Silver Purchase Agreement

(“Capstone” or “the Company”) (TSX:CS) is pleased to announce that it has entered into a final contract for the purchase of precious metals (the “stream contract”) with Wheaton Precious Metals International Ltd., a 100% subsidiary of Wheaton Precious Metals Corp., jointly referred to as “Wheaton”. Wheaton will pay an advance of $150 million after 50% of silver production until 10 million onrs have been delivered, and then fall to 33% of silver production for the life of the company`s cozamine mine in Zacatecas, Mexico (“Cozamin”). .