As filed with the Securities and Exchange Commission on September 19, 2013

Registration No. 333-          

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

Form S-1
REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933

CHS INC.
(EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)

                 Approximate date of commencement of proposed sale to the public: As soon as practicable after this registration statement becomes effective.

                 If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933 check the following box: o

                 If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ý 333-190019

                 If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. o

                 If this Form is a post-effective amendment filed pursuant to Rule 462(d) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. o

                 Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of "large accelerated filer," "accelerated filer" and "smaller reporting company" in Rule 12b-2 of the Exchange Act. (Check one):

CALCULATION OF REGISTRATION FEE

(1)

Includes shares of Class B Cumulative Redeemable Preferred Stock, Series 1, which may be purchased by the underwriters to cover their over-allotment option to purchase additional shares of Class B Cumulative Redeemable Preferred Stock, Series 1.

(2)

Estimated pursuant to Rule 457(a) under the Securities Act of 1933, as amended. Based on the public offering price per share.

                 This Registration Statement shall become effective upon filing in accordance with Rule 462(b) under the Securities Act of 1933.

EXPLANATORY NOTE AND INCORPORATION BY REFERENCE

              This Registration Statement is being filed with respect to the registration of additional shares of Class B Cumulative Redeemable Preferred Stock, Series 1, of CHS Inc. pursuant to Rule 462(b) under the Securities Act of 1933. The contents of the earlier Registration Statement on Form S-1 (File No. 333-190019), which was declared effective by the Securities and Exchange Commission on September 17, 2013, are incorporated in this Registration Statement by reference.

              The required opinion and consents are listed on an Exhibit Index attached hereto and filed herewith.

SIGNATURES

              Pursuant to the requirements of the Securities Act of 1933, the registrant has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Inver Grove Heights, State of Minnesota, on September 19, 2013.

              Pursuant to the requirements of the Securities Act of 1933, this registration statement has been signed by the following persons in the capacities indicated on September 19, 2013.

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