Capstone Mining Corp.: Capstone to Release Q1 2021 Results on April 27, 2021 Q1 2021 RESULTS CONFERENCE CALL AND WEBCAST DETAILS Link to the webcast and audio: https://produceredition.webcasts.com/starthere.jsp?ei=1442216&tp_key=bb14159f30 Dial-in numbers for the audio-only portion of the conference call are below. Due to an increase in call volume, please dial-in at least five minutes prior to 10:00am ET to ensure placement into the conference line on time. Toronto: (+1) 416-764-8650 Confirmation #11415542 A replay of the conference call will be available until May 5, 2021. Dial-in numbers for Toronto: (+1) 416-764-8677 and North American toll free: 888-390-0541. The replay code is 415542#. Following the replay, an audio file will be available on Capstone's website at: https://capstonemining.com/investors/events-and-presentations/default.aspx.