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)

Dec 26, 2025

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	39,951,435,064
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 4-2 - Acquisition/Disposition of Shares of Another Corporation
References: SRC Rule 17 (SEC Form 17-C) and
Section 4.4 of the Revised Disclosure Rules

Subject of the Disclosure
Subscription by ACEN to shares in ENEX Energy Corp.
Background/Description of the Disclosure
Further to the Board’s approval on March 11, 2024 of ACEN’s subscription to the preferred shares of ENEX Energy Corp. (“ENEX”), the Company executed a subscription contract with ENEX covering the Company’s subscription to 17,400,000 non-voting preferred shares, with a par value of Php1.00 per share, for an aggregate subscription price of Php17,400,000.00 (the “Subscription Price”). The shares will be issued from ENEX’s unissued authorized capital stock.

Date of Approval by Board of Directors	Mar 11, 2024

Rationale for the transaction including the benefits which are expected to be accrued to the Issuer as a result of the transaction
The Subscription Price will be used to fund the operational requirements of ENEX.

Details of the acquisition or disposition

Date	Dec 26, 2025

Manner
Subscription to non-voting Preferred Shares.
Description of the company to be acquired or sold
ENEX is a listed company, and its primary purpose is to engage in the business of oil and gas exploration and production, both domestically and internationally. ACEN is the principal stockholder of ENEX.

The terms and conditions of the transaction

Number of shares to be acquired or disposed	17,400,000
Percentage to the total outstanding shares of the company subject of the transaction	1.3
Price per share	Php1.00

Nature and amount of consideration given or received
Full payment of the Subscription Price.
Principle followed in determining the amount of consideration
Subscription at par value.
Terms of payment
Cash payment.
Conditions precedent to closing of the transaction, if any
None.
Any other salient terms
None.

Identity of the person(s) from whom the shares were acquired or to whom they were sold

Name	Nature of any material relationship with the Issuer, their directors/ officers, or any of their affiliates
ENEX Energy Corp.	Subsidiary of the Company.

Effect(s) on the business, financial condition and operations of the Issuer, if any
Additional investment in a subsidiary.
Other Relevant Information
This disclosure is related to Disclosure Report Nos. C01359-2024, C02673-2024 and C04443-2024 dated March 12, 2024, May 2, 2024 and July 2, 2024, respectively.