December 14, 2011 - GMP Securities Junior Oil & Gas Index Rebalance

Toronto, ON. (December 13, 2011) – GMP Capital Inc. (TSX: GMP) today announced that GMP Securities L.P. (“GMP Securities”) will add two index constituents to the GMP Junior Oil and Gas Index™ (the “Index”) as a result of the quarterly rebalancing.
The following additions to the Index will be effective at the close of business on Friday, December 16, 2011: Issue Name Symbol Petrominerales Ltd. PMG TAG Oil Ltd. TAO GMP Securities also announced that it will delete two index constituents from the Index. The following deletions from the Index will be effective at the close of business on Friday, December 16, 2011: Issue Name Symbol Compton Petroleum Corporation CMT NiMin Energy Corp. NNN Further information about the Index can be found on GMP Securities’ website at Company additions to and deletions from the GMP Junior Oil and Gas Index™ do not in any way reflect an opinion on the investment merits of the company. Exposure to an asset class is available through investable instruments based on an index. It is not possible to invest directly in an index. GMP does not sponsor, endorse, sell, promote or manage any investment fund or other vehicle offered by third parties that seek to provide an investment return based on the returns of this Index. ABOUT GMP CAPITAL INC. GMP Capital Inc. (“GMP”) is a leading independent diversified financial services firm headquartered in Toronto, Canada, providing a wide range of financial products and services to a client base that includes corporate clients, institutional investors and highnet- worth individuals in three integrated reporting segments. The Capital Markets segment provides investment banking, including advisory and underwriting services, institutional sales and trading and research through offices located in Toronto, Montreal, Calgary, New York, Miami, Dallas, London, Perth and Sydney. The Capital Markets segment conducts its business through the following operating entities: GMP Securities L.P., Miller Tabak Roberts Securities, LLC, Griffiths McBurney Corp., GMP Securities Europe LLP and GMP Securities Australia Pty Limited. Wealth Management consists of GMP’s non-controlling ownership interest in Richardson GMP Limited, a full-service independent firm focused on providing exclusive and comprehensive wealth management and investment services delivered by an experienced team of investment professionals. The Alternative Investments segment consists of GMP Investment Management L.P., which provides investment management and alternative investment products. GMP is listed on the Toronto Stock Exchange under the symbol “GMP”. For further information, please visit our corporate website at For further information please contact: GMP Capital Inc. Rocco Colella, Director, Investor Relations 145 King Street West, Suite 300, Toronto, Ontario M5H 1J8 Tel: (416) 941-0894; Fax: (416) 943-6175 or GMP Junior Oil and Gas Index™ (the “Index”) is the exclusive property of GMP Securities, which has contracted with Standard & Poor’s Financial Services LLC (“S&P”) to maintain and calculate the Index. Standard & Poor’s® and S&P® are registered trademarks of Standard & Poor’s Financial Services LLC “Calculated by S&P Custom Indices” and its related stylized mark(s) are service marks of Standard & Poor’s Financial Services LLC and have been licensed for use by GMP Securities. S&P and its affiliates shall have no liability for any errors or omissions in calculating the Index.



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