address these issues urgently. The additional volumes from Saraburi Quicklime helped topline growth of 17% and, while the market which volume wise was not as strong as the record breaking 2018 Q1, saw

not yet fully recovered due to the concern over 2nd wave of COVID-19 pandemic, international travel restriction in many countries and slowdown of economic recovery as well as business cutting down

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

continuously. In addition, there was another revenue form property management business which was operated by Prospect Development. The operation of both companies helped to improve MK Group’s image. This year

payment rate also helped accelerate growth in this quarter. This new rate has been effective since July 1, 2017. As such, social security revenue of 3Q17 increased by 27% yoy. In light of non-social

rates and a higher cost of goods sold. Thanks to the Company’s latest investments undertaken in 2017, that enabled the factory to increase its utilization rate, which helped lessen the effect of the

unit cost following the Company’s higher capacity utilization to cater to larger production volume which helped pull down certain fixed production cost. 3. Selling expenses In Q1/2018, the Company

and efficiency gained from Phase 3 of the new plant that supported volume growth helped lessen the effect of the above on profit margin. Administrative and Selling Expenses Selling, general, and

this quarter, the Company incurred expenses from newly launched housing projects and this helped to stimulate sales. - Administrative expenses increased by THB 35.28 million. Of which, more than 50% came

have been helped. And measures that the company has implemented as follows Measures to reduce the company's operating costs 1. The company receives rental discounts from lessors such as Big C during the