Rockgate Announces Receipt of Unsolicited Offer from Denison Mines

Rockgate Capital Corp. acknowledges the announcement made on September 17, 2013 by Denison Mines Corp. DNN of its intention to make an unsolicited bid (the "Denison Proposal") for all of the issued and outstanding shares of Rockgate. The Company has had no discussions with Denison and has not received any communications with any details or other information regarding the intended Denison Proposal, other than the information contained in Denison's press release. If an actual offer is made, the Board of Directors of Rockgate will consider alternatives and make a recommendation. In the meantime, Rockgate suggests that shareholders defer taking any action in respect of the possible Denison Proposal until shareholders have received further communication from the Board of Directors of Rockgate. The Company also advises that on August 13, 2013, in accordance with the terms and conditions of the Company's previously announced proposed arrangement with Mega Uranium Ltd., the Company waived the application of its Shareholder Rights Plan Agreement dated for reference June 16, 2008.