[EXPLANATORY NOTE] [CERTIFICATION I, Gengchen Han, certify that: 1. I have reviewed this amended 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] [CERTIFICATION I, James Chen, certify that: 1. I have reviewed this amended 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] [ORIGIN AGRITECH LIMITED Certification EX-13.1 4 v364565_ex13-1.htm EX-13.1] [ORIGIN AGRITECH LIMITED Certification EX-13.2 5 v364565_ex13-2.htm EX-13.2] [CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM Origin Agritech Limited No. 21 Sheng Ming Yuan Road Changping District Beijing 102206 China We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (File No. 333-166226 and 333-145865) of Origin Agritech Limited and its subsidiaries and variable interest entities (the “Company”) of our reports dated January 8,] [CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM The Board of Directors Origin Agritech Limited No. 21 Sheng Ming Yuan Road Changping District Beijing 102206 The PRC We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (File Nos. 333-166226 and 333-145865) of Origin Agritech Limited of our report dated January 27, 2011, relating to the]