จดหมายชี้แจงQ161e May 14, 2018 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 31 March 2018 Summary of the 1 st Quarter

: Management explanation and analysis for the yearly ending 31 December 2019 Attention: The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited ( “the Company” ) would like to

8.9075 4.116 09/08/2023 13.0236 8.9075 4.116   246025652308-1 MK SUPALAI PROPERTY MANAGEMENT COMPANY LIMITED Disposition Stock 8.7961 8.7961 0 09/08/2023 9.0827 9.0827 0   246025662308-1 MK HATYAI NAKARIN

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No BAFS KRUNGSRI ASSET MANAGEMENT COMPANY LIMITED

57.2694   246024772306-1 VGI BBL ASSET MANAGEMENT COMPANY LIMITED Acquisition Stock 4.9105 0.0982 5.0088 13/12/2022 4.9105 0.0982 5.0088   246022092212-1 VGI BANGKOK MASS TRANSIT SYSTEM PUBLIC COMPANY

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No DPAINT BBL ASSET MANAGEMENT COMPANY LIMITED Acquisition

Acquisition Stock 4.9948 0.0234 5.0182 08/11/2021 4.9948 0.0234 5.0182   246014422111-1 EGCO BBL ASSET MANAGEMENT COMPANY LIMITED Disposition Stock 5.0602 0.093 4.9672 17/11/2020 5.0602 0.093 4.9672

amount of THB 89.65 million, an increase of THB 23.78 million or 36.11 per cent, compared with the same period of last year. Due to the issuance of stock option to the Company’s directors, management and

INVESTMENT HOLDING PTE. LTD. Acquisition Stock 0 29.286 29.286 16/12/2021 0 29.286 29.286 The acquirer will make a tender offer. 246015322112-1 FSS FINANSA FUND MANAGEMENT LTD. Disposition Stock 29.286 29.286

1 - TRANSLATION - VS/PC (Q-Con) 004/2018 February 1st , 2018. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for year 2017 Quality