Ref. No. 132 /2560 10 August 2017 SUBJECT : 2Q/2017 reviewed financial statements and related comments. ATTN : The President Stock Exchange of Thailand Attachment : The reviewed financial statements

บริษัท สำนักกฎหมายธรรมนิติ จำกัด Page 1 of 1 No. NDR010/2017 August 11, 2017 Subject Management Discussion and Analysis Report for Q2/2017 Attention: Directors and Manager, The Stock Exchange of

ที่ กบร No. Kor Bor Ror. 023/2017 August 15, 2016 President The Stock Exchange of Thailand Re : Clarification on the company’s over 20% change in its operating results for 2nd quarter, 2017 Dear Sir

million land-sale revenue in Q2/2017 from about 11 rai of land title deed transfer while it had no revenue from selling of land in Q2/2016. ▪ A decreasing cost of utility services in Q2/2017 comparing to

E 1 Information Memorandum on the Connected Transaction of White Group Public Company Limited Board of Directors’ Meeting of White Group Public Company Limited No.3/2017 held on 24 August 2017

Boardpaper 2017-3 Eng 1 Information Memorandum on the Connected Transaction of White Group Public Company Limited Board of Directors’ Meeting of White Group Public Company Limited No.3/2017 held on

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, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขท่ี 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (มหำชน) (Translation) No. 079/0960 25

, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขท่ี 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (มหำชน) (Translation) No. 082/0960 25

, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขท่ี 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (มหำชน) (Translation) No. 084/0960 26