINANCIAL DATA IS NOT AN OFFER TO SELL OR SOLICITATION TO BUY ANY SECURITIES OF THE COMPANY. ANY OFFERS TO SELL OR SOLICITATIONS OF THE COMPANY SHALL BE MADE BY MEANS OF A PROSPECTUS. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 1 INDEX

PAGE/S ------ I. COMPANY BACKGROUND o About the Company/Other Corporate Data..............................................................5 o Board of Directors/Executive Officers...............................................................6 o Equity Research Coverage/Company Contact Information................................................7 II. FINANCIAL HIGHLIGHTS o Quarterly Summary...................................................................................9 o Property Sales/Acquisitions........................................................................10 o Development/Financing Activities...................................................................11 o Leasing Information.............................................................................11-12 o Key Financial Data.................................................................................13 o Same-Store Results and Analysis....................................................................14 o Unconsolidated Joint Ventures Summary...........................................................15-18 o Select Financial Ratios............................................................................19 o Debt Analysis: o Debt Breakdown/Future Repayments...................................................................20 o Debt Maturities....................................................................................21 o Debt Detail........................................................................................22 III. FINANCIAL STATEMENTS o Consolidated Statements of Operations..............................................................24 o Consolidated Balance Sheets........................................................................25 o Consolidated Statement of Changes in Stockholders' Equity..........................................26 o Statements of Funds from Operations and Cash Available for Distribution............................27 o Reconciliation of Basic-to-Diluted Shares/Units....................................................28 IV. VALUE CREATION PIPELINE o Operating Property Acquisitions ...................................................................30 o Properties Placed in Service.......................................................................31 o Acquisition Property Profiles...................................................................32-36 o Summary of Construction Projects/Summary of Development Properties in Lease-Up.....................37 o Summary of Land Parcels............................................................................38 o Rental Property Sales..............................................................................39 V. PORTFOLIO/ LEASING STATISTICS o Leasing Statistics..............................................................................41-46 o Market Diversification (25 MSA's)..................................................................47 o Industry Diversification (Top 30 Tenant Industries)................................................48 o Consolidated Portfolio Analyses: BREAKDOWNS BY: (a) Number of Properties.........................................................................49 (b) Square Footage...............................................................................50 (c) Base Rental Revenue..........................................................................51 (d) Percentage Leased............................................................................52 o Consolidated Property Listing (by Property Type)................................................53-64 o Significant Tenants (Top 20 Tenants)...............................................................65 o Schedules of Lease Expirations (by Property Type)...............................................66-69

================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 2 Estimates of future Funds From Operations per share are by definition, and certain other matters discussed in this literature may constitute, forward-looking statements within the meaning of the Federal Securities law. Although the Company believes that the expectations reflected in such forward-looking statements are based upon reasonable assumptions, it can give no assurance that its expectations will be achieved. Forward-looking information is subject to certain risks, trends and uncertainties that could cause actual results to differ materially from those projected. Among those risks, trends and uncertainties are the general economic climate; the supply of and demand for office, office/flex and industrial/warehouse properties; interest rate levels; the availability of financing; and other risks associated with the development and acquisition of properties, including risks that the development may not be completed on schedule, that the tenants will not take occupancy or pay rent, or that development or operating costs may be greater than anticipated. For further information on factors which could impact the Company and the statements contained herein, reference should be made to the Company's filings with the Securities and Exchange Commission including quarterly reports on Form 10-Q, current reports on Form 8-K, and annual reports on Form 10-K. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 3 I. COMPANY BACKGROUND ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 4 I. COMPANY BACKGROUND ABOUT THE COMPANY Mack-Cali Realty Corporation (NYSE: CLI) is one of the largest real estate investment trusts (REITs) in the United States with a total market capitalization of $3.7 billion at June 30, 2001. Mack-Cali has been involved in all aspects of commercial real estate development, management and ownership for over 50 years and has been a publicly-traded REIT since 1994. Mack-Cali owns or has interests in 269 properties, primarily class A office and office/flex buildings, totaling approximately 28.5 million square feet, serving as home to over 2,400 tenants. The properties are located primarily in suburban markets of the Northeast, many with adjacent, Company-controlled developable land sites able to accommodate up to 9.3 million square feet of additional commercial space. HISTORY Established over 50 years ago, in 1994 the New Jersey-based firm became a publicly-traded company listed on the New York Stock Exchange under the ticker symbol CLI. Through combinations with some of the top companies in the real estate industry--most notably New Jersey-based Mack Company and Westchester, New York-based Robert Martin Company--Mack-Cali has become one of the leading real estate companies in the country. STRATEGY Mack-Cali's strategy is to be a significant real estate owner and operator in its core, high-barriers-to-entry markets, primarily in the Northeast. SUMMARY (AS OF JUNE 30, 2001) Corporate Headquarters Cranford, New Jersey Fiscal Year End 12/31 Total Properties 269 Total Square Feet 28.5 million square feet Geographic Diversity 11 states and the District of Columbia New Jersey Presence 14.4 million square feet Northeast Presence 22.5 million square feet Common Shares and Units Outstanding 70.6 million Dividend-- Quarter/Annualized $0.61/$2.44 Dividend Yield 8.6% Total Market Capitalization $3.7 billion Insider Ownership 17.5% Senior Debt Rating BBB (S&P and Fitch); Baa3 (Moody's) ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 5 BOARD OF DIRECTORS William L. Mack, CHAIRMAN OF THE BOARD John J. Cali, CHAIRMAN EMERITUS Earle I. Mack Brendan T. Byrne Alan G. Philibosian John R. Cali Irvin D. Reid Nathan Gantcher Vincent Tese Martin D. Gruss Robert F. Weinberg Mitchell E. Hersh Roy J. Zuckerberg EXECUTIVE OFFICERS Mitchell E. Hersh, CHIEF EXECUTIVE OFFICER Timothy M. Jones, PRESIDENT Barry Lefkowitz, EXECUTIVE VICE PRESIDENT AND CHIEF FINANCIAL OFFICER Roger W. Thomas, EXECUTIVE VICE PRESIDENT, GENERAL COUNSEL AND SECRETARY Michael A. Grossman, EXECUTIVE VICE PRESIDENT ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 6 EQUITY RESEARCH COVERAGE BANC OF AMERICA MONTGOMERY GREEN STREET ADVISORS Lee T. Schalop/ Alexis Hughes James Sullivan (212) 847-5677/ (212) 847-5705 (949) 640-8780 BEAR, STEARNS & CO., INC. LEHMAN BROTHERS Ross Smotrich David Shulman/ Stuart Axelrod (212) 272-8046 (212) 526-3413/ (212) 526-3410 CS FIRST BOSTON MERRILL LYNCH Lawrence Raiman Rahul Bhattacharjee/ Steve Sakwa (212) 538-2380 (212) 449-1920/ (212) 449-0335 DEUTSCHE BANC ALEX. BROWN MORGAN STANLEY DEAN WITTER Louis Taylor Gregory Whyte (212) 469-4912 (212) 761-6331 FIRST UNION PRUDENTIAL SECURITIES Christopher Haley James Sullivan/Michael Marron (443) 263-6773 (212) 778-2515/ (212) 778-1724 FRIEDMAN, BILLINGS, RAMSEY & CO. SALOMON SMITH BARNEY David Loeb Jonathan Litt/ Gary Boston (703) 469-1289 (212) 816-0231/ (212) 816-1383 GOLDMAN SACHS Jim Kammert (212) 855-0670 COMPANY CONTACT INFORMATION Mack-Cali Realty Corporation Investor Relations Department 11 Commerce Drive Cranford, New Jersey 07016-3599 PHONE: (908) 272-8000 WEB: WWW.MACK-CALI.COM FAX: (908) 272-6755 E-MAIL: INVESTORRELATIONS@MACK-CALI.COM ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 7 II. FINANCIAL HIGHLIGHTS ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 8 II. FINANCIAL HIGHLIGHTS QUARTERLY SUMMARY Funds from operations (FFO), after adjustment for straight-lining of rents and non-recurring charges, for the quarter ended June 30, 2001 amounted to $66.2 million, or $0.93 per share, versus $66.4 million, or $0.91 per share, for the quarter ended June 30, 2000, a per share increase of 2.2 percent. For the six months ended June 30, 2001, FFO, after adjustment for straight-lining of rents and non-recurring charges, amounted to $129.9 million, or $1.82 per share, versus $132.6 million, or $1.81 per share, for the same period last year, a per share increase of 1.0 percent. In the second quarter 2000, the Company incurred non-recurring charges relating to contractual obligations to departing employees of $9.2 million, or $0.13 per share, which has been excluded from FFO for the period. Cash available for distribution (CAD) for the second quarter 2001 equaled $56.3 million, or $0.79 per share, versus $54.1 million, or $0.74 per share, for the same quarter last year, an increase of 6.8 percent on a per share basis. For the six months ended June 30, 2001, CAD equaled $111.8 million, or $1.57 per share, versus $109.5 million, or $1.49 per share, for the same period last year, an increase of 5.4 percent on a per share basis. Total revenues for the second quarter 2001 increased $2.5 million to $148.4 million from $145.9 million for the same quarter last year, a 1.7 percent increase. For the six months ended June 30, 2001, total revenues amounted to $294.9 million, an increase of 2.1 percent over total revenues of $288.9 million for the same period last year. Income from operations before minority interest in Operating Partnership for the second quarter 2001 equaled $47.2 million, or $0.66 per share, versus $46.4 million, or $0.63 per share, for the same quarter last year, a per share increase of 4.8 percent. Income from operations before minority interest in Operating Partnership for the six months ended June 30, 2001 equaled $90.7 million, or $1.27 per share, versus $89.7 million, or $1.23 per share, for the same period last year, a per share increase of 3.3 percent. Income from operations before minority interest in Operating Partnership excludes realized gains and unrealized losses on disposition of rental property and non-recurring charges. All per share amounts presented are on a diluted basis; basic per share information is included in the accompanying financial tables. The Company had 56,299,124 shares of common stock, 7,956,525 common operating partnership units and 220,340 $1,000-face-value preferred operating partnership units outstanding at quarter end. The outstanding preferred units are convertible into 6,359,019 common operating partnership units. Assuming conversion of all preferred units into common units, the Company had a total of 70,614,668 shares/common units outstanding at June 30, 2001. As of June 30, 2001, the Company had total indebtedness of approximately $1.72 billion, with a weighted average annual interest rate of 7.3 percent. Mack-Cali had a total market capitalization of $3.7 billion and a debt-to-undepreciated assets ratio of 42.2 percent at June 30, 2001. The Company had an interest coverage ratio of 3.5 times for the quarter ended June 30, 2001. The Company continues to focus its efforts on its strategy of selling non-core and non-strategic assets and using the proceeds to enhance its presence in the Northeast and Mid-Atlantic regions. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 9 PROPERTY SALES During the quarter, the Company sold three wholly-owned properties and a joint venture-owned asset for total proceeds of approximately $112.3 million. The property sales, all of which were completed in June, consisted of the following: - - Tetco Tower, a 256,137 square-foot office building located in San Antonio, Texas, was sold for approximately $21.9 million; - - Cornerstone Regency, a 71,000 square-foot office building located in Houston, Texas, was sold for approximately $3.2 million; - - Tenby Chase, a 327-unit multi-family, residential complex located in Delran, New Jersey, was sold for approximately $20 million; and - - Continental Grand Plaza, a 239,085 square-foot office building located in El Segundo, California and owned by a joint venture between Mack-Cali and Highridge Partners, was sold for approximately $67.2 million. More recently, the Company completed the sales of two additional properties, as follows: - - In July, Preston Centre, a 95,509 square-foot office building located in Dallas, Texas, was sold for approximately $9.1 million; and - - In August, Century III, a 72,265 square-foot office building located in West Des Moines, Iowa, was sold for approximately $5.4 million. Century III was the Company's sole asset in Iowa. ACQUISITIONS During the quarter, the Company expanded its presence in Parsippany and Moorestown, New Jersey in two transactions, both of which were completed in April, as follows: - - Maple Plaza I and II, located in the Mack-Cali Business Campus in Parsippany, New Jersey, were acquired for approximately $48 million. The two class A office buildings, located at 4 and 6 Campus Drive, total 295,800 square feet, and are over 90 percent leased to leading tenants, including Nabisco, Prudential Insurance and ExxonMobil. The acquisitions increased the Company's holdings in the Parsippany submarket to a total of 2.0 million square feet; and - - The Company acquired three office/flex properties, which aggregate 154,200 square feet and are located in the Company's Moorestown West Corporate Center in Moorestown, New Jersey, for approximately $11 million. The acquisitions, which are 100 percent leased, increased the Company's holdings in the complex to a total of 1.2 million square feet. In August, the Company acquired two office/flex buildings, located in the Mid-Westchester Executive Park in Hawthorne, New York, for approximately $14.7 million. The two buildings, located at 5 and 6 Skyline Drive, total 168,177 square feet, and are 100 percent leased. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 10 DEVELOPMENT Progress also continues on three of the Company's newest development projects at its Harborside Financial Center, located on the Hudson River Waterfront in Jersey City, New Jersey, comprised of the following: - - Plaza 5, a 34-story, 980,000 square-foot class A office tower with a 1,270-car parking garage pedestal, is under construction and due to be completed by the end of 2002; - - Plaza 10, a 19-story, 575,000 square-foot class A office building, is expected to be completed in late 2002. The building is 100 percent pre-leased to Charles Schwab & Co., Inc. and will be the site of its newly expanded East Coast regional headquarters; and - - Hyatt Regency South Pier Hotel is a 350-room luxury hotel that is being built on the south pier of Harborside through a joint venture between Mack-Cali and Hyatt. Completion of this project is anticipated by late 2002. In April, the Company sold the north pier at its Harborside Financial Center in Jersey City, New Jersey for $3.8 million and a residual economic interest in the project to EQR-Lincoln North Pier L.L.C. EQR-Lincoln plans to build a 300-unit luxury residential complex on the pier. FINANCING ACTIVITIES During the quarter, the Company obtained an additional $70.0 million in proceeds from the existing mortgage lenders on Harborside Financial Center Plazas 2 and 3. The mortgage on Plazas 2 and 3, with a balance of $163.9 million at quarter end, bears interest at a weighted average fixed rate of 7.36 percent and matures in January 2006. Proceeds from the financing were used to pay down outstanding borrowings on the Company's revolving credit facility. In accordance with the Company's Share Repurchase Program, during the second quarter, the Company purchased 749,500 shares of its outstanding common stock for an aggregate cost of approximately $20.5 million. LEASING INFORMATION Mack-Cali's consolidated in-service portfolio was 96.3 percent leased at June 30, 2001, compared to 96.4 percent at March 31, 2001. For the quarter ended June 30, 2001, the Company executed 226 leases totaling 1,115,707 square feet, consisting of 855,466 square feet of office space and 260,241 square feet of office/flex space. Of these totals, 415,379 square feet were for new leases and 700,328 square feet were for lease renewals and other tenant retention transactions. Highlights of the quarter's leasing transactions include: - - Sankyo Pharma, Inc., a pharmaceutical firm and the U.S. subsidiary of Sankyo Co., Ltd., signed leases for 56,954 square feet at Two Hilton Court in the Mack-Cali Business Campus in Parsippany, New Jersey. The leases, which carry an average term of 11 years, represent a 36,435 square-foot expansion of Sankyo Pharma's current space. Two Hilton Court, a 181,592 square-foot class A office property, is currently 100 percent leased. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 11 - - Computer Sciences Corporation, a consulting and systems integration firm, leased the Company's entire 41,600 square-foot office building at 100 Decadon Drive in Egg Harbor Township, New Jersey. Computer Sciences Corporation signed a four-year lease renewal for 32,637 square feet, with a five-year expansion on 8,963 square feet. - - The State of New Jersey Department of Environmental Protection renewed its 34,810 square-foot lease for 10 years at 300 Horizon Center Drive in the Company's Horizon Center Business Park in Hamilton Township, New Jersey. 300 Horizon Center Drive, a 69,780 square-foot office/flex building, is currently 100 percent leased. - - Yardville National Bank signed a new 15-year lease for 17,435 square feet at 500 Horizon Center Drive at Horizon Center Business Park in Hamilton Township, New Jersey. 500 Horizon Center Drive, a 41,205 square-foot office/flex property, is currently 100 percent leased. - - Japan Research Institute, a majority-owned subsidiary of Sumitomo Mitsui Bank Corp., renewed its 30,683 square-foot lease for five years at Harborside Financial Center, in Jersey City, New Jersey. Harborside Financial Center, a 2.1 million square-foot class A office complex, is currently 100 percent leased. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 12 KEY FINANCIAL DATA

AS OF OR FOR THE THREE MONTHS ENDED - ---------------------------------------------------------------------------------------------------------------------- 6/30/01 3/31/01 12/31/00 9/30/00 6/30/00 - ---------------------------------------------------------------------------------------------------------------------- - ---------------------------------------------------------------------------------------------------------------------- SHARES AND UNITS: Common Shares Outstanding 56,299,124 56,961,704 56,980,893 58,698,648 58,782,808 Common Units Outstanding (a) 14,315,544 14,316,544 14,322,744 14,431,329 14,515,086 Combined Shares and Units 70,614,668 71,278,248 71,303,637 73,129,977 73,297,894 Weighted Average- Basic (b) 64,475,902 64,767,293 65,772,459 66,728,711 66,626,649 Weighted Average- Diluted (c) 71,043,756 71,353,163 72,440,367 73,353,028 73,283,803 COMMON SHARE PRICE ($'S): At the end of the period 28.4800 27.0000 28.5625 28.1875 25.6875 High during period 28.7000 28.5000 28.8750 28.6250 28.4375 Low during period 25.7900 25.4900 25.7500 25.0625 24.4375 MARKET CAPITALIZATION: ($'S IN THOUSANDS, EXCEPT RATIOS) Market Value of Equity (d) 2,011,106 1,924,513 2,038,535 2,063,276 1,882,840 Total Debt 1,720,800 1,662,184 1,628,512 1,534,327 1,487,277 Total Market Capitalization 3,731,906 3,586,697 3,667,047 3,597,603 3,370,117 Total Debt/ Total Market Capitalization 46.11% 46.34% 44.41% 42.65% 44.13% FINANCIALS: ($'S IN THOUSANDS, EXCEPT RATIOS AND PER SHARE AMOUNTS) Total Assets 3,759,919 3,681,059 3,676,977 3,646,162 3,628,104 Gross Book Value of Real Estate 3,781,334 3,711,631 3,704,354 3,673,913 3,654,866 Assets Total Liabilities 1,873,998 1,803,524 1,774,239 1,693,230 1,654,629 Total Minority Interests 448,088 444,848 449,448 453,164 455,645 Total Stockholders' Equity 1,437,833 1,432,687 1,453,290 1,499,768 1,517,830 Total Revenues 148,418 146,506 143,903 143,382 145,889 Capitalized Interest 3,965 3,350 4,042 3,293 2,335 Scheduled Principal Payments 769 756 772 685 723 Interest Coverage Ratio 3.46 3.38 3.50 3.65 3.71 Fixed Charge Coverage Ratio 2.65 2.63 2.62 2.79 2.71 Funds from Operations (e) 66,172 63,723 64,535 64,984 66,433 FFO per Share--diluted (e) 0.93 0.89 0.89 0.89 0.91 Cash Available for Distribution (f) 56,312 55,485 51,248 53,591 54,119 CAD per Share--diluted (f) 0.79 0.78 0.71 0.73 0.74 Dividends Declared per Share 0.61 0.61 0.61 0.61 0.58 FFO Payout Ratio--diluted (e) 65.49% 68.30% 68.47% 68.86% 63.98% CAD Payout Ratio--diluted (f) 76.96% 78.45% 86.23% 83.49% 78.54% PORTFOLIO SIZE: Properties 269 268 267 268 266 Total Square Footage 28,528,468 28,644,723 28,215,060 28,532,779 28,411,314 Sq. Ft. Leased at End of Period (g) 96.3% 96.4% 96.8% 96.7% 96.9% - ----------------------------------------------------------------------------------------------------------------------

(a) Includes preferred units on a converted basis into common units. (b) Calculated based on weighted average common shares outstanding, assuming redemption of operating partnership common units into common shares. (c) Calculated based on shares and units included in basic per share/unit computation, plus dilutive Common Stock Equivalents (i.e. convertible preferred units, options and warrants). (d) Includes preferred units on a converted basis into common units and minority interests in partially-owned properties. (e) Funds from Operations ("FFO") is calculated in accordance with the National Association of Real Estate Investment Trusts (NAREIT) definition, as published in October 1999, after adjustment for straight-lining of rents and non-recurring charges. (f) Cash Available for Distribution ("CAD") is defined as funds from operations, after adjustment for straight-lining of rents and non-recurring charges, minus non-incremental revenue generating tenant improvements, non-incremental revenue generating leasing commissions and recurring capital expenditures. (g) Reflects square feet leased at the Company's consolidated in-service portfolio, excluding in-service development properties in lease-up. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 13 SAME STORE RESULTS AND ANALYSIS (DOLLARS IN THOUSANDS)

