Capstone Copper to Release First Quarter Results on May 3, 2023

VANCOUVER, British Columbia–(BUSINESS WIRE)–Capstone Copper Corp. (�Capstone” or the “Company”) (TSX:CS) will release its 2023 first quarter (“Q1 2023”) results on Wednesday, May 3, 2023 prior to market open. The announcement will be followed by an investor conference call the same day at 11:00 am Eastern Time / 8:00 am Pacific Time.

After the replay expiration, an audio file will be available on Capstone’s website at Capstone Copper – Events and Presentations. Further information is available at www.capstonecopper.com.

Contacts

Jerrold Annett, SVP, Strategy & Capital Markets

647-273-7351

jannett@capstonecopper.com

Daniel Sampieri, Director, Investor Relations & Strategic Analysis

437-788-1767

dsampieri@capstonecopper.com