1 Ref: AC.031/2017 15 August 2017 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

[COMPANY NAME] Ref.: EFORL IR008/2019 March 7, 2019 Subject: Management Discussion and Analysis Yearly Ending 31 December, 2018 To President The Stock Exchange of Thailand 1. Overview financial

-1 1 Ref. LPN/SorKor/098/2564 6th May 2021 Re: Financial Statements Analysis Report Q1/2021 Dear: President The Stock Exchange of Thailand L.P.N. Development Public Co.,Ltd. would like to submit the

[COMPANY NAME] Ref.: EFORL IR007/2020 March 4, 2020 Subject: Management Discussion and Analysis Yearly Ending 31 December, 2019 To President The Stock Exchange of Thailand 1. Overview financial

and Exchange Act (No. 4) B.E. 2551 (2008), hereby issues the following regulations: Clause 1. The provision of Clause 1 of the notifications of the Capital Market Supervisory Board No.Tor.Thor. 1/2551

Writer Ref. No. 088/2561 11 May 2018 SUBJECT : Management Discussion and Analysis ending 31 March 2018 ATTN : President of the Stock Exchange of Thailand The Company realized profit for the first

Attn : The Directors and The MAI Manager Ref: Dimet AC 1902/001 February 12, 2019 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Report on Q.2’s performance

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

Ref: VNT-CPR-2017.057 30 November 2017 Subject: Right of Shareholders to propose 2018 AGM agenda Attn: President, the Stock Exchange of Thailand Vinythai Public Company Limited “the Company” is

รายงานการประชุมคณะกรรมการตรวจสอบ ครั้งที่ 4/2548 Ref.: SET-2018-003 February 14, 2018 Subject: Signing on the Franchise Agreement; and the Agreement to Acquire and Dispose Assets of “Wuttisak Clinic