NEW YORK, April 17 /PRNewswire-FirstCall/- GFI Group Inc. (Nasdaq: GFIG), an inter-dealer brokerage, market data and analytical software provider for global cash and derivative markets, announced today that it will release financial results for its 2007 first quarter on Wednesday, May 2, 2007 after the U.S. market close.

GFI has also scheduled an investor conference call to discuss the results at 8:30 a.m. (Eastern Time) on Thursday, May 3rd. Those wishing to listen to the live conference call via telephone should dial 866-541-8087 in North America, passcode 5956221 and 706-679-5686 in Europe, same passcode.

A live audio web cast of the conference call will also be available on the Investor Relations section of GFI’s Web site. For web cast registration information, please visit http://www.gfigroup.com. Following the conference call, an archived recording will be available at the same site.

About GFI Group Inc.

GFI Group Inc. (www.GFIgroup.com) is a leading inter-dealer broker specializing in over-the-counter derivatives products and related securities. GFI Group Inc. provides brokerage services, market data and analytics software products to institutional clients in markets for a range of credit, financial, equity and commodity instruments. Headquartered in New York, GFI was founded in 1987 and employs more than 1,400 people with additional offices in London, Paris, Hong Kong, Seoul, Tokyo, Singapore, Sydney, Cape Town, Englewood (NJ), and Sugar Land (TX). GFI provides services and products to over 2,000 institutional clients, including leading investment and commercial banks, corporations, insurance companies and hedge funds. Its brands include GFI(TM), Starsupply(R), GFInet(R), CreditMatch(R), FENICS(R) and Amerex(R).

Forward-looking statements

Certain matters discussed in this press release contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. When used in this press release, the words “anticipate,” “believe,” “estimate,” “may,” “might,” “intend,” “expect” and similar expressions identify such forward-looking statements. Actual results, performance or achievements could differ materially from those contemplated, expressed or implied by the forward-looking statements contained herein. These forward- looking statements are based largely on the expectations of the Company and are subject to a number of risks and uncertainties. These include, but are not limited to, risks and uncertainties associated with: economic, political and market factors affecting trading volumes, securities prices or demand for the Company’s brokerage services; competition from current and new competitors; the Company’s ability to attract and retain key personnel, including highly- qualified brokerage personnel; the Company’s ability to identify and develop new products and markets; changes in laws and regulations governing the Company’s business and operations or permissible activities; the Company’s ability to manage its international operations; financial difficulties experienced by the Company’s customers or key participants in the markets in which the Company focuses its brokerage services; the Company’s ability to keep up with technological changes; and uncertainties relating to litigation. Further information about factors that could affect the Company’s financial and other results is included in the Company’s filings with the Securities and Exchange Commission. The Company does not undertake to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

SOURCE GFI Group Inc.

Investor Relations: Christopher Giancarlo, Executive Vice President – Corporate
Development of GFI Group Inc., investorinfo@gfigroup.com, Chris Ann Casaburri of
Comm-Partners LLC, +1-212-968-4167, chris.casaburri@gfigroup.com; Media: Alan Bright,
Public Relations Manager of GFI Group Inc., +011-44-20-7877-8049,
Alan.Bright@GFIgroup.co.uk

http://www.gfigroup.com