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Jaguar Mining Inc. Annual General Meeting of Shareholders Voting Results

Corporate Updates

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JAGUAR MINING INC.

1400-25 Adelaide Street East, Toronto, Ontario M5C 3A1 T: 416-847-1854

Jaguar Mining Inc. Annual General Meeting of Shareholders Voting Results

Toronto, June 18, 2026 – Jaguar Mining Inc. (“Jaguar” or the “Company”) (TSX: JAG) is pleased to announce

the voting results from its Annual General of Shareholders held (virtually) at 10am EST on June 18, 2026. All the

resolutions proposed at the meeting were duly passed.

Election of Directors

Each of the nominees for election as directors listed in the Company’s management information circular dated May 15,

2026, were elected as directors of the Company for the ensuing year or until their successors are elected or appointed.

The voting results for the election of directors were as follows:

Nominee Votes For % For Votes Withheld % Withheld

William J. Kennedy 49,292,301 99.825% 86,189 0.175%

Benjamin Guenther 48,738,309 98.704% 318,030 1.296%

Thomas Weng 48,431,604 98.082% 946,886 1.918%

Shastri Ramnath 49,212,917 99.665% 165,573 0.335%

Mary-Lynn Oke 49,233,123 99.706% 145,367 0.294%

Luis Ricardo Miraglia 47,961,894 97.131% 1,416,596 2.869%

Luis Albano Tondo 49,232,915 145.575 145,575 0.295%

Other Items

Appointment of Auditors

The voting results for the appointment of the auditors of the Company (KPMG LLP), as well as authorizing the directors

to fix the auditors’ remuneration and the terms of their engagement, were as follows:

Votes For % For Votes Withheld % Withheld

53,466,686 99.267% 394,898 0.733%

Voting results for all resolutions can also be found under the Company’s SEDAR+ profile page at www.sedarplus.ca.

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JAGUAR MINING INC.

1400-25 Adelaide Street East, Toronto, Ontario M5C 3A1 T: 416-847-1854

About Jaguar Mining Inc.

Jaguar Mining Inc. is a Canadian-listed junior gold mining, development, and exploration company

operating in Brazil with three gold mining complexes and a large land package with significant upside

exploration potential from mineral claims. The Company's principal operating assets are located in the Iron

Quadrangle, a prolific greenstone belt in the state of Minas Gerais and include the MTL complex (Turmalina

mine and plant) and Caeté complex (Pilar and Roça Grande mines, and Caeté plant). The Roça Grande

mine has been on temporary care and maintenance since April 2019. The Company also owns the

Paciência complex (Santa Isabel mine and plant), which had been on care and maintenance since 2012

and is under review to restart in 2026. Additional information is available on the Company's website

at www.jaguarmining.com.

For further information please contact:

Luis Albano Tondo

Chief Executive Officer

Jaguar Mining Inc.

[email protected]

Naomi Nemeth

Vice President Investor Relations

Jaguar Mining Inc.

[email protected]

+1 647 882 4257