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)

Oct 7, 2026

2. SEC Identification Number

10044

3. BIR Tax Identification No.

000283731000

4. Exact name of issuer as specified in its charter

PHILEX MINING CORPORATION

5. Province, country or other jurisdiction of incorporation

Philippines

6. Industry Classification Code(SEC Use Only)

7. Address of principal office

Launchpad, Reliance cor Sheridan Streets Postal Code 1550

8. Issuer's telephone number, including area code

+632 8631 1381

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

Mandaluyong City

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	5,782,399,068

11. Indicate the item numbers reported herein

17-C Item 9. Other Events

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.

Philex Mining CorporationPX

PSE Disclosure Form 4-8 - Change in Directors and/or Officers
(Resignation/Removal or Appointment/Election)
References: SRC Rule 17 (SEC Form 17-C) and
Section 4.4 of the Revised Disclosure Rules

Subject of the Disclosure
Promotion of Mr. Venancio Gel A. Romero
Background/Description of the Disclosure
Philex Mining Corporation (the “Company”) announces that its Board of Directors approved on 7 October 2026 the promotion of Mr. Venancio Gel A. Romero from Assistant Vice President for Corporate Engineering and Business Development to Vice President for Corporate Engineering, effective on the same date. Mr. Romero will also serve concurrently as Vice President for Operations of Silangan Mindanao Mining Company, Inc. (“SMMCI”), subject to the requisite approval of SMMCI. Mr. Romero joined the Company in September 2002 as a Cadet Engineer and has served the Company continuously for 24 years. He has held his current Assistant Vice President position since October 2025. He was designated Project Lead of the Silangan Project in 2022 and has been involved in its feasibility study, funding initiatives, technical presentations to banks and prospective investors, and the construction and commissioning of the Process Plant. He holds a Bachelor of Science in Mining Engineering from the University of the Philippines.

Resignation/Removal or Replacement

Name of Person	Position/Designation	Effective Date of Resignation/Cessation of term (mmm/dd/yyyy)	Reason(s) for Resignation/Cessation
-	-	-	-

Election or Appointment

Name of Person	Position/Designation	Date of Appointment/Election (mmm/dd/yyyy)	Effective Date of Appointment Election (mmm/dd/yyyy)	Shareholdings in the Listed Company		Nature of Indirect Ownership
				Direct	Indirect
-	-	-	-	-	-	-

Promotion or Change in Designation

Name of Person	Position/Designation		Date of Approval (mmm/dd/yyyy)	Effective Date of Change (mmm/dd/yyyy)	Shareholdings in the Listed Company		Nature of Indirect Ownership
	From	To			Direct	Indirect
Venancio Gel A. Romero	Assistant Vice President for Corporate Engineering and Business Development	Vice President for Corporate Engineering	Oct/07/2026	Oct/07/2026	-	-	-

Other Relevant Information
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