Mackay Gold & Silver adds second drill rig for 20,000-meter Phase 1 Comstock program in Nevada

• Mackay Gold & Silver mobilized a second drill rig at its 100%-owned Comstock District project in Nevada, starting diamond core drilling.
• The core rig anchors a 5,000-meter program within a 20,000-meter Phase 1 campaign, running alongside an RC rig active since mid-June.
• Initial core target is the historic Sutro Tunnel intersection of the Occidental-Brunswick lode, a 30-meter interval about 450 meters deep.
• Core holes are planned on roughly 100-meter spacing to test above, below, and along strike of the untested tunnel intersection.
• RC drilling has completed 25 holes for about 4,000 meters at Occidental South; assays are pending, with first results expected soon.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Mackay Gold & Silver Corp. published the original content used to generate this news brief via Newsfile (Ref. ID: 202608200800NEWSFILECNPR____20260820_310564_1) on August 20, 2026, and is solely responsible for the information contained therein.