Sinteza S.A.

Major Shareholding Notification • Jun 11, 2025

Tel: 0259 456 116 Tel: 0259 444 969 Fax: 0259 462 224 e-mail: sinteza@ sinteza. ro www.sinteza.ro

VAT Reg.No.: RO 67329 Reg.No.at Commerce Register: J 1991000197056

BANK: UNICREDIT BANK IBAN EURO: RO10BACX0000000484374002 SWIFT CODE: BACXROBU

CURRENT REPORT

According to Law no. 24/2017 regarding issuers of financial instruments and market operationsand ASF Regulation no. 5/2018

ADDRESSEE OF THE REPORT: BUCHAREST STOCK EXCHANGE ASF (Financial Supervisory Authority)

REPORT DATE: 11.06.2025

NAME OF THE ISSUING COMPANY: SINTEZA S.A.

HEADQUARTERS: Sos. Borsului no. 35, Oradea, BIHOR county

TELEPHONE: 0259456116; 0259444969, FAX: 0259462224

UNIQUE ORC REGISTRATION CODE: 67329

ORDER NUMBER AT ORC: J 1991000197056

SUBSCRIBED AND PAID-UP SHARE CAPITAL: 9916888.50 LEI

REGULATED MARKET ON WHICH ISSUED SECURITIES ARE TRADED: BVB

IMPORTANT EVENT TO REPORT: Notification of decrease in holding below the 15% threshold

Through this Current Report, SINTEZA SA informs shareholders and investors that on 10.06.2025, we were notified by the SOCIETATEA DE INVESTIȚII ALTERNATIVE CU CAPITAL PRIVAT ROCA INVESTMENTS S.A about the decrease in its holdings, within the issuer SINTEZA SA, below the 15% threshold.

The notification is attached to this report.

GENERAL DIRECTOR,