Provincial Waterworks Authority Attention: Directors and Managers The Stock Exchange of Thailand CC: Secretary-General of the Office of the Securities and Exchange Commission, Thailand Attachment: Map of the

120 million cubic meter At the Eureka Design Public Company Limited board meeting, 3/2020, dated March 12, 2020, the board approved the investment in water production and sales to the Provincial

reduce the risk of the Provincial Waterworks Authority project and bring it to the Board of Directors for consider next meeting. However, when including the transactions occurring in the past 6 months, it

resolved as of the following: 1. Approve the investment of 237 million baht for the water sales project to the Provincial Waterworks Authority. 2. Approve the reduction of registered capital and amendment on

EASTW will reduce the tap water tariff sold to the Provincial Waterworks Authority (“PWA”) by 1.5% for a period of 3 months (April – June 2020) for contracts that EASTW sell bulk tap water to PWA and by

28, 2020 has resolved that Universal Utilities Public Company limited (“UU”) ,which is the Company’s subsidiary will reduce the tap water tariff sold to the Provincial Waterworks Authority (“PWA”) by

sale volume and Ua Withya PCL has more revenue from its subsidiaries (as nature of business are selling agricultural products and distribution of electricity to Provincial Electricity Authority in Nakhon

PCL) has more sale volume and Ua Withya PCL has more revenue from selling electricity to Provincial Electricity Authority in Nakhon Ratchasima province and also more revenue from selling electricity of

investment of 237 million baht for the water sales project to the Provincial Waterworks Authority. 2. Approve the reduction of registered capital and amendment on the Memorandum of Association to be in

agreement to execute the transaction. After approval by the Company’s Board of Directors, with retroactive effect from 1 April 2017 until 11 May 2020. 2. Party and relationship. The Provincial Waterworks