LIMITED (SAF) Mr. AMORNSAKDI KETCHAROON Reporter Common Share 19/01/2023 1,400,000 3.85 Sale Link S.A.F. SPECIAL STEEL PUBLIC COMPANY LIMITED (SAF) Mr. AMORNYOT PANICH Reporter Common Share 17/01/2023

335.29377 and total purchase price of up to Baht 270,000,000, which is higher than the par value. The Subscription of newly issued shares will be done by the Company jointly with Mr. Niti Nerngchamnong, which

LIMITED (HARN) Mr. JAIN CHARNNARONG Reporter Common Share 23/06/2022 3,100,000 2.19 Sale Link HARN ENGINEERING SOLUTIONS PUBLIC COMPANY LIMITED (HARN) Mr. JAIN CHARNNARONG Reporter Common Share 29/06/2022

Reporter Common Share 09/04/2021 100,000 2.34 Purchase Link K&K SUPERWHOLESALE HATYAI 2009 PUBLIC COMPANY LIMITED (KK) Mr. ANUCHIT AMORNRATWITAYA Spouse / Cohabiting Couple (Mrs.Narumon Amornratwitaya

auditors from CWWP Co. , Ltd. as the Company’s external auditor for the year 2018, namely: 1. Ms. Wanraya Puttasatiean CPA No. 4387; or 2. Mr. Cherdsakul Aonmongkol CPA No. 7195; or 3. Ms. Waraporn

Transaction on 16 June 2015. 2.The parties involved and the relationship with the Company Purchaser : World Corporation Public Company Limited Relationship : Listed companies Seller : Mr. Sawit Ketroj

-Surname Union Pioneer Public Co., Ltd (UPF) Saha-Union Public Co., Ltd (SUC) Positioning % of Shareholding Positioning % of Shareholding Saha Union Public Co., Ltd (SUC) Miss Dalad Sapthavichaikul Mr

-0173 QTC นาย สถิตย์ ลิ่มพงศ์พันธุ์ จำหน่าย หุ้น 5.86 -5.86 0 03/05/2562 5.86 -5.86 0   2562-0174 QTC Mr PHOUKHAOKA MATHOUCHAN ได้มา หุ้น 0 12.46 12.46 02/05/2562 0 12.46 12.46   2562-0253 QTC Mr LITSAMY

percent of its total issued shares. Director structure: 1. Miss Soraya Satiangoset 2. Mr. Rupert Simoner 3. Miss Ramona Stefan 4. Mr. Daniel Ross 5. Miss Johanna Weichselbaumer 6. Mr. Martin Ijkema

, Chatuchak, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขท่ี 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (มหำชน) On May 13, 2019, Mr