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)

May 25, 2023

2. SEC Identification Number

A1998 18260

3. BIR Tax Identification No.

202 464 633

4. Exact name of issuer as specified in its charter

First Gen Corporation

5. Province, country or other jurisdiction of incorporation

Philippines

6. Industry Classification Code(SEC Use Only)

7. Address of principal office

6th Floor Rockwell Business Center Tower 3, Ortigas Ave., Pasig City Postal Code 1604

8. Issuer's telephone number, including area code

3449 6400

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	3,596,575,505

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.

First Gen CorporationFGEN

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
Report on Energy Development Corporation Peru S.A.C., a subsidiary of Energy Development Corporation, which is in turn a subsidiary of First Gen Corporation
Background/Description of the Disclosure
Decision of Energy Development Corporation Peru S.A.C. to no longer pursue exploration and development activities in Peru due to political and market factors
Other Relevant Information
Please see attached SEC 17C