Alzchem Group AgXETR: ACT

Alzchem Group AG: Disclosure according to Article 5 of the EU Regulation 596/2014 and Article 2 Section (1) of the Delegated EU Regulation 2016/1052 - 12th Interim Report, also Final Report

· Issued by Alzchem Group AG

Alzchem Group AG/ Key word(s): Share Buyback/Share Buyback

Alzchem Group AG: Disclosure according to Article 5 of the EU Regulation 596/2014 and Article 2 Section (1) of the Delegated EU Regulation 2016/1052 - 12th Interim Report, also Final Report

10.11.2025 / 14:34 CET/CEST

The issuer is solely responsible for the content of this announcement.

Disclosure according to Article 5 of the EU Regulation 596/2014 and

Article 2 Section (1) of the Delegated EU Regulation 2016/1052

Trostberg, November 10th, 2025

12th Interim Report, also Final Report

In the period from November 3rd up to and including November 6th, 2025, a total of 8,845 shares of Alzchem Group AG were acquired as part of the share buyback programme announced on November 29th, 2024. The total number of shares acquired as part of this buyback amounts to 82,450. The acquisition was carried out by a financial institution via the stock exchange (XETRA) on behalf of Alzchem Group AG.

The total number of repurchased shares from November 3rd to 6th, the weighted average price and the aggregated volume (excl. acquisition costs) per day are as follows:

Buyback dateTotal number of sharesWeighted average price (EUR)Aggregated volume (EUR)2025-11-03---2025-11-04---2025-11-054,357150.00653,5502025-11-064,488143.7402645,106.02Total8,845146.82371,298,656.02

With the share buyback on November 6th, 2025, the budget allocated for this purpose has been exhausted and the share buyback programme is therefore complete. The number of shares repurchased during the entire share buyback programme, the weighted average price and the aggregate volume are as follows:

Trading period2024-12-02 through 2025-11-06Total number of shares82,450Weighted average price (EUR)72.7698Aggregated volume (EUR)5,999,874.00

This information as well as the detailed information on the individual daily transactions related to the buy-back programme are also published on the Company's website at in accordance with Art. 2 par. 3 sentence 2 of Delegated Regulation (EU) 2016/1052.

Alzchem Group AG

- Managing Board -

10.11.2025 CET/CEST Dissemination of a Corporate News, transmitted by - a service of .

The issuer is solely responsible for the content of this announcement.

The EQS Distribution Services include Regulatory Announcements, Financial/Corporate News and Press Releases.

View original content:

Language:EnglishCompany:Alzchem Group AGDr.-Albert-Frank-Str. 3283308 TrostbergGermanyPhone:+498621862888Fax:+49862186502888E-mail:ir@alzchem.comInternet:www.alzchem.comISIN:WKN:A2YNT3 Indices:SDAXListed:Regulated Market in Frankfurt (Prime Standard); Regulated Unofficial Market in StuttgartEQS News ID:2226998 End of NewsEQS News Service

2226998 10.11.2025 CET/CEST Saving the news in databases or any forwarding of the news to third parties in a commercial context or for commercial purposes is only permitted with the prior written consent of EQS Group AG.