Mack-Cali Realty Corporation
  11 Commerce Drive
  Cranford, New Jersey 07016    
  
February 25, 2003
Via EDGAR
Securities
and Exchange Commission
450 Fifth Street, N.W.
Washington, D.C. 20549 
| Re: | Mack-Cali Realty Corporation Annual Report on Form 10-K for the year ended December 31, 2002  | 
Ladies and Gentlemen:
Transmitted herewith are written statements pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to accompany the above-referenced periodic report.
| Very truly yours, | |||
| MACK-CALI REALTY CORPORATION | |||
By:  | 
/s/ ROGER W. THOMAS Roger W. Thomas Executive Vice President, General Counsel and Secretary  | 
||