Exhibit 4
JOINT FILING AGREEMENT
The undersigned agree that the statement on Schedule 13D/A with respect to the Common Stock,par value $1.00 per share, of Penford Corporation, a Washington corporation, dated as of December 6, 2012, is, and any amendments thereto (including amendments on Schedule 13G) signed by each of the undersigned shall be, filed on behalf of each of them pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended.
DATED: December 6, 2012
Zell Credit Opportunities masteR Fund, L.P.
Zell Credit Opportunities SIDE Fund, L.P.
Each by:CHAI TRUST COMPANY, LLC
Its: General Partner
By: /s/ Philip G. Tinkler | |
Philip G. Tinkler | |
Chief Financial Officer | |
CHAI TRUST COMPANY, LLC | |
By: /s/ Philip G. Tinkler | |
Philip G. Tinkler | |
Chief Financial Officer | |
Zell Credit Opportunities (GenPar), L.L.C. | |
EGI Investment Manager, L.L.C. | |
SZ Investments, L.L.C. | |
By: /s/ Philip G. Tinkler | |
Philip G. Tinkler | |
Vice President |