in world oil prices, resulting in a sharp drop in commodity prices this causes a lot of price competition. Yours Sincerely, Ms. Piyanan Suwannaphasri Assistant Managing Director Authorized to sign

Chairman - - 2. Ms. Yupaporn Boongate Vice - Chairman 30,528,400 1.948 3. Mr. Vasun Jaroenavarat Director 28,832,200 1.840 4. Mr. Wanthana Jaroennawarat Managing Director 29,943,900 1.911 5. Mr. Suthep

Intaranukulkij Managing Director

Microsoft Word - Operating Result for the third quarter of 2017.doc SBN 025/2017 November 13, 2017 Subject : Operating Result for the third quarter of 2017 To : The Managing Director, the Stock

report and disclose the information concerning the acquisition of such assets. For your acknowledgement. Yours faithfully, (Mr. Adisorn Thananan-narapool) Managing Director

Pongpat Patanavanich) Managing Director

Sahawat Chairman - - 2. Ms. Yupaporn Boongate Vice - Chairman 30,528,400 1.948 3. Mr. Vasun Jaroenavarat Director 31,000,000 1.978 4. Mr. Wanthana Jaroennawarat Managing Director 29,943,900 1.911 - 3 - List

sincerely Wichai Intaranukulkij Managing Director

Microsoft Word - EKH_61-007-SET-MD&A_610226_Y60_EN-3   EKH/CS/2018/007 26th February 2018 Subject : Management Discussion and Analysis of Financial statement for year 2017 To : Managing Director

expand its work in the areas of expertise and consider what best in returns of all stakeholders. Sincerely Yours, Mr.Thakoon Boonparn Managing Director