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OceanaGold (Philippines), Inc.OGP

PSE Disclosure Form 17-7 - Statement of Changes in Beneficial
Ownership of Securities References: SRC Rule 23 and
Section 17.5 of the Revised Disclosure Rules

Name of Reporting Person	Karina P. Dulinayan
Relationship of Reporting Person to Issuer	Officer

Description of the Disclosure
SEC Form 23-B (Statement of Changes in Beneficial Ownership of Securities) for Karina P. Dulinayan following her resignation as Corporate Secretary on 4 November 2026 and as disclosed to the Philippine Stock Exchange Inc. on https://edge.pse.com.ph/openDiscViewer.do?edge_no=0b1da8e1c0848d1664d70b69f0a3140b. The filing reports cessation of her status as a reporting officer.