set-q2-61 (Translation) LEE 10/2018 14 August 2018 Subject : Management Discussion and Analysis for the second quarter ended June 30, 2018 To : President of The Stock Exchange of Thailand We submit

Ref Ref. 2S_BoD024/2018 August 14th, 2018 Subject: Clarification of the change in operating result more than 20% To : The president The Stock Exchange of Thailand 2S Metal Public Company Limited (the

Stock Exchange of Thailand For the Q3/2018 period ended of September 30, 2018 (3 months) operating result of the company net profit Baht 4.79 Million comparison with the previous Q3/2017’s net loss of

MATI 21/2561 November 13, 2018 Subject Consolidated Financial Report for the nine-month period which ended at September 30, 2018 To Director and Manager The Stock Exchange of Thailand Nine-month

Attn : The Directors and The MAI Manager Ref: Dimet AC 1811/001 November 13, 2018 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Report on Q.1’s performance

-1- December 25, 2018 Subject Report on Payment for Investment in acquisition and sale of tap water in some areas of Phuket and some areas of Phangnga. To Director and Manager The Stock Exchange of

Attn : The Directors and The MAI Manager Ref: DIMET AC 1911/001 November 14, 2019 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Report on Q.1’s performance

-1- Ref. FPI. 014/2019 26 November 2019 Subject: Additional clarification regarding increase in capital investment in ALP FPI PARTS PRIVATE LIMITED in India To: Board of Directors and President of

AC 52/07-003 ACC1/20-030 May 11, 2020 Subject: Management Discussion and Analysis Quarter 1 Ending March 31, 2020 To: Director and Managing Director The Stock Exchange of Thailand Qualitech Public

Stock Exchange of Thailand The operating performance for three-month period end of 31 March 2020 of Mahachai Hospital Public Company Limited compared to the prior year was decreasing in net profit