100,000 s/f Madison Avenue expansion for Nixon Peabody.

SageGroupAssociates, a division of Sage Realty Corporation, announced that it's long-time tenant, the law firm Nixon Peabody LLP, signed an amendment to its lease to expand its existing space 437 Madison Avenue.

With its 18,250 s/f expansion, Nixon Peabody's New York office will occupy 101,450 s/f and six floors at 437 Madison Avenue. The law firm has been a tenant since 1994. Nixon Peabody is one of the largest multi-practice law firms in the U.S. and has been recognized by Fortune magazine as one of the top 100 companies to work for in both 2006 and 2007.

"We are pleased to count one of the nation's premier law firms among our tenants," said Sage managing director Greg Gang, who along with managing director Michael Lenchner, negotiated the lease. "Nixon Peabody has been a valued tenant since 1994, so we are thrilled to be able to accommodate their growth at 437 Madison."

"Manhattan is an essential hub of business activity for our clients," said Arthur J. Rosner, managing partner of the New York City office of Nixon Peabody. "Our office has grown significantly during the past year, and we needed to expand our presence to accommodate our growth. 437 Madison Avenue is ideally situated, and we are most pleased to continue our growth in this location and our association with the building and its ownership."

Designed by premier New York City architect Emery Roth & Sons, 437 Madison Avenue is a 40-story, 800,000 s/f commercial tower occupying the entire eastern block front of Madison Avenue between 49th and 50th Streets.

SageGroupAssociates is the leasing agent for the building's owner, an affiliate of the William Kaufman Organization Ltd. Among the other tenants at 437 Madison Avenue are CNBC, Inc., Wachovia Bank, Omnicom Group, Inc., Rockefeller Brothers Fund, Carnegie Corporation of New York, Nordea Bank Finland and Hitachi America Ltd.