============================================================================================ FOR THE THREE MONTHS ENDED JUNE 30, % 2001 2000 CHANGE CHANGE - -------------------------------------------------------------------------------------------- Property Revenues $ 133,312 $ 129,892 $ 3,420 2.6 Less: Straight-line rent adjustment (3,497) (3,213) (284) 8.8 ----------------------------------------------------------- Total Property Revenues 129,815 126,679 3,136 2.5 (excluding straight-line rent adjustment) Real Estate Taxes 14,075 13,953 122 0.9 Utilities 9,887 9,385 502 5.3 Operating Services 15,321 15,364 (43) (0.3) ----------------------------------------------------------- Total Property Expenses: 39,283 38,702 581 1.5 Net Operating Income $ 90,532 $ 87,977 $ 2,555 2.9 =========================================================== Percentage Leased at Period End 96.4% 97.0% ================================= Total Properties: 246 Total Square Footage: 25,357,929 ============================================================================================

============================================================================================ FOR THE SIX MONTHS JUNE 30, % 2001 2000 CHANGE CHANGE - -------------------------------------------------------------------------------------------- Property Revenues $ 265,833 $ 257,258 $ 8,575 3.3 Less: Straight-line rent adjustment (6,736) (5,444) (1,292) 23.7 ----------------------------------------------------------- Total Property Revenues 259,097 251,814 7,283 2.9 (excluding straight-line rent adjustment) Real Estate Taxes 28,106 27,699 407 1.5 Utilities 20,618 19,223 1,395 7.3 Operating Services 31,288 30,959 329 1.1 ----------------------------------------------------------- Total Property Expenses: 80,012 77,881 2,131 2.7 Net Operating Income $ 179,085 $ 173,933 $ 5,152 3.0 =========================================================== Percentage Leased at Period End 96.5% 97.0% ================================= Total Properties: 245 Total Square Footage: 25,297,129 ============================================================================================

================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 14 UNCONSOLIDATED JOINT VENTURES SUMMARY (DOLLARS IN THOUSANDS) BREAKDOWN OF UNCONSOLIDATED JOINT VENTURES

=============================================================================================================================== COMPANY'S NUMBER OF PERCENT SQUARE EFFECTIVE JOINT VENTURE NAME PROPERTY BUILDINGS LOCATION LEASED FEET OWNERSHIP % - ------------------------------------------------------------------------------------------------------------------------------- OFFICE PROPERTIES: - ----------------- Pru-Beta 3 Nine Campus Drive 1 Parsippany, NJ 94.5% 156,495 50.0% HPMC Lava Ridge 3 Roseville, CA 95.6% 183,200 50.0% HPMC (a) Stadium Gateway 1 Anaheim, CA 32.0% 261,554 32.5% G&G Martco Convention Plaza 1 San Francisco, CA 100.0% 305,618 50.0% Ashford Loop Associates, LP 1001 South Dairy Ashford 1 Houston, TX 98.8% 130,000 20.0% Ashford Loop Associates, LP 2100 West Loop South 1 Houston, TX 79.3% 168,000 20.0% OFFICE/FLEX PROPERTIES: - ---------------------- Ramland Realty Associates, L.L.C. One Ramland Road 1 Orangeburg, NY 80.6% 232,000 50.0% MULTI-USE: - --------- HPMC (a) Pacific Plaza 2 Daly City, CA 60.6% 471,379 32.5% American Financial Exchange L.L.C. Parking Lot (b) -- Jersey City, NJ n/a n/a 50.0% ===============================================================================================================================

(a) Property was being developed and not in service as of June 30, 2001. (b) The joint venture has commenced construction of a 575,000 square-foot office building on a portion of this land. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 15 JOINT VENTURE FINANCIAL INFORMATION The following is a summary of the financial position of the unconsolidated joint ventures in which the Company had investment interests as of June 30, 2001 and December 31, 2000:

JUNE 30, 2001 ------------------------------------------------------------------------------------------ AMERICAN G&G FINANCIAL RAMLAND ASHFORD PRU-BETA 3 HPMC MARTCO EXCHANGE REALTY LOOP ARCAP - ----------------------------------------------------------------------------------------------------------------------------------- ASSETS: Rental property, net $20,330 $92,224 $10,027 $42,446 $18,491 $37,637 $ -- Other assets 2,540 33,240 3,098 694 4,686 560 482,329 - ----------------------------------------------------------------------------------------------------------------------------------- Total assets $22,870 $125,464 $13,125 $43,140 $23,177 $38,197 $482,329 =================================================================================================================================== LIABILITIES AND PARTNERS'/MEMBERS' CAPITAL: Mortgages and loans payable $ -- $67,782 $50,000 $ -- $16,319 $ -- $266,030 Other liabilities 101 3,124 1,642 10,980 130 538 5,111 Partners'/members' capital 22,769 54,558 (38,517) 32,160 6,728 37,659 211,188 - ----------------------------------------------------------------------------------------------------------------------------------- Total liabilities and partners'/members' capital $22,870 $125,464 $13,125 $43,140 $23,177 $38,197 $482,329 =================================================================================================================================== Company's net investment in unconsolidated joint ventures $15,747 $37,647 $3,549 $33,405 $2,936 $7,880 $19,745 - -----------------------------------------------------------------------------------------------------------------------------------

-------------------------------------------- MC-SJP HARBORSIDE COMBINED MORRIS REALTY SOUTH PIER TOTAL - ------------------------------------------------------------------------------------ ASSETS: Rental property, net $17,271 $33,441 $271,867 Other assets 96 -- 527,243 - ------------------------------------------------------------------------------------ Total assets $17,367 $33,441 $799,110 ==================================================================================== LIABILITIES AND PARTNERS'/MEMBERS' CAPITAL: Mortgages and loans payable $16,028 $10,000 $426,159 Other liabilities -- 4,425 26,051 Partners'/members' capital 1,339 19,016 346,900 - ------------------------------------------------------------------------------------ Total liabilities and partners'/members' capital $17,367 $33,441 $799,110 ==================================================================================== Company's net investment in unconsolidated joint ventures $176 $9,859 $130,944 - ------------------------------------------------------------------------------------

DECEMBER 31, 2000 ------------------------------------------------------------------------------------------ AMERICAN G&G FINANCIAL RAMLAND ASHFORD PRU-BETA 3 HPMC MARTCO EXCHANGE REALTY LOOP ARCAP - ----------------------------------------------------------------------------------------------------------------------------------- ASSETS: Rental property, net $20,810 $78,119 $10,589 $12,546 $18,947 $37,665 $ -- Other assets 2,737 27,082 2,508 11,851 4,755 849 310,342 - ----------------------------------------------------------------------------------------------------------------------------------- Total assets $23,547 $105,201 $13,097 $24,397 $23,702 $38,514 $310,342 =================================================================================================================================== LIABILITIES AND PARTNERS'/MEMBERS' CAPITAL: Mortgages and loans payable $ -- $63,486 $50,000 $ -- $16,666 $ -- $129,562 Other liabilities 160 5,035 1,368 9,400 522 1,005 3,750 Partners'/members' capital 23,387 36,680 (38,271) 14,997 6,514 37,509 177,030 - ----------------------------------------------------------------------------------------------------------------------------------- Total liabilities and partners'/members' capital $23,547 $105,201 $13,097 $24,397 $23,702 $38,514 $310,342 =================================================================================================================================== Company's net investment in unconsolidated joint ventures $16,110 $35,079 $3,973 $15,809 $2,782 $7,874 $19,811 - -----------------------------------------------------------------------------------------------------------------------------------

-------------------------------------------- MC-SJP HARBORSIDE COMBINED MORRIS REALTY SOUTH PIER TOTAL - ------------------------------------------------------------------------------------- ASSETS: Rental property, net -- -- $178,676 Other assets -- -- 360,124 - ------------------------------------------------------------------------------------- Total assets -- -- $538,800 ===================================================================================== LIABILITIES AND PARTNERS'/MEMBERS' CAPITAL: Mortgages and loans payable -- -- $259,714 Other liabilities -- -- 21,240 Partners'/members' capital -- -- 257,846 - ------------------------------------------------------------------------------------- Total liabilities and partners'/members' capital -- -- $538,800 ===================================================================================== Company's net investment in unconsolidated joint ventures -- -- $101,438 - -------------------------------------------------------------------------------------

================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 16 The following is a summary of the results of operations of the unconsolidated joint ventures for the period in which the Company had investment interests during the three and six month periods ended June 30, 2001 and 2000:

THREE MONTHS ENDED JUNE 30, 2001 --------------------------------------------------------------------------------------------- AMERICAN G&G FINANCIAL RAMLAND ASHFORD PRU-BETA 3 HPMC MARTCO EXCHANGE REALTY LOOP ARCAP - ----------------------------------------------------------------------------------------------------------------------------------- Total revenues $1,235 $13,936 $3,084 $158 $989 $1,491 $8,504 Operating and other expenses (369) (774) (845) (7) (264) (699) (2,179) Depreciation and amortization (299) (592) (387) (5) (236) (232) -- Interest expense -- (929) (808) -- (299) -- (4,903) - ----------------------------------------------------------------------------------------------------------------------------------- Net income $567 $11,641 $1,044 $146 $190 $560 $1,422 =================================================================================================================================== Company's equity in earnings of unconsolidated joint ventures $245 $1,311 $366 $(617) $95 $112 $525 - -----------------------------------------------------------------------------------------------------------------------------------

-------------------------------------------- MC-SJP HARBORSIDE COMBINED MORRIS REALTY SOUTH PIER TOTAL - ---------------------------------------------------------------------------------- Total revenues -- -- $29,397 Operating and other expenses -- -- (5,137) Depreciation and amortization -- -- (1,751) Interest expense -- -- (6,939) - ---------------------------------------------------------------------------------- Net income -- -- $15,570 ================================================================================== Company's equity in earnings of unconsolidated joint ventures -- -- $2,037 - ----------------------------------------------------------------------------------

THREE MONTHS ENDED JUNE 30, 2000 --------------------------------------------------------------------------------------------- AMERICAN G&G FINANCIAL RAMLAND ASHFORD PRU-BETA 3 HPMC MARTCO EXCHANGE REALTY LOOP ARCAP - ----------------------------------------------------------------------------------------------------------------------------------- Total revenues $1,234 $2,504 $2,569 $254 $969 $1,469 $4,606 Operating and other expenses (401) (813) (793) (51) (273) (641) (721) Depreciation and amortization (305) (1,065) (336) (7) (241) (210) -- Interest expense -- (793) (1,039) -- (377) -- (932) - ----------------------------------------------------------------------------------------------------------------------------------- Net income $528 $(167) $401 $196 $78 $618 $2,953 =================================================================================================================================== Company's equity in earnings of unconsolidated joint ventures $225 $102 $43 $139 $37 $124 $400 - -----------------------------------------------------------------------------------------------------------------------------------

------------------------------------------ MC-SJP HARBORSIDE COMBINED MORRIS REALTY SOUTH PIER TOTAL - ---------------------------------------------------------------------------------- Total revenues -- -- $13,605 Operating and other expenses -- -- (3,693) Depreciation and amortization -- -- (2,164) Interest expense -- -- (3,141) - ---------------------------------------------------------------------------------- Net income -- -- $4,607 ================================================================================== Company's equity in earnings of unconsolidated joint ventures -- -- $1,070 - ----------------------------------------------------------------------------------

================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 17

SIX MONTHS ENDED JUNE 30, 2001 ---------------------------------------------------------------------------------------------- AMERICAN G&G FINANCIAL RAMLAND ASHFORD PRU-BETA 3 HPMC MARTCO EXCHANGE REALTY LOOP ARCAP - ------------------------------------------------------------------------------------------------------------------------------------ Total revenues $2,488 $14,992 $5,807 $379 $1,958 $3,064 $27,830 Operating and other expenses (782) (948) (1,650) (41) (607) (1,416) (4,003) Depreciation and amortization (592) (933) (777) (20) (483) (462) -- Interest expense -- (1,256) (1,793) -- (654) -- (7,890) - ------------------------------------------------------------------------------------------------------------------------------------ Net income $1,114 $11,855 $1,587 $318 $214 $1,186 $15,937 ==================================================================================================================================== Company's equity in earnings of unconsolidated joint ventures $503 $3,464 $536 $(445) $154 $209 $1,025 - ------------------------------------------------------------------------------------------------------------------------------------

------------------------------------------- MC-SJP HARBORSIDE COMBINED MORRIS REALTY SOUTH PIER TOTAL - --------------------------------------------------------------------------------- Total revenues -- -- $56,518 Operating and other expenses -- -- (9,447) Depreciation and amortization -- -- (3,267) Interest expense -- -- (11,593) - --------------------------------------------------------------------------------- Net income -- -- $32,211 ================================================================================= Company's equity in earnings of unconsolidated joint ventures -- -- $5,446 - ---------------------------------------------------------------------------------

SIX MONTHS ENDED JUNE 30, 2000 --------------------------------------------------------------------------------------------- AMERICAN G&G FINANCIAL RAMLAND ASHFORD PRU-BETA 3 HPMC MARTCO EXCHANGE REALTY LOOP ARCAP - ----------------------------------------------------------------------------------------------------------------------------------- Total revenues $2,468 $3,560 $5,281 $504 $1,947 $2,832 $11,150 Operating and other expenses (819) (987) (1,553) (82) (590) (1,271) (1,292) Depreciation and amortization (611) (1,406) (762) (20) (482) (403) -- Interest expense -- (1,120) (1,914) -- (746) -- (1,701) - ----------------------------------------------------------------------------------------------------------------------------------- Net income $1,038 $47 $1,052 $402 $129 $1,158 $8,157 =================================================================================================================================== Company's equity in earnings of unconsolidated joint ventures $441 $102 $212 $345 $62 $245 $800 - -----------------------------------------------------------------------------------------------------------------------------------

------------------------------------------- MC-SJP HARBORSIDE COMBINED MORRIS REALTY SOUTH PIER TOTAL - --------------------------------------------------------------------------------- Total revenues -- -- $27,742 Operating and other expenses -- -- (6,594) Depreciation and amortization -- -- (3,684) Interest expense -- -- (5,481) - --------------------------------------------------------------------------------- Net income -- -- $11,983 ================================================================================= Company's equity in earnings of unconsolidated joint ventures -- -- $2,207 - ---------------------------------------------------------------------------------

================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 18 SELECT FINANCIAL RATIOS -----------------------

- --------------------------------------------------------------------------------------------------------------------- RATIOS COMPUTED FOR INDUSTRY JUNE 30, COMPARISONS: 2001 2000 - --------------------------------------------------------------------------------------------------------------------- FINANCIAL POSITION RATIOS: - ------------------------- Total Debt/ Total Book Capitalization (BOOK VALUE) (%) 45.77% 40.99% Total Debt/ Total Market Capitalization (MARKET VALUE) (%) 46.11% 44.13% Total Debt/ Total Undepreciated Assets (%) 42.24% 38.15% Secured Debt/ Total Undepreciated Assets (%) 13.44% 12.53% - ---------------------------------------------------------------------------------------------------------------------

===================================================================================================================== THREE MONTHS ENDED SIX MONTHS ENDED JUNE 30, JUNE 30, 2001 2000 2001 2000 - --------------------------------------------------------------------------------------------------------------------- OPERATIONAL RATIOS: - ------------------ Interest Coverage 3.46 3.71 3.42 3.69 (FUNDS FROM OPERATIONS+INTEREST EXPENSE)/INTEREST EXPENSE (X) Debt Service Coverage 3.37 3.62 3.33 3.58 (FUNDS FROM OPERATIONS + INTEREST EXPENSE)/(INTEREST EXPENSE + PRINCIPAL AMORT.) (X) Fixed Charge Coverage 2.65 2.71 2.64 2.73 (FUNDS FROM OPERATIONS + INTEREST EXPENSE)/(INTEREST EXPENSE + CAPITALIZED INTEREST+PREF. DIV. +PRIN. AMORT.+GROUND LEASE PAYMENTS)(X) FFO Payout 65.49% 63.98% 66.87% 64.09% (DIVIDENDS DECLARED/FUNDS FROM OPERATIONS (%)) CAD Payout 76.96% 78.54% 77.70% 77.60% (DIVIDENDS DECLARED/ CASH AVAILABLE FOR DISTRIBUTION (%)) =====================================================================================================================

================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 19 DEBT ANALYSIS ------------- (AS OF JUNE 30, 2001) DEBT BREAKDOWN (DOLLARS IN THOUSANDS)

================================================================================================================================== WEIGHTED AVERAGE WEIGHTED AVERAGE BALANCE % OF TOTAL INTEREST RATE MATURITY IN YEARS - ---------------------------------------------------------------------------------------------------------------------------------- Fixed Rate Secured Debt $515,523 29.96% 7.22% 4.16 Fixed Rate Unsecured Notes 1,096,599 63.73% 7.51% 6.00 Variable Rate Secured Debt 32,178 1.87% 5.61% 7.58 Variable Rate Unsecured Debt 76,500 4.44% 4.84% 1.98 - ---------------------------------------------------------------------------------------------------------------------------------- TOTALS/WEIGHTED AVERAGE: $1,720,800 100.00% 7.27% 5.30 ==================================================================================================================================

FUTURE REPAYMENTS (DOLLARS IN THOUSANDS)

=================================================================================================================================== SCHEDULED WEIGHTED AVERAGE INTEREST RATE PERIOD AMORTIZATION MATURITIES TOTAL OF FUTURE REPAYMENTS (a) - ----------------------------------------------------------------------------------------------------------------------------------- July through December 2001 $1,554 $2,096 $3,650 9.08% 2002 3,260 0 3,260 10.25% 2003 3,407 268,594 272,001 6.61% 2004 2,247 309,863 312,110 7.34% 2005 1,420 253,178 254,598 7.14% 2006 (186) 220,000 219,814 7.05% 2007 (350) 9,364 9,014 7.02% 2008 (408) 0 (408) 7.67% 2009 (222) 332,178 331,956 7.30% 2010 (173) 15,000 14,827 7.95% 2011 (22) 300,000 299,978 7.92% - ----------------------------------------------------------------------------------------------------------------------------------- TOTALS/WEIGHTED AVERAGE: $10,527 $1,710,273 $1,720,800 7.27% ===================================================================================================================================

(a) Assumes weighted average LIBOR at June 30, 2001 of 4.039 percent in calculating revolving credit facility and other variable rate debt interest rates. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 20 DEBT MATURITIES (DOLLARS IN THOUSANDS)

=================================================================================================================================== 2001 2002 2003 2004 2005 2006 2007 2008 - ----------------------------------------------------------------------------------------------------------------------------------- SECURED DEBT: Mack-Cali Morris Plains $2,096 Mack-Cali Willowbrook $6,811 400 Chestnut Ridge $9,863 Mack-Cali Centre VI $35,000 Prudential Portfolio 150,000 Mack-Cali 23,000 Bridgewater I Mack-Cali 17,500 Woodbridge II Mack-Cali Short Hills 22,089 500 West Putnam Ave 5,589 Harborside Financial Center- Plaza 1 $75,358 Harborside Financial Center- Plazas 2 & 3 144,642 Mack-Cali Airport $9,364 Kemble Plaza I - ----------------------------------------------------------------------------------------------------------------------------------- TOTAL SECURED DEBT: $2,096 -- $6,811 $9,863 $253,178 $220,000 $9,364 -- =================================================================================================================================== UNSECURED DEBT: Unsecured credit $76,500 facility 7.180 % unsecured notes due 12/03 185,283 7.000 % unsecured notes due 3/04 $300,000 7.250 % unsecured notes due 3/09 7.835 % unsecured notes due 12/10 7.750 % unsecured notes due 2/11 - ----------------------------------------------------------------------------------------------------------------------------------- TOTAL UNSECURED DEBT: -- -- $261,783 $300,000 -- -- -- -- =================================================================================================================================== =================================================================================================================================== TOTAL DEBT: $2,096 -- $268,594 $309,863 $253,178 $220,000 $9,364 -- ===================================================================================================================================

