New York, Sep 24, 2008 – GFI Group Inc. (GFIG on NASDAQ) has released FENICS Enterprise, available through FENICS FX 11.1 – the latest version of its award-winning pricing and risk management software. FENICS Enterprise is a suite of separately-licensed server components that enable clients to view prices and analytical reports generated by FENICS FX over the internet or a company intranet. “FENICS Enterprise moves FENICS pricing and analytics functionality to where our clients need that capacity,” said Richard Brunt, global head of FENICS at GFI. “Clients can use the server components of FENICS FX and integrate them fully into their existing technology infrastructure, combined with their proprietary data, using web sites, intranets and spreadsheet front ends. With FENICS Enterprise, banks can provide web-based pricing and reporting both internally and externally, customize and improve their workflows, and communicate via XML with other proprietary systems.”

The FENICS FX 11.1 release also includes new option classes, profit and loss attribution analysis and a real-time position server and many other enhancements to its existing clients.

For more on FENICS FX go to www.gfigroup.com/fenicsfx.

About GFI Group Inc. www.GFIgroup.com

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 trading platform and analytics software 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 1,700 people with additional offices in London, Paris, Tel Aviv, Dublin, Dubai, Hong Kong, Shanghai, Tokyo, Singapore, Sydney, Seoul, Cape Town, Calgary, Englewood (NJ), and Sugar Land (TX). GFI provides services and products to over 2,200 institutional clients, including leading investment and commercial banks, corporations, insurance companies and hedge funds. Its brands include GFI™, GFInet®, CreditMatch®, GFI ForexMatch®, EnergyMatch®, GFI FENICS®, GFI FENICS® FX, GFI FENICS™ Enterprise, Starsupply®, Amerex® and Trayport®. Forward-looking statement

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.