Notification prepared in accordance with Article 19 (3) of the MAR Regulations.

Date: 12 March 2025

Subject: Notification prepared in accordance with Article 19 (3) of the MAR Regulations.

Legal basis: Information about transaction on the Company’s shares

Text of the report:

The Management Board of the Diagnostyka S.A (the ”Company”) hereby announces that on 12 March 2025, the Company received from Mr. Jaromir Pelczarski, Vice President of the Management Board of Diagnostyka S.A.,  a notification prepared pursuant to Article 19 of the MAR Regulations. The notification is attached to this current report.

For the Company:

Jakub Swadźba  – President of the Management Board

Paweł Chytła – Vice President of the Management Board