Minsur S.A. announced that $256,672,000 aggregate principal amount, or approximately 57.04% (the "Tendered Notes"), of its outstanding 6.250% Senior Notes due 2024 (the "Notes") were validly tendered and not withdrawn by 5:00 p.m., New York City time (4:00 p.m., Lima time), on June 2, 2021 (the "Early Tender Deadline") in accordance with Minsur's Offer to Purchase dated May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. Holders that validly tendered prior to the Early Tender Deadline, and whose Notes are accepted, will be eligible to receive a total consideration of $1,085 per $1,000 principal amount of Tendered Notes, which includes an early tender premium of $50 per $1,000 principal amount of Notes, plus accrued and unpaid interest up to, but not including, the settlement date, which is expected to be on June 21, 2021 (the "Settlement Date"). The tender offer is being made solely pursuant to the terms and conditions set in the Offer to Purchase which sets a more detailed description of the tender offer. Holders of the Notes are urged to carefully read the Offer to Purchase before making any decision with respect to the tender offer. The tender offer will expire at 8:00 a.m., New York City time (7:00 a.m., Lima time), on June 17, 2021, unless extended, or earlier expired or terminated by Minsur (such time and date, as the same may be extended, or earlier expired or terminated by Minsur in its sole discretion, the "Expiration Date"). Tendered Notes may not be withdrawn after the Early Tender Deadline, except as provided for in the Offer to Purchase or required by applicable law.