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)

Nov 3, 2026

2. SEC Identification Number

31171

3. BIR Tax Identification No.

000-168-801

4. Exact name of issuer as specified in its charter

PETRON CORPORATION

5. Province, country or other jurisdiction of incorporation

Philippines

6. Industry Classification Code(SEC Use Only)

7. Address of principal office

San Miguel Head Office Complex, 40 San Miguel Avenue, Mandaluyong City Postal Code 1550

8. Issuer's telephone number, including area code

(63 2) 8884-9200

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

N/A

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 (PCOR)	8,911,446,400
PREFERRED SERIES 4A (PRF4A)	5,000,000
PREFERRED SERIES 4B (PRF4B)	2,995,000
PREFERRED SERIES 4C (PRF4C)	6,005,000
PREFERRED SERIES 4D (PRF4D)	8,500,000
PREFERRED SERIES 4E (PRF4E)	8,330,000
PCOR SERIES F BONDS DUE 2027 (IN PESOS)	9,000,000,000
PCOR SERIES G BONDS DUE 2030 (IN PESOS)	15,910,000,000
PCOR SERIES H BONDS DUE 2032 (IN PESOS)	4,604,000,000
PCOR SERIES I BONDS DUE 2035 (IN PESOS)	11,486,000,000
TOTAL DEBT AS OF SEPT 30 2026 (IN MIL PESO-CONSO)	241,848

11. Indicate the item numbers reported herein

Item 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.

Petron CorporationPCOR

PSE Disclosure Form 4-4 - Amendments to By-Laws References: SRC Rule 17 (SEC Form 17-C) and
Section 4.4 of the Revised Disclosure Rules

Subject of the Disclosure
Amendments of the By-Laws of the Company.
Background/Description of the Disclosure
Amendments of the By-Laws of the Company.

Date of Approval by Board of Directors	Nov 3, 2026
Date of Approval by Stockholders	N/A
Other Relevant Regulatory Agency, if applicable	-
Date of Approval by Relevant Regulatory Agency, if applicable	N/A
Date of Approval by Securities and Exchange Commission	TBA
Date of Receipt of SEC approval	TBA

Amendment(s)

