Amerex's Clay Davis Appointed Senior Advisor for Commodities Ecommerce; Firm under direction of Executive Committee led by Mark

 Amerex's Clay Davis Appointed Senior Advisor for Commodities Ecommerce; Firm
          under direction of Executive Committee led by Mark Gaynor

PR Newswire

HOUSTON, Dec. 4, 2012

HOUSTON, Dec. 4, 2012 /PRNewswire/ -- Amerex Brokers LLC, a subsidiary of GFI
Group Inc. (NYSE: "GFIG"), a leading over-the-counter energy brokerage
offering services in electricity, natural gas, emission credits and
allowances, renewable energy credits, retail energy procurement, energy
consulting and energy data services, today announced changes in its senior
management structure.

Amerex's President, Clay Davis, has been appointed Senior Advisor for
Commodities Ecommerce and will remain at the firm directing strategic
initiatives in ecommerce, which include the implementation of GFI trading
technology.

Going forward, Amerex will be directed by its Executive Committee led by Mark
Gaynor and comprising Paul Puchot, Scott Halperin and Brian Dowell.Amerex's
Executive Committee reports to Richard Giles, GFI Group Managing Director and
Head of Commodities and Energy Brokerage, North America.

Commenting on the moves, Richard Giles said: "I wish to compliment Clay for
his nearly 17 years of valuable service to Amerex and GFI. In his new role,
Clay will roll out GFI trading technology and support services to market
participants", and added, "This is a great opportunity for Clay to leverage
his deep knowledge and experience of the commodities and energy markets as
they go through the dynamic changes introduced by the Dodd-Frank Act".

Mr Gaynor is a Managing Director at Amerex Brokers and has been with the firm
over 20 years. Mr Puchot is Managing Director, Business Development and the
firm's Senior Counsel. Mr Halperin is a Managing Director responsible for the
Brokerage business. Mr Dowell is a Managing Director and Head of East Power
Brokerage.

GFI Group technology in the energy and commodities markets in North America is
spearheaded by EnergyMatch®, the next generation electronic OTC energy
marketplace that combines the liquidity pools of multiple brokerage firms,
electronic trading participants along with multiple clearing options in an
open access web based platform. EnergyMatch® brings together buyers and
sellers of derivative and physical commodities contracts.

About Amerex Brokers LLC

Founded in 1978, Amerex is a leading over-the-counter energy brokerage
offering services in electricity, natural gas, emission credits and
allowances, renewable energy credits, retail energy procurement, energy
consulting and energy data services. From its office in Houston, Amerex offers
liquidity and timely execution to meet the needs of a global client network of
more than 1,000 firms including thousands of traders and risk management
professionals. For additional information, please visit www.amerexenergy.com.

Amerex Brokers LLC is a wholly-owned subsidiary of GFI Group Inc. (NYSE:
GFIG), a leading inter-dealer broker specializing in over-the-counter
derivatives products and related securities. GFI provides brokerage services,
trading system software and market data and analytics software products for a
range of credit, financial, equity and commodity instruments. GFI operates one
of the largest OTC energy brokerage businesses in North America both directly
and through its Amerex and StarSupply businesses.

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, Seoul,
Tokyo, Singapore, Sydney, Cape Town, Santiago, Bogota, Buenos Aires, 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®.

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

Melissa Mundy
Vice President, Marketing & Data Services
Amerex Brokers LLC
Tel: (281) 340-5206
mmundy@amerexenergy.com

SOURCE Amerex Brokers LLC

Website: http://www.amerexenergy.com