CR08259-2025

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.

Mabuhay Vinyl CorporationMVC

PSE Disclosure Form 17-18 - Other SEC Forms/Reports/Requirements

Form/Report Type Attendance in Corporate Governance Seminar
Report Period/Report Date Dec 3, 2025
Description of the Disclosure

In compliance with SEC Memorandum Circular No. 20, Series of 2013, attached is a copy of the certificate of
attendance of Atty. Maria Melva E. Valdez, Corporate Secretary of Mabuhay Vinyl Corporation.

Filed on behalf by:
Name Ma. Melva Valdez
Designation Compliance Officer/Corporate Secretary