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)

Dec 12, 2025

2. SEC Identification Number

1746

3. BIR Tax Identification No.

000-126-853-000

4. Exact name of issuer as specified in its charter

STI Education Systems Holdings, Inc.

5. Province, country or other jurisdiction of incorporation

Philippines

6. Industry Classification Code(SEC Use Only)

7. Address of principal office

7th Floor, STI Holdings Center, 6764 Ayala Avenue, Makati City Postal Code 1226

8. Issuer's telephone number, including area code

0288449553

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	9,904,806,924

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.

STI Education Systems Holdings, Inc.STI

PSE Disclosure Form 6-1 - Declaration of Cash Dividends References: SRC Rule 17 (SEC Form 17-C) and
Sections 6 and 4.4 of the Revised Disclosure Rules

Subject of the Disclosure
Declaration of Cash Dividends
Background/Description of the Disclosure
Please be advised that, in a meeting of the Board of Directors of STI Education Systems Holdings, Inc. (the “Company”) held today, 12 December 2025, the Board approved the declaration of cash dividends in the amount of Php0.055 per share or an aggregate amount of Php544,764,380.82 (the “Cash Dividends”).

Type of Securities

• Common
• Preferred-
• Others-

Cash Dividend

Date of Approval by Board of Directors	Dec 12, 2025
Other Relevant Regulatory Agency, if applicable	N/A
Date of Approval by Relevant Regulatory Agency, if applicable	N/A
Type (Regular or Special)	Regular
Amount of Cash Dividend Per Share	0.055
Record Date	Jan 8, 2026
Payment Date	Jan 30, 2026

Source of Dividend Payment
To be paid out of the unrestricted retained earnings of the Company as of 30 June 2025 based on the Parent Company Audited Financial Statements as of 30 June 2025.
Other Relevant Information
Please see attached SEC Form 17-C.