News Release

Bedminster, N.J. - September 7, 2012 - GAIN Capital Holdings, Inc. (NYSE: GCAP; "the Company"), a global provider of online trading services, today announced that CEO Glenn Stevens is scheduled to present at the JMP Securities Financial Services & Real Estate Conference on Thursday, September 13, 2012. The event is being held at the St. Regis hotel in New York.

Mr. Stevens will be presenting at 11:00am ET on Thursday, September 13, 2012. Mr. Stevens will also take part in a series of one-on-one and small group meetings at the conference. Interested investors should contact their JMP Securities representative. For more corporate information or to sign up for alerts, please visit: http://ir.gaincapital.com/.

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, 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; Beijing and Seoul. For company information, visit www.gaincapital.com.

Media Contact
Mike Geller, Edelman for GAIN Capital
+1 212.729.2163
pr@gaincapital.com

Investor Relations Contact
Hugh Collins and Lynn Morgen
MBS Value Partners
gain@mbsvalue.com