[FORM 20-F (Mark One) o OR x For the fiscal year ended September 30, 2009 OR o OR o 000-5157 Origin Agritech Limited Not Applicable British Virgin Islands (Jurisdiction of incorporation or organization) No. 21 Sheng Ming Yuan Road, Changping District, Beijing 102206, China Title of each class Name of each exchange on which registered Ordinary Shares The NASDAQ Global] [CERTIFICATION I, Liang Yuan, certify that: 1. I have reviewed this annual report on Form 20-F of Origin Agritech Limited; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were] [CERTIFICATION I, Irving Kau, certify that: 1. I have reviewed this annual report on Form 20-F of Origin Agritech Limited; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were] [ORIGIN AGRITECH LIMITED Certification EX-13.1 5 v171264_ex13-1.htm] [ORIGIN AGRITECH LIMITED Certification EX-13.2 6 v171264_ex13-2.htm] [EX-15.2 7 v171264_ex15-2.htm]