Prochem S.A.

Pre-Annual General Meeting Information • May 19, 2023

17 May 2023

Steven Tappan 26531 Broken Bit Lane Laguna Hills, CA 92653 USA

Management Board Prochem S.A. ul. Łopuszańska 95 02-457 Warszawa wza@prochem.com.pl

RE: request for placing a certain matter on the agenda of the next general assembly

Pursuant to art. 401 § 1 of polish Commercial Partnerships And Companies Code I request following matters to be added to the announced agenda of general shareholders meeting scheduled for 14 June 2023:

1) Adoption of a resolution on changes to the composition of the Supervisory Board.

Draft of resolutions:

1. Ordinary General Meeting of PROCHEM 1. Zwyczajne Walne Zgromadzenie S.A. acting pursuant to art. 385 § 1 of the PROCHEM S.A. działając na podstawie art. Commercial Partnerships and Companies Code and § 17 sec. 1 item 4 of the Company's Statute, dismisses .............. from the Supervisory Board.

2. The resolution shall come into effect upon its adoption.

385 § 1 Kodeksu Spółek Handlowych i § 17 ust. 1 pkt. 4 statutu Spółki, odwołuje p. ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

1. Uchwała wchodzi w życie z dniem podjęcia.

2. Ordinary General Meeting of PROCHEM 1. Zwyczajne Walne Zgromadzenie S.A. acting pursuant to art. 385 § 1 of the Commercial Partnerships and Companies ust. 1 pkt. 4 statutu Spółki, wybiera p. Code and § 17 sec. 1 item 4 of the ........................................................................................................................................... Company's Statute, elects ................................................................................ as a member of the Supervisory Board of the 11th joint term of the Supervisory Board.

PROCHEM S.A. działając na podstawie § 17 Nadzorczej XI wspólnej kadencji Rady.

1. The resolution shall come into effect upon its adoption.

2. Uchwała wchodzi w życie z dniem podjęcia.

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