Copper Standard Provides Portfolio and Corporate Update

Core Viewpoint - Copper Standard Resources Inc. is focusing on its existing projects in Peru while making management changes and evaluating new opportunities [2][6][9] Project Updates - The company has decided not to proceed with acquiring the Francisco José IV and V claims but retains a 100% interest in the El Ferrol property [2] - The Pacaska Project features a high-quality epithermal gold-silver target at surface and a copper-gold porphyry target at depth, with rock sampling showing gold mineralization ranging from 0.2 to 1.0 g/t Au and local values up to 17 g/t gold and 11% copper [3] - The Capricho Project contains a porphyry copper-molybdenum system with reported copper values up to 3% and is under option by Solaris Resources Inc. for a 75% interest [4] - The Paco Orco Project includes mineralized gossans with surface rock samples showing values up to 0.58% lead, 0.26% zinc, and 58 g/t silver, also under option by Solaris for a 75% interest [5] Management Changes - Steven Krause has been appointed as Chief Financial Officer effective September 30, 2025, bringing extensive experience in mining and mineral exploration [6] - Christian Uria will step down as CFO to pursue other opportunities, and the company expresses gratitude for his contributions [7] - Christian Milau will step down as a Director but will continue as a key advisor after being appointed President of Eldorado Gold Corporation [8]