Sinteza S.A.

Director's Dealing • Sep 26, 2025

SINTEZA SA Borșului 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. 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: 26.09.2025

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) 2014

Through this Current Report, SINTEZA SA informs shareholders and investors that today, 26.09.2025, we were notified by Mr. Pascu Radu regarding the transactions carried in 25 September 2025. The notification is attached to this report.

INTERIM GENERAL DIRECTOR , Serban Turc