=========================================================================== 2009 2010 2011 TOTALS - --------------------------------------------------------------------------- SECURED DEBT: - ------------ Mack-Cali Morris Plains $2,096 Mack-Cali Willowbrook 6,811 400 Chestnut Ridge 9,863 Mack-Cali Centre VI 35,000 Prudential Portfolio 150,000 Mack-Cali 23,000 Bridgewater I Mack-Cali 17,500 Woodbridge II Mack-Cali Short Hills 22,089 500 West Putnam Ave 5,589 Harborside Financial Center- Plaza 1 75,358 Harborside Financial Center- Plazas 2 & 3 144,642 Mack-Cali Airport 9,364 Kemble Plaza I $32,178 32,178 - --------------------------------------------------------------------------- TOTAL SECURED DEBT: $32,178 -- -- $533,490 =========================================================================== UNSECURED DEBT: - -------------- Unsecured credit facility $76,500 7.180%unsecured notes due 12/03 185,283 7.000%unsecured notes due 3/04 300,000 7.250%unsecured notes due 3/09 $300,000 300,000 7.835%unsecured notes due 12/10 $15,000 15,000 7.750%unsecured notes due 2/11 $300,000 300,000 - --------------------------------------------------------------------------- TOTAL UNSECURED DEBT: $300,000 $15,000 $300,000 $1,176,783 =========================================================================== =========================================================================== TOTAL DEBT: $332,178 $15,000 $300,000 $1,710,273 ===========================================================================

================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 21 DEBT DETAIL (DOLLARS IN THOUSANDS)

PRINCIPAL BALANCE AT EFFECTIVE -------------------- INTEREST JUNE 30, DECEMBER 31, DATE OF PROPERTY NAME LENDER RATE 2001 2000 MATURITY - ----------------------------------------------------------------------------------------------------------------------------------- SENIOR UNSECURED NOTES: (a) - ---------------------- 7.180% Senior Unsecured Notes public debt 7.230% $ 185,283 $ 185,283 12/31/03 7.000% Senior Unsecured Notes public debt 7.270% 299,784 299,744 03/15/04 7.250% Senior Unsecured Notes public debt 7.490% 298,189 298,072 03/15/09 7.835% Senior Unsecured Notes public debt 7.950% 15,000 15,000 12/15/10 7.750% Senior Unsecured Notes public debt 7.925% 298,343 -- 02/15/11 - ----------------------------------------------------------------------------------------------------------------------------------- TOTAL SENIOR UNSECURED NOTES: $1,096,599 $ 798,099 - ----------------------------------------------------------------------------------------------------------------------------------- REVOLVING CREDIT FACILITIES: - --------------------------- 2000 Unsecured Facility (b) 24 Lenders LIBOR+ 80 basis points $ 76,500 $ 348,840 06/22/03 Prudential Facility (c) Prudential Securities LIBOR+110 BASIS POINTS -- -- 06/29/01 - ----------------------------------------------------------------------------------------------------------------------------------- TOTAL REVOLVING CREDIT FACILITIES: $ 76,500 $ 348,840 - ----------------------------------------------------------------------------------------------------------------------------------- PROPERTY MORTGAGES: - ----------------- 101 & 225 Executive Drive Sun Life Assurance Co. 6.270% $ -- $ 2,198 06/01/01 Mack-Cali Morris Plains Corestates Bank 7.510% 2,133 2,169 12/31/01 Mack-Cali Willowbrook CIGNA 8.670% 9,038 9,460 10/01/03 400 Chestnut Ridge Prudential Insurance Co. 9.440% 13,128 13,588 07/01/04 Mack-Cali Centre VI Principal Life Insurance Co. 6.865% 35,000 35,000 04/01/05 Various (d) Prudential Insurance Co. 7.100% 150,000 150,000 05/15/05 Mack-Cali Bridgewater I New York Life Ins. Co. 7.000% 23,000 23,000 09/10/05 Mack-Cali Woodbridge II New York Life Ins. Co. 7.500% 17,500 17,500 09/10/05 Mack-Cali Short Hills Prudential Insurance Co. 7.740% 25,571 25,911 10/01/05 500 West Putnam Avenue New York Life Ins. Co. 6.520% 9,679 10,069 10/10/05 Harborside - Plaza 1 U.S. West Pension Trust 5.610% 56,141 54,370 01/01/06 Harborside - Plazas 2 and 3 Northwestern/Principal 7.363% 163,859 95,630 01/01/06 Mack-Cali Airport Allstate Life Insurance Co. 7.050% 10,474 10,500 04/01/07 Kemble Plaza I Mitsubishi Tr & Bk Co. LIBOR+0.650% 32,178 32,178 01/31/09 - ----------------------------------------------------------------------------------------------------------------------------------- TOTAL PROPERTY MORTGAGES: $ 547,701 $ 481,573 - ----------------------------------------------------------------------------------------------------------------------------------- TOTAL DEBT: $1,720,800 $1,628,512 ===================================================================================================================================

(a) Interest rate for unsecured notes reflects effective rate of debt, including cost of terminated treasury lock agreements (if any), offering and other transaction costs and the discount on the notes, as applicable. (b) Total borrowing capacity under this facility is $800.0 million. (c) Total borrowing capacity under this facility was $100.0 million. The Company repaid in full and terminated this facility on June 29, 2001. (d) The Company has the option to convert the mortgage loan, which is secured by 12 properties, to unsecured debt. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 22 III. FINANCIAL STATEMENTS ------------------------- ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 23 III. FINANCIAL STATEMENTS ------------------------- MACK-CALI REALTY CORPORATION AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF OPERATIONS ------------------------------------- (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS) ================================================================================

THREE MONTHS ENDED SIX MONTHS ENDED JUNE 30, JUNE 30, REVENUES 2001 2000 2001 2000 - ---------------------------------------------------------- ----------------- ------------------ ---------------- ------------------ Base rents $129,419 $122,072 $254,795 $243,670 Escalations and recoveries from tenants 13,430 14,627 28,192 31,295 Parking and other 3,060 6,128 5,406 9,450 Equity in earnings of unconsolidated joint ventures 2,037 1,070 5,446 2,207 Interest income 472 1,992 1,085 2,246 - ---------------------------------------------------------- ----------------- ------------------ ---------------- ------------------ Total revenues 148,418 145,889 294,924 288,868 - ---------------------------------------------------------- ----------------- ------------------ ---------------- ------------------ EXPENSES - ---------------------------------------------------------- ----------------- ------------------ ---------------- ------------------ Real estate taxes 15,510 14,733 30,797 29,437 Utilities 10,699 10,014 22,655 20,393 Operating services 17,686 16,822 35,565 34,564 General and administrative 6,856 5,159 12,866 11,272 Depreciation and amortization 21,951 22,945 45,435 45,127 Interest expense 28,555 26,835 56,920 53,261 - ---------------------------------------------------------- ----------------- ------------------ ---------------- ------------------ Total expenses 101,257 96,508 204,238 194,054 - ---------------------------------------------------------- ----------------- ------------------ ---------------- ------------------ Income from operations before minority interests 47,161 49,381 90,686 94,814 Minority interest in partially-owned properties -- (2,982) -- (5,072) - ---------------------------------------------------------- ----------------- ------------------ ---------------- ------------------ Income from operations before minority interest in 47,161 46,399 90,686 89,742 Operating Partnership Minority interest in Operating Partnership (a) (9,220) (8,936) (17,971) (17,637) - ---------------------------------------------------------- ----------------- ------------------ ---------------- ------------------ Income from operations 37,941 37,463 72,715 72,105 Non-recurring charges (b) -- (8,109) -- (8,109) Realized gains and unrealized losses on disposition of rental property (c) 19,732 64,954 1,696 66,927 - ---------------------------------------------------------- ----------------- ------------------ ---------------- ------------------ Net income $ 57,673 $ 94,308 $ 74,411 $130,923 ========================================================== ================= ================== ================ ================== PER SHARE DATA: Income from operations-basic $ 0.67 $ 0.64 $ 1.28 $ 1.23 Net income-basic $ 1.02 $ 1.61 $ 1.31 $ 2.24 - ---------------------------------------------------------- ----------------- ------------------ ---------------- ------------------ Income from operations-diluted $ 0.66 $ 0.63 $ 1.27 $ 1.23 Net income-diluted $ 0.98 $ 1.52 $ 1.30 $ 2.14 - ---------------------------------------------------------- ----------------- ------------------ ---------------- ------------------ Dividends declared per common share $ 0.61 $ 0.58 $ 1.22 $ 1.16 - ---------------------------------------------------------- ----------------- ------------------ ---------------- ------------------ Basic weighted average shares outstanding 56,519 58,545 56,662 58,420 Diluted weighted average shares outstanding 71,044 73,284 71,198 73,237 - ---------------------------------------------------------- ----------------- ------------------ ---------------- ------------------

(a) Excludes effect of minority interest's share of non-recurring charges and realized gains and unrealized losses on disposition of rental property. (b) Net of minority interest's share of $1,119 for both the three and six months ended June 30, 2000. (c) Net of minority interest's share of $2,778 and $8,967 for the three months ended June 30, 2001 and 2000, respectively, and $251 and $9,242 for the six months ended June 30, 2001 and 2000, respectively. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 24 MACK-CALI REALTY CORPORATION AND SUBSIDIARIES CONSOLIDATED BALANCE SHEETS --------------------------- (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS) ================================================================================

JUNE 30, DECEMBER 31, ASSETS 2001 2000 - -------------------------------------------------------------------------------- ------------------ ------------------ Rental property Land and leasehold interests $ 488,288 $ 542,841 Buildings and improvements 2,679,435 2,934,383 Tenant improvements 120,707 106,208 Furniture, fixtures and equipment 7,046 6,445 - -------------------------------------------------------------------------------- ------------------ ------------------ 3,295,476 3,589,877 Less - accumulated depreciation and amortization (314,239) (302,932) - -------------------------------------------------------------------------------- ------------------ ------------------ 2,981,237 3,286,945 Rental property held for sale, net 450,932 107,458 - -------------------------------------------------------------------------------- ------------------ ------------------ Net investment in rental property 3,432,169 3,394,403 Cash and cash equivalents 22,738 13,179 Investments in unconsolidated joint ventures 130,944 101,438 Unbilled rents receivable, net 58,118 50,499 Deferred charges and other assets, net 100,337 102,655 Restricted cash 7,492 6,557 Accounts receivable, net of allowance for doubtful accounts of $693 and $552 8,121 8,246 - -------------------------------------------------------------------------------- ------------------ ------------------ TOTAL ASSETS $3,759,919 $3,676,977 ================================================================================ ================== ================== LIABILITIES AND STOCKHOLDERS' EQUITY - -------------------------------------------------------------------------------- ------------------ ------------------ Senior unsecured notes $1,096,599 $798,099 Revolving credit facilities 76,500 348,840 Mortgages and loans payable 547,701 481,573 Dividends and distributions payable 43,080 43,496 Accounts payable and accrued expenses 51,712 53,608 Rents received in advance and security deposits 31,592 31,146 Accrued interest payable 26,814 17,477 - -------------------------------------------------------------------------------- ------------------ ------------------ Total liabilities 1,873,998 1,774,239 - -------------------------------------------------------------------------------- ------------------ ------------------ MINORITY INTERESTS: Operating Partnership 448,088 447,523 Partially-owned properties -- 1,925 - -------------------------------------------------------------------------------- ------------------ ------------------ Total minority interests 448,088 449,448 - -------------------------------------------------------------------------------- ------------------ ------------------ Commitments and contingencies STOCKHOLDERS' EQUITY: Preferred stock, 5,000,000 shares authorized, none issued -- -- Common stock, $0.01 par value, 190,000,000 shares authorized, 56,299,124 and 56,980,893 shares outstanding 563 570 Additional paid-in capital 1,494,124 1,513,037 Dividends in excess of net earnings (51,837) (57,149) Unamortized stock compensation (5,017) (3,168) - -------------------------------------------------------------------------------- ------------------ ------------------ Total stockholders' equity 1,437,833 1,453,290 - -------------------------------------------------------------------------------- ------------------ ------------------ TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY $3,759,919 $3,676,977 ================================================================================ ================== ==================

================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 25 MACK-CALI REALTY CORPORATION AND SUBSIDIARIES CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY --------------------------------------------------------- (IN THOUSANDS) ================================================================================

ADDITIONAL DIVIDENDS IN UNAMORTIZED TOTAL COMMON STOCK PAID-IN EXCESS OF STOCK STOCKHOLDERS' SHARES PAR VALUE CAPITAL NET EARNINGS COMPENSATION EQUITY - ------------------------------------------------- --------- ----------- ------------ --------------- --------------- --------------- Balance at January 1, 2001 56,981 $570 $1,513,037 $(57,149) $(3,168) $1,453,290 Net income -- -- -- 74,411 -- 74,411 Dividends -- -- -- (69,099) -- (69,099) Redemption of common units for shares of common stock 7 -- 192 -- -- 192 Proceeds from stock options exercised 106 1 2,388 -- -- 2,389 Deferred compensation plan for directors -- -- 76 -- -- 76 Issuance of Restricted Stock Awards 94 1 2,526 -- (2,527) -- Amortization of stock compensation -- -- -- -- 630 630 Adjustment to fair value of restricted stock -- -- 152 -- (152) -- Cancellation of Restricted Stock Awards (7) -- (200) -- 200 -- Repurchase of common stock (882) (9) (24,047) -- -- (24,056) - ------------------------------------------------- --------- ----------- ------------ --------------- --------------- --------------- BALANCE AT JUNE 30, 2001 56,299 $563 $1,494,124 $(51,837) $(5,017) $1,437,833 ================================================= ========= =========== ============ =============== =============== ===============

================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 26 STATEMENTS OF FUNDS FROM OPERATIONS AND CASH AVAILABLE FOR DISTRIBUTION (IN THOUSANDS, EXCEPT PER SHARE/UNIT AMOUNTS)

THREE MONTHS ENDED SIX MONTHS ENDED JUNE 30, JUNE 30, - ------------------------------------------------------ --------- ------------ ------------ ------------- ------------ 2001 2000 2001 2000 - ------------------------------------------------------ --------- ------------ ------------ ------------- ------------ Income from operations before minority interest in Operating Partnership $47,161 $46,399 $90,686 $89,742 Add: Real estate depreciation and amortization (a) 23,068 23,434 47,071 46,152 Gain on sale of land -- -- -- 2,248 Deduct: Adj. to rental income for straight-lining of rents (b) (4,057) (3,400) (7,862) (5,590) - ------------------------------------------------------ --------- ------------ ------------ ------------- ------------ Funds from operations (c), after adjustment for straight-lining of rents and non-recurring charges $66,172 $66,433 $129,895 $132,552 - ------------------------------------------------------ --------- ------------ ------------ ------------- ------------ Deduct: Non-incremental revenue generating capital expenditures: Capital expenditures (1,461) (1,763) (2,374) (2,610) Tenant improvements and leasing commissions (8,399) (10,551) (15,724) (20,460) - ------------------------------------------------------ --------- ------------ ------------ ------------- ------------ Cash available for distribution $56,312 $54,119 $111,797 $109,482 ====================================================== ========= ============ ============ ============= ============ Basic weighted average shares/units outstanding (d) 64,476 66,627 64,621 66,527 Diluted weighted average shares/units outstanding (e) 71,044 73,284 71,198 73,237 PER SHARE/UNIT - BASIC(f): Funds from operations $0.97 $0.94 $1.89 $1.88 Cash available for distribution $0.81 $0.76 $1.61 $1.53 PER SHARE/UNIT - DILUTED: Funds from operations $0.93 $0.91 $1.82 $1.81 Cash available for distribution $0.79 $0.74 $1.57 $1.49 Dividend per common share $0.61 $0.58 $1.22 $1.16 DIVIDEND PAYOUT RATIOS: Funds from operations-diluted 65.49% 63.98% 66.87% 64.09% Cash available for distribution-diluted 76.96% 78.54% 77.70% 77.60% - ------------------------------------------------------ --------- ------------ ------------ ------------- ------------

(a) Includes the Company's share from unconsolidated joint ventures of $1,321 and $686 for the three months ended June 30, 2001 and 2000, respectively, and $2,043 and $1,420 for the six months ended June 30, 2001 and 2000, respectively. (b) Includes the Company's share from unconsolidated joint ventures of $90 and $(3) for the three months ended June 30, 2001 and 2000, respectively, and $126 and $54 for the six months ended June 30, 2001 and 2000, respectively. (c) Funds from operations for both periods are calculated in accordance with the National Association of Real Estate Investment Trusts (NAREIT) definition, as published in October 1999. (d) Calculated based on weighted average common shares outstanding, assuming redemption of operating partnership common units into common shares. (e) Calculated based on shares and units included in basic per share/unit computation, plus dilutive Common Stock Equivalents (i.e. convertible preferred units, options and warrants). (f) Amounts calculated after deduction for distributions to preferred unitholders of $3,879 and $3,765 for the three months ended June 30, 2001 and 2000, respectively, and $7,758 and $7,634 for the six months ended June 30, 2001 and 2000, respectively. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 27 RECONCILIATION OF BASIC-TO-DILUTED SHARES/UNITS (IN THOUSANDS) The following schedule reconciles the Company's basic weighted average shares to basic and diluted weighted average shares/units: - --------------------------------------------------------------------------------

THREE MONTHS ENDED SIX MONTHS ENDED JUNE 30, JUNE 30, 2001 2000 2001 2000 - ------------------------------------------------------------------------------------------------------------------------------------ Basic weighted average shares: 56,519 58,545 56,662 58,420 Add: Weighted average common units 7,957 8,082 7,959 8,107 - ------------------------------------------------------------------------------------------------------------------------------------ Basic weighted average shares/units: 64,476 66,627 64,621 66,527 Add: Weighted average preferred units (after conversion to common units) 6,359 6,457 6,359 6,537 Stock options 209 200 218 173 - ---------------------------------------------------------------- ----------------- ---------------- ----------------- -------------- Diluted weighted average shares/units: 71,044 73,284 71,198 73,237 ================================================================ ================= ================ ================= ==============

================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 28 IV. VALUE CREATION PIPELINE ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 29 IV. VALUE CREATION PIPELINE OPERATING PROPERTY ACQUISITIONS (DOLLARS IN THOUSANDS) FOR THE SIX MONTHS ENDED JUNE 30, 2001

- ---------------------------------------------------------------------------------------------------------------------------------- ACQUISITION # OF RENTABLE INVESTMENT BY DATE PROPERTY/PORTFOLIO NAME LOCATION BLDGS. SQUARE FEET COMPANY (d) - ---------------------------------------------------------------------------------------------------------------------------------- OFFICE 04/06/01 4 & 6 Campus Drive Parsippany, Morris County, NJ 2 295,766 $48,404 - ---------------------------------------------------------------------------------------------------------------------------------- TOTAL OFFICE PROPERTY ACQUISITIONS: 2 295,766 $48,404 - ---------------------------------------------------------------------------------------------------------------------------------- OFFICE/FLEX 02/14/01 31 & 41 Twosome Drive (a)(b) Moorestown, Burlington County, NJ 2 127,250 $ 7,155 04/27/01 1245 & 1247 N. Church Street, 2 Twosome Drive (a)(b) Moorestown, Burlington County, NJ 3 154,200 11,083 - ---------------------------------------------------------------------------------------------------------------------------------- TOTAL OFFICE/FLEX PROPERTY ACQUISITIONS: 5 281,450 $18,238 - ---------------------------------------------------------------------------------------------------------------------------------- TOTAL OPERATING PROPERTY ACQUISITIONS: 7 577,216 $66,642 ==================================================================================================================================

FOR THE YEAR ENDED DECEMBER 31, 2000

- ---------------------------------------------------------------------------------------------------------------------------------- ACQUISITION # OF RENTABLE INVESTMENT BY DATE PROPERTY/PORTFOLIO NAME LOCATION BLDGS. SQUARE FEET COMPANY (c) - ---------------------------------------------------------------------------------------------------------------------------------- OFFICE 5/23/00 555 & 565 Taxter Road Elmsford, Westchester County, NY 2 341,108 $42,980 6/14/00 Four Gatehall Drive Parsippany, Morris County, NJ 1 248,480 42,381 - ---------------------------------------------------------------------------------------------------------------------------------- TOTAL OFFICE PROPERTY ACQUISITIONS: 3 589,588 $85,361 - ---------------------------------------------------------------------------------------------------------------------------------- OFFICE/FLEX 3/24/00 Two Executive Drive (a)(b) Moorestown, Burlington County, NJ 1 60,800 $ 4,007 7/14/00 915 North Lenola Road (a)(b) Moorestown, Burlington County, NJ 1 52,488 2,542 - ---------------------------------------------------------------------------------------------------------------------------------- TOTAL OFFICE/FLEX PROPERTY ACQUISITIONS: 2 113,288 $ 6,549 - ---------------------------------------------------------------------------------------------------------------------------------- TOTAL OPERATING PROPERTY ACQUISITIONS: 5 702,876 $91,910 ==================================================================================================================================

