Get alerts:President and Chief Executive Officer Haytham Hodaly said the company recorded first-half highs in production, sales volumes, revenue, earnings and operating cash flow. The agreement increased Wheaton’s share of silver production at Antamina from 33.75% to 67.5%, effective April 1. Blackwater produced 100,000 attributable silver ounces and 5,900 attributable gold ounces, increases of 7% and 46%, respectively. About Wheaton Precious Metals (NYSE:WPM)Wheaton Precious Metals Corp. is a Canada-based precious metals streaming company that acquires and manages long-term purchase agreements for metals produced by mining companies. Rather than operating mines, Wheaton provides upfront and ongoing financing to miners in exchange for the right to purchase a portion of the metals produced — typically silver and gold, and occasionally other precious metals — at predetermined prices.