Registration of amendments to the Articles of Association of the Company

Current Report No. 17/2026

Preparation date: 15.04.2026

Subject: Registration of amendments to the Articles of Association of the Company

Legal basis: Art. 56 (1) (2) of the Public Offering Act - current and periodic information

The Management Board of Captor Therapeutics S.A., with its registered office in Wrocław (the “Company”), informs that on 15 April 2026, the competent registry court registered an amendment to the Company's Articles of Association made pursuant to Resolution No. 3 of the Extraordinary General Meeting of the Company dated 2 March 2026 concerning an increase in the Company’s share capital through the issue of series Y ordinary bearer shares by way of a private placement, excluding the pre-emptive rights of existing shareholders, and the amendment to the Company’s Articles of Association in connection with the increase in the Company’s share capital (the adoption of which the Company announced in Current Report No. 7/2026 of 2 March 2026).

Series Y shares were issued in connection with the accelerated book-building process conducted as part of a public offering carried out by way of a private placement (as the Company reported, in particular, in Current Report No. 9/2026 of 2 March 2026 and Current Report No. 10/2026 of 2 March 2026).

The current share capital of the Company amounts to PLN 635.339,70 and is divided into 6.353.397 shares with a nominal value of PLN 0.10 per share. The total number of votes resulting from all shares of the Company is 7.500.790 votes.

The Company's share capital consists of the following shares:

1. 799,750 registered preference shares of series A (each share entitles the holder to 2 votes at the Company's general meeting);

2. 1,757,075 ordinary bearer shares of series B;

3. 82,449 ordinary bearer shares of series C;

4. 97,051 ordinary bearer shares of series D;

5. 347,643 registered preference shares of series E (each share entitles the holder to 2 votes at the Company's general meeting);

6. 26,925 ordinary bearer shares of series F;

7. 871,500 ordinary bearer shares of series G;

8. 52,354 ordinary bearer shares of series H;

9. 9,082 ordinary bearer shares of series I;

10. 84,143 ordinary bearer shares of series J;

11. 30,738 ordinary bearer shares of series K;

12. 9,420 ordinary bearer shares of series L;

13. 41,019 ordinary bearer shares of series M;

14. 11,292 ordinary bearer shares of series N;

15. 25,271 ordinary bearer shares of series O;

16. 400,000 ordinary bearer shares of series P;

17. 17,134 ordinary bearer shares of series R;

18. 10,258 ordinary bearer shares of series S;

19. 822,467 ordinary bearer shares of series T;

20. 33,138 ordinary bearer shares of series U;

21. 24,688 ordinary bearer shares of series W; and

22. 800.000 ordinary bearer shares of series Y.

The registered amendment to the Company's Articles of Association consists in the adoption of a new wording of § 6(1) of the Company's Articles of Association, as follows:

"1. The Company's share capital amounts to PLN 635,339.70 (six hundred and thirty-five thousand, three hundred and thirty-nine zlotys 70/100), and is divided into 6,353,397 (six million three hundred and fifty-three thousand three hundred and ninety-seven) shares with a nominal value of PLN 0.10 (ten groszy) each, including:

1) 799,750 (seven hundred and ninety-nine thousand seven hundred and fifty) registered preference shares of series A;

2) 1,757,075 (one million seven hundred and fifty-seven thousand seventy-five) ordinary bearer shares of series B;

3) 82,449 (eighty-two thousand four hundred and forty-nine) ordinary bearer shares of series C;

4) 97,051 (ninety-seven thousand fifty-one) bearer ordinary series D shares;

5) 347,643 (three hundred forty-seven thousand six hundred forty-three) registered preference series E shares;

6) 26,925 (twenty-six thousand nine hundred and twenty-five) ordinary bearer shares of series F;

7) 871,500 (eight hundred and seventy-one thousand five hundred) ordinary bearer shares of series G;

8) 52,354 (fifty-two thousand three hundred and fifty-four) ordinary bearer shares of series H;

9) 9,082 (nine thousand and eighty-two) ordinary bearer shares of series I;

10) 84,143 (eighty-four thousand one hundred and forty-three) ordinary bearer shares of series J;

11) 30,738 (thirty thousand seven hundred and thirty-eight) ordinary bearer shares of

series K;

12) 9,420 (nine thousand four hundred and twenty) ordinary bearer shares of series L;

13) 41,019 (forty-one thousand nineteen) ordinary bearer shares of series M;

14) 11,292 (eleven thousand two hundred and ninety-two) ordinary bearer shares of series N;

15) 25,271 (twenty-five thousand two hundred and seventy-one) ordinary bearer shares of series O;

16) 16)400,000 (four hundred thousand) ordinary bearer shares of series P;

17) 17,134 (seventeen thousand one hundred and thirty-four) ordinary bearer shares of series R;

18) 18)10,258 (ten thousand two hundred and fifty-eight) ordinary bearer shares of

series S;

19) 19) 822,467 (eight hundred and twenty-two thousand four hundred and sixty-seven) ordinary bearer shares of series T;

20) 20) 33,138 (thirty-three thousand one hundred and thirty-eight) ordinary bearer shares of

series U;

21) 24,688 (twenty-four thousand six hundred and eighty-eight) ordinary bearer shares of series W;

22) 800.000 (eight hundred thousand) ordinary bearer shares of series Y)."

Legal basis: § 5(1) of the Regulation of the Minister of Finance dated June 6, 2025 on current and periodic information provided by issuers of securities and conditions for recognizing as equivalent information required by the laws of a non-member state (Journal of Laws of 2025, item 755).