SEE FOOTNOTES TO THE ABOVE SCHEDULES ON PAGE 31. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 30 PROPERTIES PLACED IN SERVICE (DOLLARS IN THOUSANDS) FOR THE SIX MONTHS ENDED JUNE 30, 2001

- ---------------------------------------------------------------------------------------------------------------------------------- DATE PLACED # OF RENTABLE INVESTMENT BY IN SERVICE PROPERTY/PORTFOLIO NAME LOCATION BLDGS. SQUARE FEET COMPANY (d) - ---------------------------------------------------------------------------------------------------------------------------------- OFFICE 01/15/01 105 Eisenhower Parkway Roseland, Essex County, NJ 1 220,000 $43,300 03/01/01 8181 East Tufts Avenue Denver, Denver County, CO 1 185,254 34,371 - ---------------------------------------------------------------------------------------------------------------------------------- TOTAL PROPERTIES PLACED IN SERVICE: 2 405,254 $77,671 ==================================================================================================================================

FOR THE YEAR ENDED DECEMBER 31, 2000

- ---------------------------------------------------------------------------------------------------------------------------------- DATE PLACED # OF RENTABLE INVESTMENT BY IN SERVICE PROPERTY/PORTFOLIO NAME LOCATION BLDGS. SQUARE FEET COMPANY (e) - ---------------------------------------------------------------------------------------------------------------------------------- OFFICE 9/01/00 Harborside Plaza 4-A (f) Jersey City, Hudson County, NJ 1 207,670 $61,459 9/15/00 Liberty Corner Corp. Center Bernards Township, Somerset County, NJ 1 132,010 17,430 - ---------------------------------------------------------------------------------------------------------------------------------- TOTAL PROPERTIES PLACED IN SERVICE: 2 339,680 $78,889 ==================================================================================================================================

(a) Transactions were funded primarily from net proceeds received in the sale of a rental property, as well as the Company's cash reserves and draws on the Company's credit facilities. (b) The properties were acquired through the exercise of a purchase option obtained in the initial acquisition of the McGarvey portfolio in January 1998. (c) Transactions were funded primarily from net proceeds received in the sale or sales of rental property. (d) Unless otherwise noted, transactions were funded primarily through draws on the Company's credit facilities, and amounts presented are as of June 30, 2001. (e) Unless otherwise noted, transactions were funded primarily through draws on the Company's credit facilities, and amounts presented are as of December 31, 2000. (f) Project includes seven-story, 1,100-car parking garage. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 31 ACQUISITION PROPERTY PROFILE

================================================================================ - -------------------------------------------------------------------------------- PROPERTY NAME: 4 Campus Drive PRODUCT TYPE: Office Building LOCATION: Parsippany, Morris County, New Jersey DESCRIPTION: Class A, three-story office building SIZE: 147,475 square feet YEAR CONSTRUCTED: 1983 CLOSING DATE: April 6, 2001 ACQUISITION COST: $26.1 million FUNDING SOURCE: Borrowing from revolving credit facility PERCENTAGE LEASED: 86.8% NUMBER OF TENANTS: 10 SIGNIFICANT TENANTS: Nabisco, Inc. (40,368 square feet) Summit Equities, Inc. (29,201 square feet) Gruntal Co., L.L.C. (11,553 square feet) Reiseman & Sharp (10,199 square feet) ================================================================================

================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 32 ACQUISITION PROPERTY PROFILE

================================================================================ - -------------------------------------------------------------------------------- PROPERTY NAME: 6 Campus Drive PRODUCT TYPE: Office Building LOCATION: Parsippany, Morris County, New Jersey DESCRIPTION: Class A, three-story office building SIZE: 148,291 square feet YEAR CONSTRUCTED: 1983 CLOSING DATE: April 6, 2001 ACQUISITION COST: $22.1 million FUNDING SOURCE: Borrowing from revolving credit facility PERCENTAGE LEASED: 98.4% NUMBER OF TENANTS: 8 SIGNIFICANT TENANTS: Prudential Insurance Co. (81,232 square feet) Ameritech Data Networking (13,096 square feet) Gallagher Bassett Services (12,052 square feet) Executrain of New Jersey (11,940 square feet) Drake Beam Morin, Inc. (10,366 square feet) ================================================================================

================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 33 ACQUISITION PROPERTY PROFILE

================================================================================ PROPERTY NAME: 1245 North Church Street PRODUCT TYPE: Office/Flex Building LOCATION: Moorestown, Burlington County, New Jersey DESCRIPTION: Class A, one-story office/flex building SIZE: 52,810 square feet YEAR CONSTRUCTED: 1998 CLOSING DATE: April 27, 2001 ACQUISITION COST: $3.5 million FUNDING SOURCE: Proceeds from sale of office property PERCENTAGE LEASED: 100.0% NUMBER OF TENANTS: 3 TENANTS: Health Ink L.L.C. (20,000 square feet) C&L Properties L.L.C. (18,410 square feet) C&L Packaging, Inc. (14,400 square feet) ================================================================================

================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 34 ACQUISITION PROPERTY PROFILE

================================================================================ - -------------------------------------------------------------------------------- PROPERTY NAME: 1247 North Church Street PRODUCT TYPE: Office/Flex Building LOCATION: Moorestown, Burlington County, New Jersey DESCRIPTION: Class A, one-story office/flex building SIZE: 52,790 square feet YEAR CONSTRUCTED: 1998 CLOSING DATE: April 27, 2001 ACQUISITION COST: $4.0 million FUNDING SOURCE: Proceeds from sale of office property PERCENTAGE LEASED: 100.0% NUMBER OF TENANTS: 7 SIGNIFICANT TENANTS: Otis Elevator Company (12,000 square feet) Dilks Agency, Inc. (11,900 square feet) Telesciences, Inc. (8,810 square feet) ================================================================================

================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 35 ACQUISITION PROPERTY PROFILE

================================================================================ - -------------------------------------------------------------------------------- PROPERTY NAME: 2 Twosome Drive PRODUCT TYPE: Office/Flex Building LOCATION: Moorestown, Burlington County, New Jersey DESCRIPTION: Class A, one-story office/flex building SIZE: 48,600 square feet YEAR CONSTRUCTED: 2000 CLOSING DATE: April 27, 2001 ACQUISITION COST: $3.5 million FUNDING SOURCE: Borrowing from revolving credit facility PERCENTAGE LEASED: 100.0% NUMBER OF TENANTS: 1 TENANT: Sterling Medical Services (48,600 square feet) ================================================================================

================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 36 SUMMARY OF CONSTRUCTION PROJECTS (DOLLARS IN THOUSANDS)

==================================================================================================================================== ESTIMATED COSTS PLACED IN NUMBER INCURRED TOTAL SERVICE OF SQUARE THROUGH ESTIMATED CURRENT PROJECT LOCATION TYPE OF SPACE DATE BUILDINGS FEET 6/30/01 COSTS % LEASED - ------------------------------------------------------------------------------------------------------------------------------------ MAJORITY OWNED: Harborside Plaza 5 Jersey City, NJ Office 2002-4Q 1 980,000 $50,473 $260,000 24.9% - ------------------------------------------------------------------------------------------------------------------------------------ SUB-TOTAL: 1 980,000 $50,473 $260,000 24.9% - ------------------------------------------------------------------------------------------------------------------------------------ UNCONSOLIDATED JOINT VENTURES: Stadium Gateway (a) Anaheim, CA Office 2001-3Q 1 261,554 $2,680 $2,680 32.0% Pacific Plaza Phase I & II (b) Daly City, CA Office/Retail 2001-3Q 2 471,379 9,188 9,188 60.6% Hyatt Regency South Pier (c) Jersey City, NJ Hotel 2002-3Q 1 280,000 9,859 18,000 n/a Harborside Plaza 10 (d) Jersey City, NJ Office 2002-3Q 1 575,000 35,399 36,000 100.0% - ------------------------------------------------------------------------------------------------------------------------------------ SUB-TOTAL: 5 1,587,933 $57,126 $65,868 72.2% - ------------------------------------------------------------------------------------------------------------------------------------ GRAND-TOTAL: 6 2,567,933 $107,599 $325,868 54.2% ====================================================================================================================================

(a) The Costs Incurred and Total Estimated Costs reflect the Company's funding in this project. The total cost of the project is currently projected to be approximately $44.0 million. (b) The Costs Incurred and Total Estimated Costs reflect the Company's funding in this project. The total cost of the project is currently projected to be approximately $120.4 million. (c) The Costs Incurred and Total Estimated Costs reflect the Company's funding in this project. The total cost of the project is currently projected to be approximately $103.0 million. (d) The Costs Incurred and Total Estimated Costs reflect the Company's funding in this project. The total cost of the project is currently projected to be approximately $140.0 million. SUMMARY OF DEVELOPMENT PROPERTIES IN LEASE-UP (DOLLARS IN THOUSANDS)

==================================================================================================================================== COSTS PLACED IN NUMBER INCURRED TOTAL SERVICE OF SQUARE THROUGH ESTIMATED CURRENT PROJECT LOCATION TYPE OF SPACE DATE BUILDINGS FEET 6/30/01 COSTS % LEASED - ------------------------------------------------------------------------------------------------------------------------------------ 105 Eisenhower Parkway Roseland, NJ Office 01/15/01 1 220,000 $43,300 $43,600 50.9% 8181 East Tufts Avenue Denver, CO Office 03/01/01 1 185,254 34,371 34,700 66.9% - ------------------------------------------------------------------------------------------------------------------------------------ TOTALS: 2 405,254 $77,671 $78,300 58.2% ====================================================================================================================================

================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 37 SUMMARY OF LAND PARCELS

============================================================================================================================= DEVELOPMENT POTENTIAL SITE TOWN/ CITY STATE ACRES (SQ. FT.) TYPE OF SPACE - ----------------------------------------------------------------------------------------------------------------------------- Horizon Center Hamilton NJ 50.0 575,000 Office/Flex/Retail American Financial Exchange (a) Jersey City NJ 3.6 1,225,000 Office Harborside Financial Center (b) Jersey City NJ 6.5 3,113,500 Office Mack-Cali Business Campus (c) Parsippany & Hanover NJ 110.0 1,350,000 Office Morris V and VI (a) Parsippany NJ 47.5 645,000 Office Commercenter Totowa NJ 5.8 30,000 Office/Flex Princeton Metro (c) West Windsor NJ 10.0 97,000 Office Princeton Overlook II West Windsor NJ 10.0 149,500 Office Cross Westchester Executive Park (d) Elmsford NY 5.0 60,000 Office/Flex Elmsford Distribution Center (d) Elmsford NY 14.5 100,000 Warehouse Mid-Westchester Executive Park (d) Hawthorne NY 8.0 73,000 Office/Flex One Ramland Road (a) Orangeburg NY 20.0 100,000 Office/Flex South Westchester Executive Park (d) Yonkers NY 60.0 500,000 Office/Flex Airport Business Center Lester PA 12.6 135,000 Office Eastpoint II Lanham MD 4.8 122,000 Office/Hotel Tri West Plaza II (d) Dallas TX 4.5 500,000 Office Concord Plaza II (e) San Antonio TX 2.2 145,000 Office Hilltop Business Center (e) Littleton CO 7.1 128,000 Office Pacific Plaza Phase III (f) Daly City CA 2.5 270,000 Office - ----------------------------------------------------------------------------------------------------------------------------- TOTALS 384.6 9,318,000 =============================================================================================================================

(a) Land owned by joint venture in which Mack-Cali is significant equity partner. (b) Includes 21 acres of riparian property. (c) Land owned by Mack-Cali which is subject to a contribution agreement to a development joint venture. (d) Mack-Cali holds an option to purchase this land. (e) Land is currently being held for sale. (f) Unconsolidated joint venture, in which Mack-Cali is significant equity partner, holds an option to purchase this land. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 38 RENTAL PROPERTY SALES (DOLLARS IN THOUSANDS) FOR THE SIX MONTHS ENDED JUNE 30, 2001

==================================================================================================================================== SALE # OF RENTABLE NET SALES NET BOOK REALIZED DATE PROPERTY NAME LOCATION BLDGS. SQUARE FEET PROCEEDS VALUE GAIN - ------------------------------------------------------------------------------------------------------------------------------------ OFFICE: 06/01/01 1777 N.E. Loop 410 San Antonio, Bexar County, TX 1 256,137 $21,313 $16,703 $4,610 06/15/01 14511 Falling Creek Houston, Harris County, TX 1 70,999 2,982 2,458 524 RESIDENTIAL: 06/21/01 Tenby Chase Apartments Delran, Burlington County, NJ 1 327 units 19,336 2,399 16,937 OTHER: 04/03/01 North Pier-Harborside Jersey City, Hudson County, NJ -- n/a 3,357 2,918 439 - ------------------------------------------------------------------------------------------------------------------------------------ TOTALS: 3 327,136 $46,988 $24,478 $22,510 ====================================================================================================================================

FOR THE YEAR ENDED DECEMBER 31, 2000

==================================================================================================================================== SALE # OF RENTABLE NET SALES NET BOOK REALIZED DATE PROPERTY NAME LOCATION BLDGS. SQUARE FEET PROCEEDS VALUE GAIN/(LOSS) - ------------------------------------------------------------------------------------------------------------------------------------ LAND: 02/25/00 Horizon Center Land Hamilton Township, Mercer -- 39.1 acres $ 4,180 $ 1,932 $ 2,248 County, NJ OFFICE: 04/17/00 95 Christopher Columbus Dr. Jersey City, Hudson County, NJ 1 621,900 148,222 80,583 67,639 04/20/00 6900 IH-40 West Amarillo, Potter County, TX 1 71,771 1,467 1,727 (260) 06/09/00 412 Mt. Kemble Avenue Morris Twp., Morris County, NJ 1 475,100 81,981 75,439 6,542 09/21/00 Cielo Center Austin, Travis County, TX 1 270,703 45,785 35,749 10,036 11/15/00 210 South 16th Street (a) Omaha, Douglas County, NE 1 319,535 11,976 12,828 (852) - ------------------------------------------------------------------------------------------------------------------------------------ TOTALS: 5 1,759,009 $293,611 $208,258 $85,353 ====================================================================================================================================

(a) In connection with the sale of the Omaha, Nebraska property, the Company provided to the purchaser an $8,750 mortgage loan bearing interest payable monthly at an annual rate of 9.50 percent. The loan is secured by the Omaha, Nebraska property and will mature on November 14, 2003. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 39 V. PORTFOLIO/ LEASING STATISTICS ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 40 V. PORTFOLIO/ LEASING STATISTICS LEASING STATISTICS (FOR THE THREE MONTHS ENDED JUNE 30, 2001) CONSOLIDATED IN-SERVICE PORTFOLIO (a) SUMMARY OF SPACE LEASED

============================================================================================================================== LEASING ACTIVITY LEASED SQ. FT. SQ. FT. EXPIRING/ NET SQ. FT. % % LEASED ACQUIRED/ ADJUSTMENT INCOMING LEASING LEASED LEASED LEASED REGION/MARKET 3/31/01 (SOLD) (b) SQ. FT. (c) SQ. FT. ACTIVITY 6/30/01 6/30/01 3/31/01 - ------------------------------------------------------------------------------------------------------------------------------ NORTHEAST Northern NJ 9,127,822 273,926 (278,156) 303,034 24,878 9,426,626 97.9% 97.8% Central NJ 2,687,460 -- (117,113) 150,690 33,577 2,721,037 97.8% 96.6% Westchester Co., NY 4,385,706 -- (231,805) 242,168 10,363 4,396,069 97.3% 97.1% Sub. Philadelphia 2,654,423 154,200 (125,440) 153,315 27,875 2,836,498 92.3% 91.0% Fairfield, CT 649,484 -- (37,834) 37,306 (528) 648,956 96.5% 96.5% Washington, DC/MD 613,455 -- (1,797) -- (1,797) 611,658 99.2% 99.5% Rockland Co/Long Island, NY 583,164 -- (9,114) 10,283 1,169 584,333 98.8% 98.6% ----------------------------------------------------------------------------------------------- TOTAL NORTHEAST 20,701,514 428,126 (801,259) 896,796 95,537 21,225,177 97.0% 96.6% ----------------------------------------------------------------------------------------------- SOUTHWEST/WEST/OTHER Texas 2,465,144 (288,926) (298,419) 170,737 (127,682) 2,048,536 87.3% 92.2% Colorado 1,482,476 -- (30,122) 20,981 (9,141) 1,473,335 99.0% 99.6% San Francisco 439,535 -- (10,614) 9,749 (865) 438,670 97.3% 97.5% Arizona 416,967 -- -- -- -- 416,967 100.0% 100.0% Other 342,466 -- (16,505) 17,444 939 343,405 92.9% 92.6% ----------------------------------------------------------------------------------------------- TOTAL SOUTHWEST/WEST/OTHER 5,146,588 (288,926) (355,660) 218,911 (136,749) 4,720,913 93.1% 95.3% ----------------------------------------------------------------------------------------------- COMPANY TOTALS 25,848,102 139,200 (1,156,919) 1,115,707 (41,212) 25,946,090 96.3% 96.4% =============================================================================================== ==============================================================================================================================

RECONCILIATION OF TOTAL PROPERTY SQUARE FOOTAGE Total sq. ft. as of March 31, 2001 26,825,071 Total sq. ft. of properties added this period 449,966 Total sq. ft. of properties sold this period (327,136) ---------- Total sq. ft. as of June 30, 2001 26,947,901 ========== ========================================================================== (a) Consolidated In-Service Portfolio excludes in-service development properties in lease-up, aggregating 405,254 square feet. (b) Net gain/loss of leased square footage through properties sold, acquired or placed in service during the period. (c) Represents the square footage of leases expiring during the period or scheduled to expire in the future for which new leases or renewals were signed during the period, as well as internal administrative adjustments. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 41 LEASING STATISTICS (FOR THE THREE MONTHS ENDED JUNE 30, 2001) CONSOLIDATED IN-SERVICE PORTFOLIO (CONTINUED) DETAIL OF TRANSACTION ACTIVITY

==================================================================================================================================== DETAIL BY REGION/MARKET SQ. FT. WTD. WTD. LEASING # OF SQ. FT. RENEWED AND AVG. AVG. COSTS PER TRANS- TOTAL NEW OTHER TERM BASE SQ. FT. PER REGION/MARKET PROPERTY TYPE ACTIONS SQ. FT. LEASES RETAINED (a) (YRS.) RENT (b) YEAR (c) - ------------------------------------------------------------------------------------------------------------------------------------ NORTHEAST Northern NJ Office 51 295,809 112,539 183,270 6.8 $30.12 $2.39 Office/Flex 1 7,225 7,225 -- 5.0 $17.27 $2.81 Central NJ Office 13 92,545 42,064 50,481 5.5 $27.81 $2.57 Office/Flex 3 58,145 17,435 40,710 11.0 $20.33 $0.98 Westchester Co., NY Office 38 128,487 44,099 84,388 4.9 $26.38 $1.71 Office/Flex 18 113,681 26,043 87,638 3.7 $15.44 $0.96 Industrial/Warehouse -- -- -- -- -- -- -- Sub. Philadelphia Office 7 78,375 34,686 43,689 4.5 $25.05 $3.48 Office/Flex 7 74,940 31,825 43,115 4.7 $10.46 $0.60 Fairfield, CT Office 5 31,056 -- 31,056 3.2 $27.62 $1.04 Office/Flex 2 6,250 4,250 2,000 1.0 $15.92 $0.91 Washington, DC/MD Office -- -- -- -- -- -- -- Rockland Co/Long Island, NY Office 6 10,283 3,220 7,063 4.5 $24.80 $1.78 ------------------------------------------------------------------------- TOTAL NORTHEAST 151 896,796 323,386 573,410 5.7 $24.42 $2.14 ------------------------------------------------------------------------- SOUTHWEST/WEST/OTHER Texas Office 39 170,737 75,650 95,087 3.3 $19.54 $2.09 Colorado Office 8 20,981 4,944 16,037 3.8 $20.45 $0.97 San Francisco Office 24 9,749 3,568 6,181 2.5 $50.09 $2.20 Other Office 4 17,444 7,831 9,613 5.0 $18.51 $2.30 ------------------------------------------------------------------------- TOTAL SOUTHWEST/WEST/OTHER 75 218,911 91,993 126,918 3.4 $20.90 $2.06 ------------------------------------------------------------------------- COMPANY TOTALS 226 1,115,707 415,379 700,328 5.3 $23.73 $2.13 ========================================================================= ==================================================================================================================================== DETAIL BY PROPERTY TYPE Office 195 855,466 328,601 526,865 5.1 $26.33 $2.35 Office/Flex 31 260,241 86,778 173,463 5.6 $15.16 $1.21 Industrial/Warehouse -- -- -- -- -- -- -- -------------------------------------------------------------------------- COMPANY TOTALS 226 1,115,707 415,379 700,328 5.3 $23.73 $2.13 ========================================================================== ==================================================================================================================================== TENANT RETENTION: Leases Retained 59.4% Sq. Ft. Retained 60.5% - ------------------------------------------------------------------------------------------------------------------------------------ ====================================================================================================================================

