20240205-ADVANC-MDA-4Q23-EN 4Q23 & FY23 MD&A Advanced Info Service Plc. 1 Executive Summary Achieved solid revenue growth from core business focus and TTTBB acquisitions. FY23, the Thai economy

% 1,964.18 99.17% 3,540.12 180.23% Service 9.78 0.18% 16.49 0.83% (6.71) (40.69%) Total Revenues 5,514.08 100.00% 1,980.67 100.00% 3,533.41 178.39% Cost of Goods Sold (4,928.18) (89.53%) (1,972.43) (100.42

100.00% 5,504.30 99.82% 927.26 16.85% Service 0.00 0.00% 9.78 0.18% (9.78) (100.00%) Total Revenues 6,431.56 100.00% 5,514.08 100.00% 917.48 16.64% Cost of Goods Sold (5,890.19) (91.58%) (4,929.57) (89.56

Phatra Securities Plc. for 1Q21 was at 10.84%, continuing to rank 1st from total of 38 brokers. Overall market environment The Thai economy started out at a slow pace in January 2021 due to the resurgence

Section 115 Securities and Exchange Act B.E. 2535 Section 115. In operating the business of investment advisory service, a securities company shall comply with the rules, conditions and procedures as

Securities and Exchange Commission No. OrThor. 7/2549 Re: Guidelines and Conditions for Securities Company Relating to the Using of Back Office Service from Service Provider Whereas the securities company may

the Office of the Securities and Exchange Commission No. OrThor. 7/2549 Re: Guidelines and Conditions for Securities Company Relating to the Using of Back Office Service from Service Provider Whereas

Exchange Commission No. SorThor. 20/2549 Re: Rules for Derivatives Broker on Using of Derivatives Investor Contact Service and Back Office Service from Service Provider By virtue of Clause 27/1 of the

the Office of the Securities and Exchange Commission No. SorThor. 20/2549 Re: Rules for Derivatives Broker on Using of Derivatives Investor Contact Service and Back Office Service from Service Provider

specified in the notification of the SEC. In this regard, the SEC may also specify fees or service charges which the securities company may charge its customers for the performing underwriting service.