List of Participants

PGTECH COMPANY LIMITED

3V ENGINEERING SOLUTIONS CO., LTD.

AMORNMONGKOL CO., LTD.

BAAN BE SMILE CO., LTD.

BRENNTAG INGREDIENTS (THAILAND) PUBLIC CO., LTD.

C.C. KENDENSHA CO., LTD.

C.M.P. GROUP

CARBON THAI CO., LTD.

CHULA ENGINEER

DEMARC TRADING CO., LTD.

DEPARTMENT OF CLIMATE CHANGE AND ENVIRONMENT (DCCE)

EBARA (THAILAND) LIMITED

ENCOTEC CO., LTD.

ENDRESS+HAUSER (THAILAND) LTD.

FUNCTION INTERNATIONAL PUBLIC COMPANY LIMITED

GENBINA ENGINEERING CO., LTD.

GLOBAL STAR TECHNOLOGIES CO., LTD.

HICOP ENERGY CO., LTD.

HYDRO SYSTEM SUPPLY LTD., PART.

INC SQUARE CO., LTD.

KEJIE INTERNATIONAL (THAILAND) CO., LTD.

KING MONGKUT'S UNIVERSITY OF TECHNOLOGY NORTH BANGKOK

KONISHIYASU TRADING (THAILAND) CO., LTD.

MAHIDOL UNIVERSITY

MOWOTAS (THAILAND) CO., LTD.