CR00896-2026

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.

ATN Holdings, Inc.ATN

PSE Disclosure Form 17-14 - Annual Verification of the Mines and Geosciences Bureau Reference: Section 17.14 of the Revised Disclosure Rules

Subject of the Disclosure

Annual Verification of the Mines and Geosciences Bureau for ATN holdings, Inc.

Description of the Disclosure

In compliance with Section 17.14 of the Disclosure Rules of the Philippine Stock Exchange on the Annual Verification of the Bureau of Mines, we are submitting a copy of ATN Holdings, Inc.’s Certification from the DENR – Mines and Geosciences Bureau.

List of valid and subsisting mining properties

Mineral Production Sharing Agreement under MPSA No. 354-2024-IVA granted on 22 January 2024 for 82.7092 hectares, expiring on 22 January 2048

List of valid mining claims/leases, including a disclosure of all liens/encumbrances

n/a

Other Relevant Information

n/a

Filed on behalf by:
Name Paul Saria
Designation Chief Operations Officer, Corporate Information Officer, Assistant Corporate Secretary