1 Translation CEN 012-2019 May 14, 2019 Subject Management discussion and analysis for business operation Quarter 1-2019 To The Manager and President The Stock Exchange of Thailand For 3 months

Page 1 of 3 T.K.S. TECHNOLOGIES Business Overview T.K.S. Technologies Public Company Limited (“company”) reported total revenues from sales of THB 312 mil. for the 1st quarter 2018, which dropped of

Thailand regarding Disclosure of Information and Procedures of Listed Companies on Connected Transaction B.E. 2546 (2003). This transaction is considered normal support business without any trade condition

conveniently. On business side, the Subcommittee will promote easier access to the capital market as a fundraising source for both short-and long-term projects with financial costs suitable for business

which are debt instruments; (2) “ securities company ” means a company licensed to undertake securities business in the category of securities dealing; (3) “ counterparty ” means a person who trades

instruments; (2) “securities company” means a company licensed to undertake securities business in the category of securities dealing; (3) “counterparty” means a person who trades securities with a securities

Management Discussion and Analysis for the First Quarter of Year 2018 Business Overview Business overview of One to One Contacts Public Company Limited and its subsidiaries (“the Group”) for the

trade receivables of 2.84 million Baht and other receivables of 0.03 million Baht. Such estimation are based on the Company’s regulations related accounting policy. Details of debtors with estimated

Baht 20.00 million, Bill of exchange Baht 105 million and UOB's loans Baht 15 million and increased from trade accounts payable by extend credit term with vendors. Shareholders' equity increased by 25.67

-68.42% Operating results for each business segment are shown below: 1. Manufacturing and Selling of Special Cutting Tools unit: THB million 2019 2018 Change (THB million) Change (%) Revenue from External