C06553-2026

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)
Aug 28, 2026
2. SEC Identification Number
A-1997-18963
3. BIR Tax Identification No.
005-011-651-000
4. Exact name of issuer as specified in its charter
ASIA UNITED BANK CORPORATION
5. Province, country or other jurisdiction of incorporation
Philippines
6. Industry Classification Code(SEC Use Only)
7. Address of principal office
Joy-Nostalg Center No. 17 ADB Avenue, Ortigas Center, Pasig City1600 Postal Code 1600
8. Issuer's telephone number, including area code
(632) 8633-6888; (632) 8631-3333
9. Former name or former address, if changed since last report
not applicable
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 1,455,931,590
11. Indicate the item numbers reported herein
Item 9

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.

Asia United Bank CorporationAUB

PSE Disclosure Form 4-3 - Amendments to Articles of Incorporation References: SRC Rule 17 (SEC Form 17-C) and
Section 4.4 of the Revised Disclosure Rules

Subject of the Disclosure

Amendment of Articles of Incorporation to increase authorized capital stock

Background/Description of the Disclosure

In relation to the approval of the declaration of 100% stock dividend, the Board also approved the amendment of the Articles of Incorporation to increase the Bank’s authorized capital stock from Php 14.70 Billion to Php 72.50 Billion. The amendment will be endorsed to the stockholders for approval.

Date of Approval by
Board of Directors
Jun 26, 2026
Date of Approval by Stockholders Aug 28, 2026
Other Relevant Regulatory Agency, if applicable Bangko Sentral ng Pilipinas
Date of Approval by Relevant Regulatory Agency, if applicable TBA
Date of Approval by Securities and Exchange Commission TBA
Date of Receipt of SEC approval TBA
Amendment(s)
Article No. From To
Seventh The authorized capital stock of the corporation is FOURTEEN BILLION SEVEN HUNDRED MILLION PESOS (P14,700,000,000.00) and said capital stock is divided into ONE BILLION FOUR HUNDRED SEVENTY MILLION SHARES of common stock with par value of TEN PESOS (P10.00) per share. The authorized capital stock of the corporation is SEVENTY TWO BILLION FIVE HUNDRED MILLION PESOS (P72,500,000,000.00) and said capital stock is divided into SEVEN BILLION TWO HUNDRED FIFTY MILLION SHARES of common stock with par value of TEN PESOS (P10.00) per share.
Rationale for the amendment(s)

The increase in the authorized capital stock will support future business expansion in line with the bank's strategies and directions.

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

The authorized capital stock of the Bank will be increased from Fourteen Billion Seven Hundred Million Pesos (P14,700,000,000.00) to SEVENTY TWO BILLION FIVE HUNDRED MILLION PESOS (P72,500,000,000.00).

Other Relevant Information

This disclosure is being amended to indicate stockholders approval date: August 28, 2026

Filed on behalf by:
Name Kristel Azucena
Designation Corporate Planning and Investor Relations Officer