Article and Section Nos.	From	To
Article V, Section 8	“SECTION 8. Chief Executive Officer. The Board shall designate as the Chief Executive Officer either the Chairman of the Board or the President of the Corporation, with the other to act as such in case of the absence of the person designated. The Chief Executive Officer shall perform such duties as shall from time to time be assigned to him by the Board of Directors.”	To further specify the role of a Chief Executive Officer: “SECTION 8. Chief Executive Officer. The Chairman of the Board shall serve as the Chief Executive Officer. The Chief Executive Officer is responsible for the general supervision, administration and management of the business of the Corporation. The Chief Executive Officer shall perform such duties as shall from time to time be assigned to him by the Board of Directors.”
Article V, Section 9	N/A	To specify the role of a Chief Operating Officer: “SECTION 9. Chief Operating Officer. The President shall serve as the Chief Operating Officer, who shall have over-all and direct supervision, administration and management of the day-to-day business affairs of the Corporation. The Chief Operating Officer shall likewise have the power and duty to establish general administrative and operating policies.”
Article V, Section 10	“SECTION 9. Vice Presidents. Each Vice President shall perform such duties as shall from time to time be assigned to such person by the Board of Directors.”	To renumber the affected provisions: “SECTION 10. Vice Presidents. Each Vice President shall perform such duties as shall from time to time be assigned to such person by the Board of Directors.”
Article V, Section 11	“SECTION 10. The Secretary. The Secretary shall keep or cause to be kept, in books provided for such purpose, the minutes of the meeting of the stockholders and of the Board of Directors; shall give, or cause to be given, notice of all meetings of stockholders and directors and all other notices required by law or by these By-Laws and, in the case of his absence or refusal or neglect to do so, any such notice may be given by any person thereunto directed by the Chairman of the Board or the President, or by the directors or stockholders, upon whose request the meeting is called as provided in these By-Laws; shall be custodian of the records and of the seal of the Corporation; shall keep a register of the post office address x x x.”	To renumber the affected provisions: “SECTION 11. The Secretary. The Secretary shall keep or cause to be kept, in books provided for such purpose, the minutes of the meeting of the stockholders and of the Board of Directors; shall give, or cause to be given, notice of all meetings of stockholders and directors and all other notices required by law or by these By-Laws and, in the case of his absence or refusal or neglect to do so, any such notice may be given by any person thereunto directed by the Chairman of the Board or the President, or by the directors or stockholders, upon whose request the meeting is called as provided in these By-Laws; shall be custodian of the records and of the seal of the Corporation; shall keep a register of the post office address x x x.”
Article V, Section 12	“SECTION 11. The Treasurer. The Treasurer shall give such bond for the faithful performance of his duties as the Board of Directors shall require. The Treasurer shall have charge and custody of, and be responsible for, all funds, securities, evidences of indebtedness and other valuable documents of the Corporation, and deposit all such funds in the name of the Corporation in such banks, trust companies or other depositories as shall be selected in accordance with the provisions of these By-Laws; at all reasonable times exhibit his books of account and records to any of the directors of the Corporation upon application during business hours at the office of the Corporation where such books and records are kept; when required by the Chairman of the Board, the President or the Board of Directors, render a statement of the condition of the finances of the Corporation; x x x.”	To renumber the affected provisions: “SECTION 12. The Treasurer. The Treasurer shall give such bond for the faithful performance of his duties as the Board of Directors shall require. The Treasurer shall have charge and custody of, and be responsible for, all funds, securities, evidences of indebtedness and other valuable documents of the Corporation, and deposit all such funds in the name of the Corporation in such banks, trust companies or other depositories as shall be selected in accordance with the provisions of these By Laws; at all reasonable times exhibit his books of account and records to any of the directors of the Corporation upon application during business hours at the office of the Corporation where such books and records are kept; when required by the Chairman of the Board, the President or the Board of Directors, render a statement of the condition of the finances of the Corporation; x x x.”
Article V, Section 13	“SECTION 12. Controller. The Controller shall have the custody of all the Corporation’s books of account, supervise the keeping of books and records of all assets, liabilities and transactions of the Corporation, and do and perform such other duties as may pertain to his office or may from time to time be assigned to him by the Board of Directors.”	To renumber the affected provisions: “SECTION 13. Controller. The Controller shall have the custody of all the Corporation’s books of account, supervise the keeping of books and records of all assets, liabilities and transactions of the Corporation, and do and perform such other duties as may pertain to his office or may from time to time be assigned to him by the Board of Directors."
Article V, Section 14	“SECTION 13. General Counsel. The General Counsel shall have charge of all the legal affairs of the Corporation, supervise the Corporation’s contract relations, and perform such other duties as may from time to time be assigned by the Board of Directors.”	To renumber the affected provisions: “SECTION 14. General Counsel. The General Counsel shall have charge of all the legal affairs of the Corporation, supervise the Corporation’s contract relations, and perform such other duties as may from time to time be assigned by the Board of Directors.”

Rationale for the amendment(s)
The amendments will create the position of a Chief Operating Officer as a by-law officer and provide for its roles and responsibilities distinct from the Chief Executive Officer.

The timetable for the effectivity of the amendment(s)

Expected date of filing the amendments to the By-Laws with the SEC	TBA
Expected date of SEC approval of the Amended By-Laws	TBA

Effect(s) of the amendment(s) to the business, operations and/or capital structure of the Issuer, if any
None.
Other Relevant Information
Please see attached current report on SEC Form 17-C. We note that the power to amend the by-laws is delegated to the Board of Directors under the Company's by-laws so no further stockholders' ratification is necessary.