Gartner Announces Closing of Secondary Offering of Common Stock by ValueAct Capital16:15 EST Thursday, February 24, 2011 STAMFORD, Conn. (Business Wire) -- Gartner, Inc. (NYSE: IT), the leading provider of research and analysis on the global information technology industry, today announced that ValueAct Capital Master Fund, L.P. (ValueAct Capital) closed the previously announced secondary offering of 9,200,000 shares of Gartner's common stock (including 1,200,000 shares of common stock pursuant to the exercise of the over-allotment option by the underwriters) at $35.50 per share. All of the shares of common stock were sold by ValueAct Capital. Gartner did not receive any proceeds from the sale of the shares of common stock in the offering. Credit Suisse Securities (USA) LLC and Goldman, Sachs & Co. acted as underwriters for the offering. A copy of the prospectus relating to this offering may be obtained from Credit Suisse, Attn: Prospectus Department, One Madison Avenue 1B, New York, NY 10010, telephone: (800) 221-1037 or Goldman, Sachs & Co., Attn: Prospectus Department, 200 West Street, New York, NY 10282, telephone: (866) 471-2526, facsimile: (212) 902-9316, email prospectus-ny@ny.email.gs.com. This release does not constitute an offer to sell or a solicitation of an offer to buy any securities, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such state or jurisdiction. Purchase from ValueAct Capital Gartner also announced the closing of the repurchase, pursuant to a Stock Purchase Agreement, dated as of February 14, 2011, of an aggregate of 500,000 shares of common stock from ValueAct Capital at a purchase price of $34.435 per share (the price per share in the secondary offering, net of the underwriting discount), for aggregate consideration of approximately $17,217,500. After giving effect to this purchase, and the sale of the 9,200,000 shares in the public offering, ValueAct Capital's percentage ownership interest in Gartner's outstanding shares will be approximately 7.5%. About Gartner Gartner, Inc. (NYSE: IT) is the world's leading information technology research and advisory company. Gartner delivers the technology-related insight necessary for its clients to make the right decisions, every day. From CIOs and senior IT leaders in corporations and government agencies, to business leaders in high tech and telecom enterprises and professional service firms, to technology investors, Gartner is the valuable partner to approximately 60,000 clients, in 11,601 distinct organizations. Through the resources of Gartner Research, Gartner Executive Programs, Gartner Consulting and Gartner Events, Gartner works with every client to research, analyze and interpret the business of IT within the context of their individual role. Founded in 1979, Gartner is headquartered in Stamford, Connecticut, U.S.A., and has 4,461 associates, including 1,249 research analysts and consultants, and clients in 85 countries. Gartner, Inc.Andrew Spender, 203-316-3286andrew.spender@gartner.com