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

Related Party Transaction • Dec 5, 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

Report date: December 5, 2025

Company name: Societatea Nationala 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 transactions 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 transactions with ENGIE ROMANIA S.A. The cumulated value of the transactions 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-	Total cumulated value of the Contract (VAT exclusive) -RON-	Mutual receivables	Issued guarantees	Terms/ Payment Methods	Other information -penalties-
1.	ENGIE ROMANIA S.A.		Gas sale (period April 01, 2025 - April 01, 2026)	4,521,996	839,844,543	-	Letter of bank guarantee	30 days from the date of issuance of the regularization invoice	Delay penalties of 0.10% per day
		3/September 18,	Gas sale (period April 01, 2025 - April 01, 2026)	16,006	839,828,537	1	Letter of bank guarantee	30 days from the date of	Delay penalties of 0.10% per day

romgaz.ro

No	Name of the Contracting party	Date and nature of the transaction	Transaction scope	Value of transaction/ addendum (VAT exclusive) -RON-	Total cumulated value of the Contract (VAT exclusive) -RON-	Mutual receivables	Issued guarantees	Terms/ Payment Methods	Other information -penalties-
		1	Gas sale (period April 01, 2025 - April 01, 2026)	2,305,424	837,523,113	-	Letter of bank guarantee	30 days from the date of issuance of the regularization invoice	Delay penalties of 0.10% per day
			Gas sale (period April 01, 2025 - April 01, 2026)	127,700	837,395,413	-	Letter of bank guarantee	30 days from the date of issuance of the regularization invoice	Delay penalties of 0.10% per day

Note: The previous mentioned addendums to gas sale Contract no. F16/2025 reduce the value of the contract by the amount of RON 6,971,126, from RON 844,366,539.57 to RON 837,395,413.57.

Chief Executive Officer.

Chief Financial Officer, Gabriela TRANBITAS