(a) "Other Retained" transactions include existing tenants' expansions and relocations within the same building. (b) For Office/Flex properties, equals triple net rent plus common area costs and real estate taxes. (c) Represents estimated workletter costs of $7,264,968 and commissions of $4,026,077 committed, but not necessarily expended, during period for second generation space aggregating 1,043,618 square feet. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 42 LEASING STATISTICS (FOR THE THREE MONTHS ENDED JUNE 30, 2001) UNCONSOLIDATED JOINT VENTURE PROPERTIES SUMMARY OF SPACE LEASED

============================================================================================================================== LEASING ACTIVITY LEASED SQ. FT. SQ. FT. EXPIRING/ NET SQ. FT. % % LEASED ACQUIRED/ ADJUSTMENT INCOMING LEASING LEASED LEASED LEASED STATE 3/31/01 (SOLD) (A) SQ. FT. (B) SQ. FT. ACTIVITY 6/30/01 6/30/01 3/31/01 - ------------------------------------------------------------------------------------------------------------------------------ New Jersey 156,495 -- (8,653) -- (8,653) 147,842 94.5% 100.0% New York 187,000 -- -- -- -- 187,000 80.6% 80.6% California 719,924 (239,085) -- -- -- 480,839 98.4% 98.9% Texas 282,599 -- (21,006) -- (21,006) 261,593 87.8% 94.8% -------------------------------------------------------------------------------------------------- TOTALS 1,346,018 (239,085) (29,659) -- (29,659) 1,077,274 91.7% 95.2% ================================================================================================== ==============================================================================================================================

RECONCILIATION OF TOTAL PROPERTY SQUARE FOOTAGE Total sq. ft. as of March 31, 2001 1,414,398 Total sq. ft. of properties sold this period (239,085) --------- Total sq. ft. as of June 30, 2001 1,175,313 ========= ========================================================================== DETAIL OF TRANSACTION ACTIVITY No Transactions This Period. (a) Net gain/loss of leased square footage through properties sold, acquired or placed in service during the period. (b) Represents the square footage of leases expiring or scheduled to expire for which new leases or renewals were signed during the period, as well as internal administrative adjustments. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 43 LEASING STATISTICS (FOR THE SIX MONTHS ENDED JUNE 30, 2001) CONSOLIDATED IN-SERVICE PORTFOLIO (a) SUMMARY OF SPACE LEASED

==================================================================================================================================== LEASING ACTIVITY LEASED SQ. FT. SQ. FT. EXPIRING/ NET SQ. FT. % % LEASED ACQUIRED/ ADJUSTMENT INCOMING LEASING LEASED LEASED LEASED REGION/MARKET 12/31/00 (SOLD) (b) SQ. FT. (c) SQ. FT. ACTIVITY 6/30/01 6/30/01 12/31/00 - ------------------------------------------------------------------------------------------------------------------------------------ NORTHEAST Northern NJ 9,168,667 273,926 (446,048) 430,081 (15,967) 9,426,626 97.9% 98.3% Central NJ 2,689,076 -- (185,845) 217,806 31,961 2,721,037 97.8% 96.7% Westchester Co., NY 4,411,621 -- (445,460) 429,908 (15,552) 4,396,069 97.3% 97.7% Sub. Philadelphia 2,557,156 281,450 (327,771) 325,663 (2,108) 2,836,498 92.3% 91.6% Fairfield, CT 659,804 -- (69,219) 58,371 (10,848) 648,956 96.5% 98.1% Washington, DC/MD 607,942 -- (64,857) 68,573 3,716 611,658 99.2% 98.6% Rockland Co/Long Island, NY 556,918 31,000 (37,827) 34,242 (3,585) 584,333 98.8% 99.3% --------------------------------------------------------------------------------------------------- TOTAL NORTHEAST 20,651,184 586,376 (1,577,027) 1,564,644 (12,383) 21,225,177 97.0% 97.1% --------------------------------------------------------------------------------------------------- SOUTHWEST/WEST/OTHER Texas 2,462,200 (288,926) (405,556) 280,818 (124,738) 2,048,536 87.3% 92.1% Colorado 1,484,500 -- (41,685) 30,520 (11,165) 1,473,335 99.0% 99.7% San Francisco 445,490 -- (19,255) 12,435 (6,820) 438,670 97.3% 98.8% Arizona 416,967 -- -- -- -- 416,967 100.0% 100.0% Other 342,466 -- (19,332) 20,271 939 343,405 92.9% 92.6% --------------------------------------------------------------------------------------------------- TOTAL SOUTHWEST/WEST/OTHER 5,151,623 (288,926) (485,828) 344,044 (141,784) 4,720,913 93.1% 95.4% --------------------------------------------------------------------------------------------------- COMPANY TOTALS 25,802,807 297,450 (2,062,855) 1,908,688 (154,167) 25,946,090 96.3% 96.8% =================================================================================================== ====================================================================================================================================

RECONCILIATION OF TOTAL PROPERTY SQUARE FOOTAGE Total sq. ft. as of December 31, 2000 26,666,821 Total sq. ft. of properties added this period 608,216 Total sq. ft. of properties sold this period (327,136) ---------- Total sq. ft. as of June 30, 2001 26,947,901 ========== ========================================================================== (a) Consolidated In-Service Portfolio excludes in-service development properties in lease-up, aggregating 405,254 square feet. (b) Net gain/loss of leased square footage through properties sold, acquired or placed in service during the period. (c) Represents the square footage of leases expiring during the period or scheduled to expire in the future for which new leases or renewals were signed during the period, as well as internal administrative adjustments. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 44 LEASING STATISTICS (FOR THE SIX MONTHS ENDED JUNE 30, 2001) CONSOLIDATED IN-SERVICE PORTFOLIO (CONTINUED) DETAIL OF TRANSACTION ACTIVITY

==================================================================================================================================== DETAIL BY REGION/MARKET SQ. FT. WTD. WTD. LEASING # OF SQ. FT. RENEWED AND AVG. AVG. COSTS PER TRANS- TOTAL NEW OTHER TERM BASE SQ. FT. PER REGION/MARKET PROPERTY TYPE ACTIONS SQ. FT. LEASES RETAINED (a) (YRS.) RENT (b) YEAR (c) - ------------------------------------------------------------------------------------------------------------------------------------ NORTHEAST Northern NJ Office 67 413,889 188,144 225,745 6.6 $29.27 $2.38 Office/Flex 3 16,192 13,465 2,727 6.2 $16.38 $1.38 Central NJ Office 20 119,046 46,189 72,857 5.1 $27.30 $2.51 Office/Flex 8 98,760 17,435 81,325 8.4 $18.60 $0.85 Westchester Co., NY Office 66 242,102 95,127 146,975 5.5 $25.85 $1.80 Office/Flex 33 184,806 42,763 142,043 3.8 $16.17 $1.18 Industrial/Warehouse 1 3,000 3,000 -- 1.0 $12.00 $0.45 Sub. Philadelphia Office 26 203,983 82,783 121,200 4.6 $26.84 $2.86 Office/Flex 14 121,680 39,565 82,115 4.2 $9.67 $0.75 Fairfield, CT Office 9 50,121 -- 50,121 2.6 $26.24 $0.85 Office/Flex 3 8,250 4,250 4,000 1.2 $17.27 $0.64 Washington, DC/MD Office 3 68,573 -- 68,573 11.5 $26.15 $2.09 Rockland Co/Long Island, NY Office 11 34,242 7,799 26,443 5.1 $24.35 $1.66 ------------------------------------------------------------------------ TOTAL NORTHEAST 264 1,564,644 540,520 1,024,124 5.7 $23.96 $2.06 ------------------------------------------------------------------------ SOUTHWEST/WEST/OTHER Texas Office 76 280,818 100,469 180,349 3.1 $19.96 $2.07 Colorado Office 13 30,520 6,733 23,787 3.8 $21.55 $1.09 San Francisco Office 32 12,435 4,432 8,003 2.4 $50.55 $2.27 Other Office 5 20,271 7,831 12,440 4.7 $18.36 $2.14 ------------------------------------------------------------------------ TOTAL SOUTHWEST/WEST/OTHER 126 344,044 119,465 224,579 3.3 $21.11 $2.03 ------------------------------------------------------------------------ COMPANY TOTALS 390 1,908,688 659,985 1,248,703 5.2 $23.45 $2.06 ======================================================================== ==================================================================================================================================== DETAIL BY PROPERTY TYPE Office 328 1,476,000 539,507 936,493 5.3 $25.95 $2.26 Office/Flex 61 429,688 117,478 312,210 5.0 $14.91 $1.13 Industrial/Warehouse 1 3,000 3,000 -- 1.0 $12.00 $0.45 ------------------------------------------------------------------------ COMPANY TOTALS 390 1,908,688 659,985 1,248,703 5.2 $23.45 $2.06 ======================================================================== ==================================================================================================================================== TENANT RETENTION: Leases Retained 59.8% Sq. Ft. Retained 60.5% - ------------------------------------------------------------------------------------------------------------------------------------

(a) "Other Retained" transactions include existing tenants' expansions and relocations within the same building. (b) For Office/Flex properties, equals triple net rent plus common area costs and real estate taxes. (c) Represents estimated workletter costs of $12,036,207 and commissions of $7,119,831 committed, but not necessarily expended, during period for second generation space aggregating 1,820,112 square feet. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 45 LEASING STATISTICS (FOR THE SIX MONTHS ENDED JUNE 30, 2001) UNCONSOLIDATED JOINT VENTURE PROPERTIES SUMMARY OF SPACE LEASED

==================================================================================================================================== LEASING ACTIVITY LEASED SQ. FT. SQ. FT. EXPIRING/ NET SQ. FT. % % LEASED ACQUIRED/ ADJUSTMENT INCOMING LEASING LEASED LEASED LEASED STATE 12/31/00 (SOLD) (a) SQ. FT. (b) SQ. FT. ACTIVITY 6/30/01 6/30/01 12/31/00 - ------------------------------------------------------------------------------------------------------------------------------------ New Jersey 154,749 -- (8,653) 1,746 (6,907) 147,842 94.5% 100.0% New York 187,000 -- -- -- -- 187,000 80.6% 80.6% California 841,984 (372,926) -- 11,781 11,781 480,839 98.4% 86.2% Texas 281,016 -- (19,423) -- (19,423) 261,593 87.8% 94.3% ----------------------------------------------------------------------------------------------------- TOTALS 1,464,749 (372,926) (28,076) 13,527 (14,549) 1,077,274 91.7% 94.6% ===================================================================================================== ====================================================================================================================================

RECONCILIATION OF TOTAL PROPERTY SQUARE FOOTAGE Total sq. ft. as of December 31, 2000 1,548,239 Total sq. ft. of properties sold this period (372,926) --------- Total sq. ft. as of June 30, 2001 1,175,313 ========= ========================================================================== DETAIL OF TRANSACTION ACTIVITY

============================================================================================================================== SQ. FT. RENEWED AND LEASING COSTS # OF SQ. FT. NEW OTHER WTD. AVG. WTD. AVG. PER SQ. FT. STATE TRANSACTIONS TOTAL SQ. FT. LEASES RETAINED (c) TERM (YRS.) BASE RENT PER YEAR (d) - ------------------------------------------------------------------------------------------------------------------------------ New Jersey 1 1,746 -- 1,746 3.0 $15.29 $0.27 California 2 11,781 6,263 5,518 5.0 $22.20 $5.93 --------------------------------------------------------------------------------------------- TOTALS 3 13,527 6,263 7,264 4.5 $21.31 $5.02 ============================================================================================= ==============================================================================================================================

(a) Net gain/loss of leased square footage through properties sold, acquired or placed in service during the period. (b) Represents the square footage of leases expiring or scheduled to expire for which new leases or renewals were signed during the period, as well as internal administrative adjustments. (c) "Other Retained" transactions include existing tenants' expansions and relocations within the same building. (d) Represents estimated workletter costs of $133,100 and commissions of $31,673 committed, but not necessarily expended, during the period for second generation space aggregating 7,264 square feet. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 46 MARKET DIVERSIFICATION The following table lists the Company's 25 markets (MSAs), based on annualized contractual base rent of the Consolidated Properties:

PERCENTAGE ANNUALIZED OF BASE RENTAL COMPANY TOTAL REVENUE ANNUALIZED BASE PROPERTY SIZE PERCENTAGE OF MARKET (MSA) ($) (a) (b) RENTAL REVENUE (%) RENTABLE AREA RENTABLE AREA (%) - ------------------------------------------------------------------------------------------------------------------------------------ Bergen-Passaic, NJ 85,629,819 17.3 4,530,091 16.6 Newark, NJ (Essex-Morris-Union Counties) 82,222,663 16.6 3,960,364 14.5 New York, NY (Westchester-Rockland Counties) 82,073,752 16.6 4,696,178 17.2 Jersey City, NJ 42,621,145 8.6 2,094,470 7.6 Philadelphia, PA-NJ 40,495,614 8.2 2,991,796 10.9 Denver, CO 20,565,846 4.1 1,193,185 4.4 Washington, DC-MD-VA 19,434,059 3.9 616,549 2.2 Middlesex-Somerset-Hunterdon, NJ 15,797,282 3.2 791,051 2.9 Dallas, TX 15,620,705 3.2 959,463 3.5 Trenton, NJ (Mercer County) 14,525,252 2.9 672,365 2.5 San Francisco, CA 12,658,900 2.6 450,891 1.6 Stamford-Norwalk, CT 9,121,157 1.8 527,250 1.9 Houston, TX 8,165,139 1.7 629,009 2.3 San Antonio, TX 7,899,952 1.6 684,165 2.5 Monmouth-Ocean, NJ 7,478,378 1.5 577,423 2.1 Nassau-Suffolk, NY 6,373,398 1.3 292,849 1.1 Phoenix-Mesa, AZ 5,646,402 1.1 416,967 1.5 Tampa-St. Petersburg-Clearwater, FL 3,914,853 0.8 297,429 1.1 Boulder-Longmont, CO 3,616,838 0.7 270,421 1.0 Bridgeport, CT 3,105,071 0.6 145,487 0.5 Colorado Springs, CO 2,898,133 0.6 209,987 0.8 Dutchess County, NY 2,160,554 0.4 118,727 0.4 Atlantic-Cape May, NJ 1,663,329 0.3 80,344 0.3 Des Moines, IA 1,181,217 0.2 72,265 0.3 Fort Worth-Arlington, TX 1,112,722 0.2 74,429 0.3 - ------------------------------------------------------------------------------------------------------------------------------------ Totals 495,982,180 100.0 27,353,155 100.0 ====================================================================================================================================

(a) Annualized base rental revenue is based on actual June 2001 billings times 12. For leases whose rent commences after July 1, 2001, annualized base rental revenue is based on the first full month's billing times 12. As annualized base rental revenue is not derived from historical generally accepted accounting principles ("GAAP") results, historical results may differ from those set forth above. (b) Includes office, office/flex, industrial/warehouse and stand-alone retail tenants only. Excludes leases for amenity, retail, parking and month-to-month office tenants. Some tenants have multiple leases. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 47 INDUSTRY DIVERSIFICATION The following table lists the Company's 30 largest industry classifications based on annualized contractual base rent of the Consolidated Properties:

ANNUALIZED PERCENTAGE OF PERCENTAGE OF BASE RENTAL COMPANY SQUARE TOTAL COMPANY REVENUE ANNUALIZED BASE FEET LEASED INDUSTRY CLASSIFICATION (a) ($)(b)(c) RENTAL REVENUE (%) LEASED SQ. FT. (%) - ------------------------------------------------------------------------------------------------------------------------------------ Securities, Commodity Contracts & Other Financial 56,347,045 11.3 2,392,202 9.1 Manufacturing 46,385,508 9.4 2,693,497 10.5 Computer System Design Svcs. 34,637,167 7.0 1,790,298 7.0 Insurance Carriers & Related Activities 31,764,575 6.4 1,571,402 6.1 Telecommunications 31,681,119 6.4 1,771,140 6.9 Legal Services 29,298,918 5.9 1,287,742 5.0 Health Care & Social Assistance 21,843,731 4.4 1,130,157 4.4 Credit Intermediation & Related Activities 20,847,856 4.2 1,200,066 4.7 Other Professional 18,653,821 3.8 984,256 3.8 Accounting/Tax Prep. 18,363,639 3.7 796,081 3.1 Wholesale Trade 18,215,281 3.7 1,331,507 5.2 Retail Trade 17,149,616 3.5 979,087 3.8 Information Services 14,543,705 2.9 667,944 2.6 Publishing Industries 13,568,091 2.7 607,175 2.4 Arts, Entertainment & Recreation 10,657,640 2.1 717,709 2.8 Public Administration 10,363,076 2.1 348,804 1.4 Real Estate & Rental & Leasing 10,343,669 2.1 507,503 2.0 Scientific Research/Development 9,654,011 1.9 536,772 2.1 Other Services (except Public Administration) 9,216,828 1.9 696,659 2.7 Architectural/Engineering 8,710,654 1.8 428,530 1.7 Advertising/Related Services 8,645,715 1.7 391,538 1.5 Management of Companies & Finance 6,828,266 1.4 342,523 1.3 Management/Scientific 6,463,419 1.3 296,638 1.2 Transportation 6,365,559 1.3 445,627 1.7 Data Processing Services 6,048,854 1.2 271,752 1.1 Construction 4,820,483 1.0 263,765 1.0 Educational Services 4,177,490 0.8 222,544 0.9 Admin. & Support, Waste Mgt. & Remediation Svc. 3,722,275 0.8 266,044 1.0 Utilities 3,579,717 0.7 170,399 0.7 Specialized Design Services 3,479,180 0.7 163,178 0.6 Other 9,605,272 1.9 489,250 1.7 - ------------------------------------------------------------------------------------------------------------------------------------ Totals 495,982,180 100.0 25,761,789 100.0 ====================================================================================================================================

(a) The Company's tenants are classified according to the U.S. Government's new North American Industrial Classification System (NAICS) which has replaced the Standard Industrial Code (SIC) system. (b) Annualized base rental revenue is based on actual June billings times 12. For leases whose rent commences after July 1, 2001, annualized base rental revenue is based on the first full month's billing times 12. As annualized base rental revenue is not derived from historical GAAP results, historical results may differ from those set forth above. (c) Includes office, office/flex, industrial/warehouse and stand-alone retail tenants only. Excludes leases for amenity, retail, parking and month-to-month office tenants. Some tenants have multiple leases. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 48 CONSOLIDATED PORTFOLIO ANALYSIS (a) (AS OF JUNE 30, 2001) BREAKDOWN BY NUMBER OF PROPERTIES

PROPERTY TYPE: - ------------------------------------------------------------------------------------------------------------------------------- STAND- % OF % OF INDUSTRIAL/ % OF ALONE STATE OFFICE TOTAL OFFICE/FLEX TOTAL WAREHOUSE TOTAL RETAIL - ------------------------------------------------------------------------------------------------------------------------------- New Jersey 71 27.2% 50 19.2% -- -- -- New York 23 8.8% 37 14.2% 6 2.3% 2 Pennsylvania 13 5.0% -- -- -- -- -- Connecticut 3 1.1% 5 1.9% -- -- -- Wash., D.C./ Maryland 4 1.5% -- -- -- -- -- - ------------------------------------------------------------------------------------------------------------------------------- SUB-TOTAL NORTHEAST: 114 43.6% 92 35.3% 6 2.3% 2 - ------------------------------------------------------------------------------------------------------------------------------- Texas 15 5.7% -- -- -- -- -- Arizona 3 1.1% -- -- -- -- -- California 2 0.8% -- -- -- -- -- Colorado 21 8.0% -- -- -- -- -- Florida/ Iowa 2 0.8% -- -- -- -- -- - ------------------------------------------------------------------------------------------------------------------------------- TOTALS BY TYPE: 157 60.0% 92 35.3% 6 2.3% 2 ===============================================================================================================================

