On August 25, 2021 at Bamrasnaradura Infectious Diseases Institute, Cathleen Maleenont Ed., D., Chairman and CEO of Thai Solar Energy Public Company Limited, or (“TSE”) donated 2 units of Olive Oxygen Concentrator OLV-10S with a total value of 96,300 Baht. Ms. Sirirat Hauytharn, AVP of Business Development, a representative, delivered the machines to Petty Officer First Class (PO1) Rangsan Thamoolsan, Deputy Director The Support Mission Group of Bamrasnaradura Institute, to help medical personnel treat COVID-19 patients.