C07625-2026

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)
Oct 26, 2026
2. SEC Identification Number
184044
3. BIR Tax Identification No.
000-775-860
4. Exact name of issuer as specified in its charter
JG SUMMIT HOLDINGS, INC.
5. Province, country or other jurisdiction of incorporation
METRO MANILA, PHILIPPINES
6. Industry Classification Code(SEC Use Only)
7. Address of principal office
43rd Floor, Robinsons Equitable Tower, ADB Avenue corner Poveda Street, Ortigas Center, Pasig City, Metro Manila Postal Code 1605
8. Issuer's telephone number, including area code
(632) 8633-7631 to 40
9. Former name or former address, if changed since last report
N/A
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 7,520,983,658
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.

JG Summit Holdings, Inc.JGS

PSE Disclosure Form 4-2 - Acquisition/Disposition of Shares of Another Corporation
References: SRC Rule 17 (SEC Form 17-C) and
Section 4.4 of the Revised Disclosure Rules

Subject of the Disclosure

Acquisition by JGS of OPMC Shares Held by JGSCSC

Background/Description of the Disclosure

On October 26, 2026, JG Summit Holdings, Inc. (“JGS”) completed the acquisition from its wholly owned subsidiary, JG Summit Capital Services Corp. (“JGSCSC”), of 37,051,952,896 common shares in Oriental Petroleum and Minerals Corporation (“OPMC”).

The shares acquired comprise 8,396,391,875 OPM “A” shares and 28,655,561,021 OPM “B” shares. The transaction was carried out through a cross-block sale using the facilities of the Philippine Stock Exchange (“PSE”).

The purchase prices per share were based on the 30-day Volume-Weighted Average Price (VWAP) of OPMC shares, calculated up to and including the close of trading on October 23, 2026, as follows:

1. OPM 'A' Shares: 8,396,391,875 at PHP 0.0154 per share, for a total purchase price of PHP 129,304,434.88
2. OPM 'B' Shares: 28,655,561,021 at PHP 0.0151 per share, for a total purchase price of PHP 432,698,971.42

Date of Approval by
Board of Directors
Oct 22, 2026
Rationale for the transaction including the benefits which are expected to be accrued to the Issuer as a result of the transaction

The acquisition is intended to consolidate JGS’s investment in OPMC at the parent level.

Details of the acquisition or disposition
Date Oct 26, 2026
Manner

Cross-block sale through the facilities of the PSE.

Description of the company to be acquired or sold

OPMC is a publicly listed Philippine company engaged in the exploration, development, and production of petroleum and mineral resources in the Philippines.

The terms and conditions of the transaction
Number of shares to be acquired or disposed 37,051,952,896
Percentage to the total outstanding shares of the company subject of the transaction 19.33
Price per share see description above
Nature and amount of consideration given or received

Cash consideration amounting to PHP 562,003,406.29

Principle followed in determining the amount of consideration

The price per share was based on the 30-day volume-weighted average price (VWAP) of OPMC shares, calculated up to and including the close of trading on October 23, 2026.

Terms of payment

In accordance with the applicable terms of the transaction and PSE trading, clearing, and settlement procedures.

Conditions precedent to closing of the transaction, if any

Compliance with applicable laws, rules and regulations, PSE requirements, and the terms and conditions approved by JGS.

Any other salient terms

None

Identity of the person(s) from whom the shares were acquired or to whom they were sold
Name Nature of any material relationship with the Issuer, their directors/ officers, or any of their affiliates
JG Summit Capital Services Corp. Wholly owned subsidiary of JGS
Effect(s) on the business, financial condition and operations of the Issuer, if any

The acquisition consolidates JGS’s investment in OPMC at the parent level by transferring the shares held by JGSCSC directly to JGS.

Other Relevant Information

Please see the attached JGS SEC Form 17-C Current Report.

Filed on behalf by:
Name Maria Celia Fernandez-Estavillo
Designation Chief Legal Officer and Corporate Secretary