We wish to express our sincere thanks to each of them. Their contribution support substantially the publication of the Journal of Antibiotics.

ASAHI KASEI PHARMA CORPORATION	Japan	MEIJI SEIKA KAISHA, LTD.	Japan
Astellas Pharma Inc.	Japan	Microbial Chemistry Research Foundation	Japan
BANYU PHARMACEUTICAL CO., LTD.	Japan	MERCIAN CORPORATION	Japan
Bristol-Myers K.K.	Japan	NIPPON KAYAKU CO., LTD.	Japan
DAIICHI SANKYO CO., LTD.	Japan	SHIONOGI & CO., LTD.	Japan
Dainippon Sumitomo Pharma Co., Ltd.	Japan	TAISHO PHARMACEUTICAL CO., LTD.	Japan
Eisai Co., Ltd.	Japan	Toyama Chemical Co., Ltd.	Japan
KAKEN PHARMACEUTICAL CO., LTD.	Japan	Traders Protein	U.S.A.
Kyorin Pharmaceutical Co., Ltd.	Japan	Wyeth K.K.	Japan