- --------------------------------------------------------------------------------------------------------------------------------- MULTI- % OF FAMILY % OF LAND % OF TOTALS % OF STATE TOTAL RESIDENTIAL TOTAL LEASES TOTAL BY STATE TOTAL - --------------------------------------------------------------------------------------------------------------------------------- New Jersey -- -- -- 1 0.4% 122 46.8% New York 0.8% 1 0.4% 2 0.8% 71 27.3% Pennsylvania -- -- -- -- -- 13 5.0% Connecticut -- -- -- -- -- 8 3.0% Wash., D.C./ Maryland -- -- -- -- 4 1.5% - --------------------------------------------------------------------------------------------------------------------------------- SUB-TOTAL NORTHEAST: 0.8% 1 0.4% 3 1.2% 218 83.6% - --------------------------------------------------------------------------------------------------------------------------------- Texas -- -- -- -- -- 15 5.7% Arizona -- -- -- -- -- 3 1.1% California -- -- -- -- -- 2 0.8% Colorado -- -- -- -- -- 21 8.0% Florida/ Iowa -- -- -- -- -- 2 0.8% - --------------------------------------------------------------------------------------------------------------------------------- TOTALS BY TYPE: 0.8% 1 0.4% 3 1.2% 261 100.0% =================================================================================================================================

(a) Excludes 8 properties, aggregating approximately 1.2 million square feet, which are not consolidated by the Company. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 49 CONSOLIDATED PORTFOLIO ANALYSIS(a) (AS OF JUNE 30, 2001) BREAKDOWN BY SQUARE FOOTAGE

PROPERTY TYPE: - ------------------------------------------------------------------------------------------------------------------------------------ % OF % OF INDUSTRIAL/ % OF STATE OFFICE TOTAL OFFICE/FLEX TOTAL WAREHOUSE TOTAL - ------------------------------------------------------------------------------------------------------------------------------------ New Jersey 11,946,575 43.6% 2,277,531 8.3% -- -- New York 2,626,484 9.6% 2,076,570 7.6% 387,400 1.4% Pennsylvania 1,473,798 5.4% -- -- -- -- Connecticut 399,737 1.5% 273,000 1.0% -- -- Wash., D.C./ Maryland 616,549 2.3% -- -- -- -- - ------------------------------------------------------------------------------------------------------------------------------------ SUB-TOTAL NORTHEAST 17,063,143 62.4% 4,627,101 16.9% 387,400 1.4% - ------------------------------------------------------------------------------------------------------------------------------------ Texas 2,347,066 8.6% -- -- -- -- Arizona 416,967 1.5% -- -- -- -- California 450,891 1.6% -- -- -- -- Colorado 1,673,593 6.1% -- -- -- -- Florida/Iowa 369,694 1.4% -- -- -- -- - ------------------------------------------------------------------------------------------------------------------------------------ TOTALS BY TYPE: 22,321,354 81.6% 4,627,101 16.9% 387,400 1.4% ====================================================================================================================================

- --------------------------------------------------------------------------------------------- STAND- ALONE % OF TOTALS % OF STATE RETAIL TOTAL BY STATE TOTAL - --------------------------------------------------------------------------------------------- New Jersey -- -- 14,224,106 51.9% New York 17,300 0.1% 5,107,754 18.7% Pennsylvania -- -- 1,473,798 5.4% Connecticut -- -- 672,737 2.5% Wash., D.C./ Maryland -- -- 616,549 2.3% - --------------------------------------------------------------------------------------------- SUB-TOTAL NORTHEAST 17,300 0.1% 22,094,944 80.8% - --------------------------------------------------------------------------------------------- Texas -- -- 2,347,066 8.6% Arizona -- -- 416,967 1.5% California -- -- 450,891 1.6% Colorado -- -- 1,673,593 6.1% Florida/Iowa -- -- 369,694 1.4% - --------------------------------------------------------------------------------------------- TOTALS BY TYPE: 17,300 0.1% 27,353,155 100.0% =============================================================================================

(a) Excludes 8 properties, aggregating approximately 1.2 million square feet, which are not consolidated by the Company. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 50 CONSOLIDATED PORTFOLIO ANALYSIS(a) (YEAR ENDED JUNE 30, 2001) BREAKDOWN BY BASE RENTAL REVENUE (b) (DOLLARS IN THOUSANDS)

- ------------------------------------------------------------------------------------------------------------------------------------ INDUST./ STAND- % OF % OF WARE- % OF ALONE % OF STATE OFFICE TOTAL OFFICE/FLEX TOTAL HOUSE TOTAL RETAIL TOTAL - ------------------------------------------------------------------------------------------------------------------------------------ New Jersey 243,995 48.2% 17,402 3.4% -- -- -- -- New York 56,698 11.3% 28,801 5.7% 3,723 0.7% 536 0.1% Pennsylvania 29,829 5.9% -- -- -- -- -- -- Connecticut 8,746 1.7% 4,075 0.8% -- -- -- -- Wash., D.C./ Maryland 21,533 4.3% -- -- -- -- -- -- - ------------------------------------------------------------------------------------------------------------------------------------ SUB-TOTAL NORTHEAST: 360,801 71.4% 50,278 9.9% 3,723 0.7% 536 0.1% - ------------------------------------------------------------------------------------------------------------------------------------ Texas 34,062 6.7% -- -- -- -- -- -- Arizona 5,746 1.1% -- -- -- -- -- -- California 15,212 3.0% -- -- -- -- -- -- Colorado 27,322 5.4% -- -- -- -- -- -- Florida/Iowa 4,868 1.0% -- -- -- -- -- -- - ------------------------------------------------------------------------------------------------------------------------------------ TOTALS BY TYPE: 448,011 88.6% 50,278 9.9% 3,723 0.7% 536 0.1% ====================================================================================================================================

PROPERTY TYPE: - ------------------------------------------------------------------------------------------------------------- MULTI- FAMILY % OF LAND % OF TOTALS % OF STATE RESIDENTIAL TOTAL LEASES TOTAL BY STATE TOTAL - ------------------------------------------------------------------------------------------------------------- New Jersey -- -- 261 0.1% 261,658 51.7% New York 2,644 0.5% 251 0.1% 92,653 18.4% Pennsylvania -- -- -- -- 29,829 5.9% Connecticut -- -- -- -- 12,821 2.5% Wash., D.C./ Maryland -- -- -- -- 21,533 4.3% - ------------------------------------------------------------------------------------------------------------- SUB-TOTAL NORTHEAST: 2,644 0.5% 512 0.2% 418,494 82.8% - ------------------------------------------------------------------------------------------------------------- Texas -- -- -- -- 34,062 6.7% Arizona -- -- -- -- 5,746 1.1% California -- -- -- -- 15,212 3.0% Colorado -- -- -- -- 27,322 5.4% Florida/Iowa -- -- -- -- 4,868 1.0% - ------------------------------------------------------------------------------------------------------------- TOTALS BY TYPE: 2,644 0.5% 512 0.2% 505,704 100.0% =============================================================================================================

(a) Excludes 8 properties, aggregating approximately 1.2 million square feet, which are not consolidated by the Company. (b) Total base rent for the twelve months ended June 30, 2001, determined in accordance with GAAP. Substantially all of the leases provide for annual base rents plus recoveries and escalation charges based upon the tenants' proportionate share of and/or increases in real estate taxes and certain costs, as defined, and the pass through of charges for electrical usage. For those properties acquired or placed in service during the twelve months ended June 30, 2001, amounts are annualized. These annualized amounts may not be indicative of the property's results had the Company owned or placed such property in service for the entire twelve months ended June 30, 2001. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 51 CONSOLIDATED PORTFOLIO ANALYSIS (a) (AS OF JUNE 30, 2001) BREAKDOWN BY PERCENTAGE LEASED

PROPERTY TYPE: - ------------------------------------------------------------------------------------------------------------------------------------ WEIGHTED AVG. STATE OFFICE OFFICE/FLEX INDUSTRIAL/WAREHOUSE STAND-ALONE RETAIL BY STATE - ------------------------------------------------------------------------------------------------------------------------------------ New Jersey 98.1% 94.6% -- -- 97.5% New York 97.6% 97.6% 96.5% 100.0% 97.5% Pennsylvania 89.6% -- -- -- 89.6% Connecticut 95.4% 98.1% -- -- 96.5% Washington, D.C./ Maryland 99.2% -- -- -- 99.2% - ------------------------------------------------------------------------------------------------------------------------------------ SUB-TOTAL NORTHEAST 97.3% 96.1% 96.5% 100.0% 97.0% - ------------------------------------------------------------------------------------------------------------------------------------ Texas 87.3% -- -- -- 87.8% Arizona 100.0% -- -- -- 100.0% California 97.3% -- -- -- 97.3% Colorado 99.0% -- -- -- 99.0% Florida/Iowa 92.9% -- -- -- 92.9% - ------------------------------------------------------------------------------------------------------------------------------------ WEIGHTED AVG. BY TYPE: 96.3% 96.1% 96.5% 100.0% 96.3% ====================================================================================================================================

(a) Excludes 8 properties, aggregating approximately 1.2 million square feet, which are not consolidated by the Company, as well as multi-family residential and land lease properties. Also excludes two in-service development properties in lease-up, aggregating 405,254 square feet. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 52 PROPERTY LISTING OFFICE PROPERTIES

PERCENTAGE OF TOTAL 2001 PERCENTAGE OFFICE, 2001 NET LEASED 2001 OFFICE/FLEX AVERAGE RENTABLE AS OF BASE AND INDUSTRIAL/ BASE RENT PROPERTY YEAR AREA 6/30/01 RENT WAREHOUSE PER SQ. FT. LOCATION BUILT (SQ. FT.) (%)(a) ($000)(b)(c) BASE RENT(%) ($)(c)(d) - ------------------------------------------------------------------------------------------------------------------------------------ ATLANTIC COUNTY, NEW JERSEY EGG HARBOR 100 Decadon Drive................. 1987 40,422 100.0 750 0.15 18.55 200 Decadon Drive................. 1991 39,922 100.0 732 0.15 18.34 BERGEN COUNTY, NEW JERSEY FAIR LAWN 17-17 Route 208 North............. 1987 143,000 86.4 3,353 0.67 27.14 FORT LEE One Bridge Plaza.................. 1981 200,000 99.2 5,059 1.01 25.50 2115 Linwood Avenue............... 1981 68,000 99.7 1,549 0.31 22.85 LITTLE FERRY 200 Riser Road.................... 1974 286,628 100.0 1,954 0.39 6.82 MONTVALE 95 Chestnut Ridge Road............ 1975 47,700 100.0 568 0.11 11.91 135 Chestnut Ridge Road........... 1981 66,150 100.0 1,138 0.23 17.20 PARAMUS 15 East Midland Avenue............ 1988 259,823 100.0 6,730 1.34 25.90 461 From Road..................... 1988 253,554 99.8 6,040 1.20 23.87 650 From Road..................... 1978 348,510 99.1 6,162 1.23 17.84 140 Ridgewood Avenue ............. 1981 239,680 99.0 5,296 1.05 22.32 61 South Paramus Avenue........... 1985 269,191 100.0 6,195 1.23 23.01 ROCHELLE PARK 120 Passaic Street................ 1972 52,000 99.6 1,434 0.29 27.69 365 West Passaic Street........... 1976 212,578 98.1 4,111 0.82 19.71 SADDLE RIVER 1 Lake Street..................... 1973/94 474,801 100.0 7,465 1.49 15.72 UPPER SADDLE RIVER 10 Mountainview Road.............. 1986 192,000 100.0 3,988 0.78 20.77 WOODCLIFF LAKE 400 Chestnut Ridge Road........... 1982 89,200 100.0 2,124 0.42 23.81 470 Chestnut Ridge Road........... 1987 52,500 100.0 1,192 0.24 22.70 530 Chestnut Ridge Road........... 1986 57,204 100.0 1,166 0.23 20.38 50 Tice Boulevard................. 1984 235,000 97.8 4,994 0.99 21.73 300 Tice Boulevard................ 1991 230,000 99.4 4,911 0.98 21.48 BURLINGTON COUNTY, NEW JERSEY MOORESTOWN 224 Strawbridge Drive............. 1984 74,000 100.0 1,443 0.29 19.50 228 Strawbridge Drive............. 1984 74,000 100.0 1,434 0.29 19.38 ESSEX COUNTY, NEW JERSEY MILLBURN 150 J.F. Kennedy Parkway.......... 1980 247,476 100.0 6,401 1.28 25.87 ROSELAND 101 Eisenhower Parkway............ 1980 237,000 81.9 3,967 0.79 20.44 103 Eisenhower Parkway............ 1985 151,545 96.0 3,299 0.66 22.68

============================================================================== Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 53 PROPERTY LISTING OFFICE PROPERTIES (CONTINUED)

PERCENTAGE OF TOTAL 2001 PERCENTAGE OFFICE, 2001 NET LEASED 2001 OFFICE/FLEX AVERAGE RENTABLE AS OF BASE AND INDUSTRIAL/ BASE RENT PROPERTY YEAR AREA 6/30/01 RENT WAREHOUSE PER SQ. FT. LOCATION BUILT (SQ. FT.) (%)(a) ($000)(b)(c) BASE RENT(%) $)(c)(d) - -------------------------------------------------------------------------------------------------------------------------------- 105 Eisenhower Parkway (e) ............... 2001 220,000 50.9 3,527 0.70 31.50 HUDSON COUNTY, NEW JERSEY JERSEY CITY Harborside Financial Center Plaza 1....... 1983 400,000 99.0 3,339 0.67 8.43 Harborside Financial Center Plaza 2....... 1990 761,200 100.0 18,848 3.75 24.76 Harborside Financial Center Plaza 3....... 1990 725,600 100.0 17,965 3.58 24.76 Harborside Financial Center Plaza 4-A (e). 2000 207,670 88.7 4,512 0.90 28.74 (f) MERCER COUNTY, NEW JERSEY PRINCETON 103 Carnegie Center....................... 1984 96,000 100.0 2,304 0.46 24.00 100 Overlook Center ...................... 1988 149,600 100.0 2,760 0.55 18.45 5 Vaughn Drive............................ 1987 98,500 100.0 2,338 0.47 23.74 MIDDLESEX COUNTY, NEW JERSEY EAST BRUNSWICK 377 Summerhill Road....................... 1977 40,000 100.0 373 0.07 9.33 PLAINSBORO 500 College Road East..................... 1984 158,235 100.0 3,405 0.68 21.52 SOUTH BRUNSWICK 3 Independence Way........................ 1983 111,300 100.0 2,161 0.43 19.42 WOODBRIDGE 581 Main Street........................... 1991 200,000 100.0 4,831 0.96 24.16 MONMOUTH COUNTY, NEW JERSEY NEPTUNE 3600 Route 66............................. 1989 180,000 100.0 2,410 0.48 13.39 WALL TOWNSHIP 1305 Campus Parkway....................... 1988 23,350 92.4 445 0.09 20.63 1350 Campus Parkway....................... 1990 79,747 99.9 1,446 0.29 18.15 MORRIS COUNTY, NEW JERSEY FLORHAM PARK 325 Columbia Turnpike..................... 1987 168,144 100.0 4,255 0.85 25.31 MORRIS PLAINS 250 Johnson Road.......................... 1977 75,000 100.0 1,552 0.31 20.69 201 Littleton Road........................ 1979 88,369 80.3 1,948 0.39 27.45 MORRIS TOWNSHIP 340 Mt. Kemble Avenue..................... 1985 387,000 100.0 5,530 1.10 14.29 PARSIPPANY 4 Campus Drive (e)........................ 1983 147,475 86.8 3,508 0.70 27.41 6 Campus Drive (e)........................ 1983 148,291 98.4 3,792 0.76 25.99 7 Campus Drive............................ 1982 154,395 100.0 2,299 0.46 14.89 8 Campus Drive............................ 1987 215,265 100.0 5,632 1.12 26.16 2 Dryden Way.............................. 1990 6,216 100.0 70 0.01 11.26 4 Gatehall Drive.......................... 1988 248,480 97.2 5,759 1.15 23.84 2 Hilton Court............................ 1991 181,592 100.0 4,745 0.95 26.13 600 Parsippany Road....................... 1978 96,000 100.0 2,025 0.40 21.09 1 Sylvan Way.............................. 1989 150,557 100.0 3,515 0.70 23.35

================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 54 PROPERTY LISTING OFFICE PROPERTIES (CONTINUED)

PERCENTAGE OF TOTAL 2001 PERCENTAGE OFFICE, 2001 NET LEASED 2001 OFFICE/FLEX AVERAGE RENTABLE AS OF BASE AND INDUSTRIAL/ BASE RENT PROPERTY YEAR AREA 6/30/01 RENT WAREHOUSE PER SQ. FT. LOCATION BUILT (SQ. FT.) (%)(a) ($000)(b)(c) BASE RENT(%) ($)(c)(d) - ------------------------------------------------------------------------------------------------------------------------------------ 5 Sylvan Way...................... 1989 151,383 100.0 3,753 0.75 24.79 7 Sylvan Way...................... 1987 145,983 100.0 2,922 0.58 20.02 PASSAIC COUNTY, NEW JERSEY CLIFTON 777 Passaic Avenue................ 1983 75,000 95.2 1,177 0.23 16.48 TOTOWA 999 Riverview Drive............... 1988 56,066 100.0 1,014 0.20 18.09 WAYNE 201 Willowbrook Boulevard......... 1970 178,329 99.0 2,791 0.56 15.81 SOMERSET COUNTY, NEW JERSEY BASKING RIDGE 222 Mt. Airy Road................. 1986 49,000 100.0 745 0.15 15.20 233 Mt. Airy Road................. 1987 66,000 100.0 1,038 0.21 15.73 BERNARDS 106 Allen Road (e)................ 2000 132,010 72.5 1,560 0.31 24.85 (f) BRIDGEWATER 721 Route 202/206................. 1989 192,741 100.0 4,463 0.89 23.16 UNION COUNTY, NEW JERSEY CLARK 100 Walnut Avenue................. 1985 182,555 98.4 4,594 0.92 25.57 CRANFORD 6 Commerce Drive.................. 1973 56,000 93.0 1,041 0.21 19.99 11 Commerce Drive (c)............. 1981 90,000 93.2 1,022 0.20 12.18 12 Commerce Drive................. 1967 72,260 96.3 636 0.13 9.14 20 Commerce Drive................. 1990 176,600 100.0 4,257 0.85 24.11 65 Jackson Drive.................. 1984 82,778 100.0 1,648 0.33 19.91 NEW PROVIDENCE 890 Mountain Road................. 1977 80,000 100.0 2,585 0.51 32.31 - ------------------------------------------------------------------------------------------------------------------------------------ TOTAL NEW JERSEY OFFICE 11,946,575 98.1 (g) 243,995 48.63 20.81 - ------------------------------------------------------------------------------------------------------------------------------------ DUTCHESS COUNTY, NEW YORK FISHKILL 300 South Lake Drive.............. 1987 118,727 93.9 2,194 0.44 19.68 NASSAU COUNTY, NEW YORK NORTH HEMPSTEAD 600 Community Drive............... 1983 237,274 100.0 5,198 1.04 21.91 111 East Shore Road............... 1980 55,575 100.0 1,518 0.30 27.31 ROCKLAND COUNTY, NEW YORK SUFFERN 400 Rella Boulevard............... 1988 180,000 100.0 3,655 0.73 20.31

================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 55 PROPERTY LISTING OFFICE PROPERTIES (CONTINUED)

