ที่ - Translation - PorBor. 018 / 2018 May 15, 2018 Subject: Clarification of operating results change from the same period last year by more than 20% To: President The Stock Exchange of Thailand

machine (dialysis solution) higher than the previous year at 12.07 MB, which was resulted from the success in expanding new- customer base during the ending period of 2016. These were resulted to revenue in

facilitate the government officers who are in duty to handle COVID-19 pandemic. During the temporarily suspension, the Company need to adjust compensation scheme to the employees to enable the Company to

(Translation) UAC.CS/016/2018 August 14, 2018 Subject: Explanation of the operating results for the second quarter period ended June 30, 2018 To: President The Stock Exchange of Thailand Attachment

dated August 8, 2020 approved the Company’s Interim Financial Information ending June 30, 2020. The Company would like to clarify the six-month period ended June 30, 2020 earnings results, as follows

revenue for three-month period and six-month period ended 30 June 2020 in the amount of Baht 22.67 million and Baht 49.99 million, respectively. When compared to the same period of the year 2019, that had

(Translation) UAC.CS/011/2018 May 14, 2018 Subject: Explanation of the operating results for the first quarter period ended March 31, 2018 To: President The Stock Exchange of Thailand Attachment

marketing margin declined from the rise in crude oil price in Q1/2019, which caused the finished oil products cost to increase, while the retail price was slower to adjust. Moreover, with the price fix for

compared with net loss of Baht 5.61 million on Baht 8.40 million revenues over the same period in 2018. The change in loss for the quarterly operating result ended on June 30, 2019 is Baht 22.33 million

Limited and its subsidiaries for the six-month period ended 30 June 2019 represented a loss before the provision for doubtful accounts and impairment of assets of Baht 68.20 million. Inclusive of the