, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขท่ี 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (มหำชน) (Translation) No. 089/1060 9 October

, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขท่ี 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (Translation) No. 031/0461 April 12, 2018

, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขท่ี 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (Translation) No. 037/0561 May 8, 2018 Subject

PowerPoint Presentation Management’s Discussion and Analysis (MD&A) For the Financial Result of Quarter 1 Year 2018 Ended March 31, 2018 B.GRIMM POWER PUBLIC COMPANY LIMITED Management’s Discussion

PowerPoint Presentation Management’s Discussion and Analysis (MD&A) For the Financial Result of Quarter 3 Year 2018 Ended September 30, 2018 B.GRIMM POWER PUBLIC COMPANY LIMITED Management’s

PowerPoint Presentation Management’s Discussion and Analysis (MD&A) For the Financial Result of Quarter 1 Year 2020 Ended March 31, 2020 B.GRIMM POWER PUBLIC COMPANY LIMITED Management’s Discussion

PowerPoint Presentation Management’s Discussion and Analysis (MD&A) For the Financial Result of Quarter 3 Year 2017 Ended September 30, 2017 B.GRIMM POWER PUBLIC COMPANY LIMITED Management’s

PowerPoint Presentation Management’s Discussion and Analysis (MD&A) For the Financial Result of Quarter 2 Year 2018 Ended June 30, 2018 B.GRIMM POWER PUBLIC COMPANY LIMITED Management’s Discussion

PowerPoint Presentation Management’s Discussion and Analysis (MD&A) For the Financial Result for the Fiscal Year Ended December 31, 2018 B.GRIMM POWER PUBLIC COMPANY LIMITED Management’s Discussion

Issued and paid-up share capital 1,316.25 1,316.25 - 0.00% Premium on ordinary shares 264.33 264.33 - 0.00% Surplus - warrants 310.00 310.00 - 0.00% Retained earnings (1,824.19) (1,624.52) (199.67) 10.95