ARIS MINING TO JOIN THE S&P/TSX COMPOSITE INDEX

Group 1 - Aris Mining Corporation will be added to the S&P/TSX Composite Index on September 22, 2025 [1] - The announcement was made by S&P Dow Jones Indices on September 5, 2025 [1] - The addition to the index is expected to enhance the visibility and liquidity of Aris Mining's common shares [1]