BIOTER S.A. according to its obligations pursuant to article 4.1.1 of Athens Stock Exchange regulations, publishes its Financial Calendar for the year 2025.

- Tuesday, April 29, 2025:

Announcement of annual financial data and the annual financial report 2024, after the end of the Athens Stock Exchange Session

-Tuesday, April 29, 2025:

Announcement of the 2024 annual financial report on the company's website www.bioter.gr

- Thursday, July 10, 2025:

Annual Ordinary General Meeting of Shareholders.

BIOTER S.A. will not distribute a dividend for the financial year 2024.

BIOTER S.A. reserves the right to change the above dates, informing the investing public on time in accordance with the provisions of the ATHEX Regulation

Athens, April 29, 2025

BIOTER S.A.