• Highland Copper appointed Trace Arlaud as Copperwood project director as it works toward a construction decision.
• Arlaud most recently served as general manager execution at Rio Tinto’s Resolution Copper project, with earlier roles at Rio Tinto, Freeport-McMoRan, South32, and Hatch.
• Highland named Peter Hemstead interim CFO, replacing Cybill Tsung during her personal leave.
• Hemstead previously held CFO roles at Bluestone Resources and LunR Royalties, later serving as Bluestone president and CEO through its 2025 sale to Aura Minerals.
• Highland formed a technical advisory committee including former Copperwood project director Wynand van Dyk, with board members Jon Cherry and Melanie Miller.

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. Highland Copper Company Inc. published the original content used to generate this news brief via GlobeNewswire (Ref. ID: 202604210700PRIMZONECNPR____9693535) on April 21, 2026, and is solely responsible for the information contained therein.