Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No MAJOR GIC PRIVATE LIMITED Disposition Stock 5.0311

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No DEMCO NUSASIRI PUBLIC COMPANY LIMITED Acquisition Stock

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No GCAP Mr. Asa Sarasas Acquisition Stock 0 16.0682

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No MK Mr. Prateep Tangmatitham Disposition Stock 13.0236

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No LDC Mr. Visnu Skulpichetrat Disposition Stock 6.7129

Stock 4.448 0.0447 4.4033 08/08/2022 5.0257 0.0447 4.9809   246020142208-1 DITTO Mr. Sataporn Ngamruengphong Acquisition Stock 4.9925 0.5868 5.5793 23/03/2022 4.9925 0.5868 5.5793   246017552203-1 DITTO

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No HL Mrs. Mataya Bhandhukanonda Disposition Stock 20.7261

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No PHG Miss Chuthabongkoj Yaemsaard Disposition Stock

., and Schedule for the EGM of Shareholders No. 1/2019 (Revised) To: The President The Stock Exchange of Thailand Enclosure: 1. Information Memorandum of Hydrotek Public Company Limited on Disposal of

., and Schedule for the EGM of Shareholders No. 1/2019 (Revised2) To: The President The Stock Exchange of Thailand Enclosure: 1. Information Memorandum of Hydrotek Public Company Limited on Disposal of