S.N.G.N. Romgaz S.A.

Related Party Transaction • Oct 20, 2025

CURRENT REPORT

In compliance with Law no. 24/2017 regarding Issuers of Financial Instruments and Market Operations and F.S.A. Regulation no. 5/2018

NR. 43 123

2 O. OCT. 2025

Report date: October 20, 2025

Company name: Societatea Națională de Gaze Naturale ROMGAZ S.A.

Address: Medias, 4 Constantin I. Motas Square, Sibiu County - Romania, 551130

Phone/fax no: 004-0374-401020 / 004-0269-846901

Fiscal Code: RO14056826

LEI Code: 2549009R7KJ38D9RW354

Trade Register registration number: J2001000392326 Subscribed and paid in share capital: RON 3,854,224,000

Regulated market where the issued securities are traded: Bucharest Stock Exchange (BVB)

Significant event to be reported:

• SNGN Romgaz SA concluded a transaction of the type listed at art. 234 paragraph 1, letter i) of F.S.A. Regulation no. 5/2018

According to the provisions of Article 234 paragraph 1, item i) from F.S.A. Regulation no. 5/2018, SNGN Romgaz SA reports the concluding of one new transaction with ENGIE ROMANIA S.A. The cumulated value of the new transaction with the transactions previously concluded with the contracting parties, for a period of 12 months, exceeds the materiality threshold of 10% of the net turnover related to 2024 financial year.

No	Name of the Contracting party	Date and nature of the transaction	Transaction scope	Value of transaction/ addendum (VAT exclusive) -RON-	Mutual receivables	Issued guarantees	Terms/ Payment Methods	Other information -penalties-
1.	1	F-PET18/October 20,	Gas sale (period November 01, 2025 - April 01, 2026)	3,268,894.70	-	Letter of bank guarantee	30 days from invoicing	Delay penalties of 0.10% per day

Chief Executive Officer,

Răzvan POPESCU

Chief Financial Officer, Gabriela TRÂNBIŢAŞ