1 -Translation- Ref :IR 62/023 December 23, 2019 Subject: Change in Shareholding Structure of Subsidiary Company (edit no.2 ) To: President, The Stock Exchange of Thailand T.K.S. Technologies Public

1 JSP 016/2563 (OOP) Date: 22 April 2020 Re: Notification of the connected transaction-renew from connected person (Add) Attn: The President The Stock Exchange of Thailand The Board of Director’s

Exchange of Thailand The Meeting of the Board of Directors of Panjawattana Plastic Public Company Limited (the Company) No.2/2020 held on 6 March 2020 has resolved as follows: 1. Acknowledged and approved to

Hydrotek Public Company Limited in Relation to the Acceptance of the Entire Business Transfer and Securities Allocation Transaction (Attachment 1). (2) Approved to propose to the Shareholders’ Meeting for

the Acquisition of Assets and Connected Transaction of Hydrotek Public Company Limited in Relation to the Acceptance of the Entire Business Transfer and Securities Allocation Transaction (Attachment 1

30-E 1/1 RC 030/18 10 May 2018 Subject : Report on the Company’s operating results for the first quarter of the year 2018 Attention : President of the Stock Exchange of Thailand The Board of

05-E 1/2 RC 05/19 18 February 2019 Subject : Report on the Company’s operating results for the year 2018 Attention : President of the Stock Exchange of Thailand Jasmine International Public Company

1/2 RC 040/17 9 August 2017 Subj. : Report on the Company’s operating results for the second quarter of the year 2017 To : President of the Stock Exchange of Thailand Encl. : 1) A copy of financial

COMPANY LIMITED SIRI: SANSIRI PUBLIC COMPANY LIMITED   ล้างเงื่อนไข บริษัทนำสินประกันภัย จำกัด (มหาชน) ข้อมูล Sustainability Development CG Score 1/ คะแนน CG AGM Level 2/ คะแนน AGM Thai-CAC 3/ Thai CAC  3

Exchange of Thailand Enclosure : 1. Financial Statements for the Third quarter ended September 30,2017 2. Management Discussion and Analysis Nawarat Patanakarn Public Company Limited would like to submit