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 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, 2006, 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 31, 2006
/s/ Jeffrey T. Cook   Jeffrey T. Cook, Director	October 31, 2006
/s/ R. Randolph Devening   R. Randolph Devening, Director	October 31, 2006
/s/ Paul H. Hatfield   Paul H. Hatfield, Director	October 31, 2006
/s/ John C. Hunter III   John C. Hunter III	October 31, 2006
/s/ Sally G. Narodick   Sally G. Naroldick	October 31, 2006
/s/ James E. Warjone   James E. Warjone	October 31, 2006