1 Executive Summary AIS continued to build on leadership in mobile data through improved 4G quality and brand perception. In 1Q17, CAPEX of Bt11.5bn was spent to strengthen 4G network quality through

and +0.5% QoQ. Customer perception is gradually improving after the launch of AIS NEXT G and differentiated offerings. In addition, a focus on profitable segments resulted in strong postpaid net

share and hence retain or expand our scale in respective businesses. For mobile business, 4G adoption and demand is expected to continue rising following improved customer perception of our 4G network

softened handset subsidies and a focus on quality acquisition, partially offset by increasing advertising expense to enhance brand perception. Marketing expenses to total revenue stood at 5.1% , down from

customer perception. We continue to focus on delivering fair profitability balancing between short- and long- term drivers while keeping our solid financial strength. Market and Competitive Environment As

Share Purchase Agreement (“SPA”) to sell 3,249,998 shares (40.51 percent of the total SBITO’s shares) was signed on July 31, 2017, in which 1,604,444 shares were sold in phase one at the price of 71.49

million. Other income amount of 19 million Baht increased 17 million Baht from last year, this included compensation of 15 million Baht for another party’s breach of agreement. Costs and Expenses In 2018

Land and Property factory in Bangpoo Estate. 1.7) Other income decreased 50.37 million due the Company to forfeit the deposit 37.00 million baht form breach of the sale and purchase agreement in common

service agreement between Solvay and AGC, plus higher transportation costs from export sales portion. 3. In Q2 2017, the Company and its subsidiaries recorded additional impairment loss from the liquidation

sublease the Leased Property to One Sukhumvit 24. The Sublessor and One Sukhumvit 24 shall register the lease under the sublease agreement with respect to such land at the relevant land office within the end