CR06994-2026

The Exchange does not warrant and holds no responsibility for the veracity of the facts and representations contained in all corporate disclosures, including financial reports. All data contained herein are prepared and submitted by the disclosing party to the Exchange, and are disseminated solely for purposes of information. Any questions on the data contained herein should be addressed directly to the Corporate Information Officer of the disclosing party.

Philex Mining CorporationPX

PSE Disclosure Form 17-18 - Other SEC Forms/Reports/Requirements

Form/Report Type 2026 Annual Corporate Governance Enhancement Session
Report Period/Report Date Oct 2, 2026
Description of the Disclosure

In compliance with the Securities and Exchange Commission's Code of Corporate Governance for Publicly Listed Companies, we submit the attached certificate of attendance of the directors and key officers of Philex Mining Corporation (as provided in the Advisement Letter) in the 2026 Annual Corporate Governance Enhancement Session on October 02, 2026, from 8:00 a.m. to 12:00p.m. at the Rizal Ballroom, Makati Shangri-La, Makati City and online, via Microsoft Teams.

Please refer to the attached.

Filed on behalf by:
Name Paraluman Navarro
Designation AVP Finance