Chemical Works of Gedeon Richter Plc

Regulatory Filings • Dec 16, 2025

Extraordinary announcement

Gedeon Richter Plc. hereby announces that on 15 December 2025 according to its programme related to employee share bonuses 218,108 treasury shares were granted to 4,960 employees.

Until 1 January, 2028 the shares will be held in deposit on the employee's securities accounts kept by UniCredit Bank Hungary Zrt.

After transferring the number of the Company's treasury shares is 3,506,471; the total number of Company shares at Group level held in Treasury is 3,506,471.

The difference between the number of the Company's treasury shares disclosed in present announcement compared with the number of Company's treasury shares published on 11 December 2025 in the announcement regarding the treasury share transaction happened on 10 December 2025, is arising from 306 shares taken back on 11 December 2025 by Gedeon Richter Plc. from Company employees whose employment relationship was terminated, because of share returning obligation stated in the Company's Programme related to employee share bonuses.

Budapest, 16 December 2025

Gedeon Richter Plc.