In connection with the Annual Report of Gartner, Inc. (the
“Company”) on Form 10-K for the year
ended
December 31, 2007, as filed with the Securities and Exchange Commission on the date hereof
(the
“Report”),
Eugene A. Hall Chief Executive Officer of
the Company, and
Christopher J. Lafond,
Chief Financial Officer of
the Company, each hereby certifies, pursuant to 18 U.S.C. § 1350, as
adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge:
A signed original of this written statement required by Section 906 has been provided to Gartner,
Inc. and will be retained by Gartner, Inc. and furnished to the Securities and Exchange Commission
or its staff upon request.