PERCENTAGE OF TOTAL 2001 PERCENTAGE OFFICE, 2001 NET LEASED 2001 OFFICE/FLEX AVERAGE RENTABLE AS OF BASE AND INDUSTRIAL/ BASE RENT PROPERTY YEAR AREA 6/30/01 RENT WAREHOUSE PER SQ. FT. LOCATION BUILT (SQ. FT.) (%)(a) ($000)(b)(c) BASE RENT(%) ($)(c)(d) - ------------------------------------------------------------------------------------------------------------------------------------ WESTCHESTER COUNTY, NEW YORK ELMSFORD 100 Clearbrook Road (c)........... 1975 60,000 99.0 909 0.18 15.30 101 Executive Boulevard........... 1971 50,000 83.8 943 0.19 22.51 555 Taxter Road................... 1986 170,554 100.0 4,069 0.81 23.86 565 Taxter Road................... 1988 170,554 90.3 3,508 0.70 22.78 570 Taxter Road................... 1972 75,000 97.1 1,535 0.31 21.08 HAWTHORNE 30 Saw Mill River Road............ 1982 248,400 100.0 4,839 0.96 19.48 1 Skyline Drive................... 1980 20,400 99.0 357 0.07 17.68 2 Skyline Drive................... 1987 30,000 98.9 479 0.10 16.14 7 Skyline Drive................... 1987 109,000 100.0 2,222 0.44 20.39 17 Skyline Drive.................. 1989 85,000 100.0 1,294 0.26 15.22 TARRYTOWN 200 White Plains Road............. 1982 89,000 77.0 1,662 0.33 24.25 220 White Plains Road............. 1984 89,000 99.4 2,055 0.41 23.23 WHITE PLAINS 1 Barker Avenue................... 1975 68,000 97.2 1,623 0.32 24.56 3 Barker Avenue................... 1983 65,300 93.3 1,329 0.26 21.81 50 Main Street.................... 1985 309,000 99.8 7,873 1.57 25.53 11 Martine Avenue................. 1987 180,000 100.0 4,502 0.90 25.01 1 Water Street.................... 1979 45,700 99.8 1,074 0.21 23.55 YONKERS 1 Executive Boulevard............. 1982 112,000 100.0 2,439 0.49 21.78 3 Executive Plaza................. 1987 58,000 100.0 1,421 0.28 24.50 - ------------------------------------------------------------------------------------------------------------------------------------ TOTAL NEW YORK OFFICE 2,626,484 97.6 56,698 11.30 22.12 - ------------------------------------------------------------------------------------------------------------------------------------ CHESTER COUNTY, PENNSYLVANIA BERWYN 1000 Westlakes Drive.............. 1989 60,696 93.6 1,514 0.30 26.65 1055 Westlakes Drive.............. 1990 118,487 52.0 1,515 0.30 24.59 1205 Westlakes Drive.............. 1988 130,265 83.7 2,811 0.56 25.78 1235 Westlakes Drive.............. 1986 134,902 100.0 3,297 0.66 24.44 DELAWARE COUNTY, PENNSYLVANIA LESTER 100 Stevens Drive................. 1986 95,000 100.0 2,443 0.49 25.72 200 Stevens Drive................. 1987 208,000 100.0 5,274 1.05 25.36 300 Stevens Drive................. 1992 68,000 99.2 1,559 0.31 23.11 MEDIA 1400 Providence Road - Center I... 1986 100,000 95.4 1,827 0.36 19.15 1400 Providence Road - Center II.. 1990 160,000 71.9 2,792 0.56 24.27

================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 56 PROPERTY LISTING OFFICE PROPERTIES (CONTINUED)

PERCENTAGE OF TOTAL 2001 PERCENTAGE OFFICE, 2001 NET LEASED 2001 OFFICE/FLEX AVERAGE RENTABLE AS OF BASE AND INDUSTRIAL/ BASE RENT PROPERTY YEAR AREA 6/30/01 RENT WAREHOUSE PER SQ. FT. LOCATION BUILT (SQ. FT.) (%)(a) ($000)(b)(c) BASE RENT(%) ($)(c)(d) - ------------------------------------------------------------------------------------------------------------------------------------ MONTGOMERY COUNTY, PENNSYLVANIA LOWER PROVIDENCE 1000 Madison Avenue............... 1990 100,700 86.4 1,761 0.35 20.24 PLYMOUTH MEETING 1150 Plymouth Meeting Mall........ 1970 167,748 95.7 2,772 0.55 17.27 Five Sentry Parkway East.......... 1984 91,600 100.0 1,501 0.30 16.39 Five Sentry Parkway West.......... 1984 38,400 100.0 763 0.15 19.87 - ------------------------------------------------------------------------------------------------------------------------------------ TOTAL PENNSYLVANIA OFFICE 1,473,798 89.6 29,829 5.94 22.58 - ------------------------------------------------------------------------------------------------------------------------------------ FAIRFIELD COUNTY, CONNECTICUT GREENWICH 500 West Putnam Avenue............ 1973 121,250 96.0 3,038 0.61 26.10 NORWALK 40 Richards Avenue................ 1985 145,487 90.6 3,278 0.65 24.87 SHELTON 1000 Bridgeport Avenue............ 1986 133,000 100.0 2,430 0.48 18.27 - ------------------------------------------------------------------------------------------------------------------------------------ TOTAL CONNECTICUT OFFICE 399,737 95.4 8,746 1.74 22.94 - ------------------------------------------------------------------------------------------------------------------------------------ WASHINGTON, D.C. 1201 Connecticut Avenue, NW....... 1940 169,549 100.0 5,564 1.11 32.82 1400 L Street, NW................. 1987 159,000 100.0 6,185 1.23 38.90 1709 New York Avenue, NW.......... 1972 166,000 100.0 7,348 1.46 44.27 - ------------------------------------------------------------------------------------------------------------------------------------ TOTAL DISTRICT OF COLUMBIA OFFICE 494,549 100.0 19,097 3.80 38.61 - ------------------------------------------------------------------------------------------------------------------------------------ PRINCE GEORGE'S COUNTY, MARYLAND LANHAM 4200 Parliament Place............. 1989 122,000 96.0 2,436 0.49 20.80 - ------------------------------------------------------------------------------------------------------------------------------------ TOTAL MARYLAND OFFICE 122,000 96.0 2,436 0.49 20.80 - ------------------------------------------------------------------------------------------------------------------------------------ BEXAR COUNTY, TEXAS SAN ANTONIO 200 Concord Plaza Drive........... 1986 248,700 97.4 4,532 0.90 18.71 84 N.E. Loop 410.................. 1971 187,312 90.9 2,580 0.51 15.15 111 Soledad....................... 1918 248,153 51.5 2,590 0.51 20.27 COLLIN COUNTY, TEXAS PLANO 555 Republic Place................ 1986 97,889 94.6 1,304 0.26 14.08

================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 57 PROPERTY LISTING OFFICE PROPERTIES (CONTINUED)

PERCENTAGE OF TOTAL 2001 PERCENTAGE OFFICE, 2001 NET LEASED 2001 OFFICE/FLEX AVERAGE RENTABLE AS OF BASE AND INDUSTRIAL/ BASE RENT PROPERTY YEAR AREA 6/30/01 RENT WAREHOUSE PER SQ. FT. LOCATION BUILT (SQ. FT.) (%)(a) ($000)(b)(c) BASE RENT(%) ($)(c)(d) - ------------------------------------------------------------------------------------------------------------------------------------ DALLAS COUNTY, TEXAS DALLAS 3030 LBJ Freeway (c).............. 1984 367,018 92.4 6,820 1.36 20.11 3100 Monticello................... 1984 173,837 94.6 2,853 0.57 17.35 8214 Westchester.................. 1983 95,509 75.8 1,246 0.25 17.21 IRVING 2300 Valley View.................. 1985 142,634 99.1 2,302 0.46 16.29 RICHARDSON 1122 Alma Road.................... 1977 82,576 100.0 607 0.12 7.35 HARRIS COUNTY, TEXAS HOUSTON 5225 Katy Freeway................. 1983 112,213 97.0 1,561 0.31 14.34 5300 Memorial..................... 1982 155,099 79.0 2,163 0.43 17.65 1717 St. James Place.............. 1975 109,574 93.6 1,420 0.28 13.85 1770 St. James Place.............. 1973 103,689 86.4 1,290 0.26 14.40 10497 Town & Country Way.......... 1981 148,434 81.7 1,731 0.34 14.27 TARRANT COUNTY, TEXAS EULESS 150 West Parkway.................. 1984 74,429 95.9 1,063 0.21 14.89 - ------------------------------------------------------------------------------------------------------------------------------------ TOTAL TEXAS OFFICE 2,347,066 87.3 34,062 6.77 16.62 - ------------------------------------------------------------------------------------------------------------------------------------ MARICOPA COUNTY, ARIZONA GLENDALE 5551 West Talavi Boulevard........ 1991 181,596 100.0 1,730 0.34 9.53 PHOENIX 19640 North 31st Street........... 1990 124,171 100.0 1,599 0.32 12.88 SCOTTSDALE 9060 E. Via Linda Boulevard....... 1984 111,200 100.0 2,417 0.48 21.74 - ------------------------------------------------------------------------------------------------------------------------------------ TOTAL ARIZONA OFFICE 416,967 100.0 5,746 1.14 13.78 - ------------------------------------------------------------------------------------------------------------------------------------ ARAPAHOE COUNTY, COLORADO AURORA 750 South Richfield Street........ 1997 108,240 100.0 2,911 0.58 26.89

================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 58 PROPERTY LISTING OFFICE PROPERTIES (CONTINUED)

PERCENTAGE OF TOTAL 2001 PERCENTAGE OFFICE, 2001 NET LEASED 2001 OFFICE/FLEX AVERAGE RENTABLE AS OF BASE AND INDUSTRIAL/ BASE RENT PROPERTY YEAR AREA 6/30/01 RENT WAREHOUSE PER SQ. FT. LOCATION BUILT (SQ. FT.) (%)(a) ($000)(b)(c) BASE RENT (%) ($)(c)(d) - -------------------------------------------------------------------------------------------------------------------------- DENVER 400 South Colorado Boulevard......... 1983 125,415 98.6 2,244 0.45 18.15 ENGLEWOOD 9359 East Nichols Avenue............. 1997 72,610 100.0 903 0.18 12.44 5350 South Roslyn Street............. 1982 63,754 100.0 1,089 0.22 17.08 BOULDER COUNTY, COLORADO BROOMFIELD 105 South Technology Court........... 1997 37,574 100.0 553 0.11 14.72 303 South Technology Court-A......... 1997 34,454 100.0 402 0.08 11.67 303 South Technology Court-B......... 1997 40,416 100.0 471 0.09 11.65 LOUISVILLE 248 Centennial Parkway............... 1996 39,266 100.0 638 0.13 16.25 1172 Century Drive................... 1996 49,566 100.0 505 0.10 10.19 285 Century Place.................... 1997 69,145 100.0 1,087 0.22 15.72 DENVER COUNTY, COLORADO DENVER 3600 South Yosemite.................. 1974 133,743 100.0 1,285 0.26 9.61 DOUGLAS COUNTY, COLORADO ENGLEWOOD 8181 East Tufts Avenue (e)........... 2001 185,254 66.9 3,143 0.63 25.36 400 Inverness Drive.................. 1997 111,608 98.7 2,650 0.53 24.06 67 Inverness Drive East.............. 1996 54,280 100.0 662 0.13 12.20 384 Inverness Drive South............ 1985 51,523 77.6 835 0.17 20.88 5975 South Quebec Street............. 1996 102,877 99.8 2,379 0.47 23.17 PARKER 9777 Mount Pyramid Court............. 1995 120,281 100.0 1,323 0.26 11.00 EL PASO COUNTY, COLORADO COLORADO SPRINGS 8415 Explorer........................ 1998 47,368 100.0 617 0.12 13.03 1975 Research Parkway................ 1997 115,250 100.0 1,871 0.37 16.23 2375 Telstar Drive................... 1998 47,369 100.0 616 0.12 13.00 JEFFERSON COUNTY, COLORADO LAKEWOOD 141 Union Boulevard.................. 1985 63,600 100.0 1,138 0.23 17.89 - -------------------------------------------------------------------------------------------------------------------------- TOTAL COLORADO OFFICE 1,673,593 99.0(g) 27,322 5.45 16.49 - -------------------------------------------------------------------------------------------------------------------------- SAN FRANCISCO COUNTY, CALIFORNIA SAN FRANCISCO 795 Folsom Street.................... 1977 183,445 100.0 6,772 1.35 36.92 760 Market Street.................... 1908 267,446 95.4 8,440 1.68 33.08 - -------------------------------------------------------------------------------------------------------------------------- TOTAL CALIFORNIA OFFICE 450,891 97.3 15,212 3.03 34.68 - --------------------------------------------------------------------------------------------------------------------------

================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 59 PROPERTY LISTING OFFICE PROPERTIES (CONTINUED)

PERCENTAGE OF TOTAL 2001 PERCENTAGE OFFICE, 2001 NET LEASED 2001 OFFICE/FLEX AVERAGE RENTABLE AS OF BASE AND INDUSTRIAL/ BASE RENT PROPERTY YEAR AREA 6/30/01 RENT WAREHOUSE PER SQ. FT. LOCATION BUILT (SQ. FT.) (%)(a) ($000)(b)(c) BASE RENT (%) ($)(c)(d) - -------------------------------------------------------------------------------------------------------------------------- HILLSBOROUGH COUNTY, FLORIDA TAMPA 501 Kennedy Boulevard................ 1982 297,429 91.4 3,765 0.75 13.85 - -------------------------------------------------------------------------------------------------------------------------- TOTAL FLORIDA OFFICE 297,429 91.4 3,765 0.75 13.85 - -------------------------------------------------------------------------------------------------------------------------- POLK COUNTY, IOWA WEST DES MOINES 2600 Westown Parkway................. 1988 72,265 98.9 1,103 0.22 15.43 - -------------------------------------------------------------------------------------------------------------------------- TOTAL IOWA OFFICE 72,265 98.9 1,103 0.22 15.43 - -------------------------------------------------------------------------------------------------------------------------- TOTAL OFFICE PROPERTIES 22,321,354 96.3(g) 448,011 89.26 20.84 ==========================================================================================================================

================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 60 PROPERTY LISTING OFFICE/FLEX PROPERTIES

PERCENTAGE OF TOTAL 2001 PERCENTAGE OFFICE, 2001 NET LEASED 2001 OFFICE/FLEX AVERAGE RENTABLE AS OF BASE AND INDUSTRIAL/ BASE RENT PROPERTY YEAR AREA 6/30/01 RENT WAREHOUSE PER SQ. FT. LOCATION BUILT (SQ. FT.) (%)(a) ($000)(b)(c) BASE RENT (%) ($)(c)(d) - -------------------------------------------------------------------------------------------------------------------------- BURLINGTON COUNTY, NEW JERSEY BURLINGTON 3 Terri Lane......................... 1991 64,500 52.4 337 0.07 9.97 5 Terri Lane......................... 1992 74,555 82.2 471 0.09 7.69 MOORESTOWN 2 Commerce Drive..................... 1986 49,000 100.0 363 0.07 7.41 101 Commerce Drive................... 1988 64,700 100.0 336 0.06 5.19 102 Commerce Drive................... 1987 38,400 87.5 185 0.04 5.51 201 Commerce Drive................... 1986 38,400 100.0 200 0.04 5.21 202 Commerce Drive................... 1988 51,200 100.0 268 0.05 5.23 1 Executive Drive.................... 1989 20,570 100.0 203 0.04 9.87 2 Executive Drive ................... 1988 60,800 81.6 429 0.09 8.65 101 Executive Drive.................. 1990 29,355 100.0 194 0.04 6.61 102 Executive Drive.................. 1990 64,000 87.5 334 0.07 5.96 225 Executive Drive.................. 1990 50,600 86.2 319 0.06 7.31 97 Foster Road....................... 1982 43,200 100.0 188 0.04 4.35 1507 Lancer Drive.................... 1995 32,700 100.0 139 0.03 4.25 1510 Lancer Drive.................... 1998 88,000 100.0 370 0.07 4.20 1245 North Church Street(e).......... 1998 52,810 100.0 382 0.08 7.24 1247 North Church Street(e).......... 1998 52,790 100.0 468 0.09 8.86 1256 North Church Street............. 1984 63,495 100.0 185 0.04 2.91 840 North Lenola Road................ 1995 38,300 82.6 237 0.05 7.49 844 North Lenola Road................ 1995 28,670 100.0 215 0.04 7.50 915 North Lenola Road (e)............ 1998 52,488 100.0 283 0.06 5.39 2 Twosome Drive (e) ................. 2000 48,600 100.0 399 0.08 8.21 30 Twosome Drive..................... 1997 39,675 100.0 225 0.04 5.67 31 Twosome Drive (e)................. 1998 84,200 100.0 446 0.09 5.29 40 Twosome Drive..................... 1996 40,265 93.4 217 0.04 5.77 41 Twosome Drive (e)................. 1998 43,050 100.0 317 0.06 7.36 50 Twosome Drive..................... 1997 34,075 100.0 259 0.05 7.60 WEST DEPTFORD 1451 Metropolitan Drive.............. 1996 21,600 100.0 148 0.03 6.85 MERCER COUNTY, NEW JERSEY HAMILTON TOWNSHIP 100 Horizon Drive.................... 1989 13,275 100.0 142 0.03 10.70 200 Horizon Drive.................... 1991 45,770 100.0 495 0.10 10.81 300 Horizon Drive.................... 1989 69,780 100.0 928 0.19 13.31 500 Horizon Drive.................... 1990 41,205 100.0 276 0.05 6.70

================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 61 PROPERTY LISTING OFFICE/FLEX PROPERTIES (CONTINUED)

PERCENTAGE OF TOTAL 2001 PERCENTAGE OFFICE, 2001 NET LEASED 2001 OFFICE/FLEX AVERAGE RENTABLE AS OF BASE AND INDUSTRIAL/ BASE RENT PROPERTY YEAR AREA 6/30/01 RENT WAREHOUSE PER SQ. FT. LOCATION BUILT (SQ. FT.) (%)(a) ($000)(b)(c) BASE RENT (%) ($)(c)(d) - -------------------------------------------------------------------------------------------------------------------------- MONMOUTH COUNTY, NEW JERSEY WALL TOWNSHIP 1325 Campus Parkway.................. 1988 35,000 100.0 489 0.10 13.97 1340 Campus Parkway.................. 1992 72,502 100.0 831 0.16 11.46 1345 Campus Parkway.................. 1995 76,300 100.0 720 0.14 9.44 1433 Highway 34...................... 1985 69,020 91.0 694 0.14 11.05 1320 Wyckoff Avenue.................. 1986 20,336 100.0 176 0.04 8.65 1324 Wyckoff Avenue.................. 1987 21,168 100.0 205 0.04 9.68 PASSAIC COUNTY, NEW JERSEY TOTOWA 1 Center Court....................... 1999 38,961 100.0 191 0.04 4.90 2 Center Court....................... 1998 30,600 99.3 348 0.07 11.45 11 Commerce Way...................... 1989 47,025 100.0 518 0.10 11.02 20 Commerce Way...................... 1992 42,540 75.9 421 0.08 13.04 29 Commerce Way...................... 1990 48,930 56.5 404 0.08 14.61 40 Commerce Way...................... 1987 50,576 100.0 498 0.10 9.85 45 Commerce Way...................... 1992 51,207 100.0 500 0.10 9.76 60 Commerce Way...................... 1988 50,333 100.0 508 0.10 10.09 80 Commerce Way...................... 1996 22,500 100.0 283 0.06 12.58 100 Commerce Way..................... 1996 24,600 100.0 310 0.06 12.60 120 Commerce Way..................... 1994 9,024 100.0 87 0.02 9.64 140 Commerce Way..................... 1994 26,881 99.5 261 0.05 9.76 - -------------------------------------------------------------------------------------------------------------------------- TOTAL NEW JERSEY OFFICE/FLEX 2,277,531 94.6 17,402 3.46 8.07 - -------------------------------------------------------------------------------------------------------------------------- WESTCHESTER COUNTY, NEW YORK ELMSFORD 11 Clearbrook Road................... 1974 31,800 100.0 344 0.07 10.82 75 Clearbrook Road................... 1990 32,720 100.0 815 0.16 24.91 150 Clearbrook Road.................. 1975 74,900 100.0 1,041 0.21 13.90 175 Clearbrook Road.................. 1973 98,900 98.5 1,466 0.29 15.05 200 Clearbrook Road.................. 1974 94,000 99.8 1,208 0.24 12.88 250 Clearbrook Road.................. 1973 155,000 94.5 1,334 0.27 9.11 50 Executive Boulevard............... 1969 45,200 75.8 329 0.07 9.60 77 Executive Boulevard............... 1977 13,000 55.4 116 0.02 16.11 85 Executive Boulevard............... 1968 31,000 99.4 417 0.08 13.53 300 Executive Boulevard.............. 1970 60,000 99.7 618 0.12 10.33 350 Executive Boulevard.............. 1970 15,400 98.8 247 0.05 16.23 399 Executive Boulevard.............. 1962 80,000 100.0 968 0.19 12.10 400 Executive Boulevard.............. 1970 42,200 99.8 648 0.13 15.39 500 Executive Boulevard.............. 1970 41,600 100.0 629 0.13 15.12 525 Executive Boulevard.............. 1972 61,700 100.0 934 0.19 15.14 1 Westchester Plaza.................. 1967 25,000 100.0 309 0.06 12.36

================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 62 PROPERTY LISTING OFFICE/FLEX PROPERTIES (CONTINUED)

