Exhibit 24

POWER OF ATTORNEY

     KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Thomas D. Malkoski, Steven O. Cordier, Christopher L. Lawlor and Margaret Von der Schmidt, and each of them, severally as attorney-in-fact for him or her in any and all capacities, to sign the Annual Report on Form 10-K of Penford Corporation for the fiscal year ended August 31, 2010, and to file such document and any amendments, with exhibits thereto, and any other documents in connection therewith, with the Securities and Exchange Commission, hereby ratifying and confirming all that said attorney-in-fact, or his or her substitute or substitutes, may do or cause to be done by virtue hereof.

Signature				Date
/s/ William E. Buchholz   William E. Buchholz, Director				October 27, 2010
/s/ Jeffrey T. Cook   Jeffrey T. Cook, Director				October 27, 2010
/s/ R. Randolph Devening   R. Randolph Devening, Director				October 27, 2010
/s/ Paul H. Hatfield   Paul H. Hatfield, Director				October 27, 2010
/s/ John C. Hunter III   John C. Hunter III, Director				October 27, 2010
/s/ Sally G. Narodick   Sally G. Narodick, Director				October 27, 2010
/s/ Edward F. Ryan   Edward F. Ryan, Director				October 27, 2010
/s/ James E. Warjone				October 27, 2010
James E. Warjone, Director
/s/ Matthew M. Zell   Matthew M. Zell, Director				October 27, 2010