Announcement of Expiration of Tender Offer by Compañía de Minas Buenaventura S.A.A. for Any and All of its 2026 Notes
1. Buenaventura's cash tender offer expired with 72.84% participation. 2. Final Notes purchase is pending and could change based on deliveries. 3. Eligible Note holders to receive $1,000 per $1,000 principal, plus interest.