C07467-2026

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)
Oct 16, 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
(02) 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 4-2 - 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 Giga Ace 8, Inc.

Background/Description of the Disclosure

ACEN CORPORATION ("ACEN") entered into a Subscription Agreement with its wholly owned subsidiary, Giga Ace 8, Inc. (the "SPV"), for an additional subscription by ACEN of 300 million Redeemable Preferred Shares "A" with a par value of Php10.00 per share, for a total subscription price of Php 3 billion (the "Subscription Price"), to be issued out of the increase of the SPV’s authorized capital stock (“ACS”).

Date of Approval by
Board of Directors
Mar 9, 2026
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 shall be used to finance the construction of the SPV's 300.011MWp / 237MWAC Palauig Solar 2 and 240MW / 520MWh Palauig 2 Battery Energy Storage System (BESS) Projects.

Details of the acquisition or disposition
Date Oct 16, 2026
Manner

Subscription to Redeemable Preferred Shares "A".

Description of the company to be acquired or sold

Giga Ace 8, Inc. is a special purpose vehicle of ACEN currently constructing 300.011MWp / 237MWAC Palauig Solar 2 and 240MW / 520MWh Palauig 2 Battery Energy Storage System (BESS) Projects.

The terms and conditions of the transaction
Number of shares to be acquired or disposed 300,000,000
Percentage to the total outstanding shares of the company subject of the transaction 31.5
Price per share 10
Nature and amount of consideration given or received

Cash payment for a total Subscription Price of Php 3 billion.

Principle followed in determining the amount of consideration

Subscription at par value.

Terms of payment

An initial payment of the Subscription Price in the amount of Php 2 billion shall be made upon execution of the Subscription Agreement. The balance of the Subscription Price shall be payable, in whole or in tranches, upon demand by the SPV, as may be required based on the SPV's funding requirements and exigencies, and subject to the approval of the SPV's Board of Directors.

Conditions precedent to closing of the transaction, if any

Full payment of the Subscription Price and the approval by the Securities and Exchange Commission ("SEC") of the increase in the authorized capital stock ("ACS") of the SPV.

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
Giga Ace 8, Inc. A wholly owned subsidiary of ACEN CORPORATION
Effect(s) on the business, financial condition and operations of the Issuer, if any

Additional investment in a wholly owned subsidiary.

Other Relevant Information

The number of additional shares acquired is equivalent to 300 million Redeemable Preferred “A” shares to be issued out of the increase in the SPV’s ACS.

The figure under “Percentage to the total outstanding shares of the company subject of the transaction” assumes SEC approval of application for increase in ACS.

This disclosure relates to Disclosure Report No. C06657-2026 dated 3 September 2026, as the proceeds of the current infusion will replace the funding arrangement described in the earlier disclosure.

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