UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q/A Amendment No. 1 (Mark One) [ X ] QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 1998 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ____________ to ____________ Commission file number 1-13274 Mack-Cali Realty Corporation - -------------------------------------------------------------------------------- (Exact name of registrant as specified in its charter) Maryland 22-3305147 - -------------------------------------------------------------------------------- (State or other jurisdiction (I.R.S. Employer of incorporation or organization) Identification Number) 11 Commerce Drive, Cranford, New Jersey 07016-3501 - -------------------------------------------------------------------------------- (Address of principal executive office) (Zip Code) (908) 272-8000 - -------------------------------------------------------------------------------- (Registrant's telephone number, including area code) Not Applicable - -------------------------------------------------------------------------------- (Former name, former address and former fiscal year, if changed since last report) Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding twelve (12) months (or such shorter period that the Registrant was required to file such report) YES [ X ] NO [ ] and (2) has been subject to such filing requirements for the past ninety (90) days YES [ X ] NO [ ] APPLICABLE ONLY TO CORPORATE ISSUERS: Indicate the number of shares outstanding of each of the issuer's classes of common stock, as of the latest practicable date. As of April 30, 1998, there were 56,977,190 shares of $0.01 par value common stock outstanding. Signatures Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. Mack-Cali Realty Corporation (Registrant) Date: June 9, 1998 /s/ Thomas A. Rizk ------------------ Thomas A. Rizk Chief Executive Officer Date: June 9, 1998 /s/ Barry Lefkowitz ------------------ Barry Lefkowitz Executive Vice President & Chief Financial Officer