Jaguar Mining Reports Updated Significant 49% Increase in Mineral Reserves at Pilar Mine, Reinforcing Long Term Growth Strategy

TORONTO, ON / ACCESS Newswire / March 31, 2026 / Jaguar Mining Inc. ("Jaguar" or the "Company") (TSX:JAG)(OTCQX:JAGGF) announces a positive update to the Mineral Reserves of its Pilar Mine (in the Caeté Complex), located in the Iron Quadrangle, Minas Gerais, Brazil, reflecting the successful execution of infill and step‑out drilling programs and geological model reinterpretation completed during 2025. During 2025, the Pilar Mine was Jaguar's sole operating mine, with the Turmalina Mine in the MTL Complex returning to operating status in March 2026 (see Jaguar Mining Press Release dated March 9, 2026).