GAIN Capital Receives Regulatory Approval in China; Announces Plans for Beijing Office

BEDMINSTER, New Jersey, May 11, 2011 - GAIN Capital Holdings, Inc., a global provider of online trading
services, announced today that it has received formal regulatory approval
from the China Banking Regulatory Commission (CBRC) to open a representative
office in Beijing.

"Receiving the CBRC's approval is an important step towards expanding our
business in one of the fastest growing economies in the world," commented
Glenn Stevens, CEO of GAIN Capital. "We believe the Beijing representative
office will assist us in building strong relationships in China's growing
financial community and help provide a strong foundation for our future
strategic plans in that country."

GAIN Capital's representative office will focus on building GAIN
Capital's brand in China, conducting market research on China's financial
regulations and market environments and facilitating the company's
relationships with Chinese financial institutions.

The CBRC is the primary banking regulator in China, supervising banks and
non-bank institutions and their business operations within the country.

GAIN Capital's Beijing office will be located at the Central
International Trade Center. The office will extend GAIN Capital's presence in
the Asia-Pacific region, which currently includes offices in Hong Kong,
Sydney, Singapore, Tokyo and Seoul.

About GAIN Capital

GAIN Capital Holdings, Inc. (NYSE:GCAP) is a global provider of online
trading services. GAIN's innovative trading technology provides market access
and highly automated trade execution services across multiple asset classes,
including foreign exchange (forex or FX), contracts for difference (CFDs) and
exchange-based products, to a diverse client base of retail and institutional
investors.

A pioneer in online forex trading, GAIN Capital operates FOREX.com(R),
one of the largest and best-known brands in the retail forex industry. GAIN's
other businesses include GAIN GTX, a fully independent FX ECN for hedge funds
and institutions, and GAIN Securities, Inc. (member FINRA/SIPC) a licensed
U.S. broker-dealer.

GAIN Capital and its affiliates have offices in New York City;
Bedminster, New Jersey; London; Sydney; Hong Kong; Tokyo; Singapore and
Seoul.

For company information, visit www.gaincapital.com.

All trade names are the property of their respective owners.

For GAIN Public Relations, Christa Conte, +1-212-808-4902, or Savannah Tikotsky, +1-212-808-4903, Feintuch Communications, gain at feintuchpr.com, or for GAIN Investor Relations, Henry Lyons, GAIN Capital, ir at gaincapital.com, +1-908-212-3980