Investor Strategies for Incorporating ESG Considerations into Corporate Interactions www.blackrock.com www.ceres.org Century21st Engagement Investor Strategies for Incorporating ESG Considerations into Corporate Interactions [ 5 ] FOREWORD The Value of Our Voice ......................................................................................................................................... 1 How ESG Megatrends Are Shaping Valuation ...........................................................

Baht in 2017. Please kindly be informed accordingly, Yours Faithfully, Mr. Yanyong Wittayapaisarn Chief Financial Officer

แบบแสดงรายการข้อมูลการเสนอขายหลักทรัพย์ (UNOFFICIAL TRANSLATION) Readers should be aware that only the original Thai text has legal force, and that this English translation is strictly for reference. 2 Registration Statement for Securities Offering (Form 69-1) Company: .......... (Name of Securities Offeror) ….....… Offers for Sale ....................................................................................................................................................... .................

Mr. Nopphadej Karnasuta Mr. Nopphadej Karnasuta, Chief Financial Officer who is responsible for the operation of B.Grimm Bip Power 1 Company Limited ("BIP1") shall be liable for BIP1's

Mr. Nopphadej Karnasuta Mr. Nopphadej Karnasuta, Chief Financial Officer who is responsible for the operation of B.Grimm Bip Power 1 Company Limited ("BIP1") shall be liable for BIP1's

Mr. Nopphadej Karnasuta Mr. Nopphadej Karnasuta, Chief Financial Officer who is responsible for the operation of B.Grimm Bip Power 2 Company Limited ("BIP2") shall be liable for BIP2's

Mr. Nopphadej Karnasuta Mr. Nopphadej Karnasuta, Chief Financial Officer who is responsible for the operation of B.Grimm Bip Power 2 Company Limited ("BIP2") shall be liable for BIP2's

Mr. Nopphadej Karnasuta Mr. Nopphadej Karnasuta, Chief Financial Officer who is responsible for the operation of Amata B.Grimm Power Spv1 Company Limited ("SPV1") shall be liable for SPV1

Mr. Nopphadej Karnasuta Mr. Nopphadej Karnasuta, Chief Financial Officer who is responsible for the operation of Amata B.Grimm Power Spv1 Company Limited ("SPV1") shall be liable for SPV1

Mr. Sarun Yansopananan Mr. Sarun Yansopananan, the former chief executive officer and chief financial officer, responsible for the operation of Hydrotek Public Company Limited (“HYDRO”), shall be