CALGARY, ALBERTA--(Marketwired - May 19, 2015) - BOULDER ENERGY LTD. ("Boulder") (TSX:BXO) announces that effective at the opening of trading on Thursday, May 21, 2015, the common shares of Boulder will be listed and posted for trading on the Toronto Stock Exchange under the stock symbol of "BXO".

The foregoing results from a recently completed plan of arrangement (the "Arrangement") involving Boulder and Granite Oil Corp. (TSX:GXO), formerly DeeThree Exploration Ltd. For additional information and further discussion regarding the Arrangement, Boulder and Granite, please see the information circular of DeeThree Exploration Ltd. dated effective April 9, 2015, a copy of which is available for review on Granite's SEDAR profile at www.sedar.com.

Contact Information:

Boulder Energy Ltd.
Martin Cheyne
Chief Executive Officer
(403) 263-9130

Boulder Energy Ltd.
Clayton Thatcher
President
(403) 263-6426