-scale projects had delayed their procurement in previous years, such as the High-Speed Internet Service Project in Remote Area and the New Parliament Project in Information and Communication Technology

3Q21 MD&A Advanced Info Service Plc. Executive Summary Slight revenue improvement despite COVID restriction measures and continued competition During 3Q21, the economy remained subdue from COVID

1 1Q21 MD&A Advanced Info Service Plc. Executive Summary Mobile revenue slightly recovered QoQ following strong acquisition and government stimulus In late 4Q20, the new phase of outbreak had re

-Speed Internet Service Project in Remote Area and the Core and Access Switch for Core Network Replacement and SDN project. Therefore, the total revenue increased while the total operation expenses and the

1 2Q20 MD&A Advanced Info Service Plc. Executive Summary 2Q20 reflected the full effect of COVID-19 The effect from COVID-19 pandemic which had begun since Feb- 20 continued to fully develop in 2Q20

Meeting No. 2/2019 of Advanced Connection Corporation Public Company Limited (“the Company”) held on February 25, 2018 has a resolution to approve to enter into Sale and Purchase Contract of 1,000,000

Director’s Meeting No. 2/2019 of Advanced Connection Corporation Public Company Limited (“the Company”) held on February 25, 2018 has a resolution to approve to enter into Sale and Purchase Contract of

1 3Q20 MD&A Advanced Info Service Plc. Executive Summary Continued economic impact on mobile business despite improved pandemic situation in Thailand With well-managed pandemic situation, domestic

Derivative Warrants | ADVA01C1603A | DERIVATIVE CALL WARRANTS ON ADVANCED INFO SERVICE PUBLIC COMPANY LIMITED ISSUED BY BUALUANG SECURITIES PUBLIC COMPANY LIMITED LAST TRADING IN MARCH 2016 # A

Derivative Warrants | ADVA01P1603A | DERIVATIVE PUT WARRANTS ON ADVANCED INFO SERVICE PUBLIC COMPANY LIMITED ISSUED BY BUALUANG SECURITIES PUBLIC COMPANY LIMITED LAST TRADING IN MARCH 2016 # A