Stamford, CT, December 14, 1999 — Gartner Group, Inc. (NYSE: IT), today announced the acquisition of Rendall and Associates, a leading provider of strategic consulting services to the telecommunications industry.

Based in Raleigh, North Carolina and founded in 1985, Rendall and Associates is well known as a catalyst for launching new businesses within the public telecom sector. This role has been acted out many times in signaling, narrowband, and broadband networks around the globe. The firm employs a number of esteemed experts from all facets of the public networks marketplace. Their skill in formulating and refining business strategies has contributed to the success of clients' new business initiatives, notably in the competitive local exchange carrier business.

The acquisition has been completed. Terms of the deal were not disclosed. "Rendall and Associates will be a strategic addition to our GartnerGroup Services business," said Steve Durbin, Group Vice President and Worldwide head of GartnerGroup Services. "They are known for their ability to forecast emerging areas of opportunity for clients in the telecommunications industry, and we're proud to add their expertise to our portfolio of services."

"GartnerConsulting's global presence will help us better support the needs of our growing international client base," said Dave Rendall, chairman and CEO of Rendall and Associates. "Together, GartnerGroup Services and Rendall and Associates will be able to deliver a full-service package from strategic planning through new business development," added Ian Stewart, president.

About GartnerGroup
GartnerGroup, the world's premier business technology advisor, was founded in 1979 and is headquartered in Stamford, Connecticut. GartnerGroup provides unrivaled thought leadership for more than 9,600 client organizations worldwide. It achieved 1999 revenue of $734 million, and has 80 locations worldwide. GartnerGroup's 3,400 associates, including 1,200 research analysts and consultants, help clients achieve their business objectives through the intelligent and efficient use of technology. For more information about GartnerGroup's industry-leading research capabilities, services and events, visit us on the Web at http://www.gartner.com.