Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No CIG Mr. Komet Pechanunt Acquisition Stock 1.2007 6.5027

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No UBIS Mr. Nant Kitayanutkul Acquisition Stock 54.9932

Acquisition Stock 59.9965 0.0053 60.0018 30/08/2023 59.9965 0.0053 60.0018   246025952309-1 NINE SILOM ROAD LIMITED Disposition Stock 17.5341 2.9568 14.5773 22/08/2022 17.5341 2.9568 14.5773   246020362208-1

The Stock Exchange of Thailand The operating performance for three-month period end 30 September 2019 of Mahachai Hospital Public Company Limited compared to the prior year was increasing in net profit

Attn : The Directors and The MAI Manager Ref: Dimet ACC 1711/001 November 9, 2017 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Report on Q1’s performance Dear

27 February 2019 Subject :Management discussion and analysis of financial statement for the year 2018, ended December 31, 2018 Attention :Director and Manager The Stock Exchange of Thailand The

14 November 2018 Subject :Management discussion and analysis of financial statement for three-month period ended 30 September 2018 Attention :Director and Manager The Stock Exchange of Thailand The

. Ratchata Poompanmoung Acquisition Stock 4.7987 0.9226 5.7213 06/07/2021 4.7987 0.9226 5.7213   246012022107-1 7UP Mr. Somyot Poompanmoung Acquisition Stock 9.9356 0.2023 10.1379 26/03/2021 9.9356 0.2023

T.H.S. RUBBER INDUSTRY COMPANY LIMITED Acquisition Stock 17.3361 7.6628 24.9989 08/07/2021 17.3361 7.6628 24.9989   246012032107-1 DIMET T.H.S. RUBBER INDUSTRY COMPANY LIMITED Acquisition Stock 0 17.3361

. Petchara Ratanapoompinyo Disposition Stock 27.8015 5 22.8015 20/09/2021 27.8015 5 22.8015   246013312109-1 RBF Mr. Somchai Ratanapoompinyo Disposition Stock 27.8015 5 22.8015 20/09/2021 27.8015 5 22.8015