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)

Jul 15, 2026

2. SEC Identification Number

22401

3. BIR Tax Identification No.

000-491-007

4. Exact name of issuer as specified in its charter

PRIME MEDIA 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

16TH FLOOR BDO TOWERS VALERO (FORMERLY CITIBANK TOWER), 8741 PASEO DE ROXAS MAKATI CITY Postal Code 1227

8. Issuer's telephone number, including area code

(632) 8831-4479

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	940,403,854

11. Indicate the item numbers reported herein

Item No. 9 - Other Events

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.

Prime Media Holdings, Inc.PRIM

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

Subject of the Disclosure
Proposed Amendment of By-Laws
Background/Description of the Disclosure
Amendments of Sections 1 and 2 of Article I and Sections 6 and 7 of Article II.

Date of Approval by Board of Directors	Jun 22, 2026
Date of Approval by Stockholders	Jul 15, 2026
Other Relevant Regulatory Agency, if applicable	N/A
Date of Approval by Relevant Regulatory Agency, if applicable	N/A
Date of Approval by Securities and Exchange Commission	TBA
Date of Receipt of SEC approval	TBA

Amendment(s)

Article and Section Nos.	From	To
Article I, Section 1	Please see attached Annex “A”	Please see attached Annex “A”
Article I, Section 2	Please see attached Annex “A”	Please see attached Annex “A”
Article II, Section 6	Please see attached Annex “A”	Please see attached Annex “A”
Article II, Section 7	Please see attached Annex “A”	Please see attached Annex “A”

Rationale for the amendment(s)
The primary purpose of the amendments is to comply with the provisions of the Revised Corporation Code of the Philippines and the applicable rules and regulations of the Securities and Exchange Commission.

The timetable for the effectivity of the amendment(s)

Expected date of filing the amendments to the By-Laws with the SEC	Oct 30, 2026
Expected date of SEC approval of the Amended By-Laws	Nov 30, 2026

Effect(s) of the amendment(s) to the business, operations and/or capital structure of the Issuer, if any
None.
Other Relevant Information
As previously disclosed, the proposed amendment of Section 2, Article I and Sections 6–7, Article II of the Company By-laws were approved on February 18, 2026 by the Board of Directors. Whereas Article I, Section 1 was re-approved by the Board of Directors on June 22, 2026.