C06853-2026

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)
Sep 15, 2026
2. SEC Identification Number
CS200909233
3. BIR Tax Identification No.
007-315-916
4. Exact name of issuer as specified in its charter
ALTERNERGY HOLDINGS CORPORATION
5. Province, country or other jurisdiction of incorporation
Metro Manila, Philippines
6. Industry Classification Code(SEC Use Only)
7. Address of principal office
Level 3B, 111 Paseo de Roxas Building, Paseo de Roxas Avenue corner Legazpi Street, Legaspi Village, Makati City Postal Code 1229
8. Issuer's telephone number, including area code
+632 8813 4678
9. Former name or former address, if changed since last report
NA
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 3,933,840,480
Perpetual Preferred 1 370,398,637
Perpetual Preferred 2-Series A 100,000,000
11. Indicate the item numbers reported herein
Item 9 - Other Events

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.

Alternergy Holdings CorporationALTER

PSE Disclosure Form 4-4 - Amendments to By-Laws References: SRC Rule 17 (SEC Form 17-C) and
Section 4.4 of the Revised Disclosure Rules

Subject of the Disclosure

Amendment of the By-laws of Alternergy Holdings Corporation ("ALTER") to change the date of its Annual Stockholders' Meeting.

Background/Description of the Disclosure

The Board of Directors of ALTER, on 15 September 2026, approved the amendment of its By-Laws (without need for the affirmative vote of stockholders representing not less than 2/3 of the outstanding capital stock as, pursuant to Article VIII, Section 1, the power to amend, modify, repeal or adopt new by-laws has been previously delegated to the Board of Directors) to change the date of ALTER's Annual Stockholders' Meeting from its current schedule of every second Wednesday of December to every second Tuesday of November, each year.

Date of Approval by Board of Directors Sep 15, 2026
Date of Approval by Stockholders N/A
Other Relevant Regulatory Agency, if applicable NA
Date of Approval by Relevant Regulatory Agency, if applicable N/A
Date of Approval by Securities and Exchange Commission TBA
Date of Receipt of SEC approval TBA
Amendment(s)
Article and Section Nos. From To
Article II, Section 1 The annual/regular meetings of the stockholders shall be held at the principal office every second Wednesday of December of each year, xxx The annual/regular meetings of the stockholders shall be held at the principal office every second Tuesday of November of each year, xxx
Rationale for the amendment(s)

Being the last month of the year and close to the holidays, December can be a busy month for the stockholders of the Corporation. To allow more stockholders to be able to attend ALTER's Annual Stockholders' Meeting, the Board approved the amendment of its schedule.

The timetable for the effectivity of the amendment(s)
Expected date of filing the amendments to the By-Laws with the SEC TBA
Expected date of SEC approval of the Amended By-Laws TBA
Effect(s) of the amendment(s) to the business, operations and/or capital structure of the Issuer, if any

As December is historically a very busy and hectic month due to the Christmas and New Year holidays, the ALTER's stockholders' respective schedules will be able to accommodate attending the company's Annual Stockholders' Meeting.

Other Relevant Information

Please see item (4) of the attached executed SEC Form 17-C in this regard.

Filed on behalf by:
Name Kimberly Rose Pagdilao
Designation Corporate Counsel / Deputy CIO