SECURITIES AND EXCHANGE COMMISSIONSEC FORM 17-C

CURRENT REPORT UNDER SECTION 17
OF THE SECURITIES REGULATION CODE
AND SRC RULE 17.2(c) THEREUNDER

1. Date of Report (Date of earliest event reported)

Jul 15, 2026

2. SEC Identification Number

40058

3. BIR Tax Identification No.

000-483-747-000

4. Exact name of issuer as specified in its charter

Evangeline Espedido

5. Province, country or other jurisdiction of incorporation

Philippines

6. Industry Classification Code(SEC Use Only)

7. Address of principal office

34th Floor, Robinsons Equitable Tower, ADB Ave. Ortigas Center, Pasig City Postal Code 1600

8. Issuer's telephone number, including area code

0286337631

9. Former name or former address, if changed since last report

Not applicable

10. Securities registered pursuant to Sections 8 and 12 of the SRC or Sections 4 and 8 of the RSA

Title of Each Class	Number of Shares of Common Stock Outstanding and Amount of Debt Outstanding
Common Stock	193,084,900,000

11. Indicate the item numbers reported herein

9

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.

Oriental Petroleum and Minerals CorporationOPM

PSE Disclosure Form 9-1 - Share Buy-Back Transactions References: Section 9 of the Revised Disclosure Rules

Subject of the Disclosure
Oriental Petroleum and Minerals Corporation Share Buyback Transactions
Background/Description of the Disclosure
OPM's share buyback transactions as of July 15, 2026. On June 27, 2025, the Board of Directors of OPM approved a Share Buyback Program (SBP) involving up to Philippine Pesos: Two Hundred MIllion (Php200,000,000) worth of OPM's common shares for both Class A and B.

Type of Securities

• Common
• PreferredNot applicable
• OthersNot applicable

Details of Share Buy-Back Transaction(s)

Date of Transaction	Number of Shares Purchased	Price Per Share
Jul 15, 2026	100,000	0.013
	100,000

Effects on Number of Shares

	Before	After
Outstanding Shares	78,740,000,000	78,739,900,000
Treasury Shares	1,260,000,000	1,260,100,000

Cumulative Number of Shares Purchased to Date 1	1,260,100,000
Total Amount Appropriated for the Buy-Back Program	PHP 200,000,000
Total Amount of Shares Repurchased	PHP 14,651,832

Other Relevant Information
The above transactions and the indicated number of shares purchased to date and the total amount of shares repurchased are for OPM (B) shares only. Please note that the Total Amount Appropriated for the Buyback Program of up to Php200,000,000 is for OPM's common shares for both Class A and B

¹ From the date when the share buy-back program commenced.