Wheaton Precious Metals Corp.

Three Year History The following is a summary of the three-year history of the Company. Further details concerning these and other transactions can be found under Description of the Business . During the period January 1, 2026 to March 26, 2026, Wheaton announced that as part of the Company’s strategic succession planning, Haytham Hodaly, currently President, will succeed Randy Smallwood as the Company’s Chief Executive Officer effective March 31, 2026, and concurrently, Randy Smallwood will assume the role of non-executive Chair of the Board of Directors and George Brack, the current Chair of the Board, will transition to Lead Independent Director. Additionally, Wheaton announced that Wheaton International had entered into a new mineral stream on the Antamina mine with a wholly-owned subsidiary of BHP Group Limited ( BHP ). For further details, see Description of the Business Principal Product Antamina Mine (Silver) BHP . WHEATON 2025 ANNUAL INFORMATION FORM [4] DESCRIPTION OF THE BUSINESS Acquisition & Production History Wheaton is a streaming company which generates its revenue primarily from the sale of precious metals and cobalt. Wheaton enters into (i) precious metal purchase agreements to purchase all or a portion of the precious metals or cobalt production from mines located around the globe for an upfront payment and an additional payment upon the delivery of the precious metal or cobalt, and (ii) royalty agreements (together, PMPAs ).