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)

Mar 9, 2023

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 7-1 - Notice of Annual or Special Stockholders' Meeting References: SRC Rule 17 (SEC Form 17-C) and
Sections 7 and 4.4 of the Revised Disclosure Rules

Subject of the Disclosure
Notice of Annual Shareholders' Meeting
Background/Description of the Disclosure
See attached disclosure letter dated 9 March 2023

Type of Meeting

• Annual
• Special

Date of Approval by Board of Directors	Mar 9, 2023
Date of Stockholders' Meeting	Jun 15, 2023
Time	2:00 pm
Venue	Remote Communication via Zoom
Record Date	May 16, 2023
Agenda	Call to Order Proof of Notice of Meeting Certification of Quorum Reading and Approval of the Minutes of the Previous Meeting Management Report for the Fiscal Year 2022 Ratification of Acts, Proceedings and Resolutions of the Board of Directors and the Corporation from the date of the last Annual Shareholders' Meeting to the present Election of Directors Appointment of External Auditor Other Matters Adjournment

Inclusive Dates of Closing of Stock Transfer Books

Start Date	May 16, 2023
End Date	May 16, 2023

Other Relevant Information
Please see attached disclosure letter dated 9 March 2023. This disclosure was amended to update the end date of closing of stock transfer books.