Horizon Copper Announces Filing and Mailing of Meeting Materials for the Special Meeting of Securityholders on October 9, 2025

Core Viewpoint - Horizon Copper Corp. is proposing a special resolution for a transaction where Royal Gold, Inc. will acquire all issued and outstanding Horizon Shares and Warrants, offering C$2.00 per share, which represents significant premiums over recent trading prices [3][5]. Meeting Details - The special meeting for Securityholders is scheduled for October 9, 2025, at 8:00 a.m. Vancouver time, with a record date of September 8, 2025, for eligible voters [2]. Transaction Overview - The proposed Arrangement involves Royal Gold acquiring Horizon Shares and Warrants, with Shareholders receiving C$2.00 per share, implying an 85% premium to the 20-day volume weighted average trading price and a 72% premium to the closing price on July 4, 2025 [3][5]. - The all-cash transaction is valued at approximately US$196 million [3]. Board Recommendation - The Board of Directors, following a unanimous recommendation from an independent special committee, supports the Arrangement, stating it is in the best interests of Securityholders [4]. Strategic Rationale - The Arrangement offers significant value due to the high premium over recent trading prices, immediate liquidity, and reduced long-term business risks [5]. - The all-cash offer eliminates financing conditions, providing certainty of value for Securityholders [5]. Voting Information - Securityholders are encouraged to vote in favor of the Arrangement Resolution, with the proxy voting deadline set for October 7, 2025, at 8:00 a.m. Vancouver time [6].