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Filed Pursuant to Rule 424(b)(3)
Registration No. 333-69029
PROSPECTUS SUPPLEMENT
Dated March 11, 1999
to the Prospectus dated December 24, 1998
MACK-CALI REALTY CORPORATION
Mack-Cali Realty Corporation (the "Company") has prepared this
Prospectus Supplement to update certain information included in the Company's
Prospectus dated December 24, 1998 (the "Prospectus") relating to 13,236,136
shares of common stock, par value $0.01 per share (the "Common Stock") of the
Company.
The following shares of Common Stock included in the Prospectus are
subject to pledge and security agreements in favor of Prudential Securities
Incorporated ("Prudential"): 224,351 shares of Common Stock underlying Common
Units held by Fredric Mack. Following a transfer of such shares to Prudential
pursuant to such pledge and security agreements, such shares may be sold by
Prudential pursuant to the Prospectus.