Stone 2012 Flow-Through Limited Partnership Files Preliminary Prospectus

TORONTO, ONTARIO--(Marketwire - Dec. 23, 2011) - Stone 2012 Flow-Through GP Inc., on behalf of the Stone 2012 Flow-Through Limited Partnership (the "Partnership"), has filed a preliminary prospectus dated December 21, 2011 with Canadian securities regulatory authorities in each of the provinces and territories of Canada, other than Quebec. Stone Asset Management Limited will act as manager and portfolio manager to the Partnership and will endeavour to invest all proceeds available for investment primarily in flow-through shares of resource issuers that will agree to incur Canadian Exploration Expense ("CEE") in carrying out exploration in Canada and renounce CEE to the Partnership. Limited Partners with sufficient income may be entitled to claim certain deductions from income and non-refundable investment tax credits where available, for income tax purposes for the 2012 taxation year.

The Partnership has been formed to invest primarily in flow-through shares of resource issuers engaged in oil and gas and mineral exploration in Canada with a view to the preservation of capital and achieving capital appreciation of the Partnership's investments.

The offering is made by a syndicate of agents co-led by CIBC and National Bank Financial Inc. and includes Scotia Capital Inc., TD Securities Inc., Canaccord Genuity Corp., Macquarie Private Wealth Inc., GMP Securities L.P., Raymond James Ltd., Burgeonvest Bick Securities Limited, Industrial Alliance Securities Inc., Mackie Research Capital Corporation and Union Securities Ltd.

A preliminary prospectus containing important information relating to these securities has been filed with securities commissions or similar authorities in each of the provinces and territories of Canada, other than Quebec. The preliminary prospectus is still subject to completion or amendment. Copies of the preliminary prospectus may be obtained from one of the dealers noted above. There will not be any sale or any acceptance of an offer to buy the securities until a receipt for the final prospectus has been issued.