Minsur S.A. announced the extension of the Expiration Date and Settlement Date (each, as defined below) of its offer to purchase for cash its outstanding 6.250% Senior Notes due 2024 (the "Notes") for an aggregate purchase price of up to $300 million, in accordance with Minsur's Offer to Purchase dated May 19, 2021 (the "Offer to Purchase") pursuant to which the tender offer is being made. The tender offer will expire at 8:00 a.m., New York City time (7:00 a.m., Lima time), on July 1, 2021, unless further extended, or earlier expired or terminated by Minsur (such time and date, as the same may be further extended, or earlier expired or terminated by Minsur in its sole discretion, the "Expiration Date"). As of 4:15 p.m., New York City time, on June 16, 2021, $262,357,000 aggregate principal amount, or approximately 58.30%, of the Notes had been validly tendered and not withdrawn. Tendered Notes may not be withdrawn, except as provided for in the Offer to Purchase or required by applicable law. Minsur is not extending the Withdrawal Deadline (as defined in the Offer to Purchase) or otherwise reinstating withdrawal rights of Holders. Holders who did not validly tender their Notes on or prior to the Early Tender Deadline (as defined in the Offer to Purchase), and validly tender their Notes at or prior to the Expiration Date will be eligible to receive the tender consideration of $1,035 per $1,000 principal amount of tendered Notes. Accrued and unpaid interest will be paid on all Notes validly tendered and accepted for purchase from the last interest payment date up to, but not including, the settlement date, which is now expected to be on July 5, 2021.