are calculated from Total Revenue 1 Financial PerformanceExecutive Summary Significant Events Management Discussion & Analysis Q1/2022 2 Expanding to Overseas Market • On January 25, 2022, the Company

Mrs. Usavadee Srisuchart Between April 7 - 21, 2010, Mrs. Usavadee Srisuchart and Mr. Perayuth Nark-In aided and abetted Mr. Swake Srisuchart in purchasing Power Line Engineering Public Company

Mr. Perayuth Nark-In Between April 7 - 21, 2010, Mr. Perayuth Nark-In and Mrs. Usavadee Srisuchart aided and abetted Mr. Swake Srisuchart in purchasing Power Line Engineering Public Company Limited

Miss Viporn Jitsomwang Between November 16 ? 7 December, 2010, Miss Viporn Jitsomwang and Mrs. Narumon Chainaknan aided and abetted Mr. Thavatvong Thanasumitra in purchasing Bangkok Dusit

Mrs. Narumon Chainaknan Between November 16 ? 7 December, 2010, Mrs. Narumon Chainaknan and Miss Viporn Jitsomwang aided and abetted Mr. Thavatvong Thanasumitra in purchasing Bangkok Dusit

Mrs. Piyanuch Janetumnugul Between April 30 – 10 May, 2012, Mrs. Piyanuch Janetumnugul aided and abetted Mr. Satja Janetumnugul in purchasing Rayong Purifier Public Company Limited’s shares by

, defrauded and embezzled the company’s money by falsifying purchasing documents of non-existent cars to deceive the company into paying the money to himself and other persons for those cars, thereby causing

personal expenses and the depreciation because of the expanding capacity of subsidiaries. Sincerely yours, (Mr.Pongpat Patanavanich) Managing Director

Consolidated net loss for the period (Q1) amount -4.57 million compare with the same period (Q1) for the last year amount -2.80 because the Company Cost of Market Development of Expanding the customer base and

operations & Administrative expenses increased by Baht 97.94 million or 6.79 % due to the Medical personal expenses which was in line with the increased revenue,also increased because of the expanding capacity