Materials for the General Meeting of the Company Convened for 25 May 2026

Date: 15 May 2026

Subject: Materials for the General Meeting of the Company Convened for 25 May 2026

Legal basis: Article 56(1)(2) of the Act on Public Offering – current and periodic information

Text of the report:

The Management Board of Diagnostyka S.A., with its registered office in Kraków (the “Company”), in connection with the convening of the Annual General Meeting of the Company for 25 May 2026 (the “AGM”), the agenda of which has been amended (in accordance with the contents of Current Reports No. 6/2026 and 7/2026), hereby provides, attached hereto, material that has not previously been made public and that will be considered by the AGM, namely:

Resolution No. 02/08/05/2026 of the Supervisory Board of Diagnostyka S.A. on issuing an opinion on the resolutions to be adopted by the Annual General Meeting of the Company convened for 25 May 2026.

Legal basis: § 20(1)(2) of the Regulation of the Minister of Finance of 6 June 2025 on current and periodic information provided by issuers of securities and conditions for recognising as equivalent information required under the laws of a state that is not a Member State.

For the Company:

Marta Rogalska-Kupiec – Vice President of the Management Board

Dariusz Zowczak – Vice President of the Management Board