MACK-CALI REALTY CORPORATION (NYSE:CLI) Files An 8-K Results of Operations and Financial Condition

Item 2.02 Results of Operations and Financial Condition

On May9, 2017, Mack-Cali Realty Corporation (the Company) issued
a press release announcing its financial results for the first
quarter 2017. A copy of the press release is attached hereto as
Exhibit99.3.

Item 7.01 Regulation FD Disclosure

For the quarter ended March31, 2017, the Company hereby makes
available supplemental data regarding its operations, as well as
supplemental data regarding its multi-family real estate
platform. The Company is attaching such supplemental data as
Exhibits99.1 and 99.2 to this Current Report on Form8-K.

In connection with the foregoing, the Company hereby furnishes
the following documents:

Item 9.01 Financial Statements and
Exhibits

(d) Exhibits

The information included in this Current Report on Form8-K
(including the exhibits hereto) is being furnished under Item
2.02, Results of Operations and Financial Condition, Item 7.01,
Regulation FD Disclosure and Item 9.01 Financial Statements and
Exhibits of Form8-K. As such, the information (including the
exhibits) herein shall not be deemed to be filed for the purposes
of Section18 of the Securities Exchange Act of 1934, as amended
(the Exchange Act), or otherwise subject to the liabilities of
that Section, nor shall it be incorporated by reference into a
filing under the Securities Act of 1933, as amended, or the
Exchange Act, except as shall be expressly set forth by specific
reference in such a filing. This Current Report (including the
exhibits hereto) will not be deemed an admission as to the
materiality of any information required to be disclosed solely to
satisfy the requirements of Regulation FD.

About MACK-CALI REALTY CORPORATION (NYSE:CLI)

Mack-Cali Realty Corporation is a self-administered and self-managed real estate investment trust (REIT). The Company owns and operates a real estate portfolio of Class A office and office/flex properties. It operates in three segments: commercial and other real estate, multi-family real estate and multi-family services. Its commercial and other real estate provides leasing, property management, acquisition, development, construction and tenant-related services for its commercial and other real estate, and multi-family real estate portfolio. Its multi-family services business also provides similar services for third parties. It owned or had interests in approximately 248 properties, consisting of approximately 119 office and approximately 110 flex properties, totaling approximately 26.6 million square feet, leased to approximately 1,600 commercial tenants and approximately 19 multi-family rental properties containing approximately 5,614 residential units, plus developable land.

MACK-CALI REALTY CORPORATION (NYSE:CLI) Recent Trading Information

MACK-CALI REALTY CORPORATION (NYSE:CLI) closed its last trading session down -0.30 at 26.77 with 503,467 shares trading hands.