Chemical Works of Gedeon Richter Plc

Major Shareholding Notification • Jan 5, 2026

Chemical Works of Gedeon Richter Plc.

Composition of share capital of the Company on 31 December 2025:

Share series	Book value (HUF/share)	Issued number	Total book value (HUF)
"C" series (ordinary share)	100	186,374,860	18,637,486,000
Share capital			18,637,486,000

Number of voting rights attached to the shares on 31 December 2025:

Share series	Issued number	Number of share with voting rights	Voting right per share	Total voting rights	Number of treasury share
"C" series (ordinary share)	186,374,860	186,374,860	1	186,374,860	3,507,006
Total	186,374,860	186,374,860	1	186,374,860	3,507,006

Division of treasury shares*:	Number of treasury share
Company's treasury shares	3,507,006
Subsidiaries' treasury shares	0
Treasury shares acquired or held by their owner for the benefit of the Company	0
Treasury shares that the Company accepts as security for a claim	0

^*see Subsection 3:222 (1) of the Act V of 2013 on the Civil Code

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 16 December 2025 in the announcement regarding the treasury share transaction happened on 15 December 2025, is arising from 535 shares taken back from 16 December 2025 to 31 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, 5 January 2026

Gedeon Richter Plc.