1 2Q19 MD&A Advanced Info Service Plc. Executive Summary Competition in mobile saw an improvement In 2Q19 the price competition in mobile industry had improved with fixed speed unlimited data pricing

strong global demand for polyester fibers coming from replenishment of pipeline inventory to support pent up consumer demand, as well as improved spreads coming from strong domestic market in India and

the same period of the year earlier and has gross profit margin of 31.89%. because the company has improved the structure within the organization. The company has administrative expenses of THB 3.56

Attn : The Directors and The MAI Manager Ref: Dimet AC 1802/001 February 13, 2018 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Report on improved Q.2’s

margin of (11.49%). because the company has improved the structure within the organization The company has administrative expenses of THB 7.62 million, increase of THB 1.17 million or 18.03% compared to

decreased year-on-year, attributable to improved efficiency as well as on-going cost reduction and cost control. Hence, gross profit margin improved from 7.0% of sales in Q1 2016 to 7.7% of sales in Q1 2017

company, while the company still has improved on the inventory cost management as well as sales mix management in each product category efficiently, and strictly controlled on the selling and administrative

in Malaysia. Cost of sales and services increased by only 1.2 percent while sales have increased by over 3 percent. As a result, gross profit margin as percentage of sales continuously improved, from

percentage of sales, gross profit margin improved from 7.2% in Q1 2018 to 8.9% in Q1 2019, driven by cost reduction measures and improved efficiency and increases of gross profit from tooling sales in Q1 2019

standards and relevant regulations as well as being communicated to the personnel. Moreover, the inspection results of individual audit engagements in 2017 showed that the overall audit quality had improved