ที่ กบร No. Lor Gor. 016/2020 May 13, 2020 President The Stock Exchange of Thailand Re : Clarification on the company’s over 20% change in its operating results for 2nd quarter, 2020 Dear Sir, Thai

หนา้ 1 จาก 1 Translation August 13, 2020 Subject: Management explanation and analysis for Year ended 30 June 2020 Attn: The Managing Director, the Stock Exchange of Thailand Pacific Pipe Public

Manager of the Stock Exchange of Thailand For the Q2/2020 period ended of June 30, 2020 operating result of the company net profit Baht 37.97 Million comparison with the previous Q2/2019’s net loss of Baht

MATI 10/2563 August 14, 2020 Subject Consolidated Financial Report for the six-month period which ended at June 30, 2020 To Director and Manager, The Stock Exchange of Thailand Six-month period

their intention to join CAC, and companies certified by CAC. 4  The Stock Exchange of Thailand : the record of listed companies with corporate sustainable development "Thai sustainability Investment 2021

categorised into: companies that have declared their intention to join CAC, and companies certified by CAC. 4  The Stock Exchange of Thailand : the record of listed companies with corporate sustainable

join CAC, and companies certified by CAC. 4  The Stock Exchange of Thailand : the record of listed companies with corporate sustainable development "Thai sustainability Investment 2021" included: SET and

Stock Exchange of Thailand: THSI (SET) and THSI (mai) SET listed companies passed the assessment conducted by the Dow Jones Sustainability Indices (DJSI) 5  Financial Data / Company Business / Address

) are categorised into: companies that have declared their intention to join CAC, and companies certified by CAC. 4  The Stock Exchange of Thailand : the record of listed companies with corporate

declared their intention to join CAC, and companies certified by CAC. 4  The Stock Exchange of Thailand : the record of listed companies with corporate sustainable development "Thai sustainability Investment