Information Services Group Announces Share Purchases by Its Chief Executive Officer and Chief Financial Officer

Information Services Group Announces Share Purchases by Its Chief Executive
Officer and Chief Financial Officer

STAMFORD, Conn., Nov. 9 /PRNewswire-FirstCall/ -- Information Services Group,
Inc. (ISG) (Nasdaq: III, IIIIU, IIIIW), an industry-leading, information-based
services company, announced today that Michael P. Connors, Chairman and Chief
Executive Officer, and David Berger, Executive Vice President and Chief
Financial Officer, have purchased 440,457 shares of ISG common stock from
Frank Martell, its former Chief Financial Officer.

The purchases were implemented in two separate private transactions whereby
Mr. Connors acquired 315,457 shares and Mr. Berger acquired 125,000 shares.
Mr. Martell recently accepted a new senior executive position with another
company and intends to use the proceeds in connection with his relocation to
California.

"I believe these purchases reflect the confidence that David and I have in
ISG's future," Mr. Connors said. With today's purchase Mr. Connors now owns
6.88% of ISG's outstanding shares.

About Information Services Group, Inc.

Information Services Group, Inc. (ISG) was founded in 2006 to build an
industry-leading, high-growth, information-based services company by acquiring
and growing businesses in advisory, data, business and media information
services. In November 2007, ISG acquired TPI, the largest sourcing data and
advisory firm in the world. Based in Stamford, Connecticut, ISG has a proven
leadership team with global experience in information-based services and a
track record of creating significant value for shareowners, clients and
employees. For more, visit www.informationsg.com.

SOURCE Information Services Group, Inc.

Media, Barry Holt, +1-203-517-3110, bholt@informationsg.com; or Investors,
David Berger, +1-203-517-3104, dberger@informationsg.com