Exhibit 24



SECTION 16



POWER OF ATTORNEY



Know all by these presents that the undersigned hereby constitutes and appoints each of Robert V. Vitale,

Diedre J. Gray and Margaret J. Lammert, and their successors in office and designees, signing singly, the

undersigned's true and lawful attorney-in-fact to:



       (1) prepare, execute in the undersigned's name and on the undersigned's behalf, and submit

to the U.S. Securities and Exchange Commission (the "SEC") a Form ID, including amendments thereto,

and any other documents necessary or appropriate to obtain codes and passwords enabling the

undersigned to make electronic filings with the SEC of reports required by Section 16(a) of the Securities

Exchange Act of 1934 or any rule or regulation of the SEC;



       (2)  execute and file for and on behalf of the undersigned, in the undersigned's capacity as an

officer and/or director of Post Holdings, Inc. (the "Company"), Forms 3, 4 and 5 in accordance with

Section 16 (a) of the Securities Exchange Act of 1934 and the rules thereunder;



       (3)  do and perform any and all acts for and on behalf of the undersigned which may be

necessary or desirable to complete and execute any such Form 3, 4, or 5, complete and execute any

amendment or amendments thereto, and timely file such form with the SEC and any stock exchange or

similar authority; and



       (4)  take any other action of any type whatsoever in connection with the foregoing which, in

the opinion of such attorney-in-fact, may be of benefit to, in the best interest of, or legally required by, the

undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the

undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and

conditions as such attorney-in-fact may approve in such attorney-in-fact's discretion.



The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform

any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of

the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or

could do if personally present, with full power of substitution or revocation, hereby ratifying and

confirming all that such attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall lawfully

do or cause to be done by virtue of this power of attorney and the rights and powers herein granted. The

undersigned acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the request

of the undersigned, are not assuming, nor is the Company assuming, any of the undersigned's

responsibilities to comply with Section 16 of the Securities Exchange Act of 1934.



This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to

file Forms 3, 4 and 5 with respect to the undersigned's holdings of and transactions in securities issued by

the Company, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing

attorneys-in-fact.



       IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as

of this 17th day of January, 2012.



/s/ Terence E. Block



Terence E. Block