Disclosures to SEC, PSE and Other Agencies

List of Top 100 Stockholders (Common Shares) as of June 30, 2024

Public Ownership Report as of June 30, 2024

Monthly Board Lot Report (June)

Monthly Foreign Ownership Report (June)

SEC Form 23-A (Peter Sharpe)

SEC Form 23-A (David John Bickerton)

SEC Form 23-A (Joan D. Adaci-Cattiling)

SEC Form 23-A (Liang Tang)

SEC Form 23-A (Marius Van Niekerk)

SEC Form 23-A (ID1 Lipana)

SEC Form 23-A(ID2 Domingo)

SEC Form 23-A(ID3 Gentugaya)

SEC Form 23-A(Karina Dulinayan)

SEC Form 23-A (Cherrie Burabod)

SEC Form 23-A (Dyann Rabaya)

SEC Form 23-A (OGPHI)

OGP 17-C Stabilization Activities as of 17 May 2024

OGP 17-C Stabilization Activities as of 22 May 2024

OGP 17-C Stabilization Activities as of 24 May 2024

OGP - 17-C as of 24 May 2024

OGP SEC Form 17-C as of 27 May 2024

SEC Form 23-B OGPHI_May 2024

Monthly Board Lot Report (May)

Monthly Foreign Ownership Report (May)

SEC Form 17-C Declaration of Cash Dividends

SEC Form 17-C OceanaGold Second Quarter Results Release

SEC Form 17-C Press Release Q2 2024

Foreign Ownership Report for month ended 31 July 2024

Board Lot Report for month ended 31 July 2024

SEC Form 17-C Clarification of News Report_Next Didipio Mine

Board Lot Report for month ended 31 August 2024

Foreign Ownership Report for month ended 31 August 2024

Board Lot Report for month ended 30 September 2024

Foreign Ownership Report for month ended 30 September 2024

Declaration of Cash Dividends Q3 2024

PSE Form 4-8 Election of Corporate Officers November 6, 2024

PSE Form 4-31 Press Release- Q3 2024

PSE Form 17-2 Quarterly Report - Q3 2024

Notice of Q3 2024 Analysts' and Investors' Briefing

Board Lot Report for month ended 31 October 2024

Foreign Ownership Report for month ended 31 October 2024

Board Lot Report for month ended 30 November 2024

Foreign Ownership Report for month ended 30 November 2024