low marketing activities. • Marketing expenses were Bt6,035mn, decreasing -8.5% YoY due to lower marketing activities in lockdown restriction period. FY21 MD&A Advanced Info Service Plc. • Admin & other

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

amended by the Securities and Exchange Act (No. 4) B.E. 2551 and Section 63(5) of the Securities and Exchange Act B.E. 2535 which contains certain provisions relating to the restriction of rights and

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

the unit holders, under Clause 23 and Clause 24; (16) the restriction of unit holders’ right when exceeding the holding ratio or when having extraordinary interest in the matter, under Clause 25; (17

Exchange Act B.E. 2535 (1992) which contains certain provisions in relation to the restriction of rights and liberties of persons, which Section 29 in conjunction with Section 33, Section 34, Section 41

1 2Q21 MD&A Advanced Info Service Plc. Executive Summary Prolonged economic impact from new phase of pandemic in 2Q21 As the new phase of pandemic re-emerged in the second quarter, we observed the

Section 19(3) of the Securities and Exchange Act B.E. 2535 (1992) as amended by the Securities and Exchange Act (No.4) B.E. 2535 (1992) which contains certain provisions on restriction of rights and

Act B.E. 2546 (2003) which contains certain provisions in relation to the restriction of rights and liberty of persons which Section 29 in conjunction with Section 33, Section 34, Section 36, Section 41

Derivatives Act B.E. 2546 (2003) which contain certain provisions relating to the restriction of rights and liberties of persons, which Section 29, in conjunction with Section 33, Section 34, Section 36