Horizon Copper Shareholders and Warrantholders Approve Proposed Plan of Arrangement with Royal Gold

Core Viewpoint - Horizon Copper Corp. has successfully obtained approval from its securityholders for a plan of arrangement with Royal Gold, Inc., which will lead to the acquisition of all issued and outstanding shares of Horizon Copper, excluding those held by Sandstorm Gold Ltd. [1][2] Group 1: Voting Results - Over 80% of the Company's issued common shares were represented at the Special Meeting held on October 9, 2025 [1] - The Arrangement was approved by 99.13% of votes cast by all shareholders present [2] - Votes cast by shareholders and warrantholders as a single class showed 99.36% approval, while 98.09% of votes from shareholders, excluding Sandstorm, were in favor [2] Group 2: Transaction Details - The completion of the Horizon Transaction is expected on October 20, 2025, pending customary closing conditions, including court approval [3] - Following the Arrangement, the Company plans to delist its shares from the TSX Venture Exchange and cease being a reporting issuer in applicable jurisdictions [3] Group 3: Company Overview - Horizon Copper holds a portfolio of significant copper assets, including a 1.66% net profits interest in the Antamina copper mine and a 30% interest in the copper-gold Hod Maden project [5]