No. ADD 4/2022 23 February 2022 Subject: Management discussion and analysis for the performance of the year 2021 ended 31 December 2021 To: President The Stock Exchange of Thailand AddTech Hub Public

President The Stock Exchange of Thailand Capital Engineering Network Public Company Limited (“the company” or “CEN”) hereby noticed that resolution from Board of Directors No.4/2020 held on August 14, 2020

Collective Investment Scheme and APEC Asia Region Funds Passport By virtue of Section 16/6 and Section 113 of the Securities and Exchange Act B.E. 2535 (1992), as amended by the Securities and Exchange Act (No

. Notification of the Office of the Securities and Exchange Commission No. SorJor. 21/2541 Re: Reporting the Results of Selling Securities to the Public ___________________________________ By virtue of Section 81

Connected Transaction and the Scheduling of the Extraordinary General Meeting of Shareholders No. 1/2019 Attention : The President of the Stock Exchange of Thailand Enclosure : Information Memorandum on

1 No. CC20180804ELE Aug 14, 2018 Subject Report of the Resolutions of Board of Directors’ Meeting No.3/2018 To President The Stock Exchange of Thailand The Board of Directors’ meeting of Cal-Comp

: Director and Manager, The Stock Exchange of Thailand. Whereas, the Board Directors’ Meeting of We Retail Public Company Limited No. 5/2018, which was held on 5 November 2018. Resolved for the approval of the

1/4 REF: SET-2018-021 December 12, 2018 Subject Report of the Resolutions of Board of Directors’ Meeting No. 5/2018 – Related Party Transaction To President The Stock Exchange of Thailand Filter

Eng_Lee PAF (Translation) LEE 06/2020 14 May, 2020 Subject : Notification on the investment in Pattana Agro Futures Company Limited (Addition) To : President of The Stock Exchange of Thailand As Lee

related experiences, to further promote takeovers efficiency.    The conference takes place at the SEC Office Building from 18-20 September 2019 with delegates of regulatory agencies from 11 Asia