Hudbay Minerals Inc. ("Hudbay" or the "company") (TSX, NYSE: HBM) announced today that it has received the approved Mine Plan of Operations ("MPO") for the Rosemont project from the U.S. Forest Service. The issuance of the MPO is the final administrative step in the permitting process.

Hudbay Minerals Inc. ("Hudbay" or the "company") (TSX, NYSE: HBM) announced today that it has reached an agreement with United Copper & Moly LLC ("UCM") to purchase UCM's 7.95% interest in the Rosemont project, and to terminate all of UCM's remaining earn-in and off-take rights, for upfront cash consideration of US$45 million, plus three annual installments of US$10 million per year, commencing July 1, 2022. In connection with the transaction, Hudbay has agreed to release UCM from any and all obligations in relation to the Rosemont project, including project loans representing its proportionate share of joint venture expenditures incurred beyond its initial earn-in investment. UCM is jointly owned by Korea Resources Corporation and LG International Corp.

Hudbay Minerals Inc. ("Hudbay" or the "company") (TSX, NYSE: HBM) announced today that it will hold its annual and special meeting of shareholders (the "Meeting") on May 7, 2019. The record date for determining the holders of the company's common shares (each, a "Common Share") entitled to receive notice of and vote at the Meeting is March 29, 2019.