Tender Offer Subject : Tender offer Listed company subject to tender offer : Bioscience Animal Health Public Company Limited (BIS) Offeror : Mrs. Phatcharee Nanthawatsiri, Mr. Sarawut Techasattaya and Mrs. Rungnapa Tachasattaya Type of Tender Offer : Cash Common shares : BIS Offer Price (baht per share) : 1.27 Net Price (baht per share) : 1.2666 Tender offer : Not for delisting Tender Offer Agent : Globlex Securities Company Limited ______________________________________________________________________ Change of director/Executive New election Director Name : Mr. Seksom Attamangkune Position in company (1) : Director Effective Date (1) : 11-Sep-2026 More detail : The director appointed to fill the vacancy does not hold the position of executive director and is not an authorized signatory of the Company. ______________________________________________________________________ This announcement was prepared and disseminated by listed company or issuer through the electronic system which is provided for the purpose of dissemination of the information and related documents of listed company or issuer to the Stock Exchange of Thailand only. The Stock Exchange of Thailand has no responsibility for the correctness and completeness of any statements, figures, reports or opinions contained in this announcement, and has no liability for any losses and damages in any cases. In case you have any inquiries or clarification regarding this announcement, please directly contact listed company or issuer who made this announcement. If you would like to see the full details of this information, please click view "full details" in attached file.

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