Horizon Copper receives ISS backing for Royal Gold deal

Executive Summary

• Leading proxy advisory firms (ISS, Institutional Shareholder Services) recommend Horizon Copper securityholders vote in favor of the proposed arrangement with Royal Gold.
• The cash consideration offers a 72.4% premium to the unaffected share price, providing immediate value to shareholders.
• The board unanimously supports the resolution; the special meeting is scheduled for Oct. 9, 2025.

Key Details

• Proposed Arrangement: Horizon Copper Corp. (the “Company”) and Royal Gold Inc. have agreed on a plan of arrangement whereby Horizon securityholders will receive cash consideration at a 72.4% premium to the unaffected market price.
• Proxy Advisory Recommendations: Institutional Shareholder Services Inc., ISS, and other leading independent proxy advisory firms have issued recommendations in favor of voting “Yes” on the special resolution.
• Board Position: The Horizon board of directors unanimously recommends that securityholders vote for the arrangement.
• Special Meeting: Scheduled for Thursday, Oct. 9, 2025 at 8:00 a.m. Vancouver time, held in the Copper boardroom at Suite 3200, 733 Seymour St., Vancouver, B.C., Canada (V6B 0S6).
• Voting Deadline: Proxy voting deadline is 8:00 a.m. Vancouver time on Oct. 7, 2025.
• Proxy Solicitation Agent: Laurel Hill Advisory Group – toll‑free (North America) 1‑877‑452‑7184; international 1‑416‑304‑0211; email [email protected].
• Securityholder Materials: Management Information Circular and proxy voting instructions have been mailed to securityholders; full documents are available on Horizon’s website.

Notable Quotes

“The cash consideration represents a significant 72.4‑percent premium to the share price on the unaffected date, providing both certain and immediate value.” – Institutional Shareholder Services (ISS) report.