2/2020 Quarter 2/2019 Changed (%) Income from sale pipe 296.91 219.45 35.30 Income from installation pipe 75.38 49.73 51.58 Incomes from the water management business - Sales and service of water

in the consultant and planning for pipe installation system and providing High Density Polyethelene (HDPE) pipe installation service and water management.  On 1 July 2018, the Company acquired the

WIIK and Subsidiary Summarized of the Statement of income Unit : million Baht Quarter 1/2018 Quarter 1/2017 Changed (%) Incomes from sale and installation of the pipeline 248.60 285.42 (12.90) Incomes

Commerce and remained using the abbreviation “WIIK”. Wiik Water Company Limited (WW)  Principally engaged in the consultant and planning for pipe installation system and providing High Density Polyethelene

manufacturing more products for our customers and customers already installation. As a result, the performance for the second quarter of 2018 is as follows. - Sales increased from Baht 172.88 million in the

June 30, 2018 as follows; Summarized of the Statement of income Unit : million Baht Quarter 2/2018 Quarter 2/2017 Changed (%) Incomes from sale and installation of the pipeline 227.86 300.27 (24.11

3/2016 due to the major reasons as follows; 1. Total income decreased from the quarter 3/2016 by 48.03 million Baht or 13.46% from the results of; 1.1 Income from sale and installation of the pipeline

Directors’ Meeting No. 323 of Diamond Building Products Public Company Limited (“Company”), which was held on March 18, 2019, has unanimously resolved to approve the investment project for the installation of

projects occurred. The group received positive effect from installation work 78.33 million Baht, from 71.84 million Baht in the year 2016. In 2017, there were other Income at 30.56 million Baht decreased

construction equipment was not sold this quarter. Revenue from installation work Baht 30.62 million, decreased by 60.90% from the sub- contracting project nearly completion. But revenue from rental equipment