EDISON, N.J., Jan. 14, 2011 /PRNewswire/ -- Mack-Cali Realty Corporation (NYSE: CLI) today announced the tax treatment of its 2010 dividends.  The Company's total distribution of $1.80 per share of common stock (CUSIP #554489104) is to be classified for income tax purposes as follows:

                  CASH          TAXABLE   NONDIVIDEND

RECORD   PAYMENT  DISTRIBUTIONS ORDINARY  DISTRIBUTIONS

DATE     DATE     PER SHARE     DIVIDENDS (RETURN OF CAPITAL)

01/06/10 01/15/10 $ 0.45000     $ 0.33853 $ 0.11147

04/06/10 04/12/10 0.45000       0.33853   0.11147

07/06/10 07/09/10 0.45000       0.33853   0.11147

10/05/10 10/08/10 0.45000       0.33853   0.11147

Totals            $ 1.80000     $ 1.35412 $ 0.44588

The Company's total distribution of $2.00 per depositary share of Series C cumulative redeemable perpetual preferred stock (CUSIP #554489302) is to be classified for income tax purposes as follows:

                  CASH          TAXABLE

RECORD   PAYMENT  DISTRIBUTIONS ORDINARY

DATE     DATE     PER SHARE     DIVIDENDS

01/06/10 01/15/10 $ 0.50000     $ 0.50000

04/06/10 04/15/10 0.50000       0.50000

07/06/10 07/15/10 0.50000       0.50000

10/05/10 10/15/10 0.50000       0.50000

Totals            $ 2.00000     $ 2.00000

The fourth quarter 2010 distributions being made to shareholders of record as of January 5, 2011 are considered 2011 distributions for federal income tax purposes.  Shareholders are encouraged to consult with their tax advisors as to their specific tax treatment of Mack-Cali Realty Corporation dividends.

Mack-Cali Realty Corporation is a fully-integrated, self-administered, self-managed real estate investment trust (REIT) providing management, leasing, development, construction and other tenant-related services for its class A real estate portfolio. Mack-Cali currently owns or has interests in 277 properties, primarily office and office/flex buildings located in the Northeast, totaling approximately 32.2 million square feet.  The properties enable the Company to provide a full complement of real estate opportunities to its diverse base of over 2,000 tenants.

Additional information on Mack-Cali Realty Corporation is available on the Company's Web site at www.mack-cali.com.

Statements made in this press release may be forward-looking statements within the meaning of Section 21E of the Securities Exchange Act of 1934, as amended.  Forward-looking statements can be identified by the use of words such as "may," "will," "plan," "should," "expect," "anticipate," "estimate," "continue," or comparable terminology.  Such forward-looking statements are inherently subject to certain risks, trends and uncertainties, many of which the Company cannot predict with accuracy and some of which the Company might not even anticipate, and involve factors that may cause actual results to differ materially from those projected or suggested.  Readers are cautioned not to place undue reliance on these forward-looking statements and are advised to consider the factors listed above together with the additional factors under the heading "Disclosure Regarding Forward-Looking Statements" and "Risk Factors" in the Company's Annual Reports on Form 10-K, as may be supplemented or amended by the Company's Quarterly Reports on Form 10-Q, which are incorporated herein by reference.  The Company assumes no obligation to update or supplement forward-looking statements that become untrue because of subsequent events, new information or otherwise.

Contacts: Barry Lefkowitz             Ilene Jablonski

          Executive Vice President    Senior Director, Marketing

          and Chief Financial Officer and Public Relations

          (732) 590-1000              (732) 590-1000

SOURCE Mack-Cali Realty Corporation