baht or 5.5 percent compared to non-current assets as of December 31, 2019. The significant change occurred from changes in accounting policies due to Thai Financial Reporting Standard No. 16 (TFRS 16

. Details are as follow: Buyer (Remained No Change) Cal-Comp Electronics (Philippines) Inc. (“CCPH”), a wholly-owned subsidiary of the Company Seller (Remained No Change) Kinpo Electronics, Inc. and/or its

-2022 Balance by Quarter Change Topic Q1-22 Q4-21 Q1-21 Q1-22 VS Q4-21 Q1-22 VS Q1-21 (Million Baht: MB) (MB) % (MB) % Total revenue 1,399.2 1,620.3 1,824.2 (221.1) (13.6) (425.0) (23.3) Total operating

Summary of operations and the factors that make a significant change Summary of Operations for the Year 2022 Operation Overview Annual Balance Change 2022 2021 2022 VS 2021 Million baht (MB) (MB) % Total

our new and existing customers. Unit : million Baht Jan - Sept 2020 % Jan - Sept 2019 % Change %YoY Sales and Services Revenues 382.82 99.4 250.79 99.6 132.03 52.6 Other income 2.33 0.6 0.94 0.4 1.39

Balance by Quarter Change Topic Q1-23 Q4-22 Q1-22 Q1-23 VS Q4-22 Q1-23 VS Q1-22 (Million Baht: MB) (MB) % (MB) % Total revenue 1,296.7 1,729.1 1,399.2 (432.4) (25.0) (102.5) (7.3) Total operating expenses

of disclosure of information to the SET. Your acknowledgment of these matters would be appreciated. Sincerely, -Ampawee Chompoopongkasem- (Ms. Ampawee Chompoopongkasem) Company Secretary 2 (Enclosure

. Phuthitorn Tamthum acted with acknowledgment or pursuant to a mutual agreement to allocate roles among themselves in trading securities in a manner that misled the public regarding the price or trading volume

Change in fair value of available-for- sale investmetns ▪ Recognised in OCI (Other Comprehensive Income) THB 1.8 million ▪ Recognised in P/L THB 1.8 million Change in fair value of interest rate swaps

debt to equity ratio of the Company was considerably low at 0.28: 1. Financial Highlights 3Q 2017 3Q 2016 Change 9M 2017 9M 2016 Change THB million % Sales THB million % Sales THB million % THB million