Sinteza S.A.

Director's Dealing • Sep 25, 2025

SINTEZA SA Borşului Street no. 35 410605 ORADEA - ROMANIA

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: RO10BACX000000484374002 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: 25.09.2025

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: Management transactions - art. 19 Reg (EU) 596/2014

Through this Current Report, SINTEZA SA informs shareholders and investors that today, 25.09.2025, we were notified by Mr. Pascu Radu regarding the transactions carried out between 22-24 September 2025.

The notifications are attached to this report.

INTERIM GENERAL DIRECTOR , Serban Turc