ARINSIRI LAND PUBLIC COMPANY LIMITED ARIP PUBLIC COMPANY LIMITED ARROW SYNDICATE PUBLIC COMPANY LIMITED ASAHI GIKEN MANUFACTURING COMPANY LIMI... ASAHI-THAI ALLOY COMPANY LIMITED ASCON CONSTRUCTION PUBLIC

, 2017 (Unit : Million Baht) 2017 2016 Inc./(Dec.) % Construction income 146.58 250.70 -104.12 -41.53 Service income 15.96 24.00 -8.04 -33.50 Sale of goods 1.05 1.05 Other income 1.64 1.09 0.55 50.46 Total

1.34 (0.72) (53.73%) 1 - Construction 554.20 346.80 207.40 59.80% 2 - Testing and Inspection 21.79 21.40 0.39 1.82% Cost of sales and services (683.90) (502.26) 181.64 36.16% Gross Profit 75.79 61.69

“Common Ground Co-working space” in Thailand at the G Tower office building located in Rama 9 next to CentralPlaza Grand Rama 9. The 4,500-square meter co-working space is a joint venture between CPN and

business including increase traffic as well as food delivery service which could enhance tenant’s sales. Debut the first “Common Ground Co-working space” in Thailand at the G Tower office building located in

tightening of financial institutions in loans approvals due to the deteriorations in asset quality. Private investment contracted in the investment in construction from the decline in permitted construction

financial institutions in loans approvals due to the deteriorations in asset quality. Private investment contracted in the investment in construction from the decline in permitted construction area and also

Digital Tech Planet Public Company Limited 973 President Tower Building, Unit 7B, 7C, 7D, 7I, 7th Floor, Ploenchit Road, Lumpini, Pathumwan, Bangkok 10330| Tel No. 02 656 0189

of subsidiaries. 3. Finance costs increased by Baht 49.85 million or 202.15 % due to the Investments in subsidiaries ,and the building expansion of the subsidiaries. Sincerely yours, (Mr.Pongpat

ที่ กตพ Ref. DBP. 080 / 2018 May 31, 2018 Subject : Connected Transaction in Respect of Office Lease Agreement Extension To : President The Stock Exchange of Thailand Diamond Building Products Public