C08170-2026

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 12, 2026
2. SEC Identification Number
107432
3. BIR Tax Identification No.
000-124-671-000
4. Exact name of issuer as specified in its charter
Ionics, Inc.
5. Province, country or other jurisdiction of incorporation
Philippines
6. Industry Classification Code(SEC Use Only)
7. Address of principal office
Circuit Street, Light Industry & Science Park of the Philippines I, Bo. Diezmo, Cabuyao City, Laguna Postal Code 4025
8. Issuer's telephone number, including area code
049-508-1111
9. Former name or former address, if changed since last report
-
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 837,130,992
11. Indicate the item numbers reported herein
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.

Ionics, Inc.ION

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

Increase in the Authorized Capital Stock of Ionics Properties, Inc. and Appropriation of Retained Earnings

Background/Description of the Disclosure

The Board of Directors of Ionics, Inc. (the "Corporation") approved the increase in the authorized capital stock of Ionics Properties, Inc. ("IPI") and the appropriation by IPI of its retained earnings for future land acquisition and construction of buildings within the next three (3) years.

Other Relevant Information

Please see the attached disclosure letter.

Filed on behalf by:
Name Krisha Villanueva
Designation Assistant Corporate Secretary