Edison, New Jersey-March 24, 2015-Mack-Cali Realty Corporation (NYSE: CLI) today announced that Securitas Security Services USA, Inc., a knowledge leader in security, has signed a new 15-year, 81,282-square-foot lease at 9 Campus Drive in the Mack-Cali Business Campus in Parsippany, New Jersey.

Securitas USA's new location, serving as its North American Headquarters and Eastern Operations Center, will house a full data center and 24/7 call center, as well as approximately 225 employees.

Located in the heart of Morris County, 9 Campus Drive-a four-story, 156,495-square-foot office building-is 89.2 percent leased. The class A property features renovated lobby and common areas, numerous on-site amenities, and meticulously maintained grounds featuring ponds, fountains, and outdoor seating.

The tenant was represented in the transaction by Joseph J. Messina, formerly of Savills Studley, along with Daniel M. Foley and Christopher B. Marx, both of Savills Studley. The Mack-Cali leasing team consisted of Diane Chayes, senior vice president of leasing, and Brian Decillis, assistant vice president of leasing.

Mitchell E. Hersh, president and chief executive officer of Mack-Cali, commented, "We're pleased that Securitas USA has chosen this premier property. In my direct conversations with Securitas USA's leadership team, they clearly recognize the quality standards that Mack-Cali maintains in our properties along with the personalized customer service and attention to detail, all reflective of the Company's continued commitment to the office market and our assets."

Securitas Security Services USA, Inc. is a knowledge leader in security. As the nation's leading security provider, Securitas USA and its affiliates offer security solutions, including on-site security officers, mobile patrol, remote security monitoring, and corporate risk management.

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 owns or has interests in 282 properties, consisting of 263 office and office/flex properties totaling approximately 30.9 million square feet and 19 multi-family rental properties containing approximately 5,400 residential units, all located in the Northeast. The properties enable the Company to provide a full complement of real estate opportunities to its diverse base of commercial and residential tenants.

Additional information on Mack-Cali Realty Corporation and the commercial real estate properties and multi-family residential communities available for lease can be found on the Company's website 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," "potential," "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.

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