Christopher Glynn

Matt Summerville

Gregory Dahlberg

Samuel Struhsaker

Myles Walton

Michael Ciarmoli

- Barrick Mining Corporation announced a **leadership transition** on **September 29, 2025**, with **Mark Hill** appointed as **Group COO and Interim President & Chief Executive Officer**, effective immediately.  **[756894_0001193125-25-222860_d942720d6k.htm:0]** **[756894_0001193125-25-222860_d942720dex991.htm:0]** 
- This appointment follows the **departure of Mark Bristow** as President and CEO after nearly seven years, during which he led the successful integration of Barrick and Randgold in 2019.  **[756894_0001193125-25-222860_d942720dex991.htm:0]** 
- The Board has initiated a search for a permanent President & CEO, and the company expects to perform in line with its Full Year expectations.  **[756894_0001193125-25-222860_d942720dex991.htm:0]**

BARRICK MINING (B)