Ms. Ann Wilkinson reports

MINEROS PROPOSES APPROXIMATELY US$58 MILLION SPECIAL DIVIDEND, EQUIVALENT TO US$0.20 PER SHARE, AND CALLS SPECIAL MEETING OF SHAREHOLDERS

Mineros S.A.'s board of directors has called an extraordinary meeting of shareholders. The meeting will be held at 10 a.m. (Colombia time) on Nov. 24, 2026, in the Salon Gran Real of the Hotel Marriott, Calle 1a Sur No. 43a-83, Medellin, Antioquia, Colombia.

The matters to be voted on or addressed at the meeting are as follows:

1. Verification of quorum and introduction to the meeting;
2. Approval of the meeting agenda;
3. Appointment of the commission for the scrutiny, review and approval of the minutes of the meeting;
4. Approval of the release of occasional reserves and distribution of the amount released to shareholders as an extraordinary dividend.

Proposed extraordinary dividend

At the meeting, shareholders will be asked to approve the release of a portion of the company's occasional reserves, constituted out of profits of fiscal years ended on or before Dec. 31, 2025, and the distribution of the released amount as a one-time extraordinary cash dividend of 20 U.S. cents per common share.

If approved, the extraordinary dividend will be payable in a single instalment on Dec. 4, 2026, to shareholders of record on Dec. 1, 2026. It is in addition to, and does not affect, the ordinary dividend of 10 U.S. cents per share approved on March 27, 2026. The board recommends that shareholders vote for the resolution.

Dividends paid to shareholders holding through the Canadian system will be subject to a 20-per-cent Colombian withholding tax. Eligible shareholders may claim any excess withholding through the procedure described in the management information circular dated Oct. 15, 2026.

Meeting materials and voting

The record date for shareholders in the Canadian market is Oct. 15, 2026. To be valid, proxies and voting instruction forms must be received by TSX Trust company no later than 10 a.m. (Colombia time) on Nov. 20, 2026.

The company is using notice and access. The circular and related materials are available on SEDAR+ and on the company's website. A live listen-only webcast of the meeting will be available on the company's website.

About Mineros S.A.

Mineros is a leading Latin American gold producer headquartered in Medellin, Colombia. The company benefits from a diversified asset portfolio, encompassing operating mines in Colombia and Nicaragua, alongside a pipeline of development and exploration projects located throughout the region, including the Porvenir development asset in Nicaragua, the La Pepa project in Chile and the Tolima project in Colombia.

With an operating history spanning over 50 years, Mineros is defined by a commitment to safety, sustainability and disciplined capital allocation. Its common shares are listed on the Toronto Stock Exchange (MSA) and the Colombia Stock Exchange (MINEROS), and trade on the OTCQX Best Market under the symbol MNSAF.

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