RockBridge Appoints Senior Vice-President

VANCOUVER, BRITISH COLUMBIA–(Marketwired – July 31, 2013) – RockBridge Resources Inc. (“RockBridge” or the “Company”) (TSX VENTURE:RBE) is pleased to announce that it has appointed Mr. Dario Sodero, of Calgary, Alberta as its new Senior Vice-President. Mr. Sodero, who has been a director of RockBridge since January 2011, will oversee the Company’s operations and will be an integral part of the Company’s ongoing consideration of further possible acquisitions or strategic alternatives.

Mr. Sodero is a geologist with over 40 years of Canadian and international oil and gas exploration experience. He is the President of Planaval Resources Ltd., a private consulting company. From 1969 to 1979 he worked at Canada Cities Service where he became Geological Manager and from 1980 to 1990 he was Vice President and President of Atlas Yellowknife Resources, a company listed on the TSX. In 1992 he co-founded Coachlight Resources Ltd., a company listed on the Alberta Stock Exchange which was merged with Danoil Energy (later renamed Acclaim Energy Trust) in 1998. In 1997 he co-founded Sheer Energy Inc., the predecessor company of Cygam Energy Inc. and was the President of Cygam from 2006 to 2011 and a director until September 2012. Mr. Sodero graduated from the University of Turin, Italy, with a Doctorate in Geological Sciences (Honours) in 1967.

ON BEHALF OF THE BOARD

ROCKBRIDGE RESOURCES INC.

Steve Mathiesen, President & CEO

This news release may include statements about expected further events and/or financial results that are forward-looking in nature and subject to risks and uncertainties. RockBridge cautions that actual performance will be affected by a number of factors, many of which are beyond its control. Future events and results may vary substantially from what RockBridge currently foresees. Discussion on the various factors that may affect future results is contained in RockBridge’s recent filings, available on SEDAR.

Neither the TSX Venture Exchange Inc. nor its Regulation Service Provider (as that term is defined in the policies of the TSX Venture Exchange Inc.) accepts responsibility for the adequacy or accuracy of this news release.