CR00150-2026

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.

Concrete Aggregates CorporationCA

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

Form/Report Type Advisement Letter on the Attendance of the Directors at meetings held in 2025
Report Period/Report Date Dec 31, 2025
Description of the Disclosure

Please find attached advisement letter on the attendance of the members of the Board of Directors of Concrete Aggregates Corp. at the board meetings held in 2025, which we also filed with the Securities and Exchange Commission.

Filed on behalf by:
Name Jose Antonio III Evangelista
Designation Corporate Secretary, Compliance Officer, and Chief Risk Officer