Jaguar Mining Provides Update on Progress Since the Previously Announced Incident at the Satinoco Tailings Pile

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Jaguar Mining Inc. ("Jaguar" or the "Company") (TSX:JAG) provides an update on its remediation efforts and progress made since a slump occurred in the north wall of the Satinoco dry-stack (waste rock and tailings) pile at its Turmalina mine, as initially announced by the Company on December 9, 2024. Operations at the Turmalina mine remain temporarily suspended while the Company works constructively with the Brazilian National Mining Agency and other authorities. The Turmalina mine is part of the Company's MTL mining complex located in the state of Minas Gerais, Brazil, approximately 130 kilometers northwest of the city of Belo Horizonte. The Company's Pilar mine in Brazil remains operational.

Within hours of the slump, the Company installed geological radars to monitor the Satinoco pile. Within two days, additional radars were installed to track any movement of the full pile. Four sumps were also constructed to manage water runoff around the slumped material, which is important given the start of the rainy season in the region. Despite recent heavy rainfall, no significant movement has been detected in the pile.

The lateral extension of the slumped material damaged seven houses in the adjacent Casquilho community, which was evacuated ahead of the slide occurring. As a result, approximately 85 families have been relocated to temporary accommodations. The Company will continue to support these families until they can return to their homes or other permanent arrangements have been made. To ensure the adjacent community is protected from potential further movement of the slumped material, the Company has constructed a 400-metre-long containment barrier. This barrier was constructed within seven days of the slide, using waste rock that was stockpiled nearby. The return of residents to their homes will be dependent on assuring the future safety of the area.

FIGURE 1 - The 400-metre-long containment barrier built around the slumped material to prevent any further movement and protect the adjacent community.

As previously announced, there were no reported injuries. The Company also reports that waterways in the area have not been impacted The Company continues to work diligently to minimize the impact to the environment, local communities, and to ensure the safety of all personnel working to stabilize the pile. Planning efforts are focused on ensuring long-term stability of the pile. All actions and future plans are being coordinated between Jaguar personnel, multiple national and state agencies, and third-party specialists hired by the Company.