PERCENTAGE OF TOTAL 2001 PERCENTAGE OFFICE, 2001 NET LEASED 2001 OFFICE/FLEX AVERAGE RENTABLE AS OF BASE AND INDUSTRIAL/ BASE RENT PROPERTY YEAR AREA 6/30/01 RENT WAREHOUSE PER SQ. FT. LOCATION BUILT (SQ. FT.) (%)(a) ($000)(b)(c) BASE RENT (%) ($)(c)(d) - -------------------------------------------------------------------------------------------------------------------------- 2 Westchester Plaza.................. 1968 25,000 100.0 449 0.09 17.96 3 Westchester Plaza.................. 1969 93,500 100.0 1,305 0.26 13.96 4 Westchester Plaza.................. 1969 44,700 99.8 629 0.13 14.10 5 Westchester Plaza.................. 1969 20,000 90.1 293 0.06 16.26 6 Westchester Plaza.................. 1968 20,000 100.0 305 0.06 15.25 7 Westchester Plaza.................. 1972 46,200 100.0 650 0.13 14.07 8 Westchester Plaza.................. 1971 67,200 97.2 864 0.17 13.23 HAWTHORNE 200 Saw Mill River Road.............. 1965 51,100 94.7 656 0.12 13.56 4 Skyline Drive...................... 1987 80,600 100.0 1,295 0.26 16.07 8 Skyline Drive...................... 1985 50,000 98.9 897 0.18 18.14 10 Skyline Drive..................... 1985 20,000 100.0 284 0.06 14.20 11 Skyline Drive..................... 1989 45,000 100.0 701 0.14 15.58 12 Skyline Drive..................... 1999 46,850 100.0 806 0.16 17.20 15 Skyline Drive..................... 1989 55,000 100.0 915 0.18 16.64 YONKERS 100 Corporate Boulevard.............. 1987 78,000 98.2 1,398 0.28 18.25 200 Corporate Boulevard South........ 1990 84,000 99.8 1,380 0.27 16.46 4 Executive Plaza.................... 1986 80,000 98.7 976 0.19 12.36 6 Executive Plaza.................... 1987 80,000 100.0 1,161 0.23 14.51 1 Odell Plaza........................ 1980 106,000 87.7 1,198 0.24 12.89 5 Odell Plaza........................ 1983 38,400 99.6 565 0.11 14.77 7 Odell Plaza........................ 1984 42,600 99.6 651 0.13 15.34 - -------------------------------------------------------------------------------------------------------------------------- TOTAL NEW YORK OFFICE/FLEX 2,076,570 97.6 28,801 5.73 14.22 - -------------------------------------------------------------------------------------------------------------------------- FAIRFIELD COUNTY, CONNECTICUT STAMFORD 419 West Avenue...................... 1986 88,000 94.0 1,456 0.29 17.60 500 West Avenue...................... 1988 25,000 100.0 453 0.09 18.12 550 West Avenue...................... 1990 54,000 100.0 785 0.16 14.54 600 West Avenue...................... 1999 66,000 100.0 826 0.16 12.52 650 West Avenue...................... 1998 40,000 100.0 555 0.11 13.88 - -------------------------------------------------------------------------------------------------------------------------- TOTAL CONNECTICUT OFFICE/FLEX 273,000 98.1 4,075 0.81 15.22 - -------------------------------------------------------------------------------------------------------------------------- TOTAL OFFICE/FLEX PROPERTIES 4,627,101 96.1 50,278 10.00 11.30 ==========================================================================================================================

================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 63 PROPERTY LISTING INDUSTRIAL WAREHOUSE PROPERTIES

PERCENTAGE OF TOTAL 2001 PERCENTAGE OFFICE, 2001 NET LEASED 2001 OFFICE/FLEX AVERAGE RENTABLE AS OF BASE AND INDUSTRIAL/ BASE RENT PROPERTY YEAR AREA 6/30/01 RENT WAREHOUSE PER SQ. FT. LOCATION BUILT (SQ. FT.) (%)(a) ($000)(b)(c) BASE RENT (%) ($)(c)(d) - -------------------------------------------------------------------------------------------------------------------------- WESTCHESTER COUNTY, NEW YORK ELMSFORD 1 Warehouse Lane..................... 1957 6,600 100.0 63 0.01 9.55 2 Warehouse Lane..................... 1957 10,900 96.3 139 0.03 13.24 3 Warehouse Lane..................... 1957 77,200 100.0 290 0.06 3.76 4 Warehouse Lane..................... 1957 195,500 97.4 1,940 0.39 10.19 5 Warehouse Lane..................... 1957 75,100 89.3 778 0.15 11.60 6 Warehouse Lane..................... 1982 22,100 100.0 513 0.10 23.21 - -------------------------------------------------------------------------------------------------------------------------- TOTAL INDUSTRIAL/WAREHOUSE PROPERTIES 387,400 96.5 3,723 0.74 9.96 - -------------------------------------------------------------------------------------------------------------------------- TOTAL OFFICE, OFFICE/FLEX, AND INDUSTRIAL/WAREHOUSE PROPERTIES 27,335,855 96.3 502,012 100.0 19.06 ==========================================================================================================================

(a) Based on all leases in effect as of June 30, 2001. (b) Total base rent for 12 months ended June 30, 2001, determined in accordance with GAAP. Substantially all of the leases provide for annual base rents plus recoveries and escalation charges based upon the tenant's proportionate share of and/or increases in real estate taxes and certain operating costs, as defined, and the pass through of charges for electrical usage. (c) Excludes space leased by the Company. (d) Base rent for the 12 months ended June 30, 2001 divided by net rentable square feet leased at June 30, 2001. For those properties acquired or placed in service during the 12 months ended June 30, 2001, amounts are annualized. (e) As this property was acquired or placed in service by the Company during the 12 months ended June 30, 2001, the amounts represented for base rent are annualized. These annualized amounts may not be indicative of the property's results had the Company owned or placed such property in service for the entire 12 months ended June 30, 2001. (f) Calculation based on square feet in service as of June 30, 2001. (g) Weighted average percent leased excludes in-service development properties in lease-up. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 64 SIGNIFICANT TENANTS The following table sets forth a schedule of the Company's 20 largest tenants for the Consolidated Properties as of June 30, 2001, based upon annualized base rents:

PERCENTAGE OF ANNUALIZED COMPANY SQUARE PERCENTAGE YEAR OF NUMBER OF BASE RENTAL ANNUALIZED BASE FEET TOTAL COMPANY LEASE PROPERTIES REVENUE($)(a) RENTAL REVENUE(%) LEASED LEASED SQ. FT.(%) EXPIRATION - ------------------------------------------------------------------------------------------------------------------------------- AT&T Wireless Services 2 8,527,197 1.7 395,955 1.5 2007(b) Donaldson, Lufkin & Jenrette Securities Corp. 1 8,316,096 1.7 271,953 1.1 2011 Keystone Mercy Health Plan 3 7,429,219 1.5 325,843 1.3 2015(c) AT&T Corporation 2 7,268,746 1.5 450,278 1.8 2009(d) Prentice-Hall Inc. 1 6,744,495 1.4 474,801 1.8 2014 IBM Corporation 3 6,390,275 1.3 361,688 1.4 2007(e) Nabisco Inc. 3 6,066,357 1.2 340,746 1.3 2006(f) Toys 'R' Us - NJ, Inc. 1 5,342,672 1.1 242,518 0.9 2012 Waterhouse Securities, Inc. 1 5,253,555 1.0 184,222 0.7 2015 American Institute of Certified Public Accountants 1 4,981,357 1.0 249,768 1.0 2012 CMP Media Inc. 1 4,817,298 1.0 237,274 0.9 2014 Allstate Insurance Company 9 4,741,327 1.0 224,321 0.9 2009(g) Board of Gov./Federal Reserve 1 4,738,824 0.9 117,008 0.5 2009(h) Prudential Insurance Co. 4 4,627,370 0.9 183,653 0.7 2005(i) Winston & Strawn 1 4,390,930 0.9 108,100 0.4 2003 Dean Witter Trust Company 1 4,319,507 0.9 221,019 0.9 2008 KPMG Peat Marwick, LLP 2 3,824,080 0.8 161,760 0.6 2007(j) Move.com Operations, Inc. 1 3,796,680 0.8 94,917 0.4 2006 Regus Business Centre Corp. 3 3,680,880 0.7 107,805 0.4 2011(k) Bank of Tokyo - Mitsubishi Ltd. 1 3,378,924 0.7 137,076 0.5 2009 - ------------------------------------------------------------------------------------------------------------------------------- Totals 108,635,789 22.0 4,890,705 19.0 ===============================================================================================================================

(a) Annualized base rental revenue is based on actual June 2001 billings times 12. For leases whose rent commences after July 1, 2001, annualized base rental revenue is based on the first full month's billing times 12. As annualized base rental revenue is not derived from historical GAAP results, historical results may differ from those set forth above. (b) 12,150 square feet expire September 2004; 345,799 square feet expire March 2007; 38,006 square feet expire June 2007. (c) 22,694 square feet expire January 2003; 303,149 square feet expire April 2015. (d) 63,278 square feet expire May 2004; 387,000 square feet expire January 2009. (e) 28,289 square feet expire January 2002; 85,000 square feet expire December 2005; 248,399 square feet expire December 2007. (f) 300,378 square feet expire December 2005; 40,368 square feet expire March 2006. (g) 18,882 square feet expire April 2003; 4,398 square feet expire January 2004; 36,305 square feet expire January 2005; 23,024 square feet expire October 2005; 22,444 square feet expire July 2006; 6,108 square feet expire August 2006; 70,517 square feet expire June 2007; 31,143 square feet expire April 2008; 11,500 square feet expire April 2009. (h) 94,719 square feet expire May 2005; 22,289 square feet expire July 2009. (i) 24,867 square feet expire July 2001; 55,219 square feet expire July 2002; 25,520 square feet expire September 2002; 11,451 square feet expire November 2002; 66,596 square feet expire May 2005. (j) 104,556 square feet expire September 2002; 57,204 square feet expire July 2007. (k) 28,000 square feet expire January 2011; 38,930 square feet expire April 2011; 40,875 square feet expire September 2011. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 65 SCHEDULE OF LEASE EXPIRATIONS ALL CONSOLIDATED PROPERTIES The following table sets forth a schedule of the lease expirations for the total of the Company's office, office/flex, industrial/warehouse and stand-alone retail properties, included in the Consolidated Properties, beginning July 1, 2001, assuming that none of the tenants exercise renewal options:

AVERAGE ANNUAL PERCENTAGE OF RENT PER NET NET RENTABLE TOTAL LEASED ANNUALIZED RENTABLE PERCENTAGE OF AREA SUBJECT SQUARE FEET BASE RENTAL SQUARE FOOT ANNUAL BASE NUMBER OF TO EXPIRING REPRESENTED BY REVENUE UNDER REPRESENTED RENT UNDER YEAR OF LEASES LEASES EXPIRING EXPIRING BY EXPIRING EXPIRING EXPIRATION EXPIRING(a) (SQ. FT.) LEASES(%)(b) LEASES($)(c) LEASES($) LEASES(%) - ---------------------------------------------------------------------------------------------------------------------- 2001 233 1,316,948 5.1 23,451,284 17.81 4.7 2002 518 3,117,644 12.1 55,920,090 17.94 11.3 2003 513 3,935,193 15.3 70,474,077 17.91 14.2 2004 389 2,420,767 9.4 45,844,230 18.94 9.2 2005 352 3,116,725 12.1 61,883,444 19.86 12.5 2006 280 2,647,850 10.3 53,165,545 20.08 10.7 2007 103 1,769,706 6.9 36,928,955 20.87 7.4 2008 75 1,355,391 5.2 23,564,766 17.39 4.8 2009 48 1,174,723 4.5 22,813,014 19.42 4.6 2010 81 1,185,454 4.6 23,305,464 19.66 4.7 2011 43 1,127,720 4.4 27,637,838 24.51 5.6 2012 and thereafter 49 2,593,668 10.1 50,993,473 19.66 10.3 - ---------------------------------------------------------------------------------------------------------------------- Totals/Weighted Average 2,684 25,761,789(d) 100.0 495,982,180 19.25 100.0 ======================================================================================================================

(a) Includes office, office/flex, industrial/warehouse and stand-alone retail property tenants only. Excludes leases for amenity, retail, parking and month-to-month tenants. Some tenants have multiple leases. (b) Excludes all unleased space as of June 30, 2001. (c) Annualized base rental revenue is based on actual June 2001 billings times 12. For leases whose rent commences after July 1, 2001, annualized base rental revenue is based on the first full month's billing times 12. As annualized base rental revenue is not derived from historical GAAP results, historical results may differ from those set forth above. (d) Reconciliation to Company's total net rentable square footage is as follows:

SQUARE FEET ----------- Square footage leased to commercial tenants 25,761,789 Square footage used for corporate offices, management offices, building use, retail tenants, food services, other ancillary service tenants and occupancy adjustments 428,886 Square footage unleased 1,162,480 ---------- Total net rentable square footage (does not include residential, land lease, retail or not-in-service properties) 27,353,155 ==========

================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 66 SCHEDULE OF LEASE EXPIRATIONS OFFICE PROPERTIES The following table sets forth a schedule of the lease expirations for the office properties beginning July 1, 2001, assuming that none of the tenants exercise renewal options:

AVERAGE ANNUAL PERCENTAGE OF RENT PER NET NET RENTABLE TOTAL LEASED ANNUALIZED RENTABLE PERCENTAGE OF AREA SUBJECT SQUARE FEET BASE RENTAL SQUARE FOOT ANNUAL BASE NUMBER OF TO EXPIRING REPRESENTED BY REVENUE UNDER REPRESENTED RENT UNDER YEAR OF LEASES LEASES EXPIRING EXPIRING BY EXPIRING EXPIRING EXPIRATION EXPIRING(a) (SQ. FT.) LEASES(%)(b) LEASES($)(c) LEASES($) LEASES(%) - ---------------------------------------------------------------------------------------------------------------------- 2001 194 1,030,709 4.9 20,709,938 20.09 4.7 2002 406 2,237,007 10.7 46,687,465 20.87 10.6 2003 422 3,212,263 15.3 63,353,534 19.72 14.4 2004 320 1,768,556 8.5 38,503,265 21.77 8.7 2005 290 2,567,985 12.3 55,650,981 21.67 12.6 2006 237 2,142,812 10.2 46,626,655 21.76 10.6 2007 94 1,620,220 7.7 34,892,321 21.54 7.9 2008 61 1,060,253 5.1 20,810,067 19.63 4.7 2009 31 1,001,302 4.8 20,517,168 20.49 4.6 2010 55 835,313 4.0 17,903,041 21.43 4.1 2011 39 1,058,779 5.1 26,707,932 25.23 6.1 2012 and thereafter 43 2,390,545 11.4 48,527,552 20.30 11.0 - ---------------------------------------------------------------------------------------------------------------------- Totals/Weighted Average 2,192 20,925,744 100.0 440,889,919 21.07 100.0 ======================================================================================================================

(a) Includes office tenants only. Excludes leases for amenity, retail, parking and month-to-month office tenants. Some tenants have multiple leases. (b) Excludes all unleased space as of June 30, 2001. (c) Annualized base rental revenue is based on actual June 2001 billings times 12. For leases whose rent commences after July 1, 2001, annualized base rental revenue is based on the first full month's billing times 12. As annualized base rental revenue is not derived from historical GAAP results, historical results may differ from those set forth above. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 67 SCHEDULE OF LEASE EXPIRATIONS OFFICE/FLEX PROPERTIES The following table sets forth a schedule of the lease expirations for the office/flex properties beginning July 1, 2001, assuming that none of the tenants exercise renewal options:

AVERAGE ANNUAL PERCENTAGE OF RENT PER NET NET RENTABLE TOTAL LEASED ANNUALIZED RENTABLE PERCENTAGE OF AREA SUBJECT SQUARE FEET BASE RENTAL SQUARE FOOT ANNUAL BASE NUMBER OF TO EXPIRING REPRESENTED BY REVENUE UNDER REPRESENTED RENT UNDER YEAR OF LEASES LEASES EXPIRING EXPIRING BY EXPIRING EXPIRING EXPIRATION EXPIRING(a) (SQ. FT.) LEASES(%)(b) LEASES($)(c) LEASES($) LEASES(%) - ---------------------------------------------------------------------------------------------------------------------- 2001 36 284,797 6.4 2,725,364 9.57 5.3 2002 109 831,197 18.7 8,695,873 10.46 17.1 2003 87 624,956 14.0 6,611,805 10.58 13.0 2004 58 442,791 10.0 4,845,465 10.94 9.5 2005 59 535,586 12.0 6,050,587 11.30 11.9 2006 43 505,038 11.4 6,538,890 12.95 12.8 2007 9 149,486 3.4 2,036,634 13.62 4.0 2008 14 295,138 6.6 2,754,699 9.33 5.4 2009 16 161,621 3.6 2,189,646 13.55 4.3 2010 26 350,141 7.9 5,402,423 15.43 10.6 2011 4 68,941 1.6 929,906 13.49 1.8 2012 and thereafter 5 195,123 4.4 2,200,921 11.28 4.3 - ---------------------------------------------------------------------------------------------------------------------- Totals/Weighted Average 466 4,444,815 100.0 50,982,213 11.47 100.0 ======================================================================================================================

(a) Includes office/flex tenants only. Excludes leases for amenity, retail, parking and month-to-month office/flex tenants. Some tenants have multiple leases. (b) Excludes all unleased space as of June 30, 2001. (c) Annualized base rental revenue is based on actual June 2001 billings times 12. For leases whose rent commences after July 1, 2001, annualized base rental revenue is based on the first full month's billing times 12. As annualized base rental revenue is not derived from historical GAAP results, historical results may differ from those set forth above. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 68 SCHEDULE OF LEASE EXPIRATIONS INDUSTRIAL/WAREHOUSE PROPERTIES The following table sets forth a schedule of the lease expirations for the industrial/warehouse properties beginning July 1, 2001, assuming that none of the tenants exercise renewal options:

AVERAGE ANNUAL PERCENTAGE OF RENT PER NET NET RENTABLE TOTAL LEASED ANNUALIZED RENTABLE PERCENTAGE OF AREA SUBJECT SQUARE FEET BASE RENTAL SQUARE FOOT ANNUAL BASE NUMBER OF TO EXPIRING REPRESENTED BY REVENUE UNDER REPRESENTED RENT UNDER YEAR OF LEASES LEASES EXPIRING EXPIRING BY EXPIRING EXPIRING EXPIRATION EXPIRING(a) (SQ. FT.) LEASES(%)(b) LEASES($)(c) LEASES($) LEASES(%) - ---------------------------------------------------------------------------------------------------------------------- 2001 3 1,442 0.4 15,982 11.08 0.5 2002 3 49,440 13.2 536,752 10.86 14.7 2003 4 97,974 26.2 508,738 5.19 13.9 2004 10 200,120 53.5 2,300,500 11.50 63.0 2005 3 13,154 3.5 181,876 13.83 5.0 2009 1 11,800 3.2 106,200 9.00 2.9 - ---------------------------------------------------------------------------------------------------------------------- Totals/Weighted Average 24 373,930 100.0 3,650,048 9.76 100.0 ======================================================================================================================

(a) Includes industrial/warehouse tenants only. Excludes leases for amenity, retail, parking and month-to-month industrial/warehouse tenants. Some tenants have multiple leases. (b) Excludes all unleased space as of June 30, 2001. (c) Annualized base rental revenue is based on actual June 2001 billings times 12. For leases whose rent commences after July 1, 2001, annualized base rent revenue is based on the first full month's billing times 12. As annualized base rental revenue is not derived from historical GAAP results, the historical results may differ from those set forth above. SCHEDULE OF LEASE EXPIRATIONS STAND-ALONE RETAIL PROPERTIES The following table sets forth a schedule of the lease expirations for the stand-alone retail properties beginning July 1, 2001, assuming that none of the tenants exercise renewal options:

AVERAGE ANNUAL PERCENTAGE OF RENT PER NET NET RENTABLE TOTAL LEASED ANNUALIZED RENTABLE PERCENTAGE OF AREA SUBJECT SQUARE FEET BASE RENTAL SQUARE FOOT ANNUAL BASE NUMBER OF TO EXPIRING REPRESENTED BY REVENUE UNDER REPRESENTED RENT UNDER YEAR OF LEASES LEASES EXPIRING EXPIRING BY EXPIRING EXPIRING EXPIRATION EXPIRING(a) (SQ. FT.) LEASES(%) LEASES($)(b) LEASES($) LEASES(%) - ---------------------------------------------------------------------------------------------------------------------- 2004 1 9,300 53.8 195,000 20.97 42.4 2012 1 8,000 46.2 265,000 33.12 57.6 - ---------------------------------------------------------------------------------------------------------------------- Totals/Weighted Average 2 17,300 100.0 460,000 26.59 100.0 ======================================================================================================================

(a) Includes stand-alone retail property tenants only. (b) Annualized base rental revenue is based on actual June 2001 billings times 12. For leases whose rent commences after July 1, 2001, annualized base rental revenue is based on the first full month's billing times 12. As annualized base rental revenue is not derived from historical GAAP results, historical results may differ from those set forth above. ================================================================================ Mack-Cali Realty Corporation Supplemental Operating and Financial Data for the Quarter Ended June 30, 2001 69