10th May, 2018 Subject: Management Discussion and Analysis (MD&A) of the financial as at and for three months’ period ending 31st March, 2018 Attention: President The Stock Exchange of Thailand P.C.S

separate financial statements, the Company shows operation results for the year 2018 with the following details: unit: THB million 2018 2017 Change (THB mill.) Change (%) Revenue from Sales and Service

November 12, 2004 1/3 No: SN. 036/2017 May 11, 2017 Subject: Clarification of Operating Results and Financial Status the six-month period ended March 31, 2017 Attention: President The Stock Exchange

separate financial statements, the Company shows operation results for the year 2017 with the following details: unit: THB million 2017 2016 Change (THB mill.) Change (%) Revenue from Sales and Service

the separate financial statements, the Company shows operation results for the three- month period ended March 31, 2018 with the following details: unit: THB million 2018 2017 Change (THB million

separate financial statements, the Company shows operation results for the six-month period ended June 30, 2018 with the following details: unit: THB million 2018 2017 Change (THB million) Change (%) Revenue

121.50 15.82 13.02% For the separate financial statements, the Company shows operation results for the nine- month period ended September 30, 2018 with the following details: unit: THB million 2018 2017

Microsoft Word - Oishi MDA - Year End 2018_EN_v2_Sud.docx Ref. SorNor. 040/2018 November 20, 2018 Subject: Clarification of Operating Results and Financial Status for the year 2018, ended September

Management Discussion and Analysis of quarter 1 /2020 1 | p a g e M.D. 103/2020 August 7, 2020 Subject: Notification of quarter 1/2020 operating results and financial position To: President of the

Ref. APURE 024/2023 August 15, 2023 Subject : Financial Position and Operating Performance of year 2022 (Revise) Attention : The Director and President of the Stock Exchange of Thailand Financial