Business Group Structure

Group Structure as of December 31, 2022

Premier Quality Starch Co., Ltd. has divided its operations into 3 business groups: Premier Quality Starch Co., Ltd. (2012), Premier Bioenergy Co., Ltd., and Premier Modified Starch Co., Ltd.

Premier Quality Starch Public Company Limited

NATIVE STARCH PRODUCTION BUSINESS

PREMIER QUALITY STARCH CO., LTD. (2012)

NATIVE STARCH PRODUCTION BUSINESS

PREMIER BIOENERGY CO., LTD.

ALL KINDS OF POWER AND ENERGY PLANT BUSINESS

PREMIER MODIFIED STARCH CO., LTD.

MODIFIED TAPIOCA STARCH PRODUCTION BUSINESS