C08056-2026

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 11, 2026
2. SEC Identification Number
39274
3. BIR Tax Identification No.
000-506-020-000
4. Exact name of issuer as specified in its charter
ACEN CORPORATION
5. Province, country or other jurisdiction of incorporation
Makati City, Philippines
6. Industry Classification Code(SEC Use Only)
7. Address of principal office
35th Floor Ayala Triangle Gardens Tower 2, Paseo de Roxas corner Makati Avenue, Makati City Postal Code 1226
8. Issuer's telephone number, including area code
(632) 7730 6300
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 Shares 39,969,736,051
Series A Preferred Shares 8,341,500
Series B Preferred Shares 16,658,500
11. Indicate the item numbers reported herein
Other Matters

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.

ACEN CORPORATIONACEN

PSE Disclosure Form 4-30 - Material Information/Transactions References: SRC Rule 17 (SEC Form 17-C) and
Sections 4.1 and 4.4 of the Revised Disclosure Rules

Subject of the Disclosure

Matters approved at the regular meeting of the Board of Directors held on 11 November 2026 in person at the ACEN Boardroom, 35th Floor, Ayala Triangle Gardens Tower 2, Paseo de Roxas corner Makati Avenue, Makati City, and via videoconference.

Background/Description of the Disclosure

1. Schedule, agenda, relevant dates for the 2027 Annual Stockholders’ Meeting and the delegation to the Chairman of other matters that may later be determined and communicated to the stockholders through the Information Statements;
2. Schedule of the 2027 Dividend Declaration and Payment Schedule for the Company’s Preferred Shares;
3. Appointment of Mr. Roman Miguel G. de Jesus as President and Chief Executive Officer of ACE Renewables Philippines, Inc., doing business under the name ACEN Philippines effective 1 January 2027;
4. Acceptance of resignation of Mr. Jonathan P. Back as Group Chief Finance Officer and Group Strategy Officer effective 1 January 2027, and the appointment of Ms. Ma. Cecilia T. Cruzabra as Group Chief Finance Officer to replace Mr. Back, effective 1 January 2027;
5. Acceptance of resignation of Ms. M. Andrea H. de Castro as Group Treasurer effective 1 January 2027, and the appointment of Mr. Theodore Ivan R. Paris as Group Treasurer to replace Ms. de Castro effective 1 January 2027;
6. Additional ACEN Cayman credit lines;
7. Increase of credit lines with Landbank of the Philippines and a new omnibus credit line with the Philippine Veterans Bank;
8. Additional Funding for the Palauig 2 Solar Project; and
9. The Company’s 2027 Business Plan and Budget.

Other Relevant Information

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Filed on behalf by:
Name Candy Dacanay-Datuon
Designation Assistant Vice President