New York, May 21, 2013 – GFI Group Inc. (NYSE: “GFIG”), a leading provider of wholesale brokerage, electronic execution and trading support products for global financial markets announced it will deploy Flash Memory Arrays from Violin Memory to increase the speed and capacity of its trading platforms across all assets classes.

Replacing spinning disks with solid state storage is part of a larger project GFI is implementing to prepare its electronic trading infrastructure for its planned Futures Exchange “DCM” and Swap Execution Facility “SEF”.

Jerry Dobner, Chief Technology Officer at GFI Group said, “We looked to increase the speed, capacity, and density of our shared data storage platform and turned to Violin Memory to assist us. By embracing this new technology, our clients will benefit from faster transaction speeds and a highly scalable electronic trading infrastructure”

We are excited about GFI’s choice of Violin Memory, as it continues to prove that purpose built memory based solutions are the next step in IT infrastructure evolution”, said Don Basile, CEO of Violin Memory. “Real time information access is today’s reality and Violin is building solutions to enable organizations like GFI, which rely on timely information access, to achieve their business goals.

Violin Memory delivers storage at the speed of memory, accelerating business critical applications and enabling fully virtualized and optimized IT infrastructures.  Violin’s Flash Memory Arrays are all-silicon shared storage systems built from the ground up to harness the full power of flash memory and deliver industry leading performance and ultra-low data access latencies. With support for latencies in the 100s of microseconds sustained and 1 Million IOPS in a single 3 Rack Unit (RU) form factor, Violin is driving economics through performance.

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About GFI Group Inc.

GFI Group Inc. (NYSE: “GFIG”) is a leading provider of wholesale brokerage services, clearing services, electronic execution and trading support products for global financial markets. GFI Group Inc. provides brokerage services, market data, trading platform and analytics software products to institutional clients in markets for a range of fixed income, financial, equity and commodity instruments.

Headquartered in New York, GFI was founded in 1987 and employs more than 2,100 people with additional offices in London, Paris, Nyon, Hong Kong, Manila, Seoul, Tokyo, Singapore, Sydney, Cape Town, Santiago, Bogota, Buenos Aires, Lima, Dubai, Dublin, Tel Aviv, Los Angeles and Sugar Land (TX). GFI Group Inc. provides services and products to over 2,600 institutional clients, including leading investment and commercial banks, corporations, insurance companies and hedge funds. Its brands include GFI^SM, GFInet®, CreditMatch®, GFI ForexMatch®, EnergyMatch®, FENICS®, Starsupply®, Amerex®, Trayport® and Kyte®.

About Violin Memory, Inc.

Violin Memory is pioneering a new class of high-performance flash-based storage systems that are designed to bring storage performance in-line with high-speed applications, servers and networks. Violin Flash Memory Arrays are specifically designed at each level of the system architecture starting with memory and optimized through the array to leverage the inherent capabilities of flash memory and meet the sustained high-performance requirements of business critical applications, virtualized environments and Big Data solutions in enterprise data centers. Specifically designed for sustained performance with high reliability, Violin’s Flash Memory Arrays can scale to hundreds of terabytes and millions of IOPS with low, predictable latency. Founded in 2005, Violin Memory is headquartered in Mountain View, California. For more information about Violin Memory products, visit www.vmem.com.

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 GFI Group Inc. (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; uncertainties relating to litigation and the Company’s ability to assess and integrate acquisition prospects. 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.

For any queries or additional information please contact:

Patricia Gutierrez
Vice President – Public Relations
GFI Group Inc.
55 Water Street, 28th Floor
New York, NY 10041
Tel: (212) 968 2964
Mob: (646) 717 4379
patricia.gutierrez@gfigroup.com

Eastwick
Jayne Scuncio
415.820. 4164
violin@eastwick.com