EX-24.1 8 c22106s1exv24w1.htm POWER OF ATTORNEY

exv24w1

Exhibit 24.1

POWER OF ATTORNEY

     KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below hereby constitutes and appoints each of John D. Johnson, John Schmitz and David Kastelic his or her true and lawful attorney-in-fact and agent, with full power to each act without the other, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any an all capacities, to sign a Registration Statement on Form S-1 under the Securities Act of 1933, as amended, and any and all amendments (including post-effective amendments) and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto each such attorney-in-fact and agent full power and authority to do and perform each and every act and thing requisite or necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that each such attorney-in-fact and agent, or his or her substitutes, may lawfully do or cause to be done by virtue hereof.

     IN WITNESS WHEREOF, this Power of Attorney has been signed on the 3^rd day of October, 2007, by the following persons:

Signature				Title
/s/ John D. Johnson				President and Chief Executive Officer
John D. Johnson				(principal executive officer)
/s/ John Schmitz				Executive Vice President and Chief Financial Officer
John Schmitz				(principal financial officer)
/s/ Jodell Heller				Vice President and Controller
Jodell Heller				(principal accounting officer)
/s/ Michael Toelle				Chairman of the Board of Directors
Michael Toelle
/s/ Bruce Anderson				Director
Bruce Anderson
/s/ Donald Anthony				Director
Donald Anthony
/s/ Robert Bass				Director
Robert Bass

Signature				Title
/s/ Dennis Carlson				Director
Dennis Carlson
/s/ Curt Eischens				Director
Curt Eischens
/s/ Steve Fritel				Director
Steve Fritel
/s/ Robert Grabarski				Director
Robert Grabarski
/s/ Jerry Hasnedl				Director
Jerry Hasnedl
/s/ David Kayser				Director
David Kayser
/s/ James Kile				Director
James Kile
/s/ Randy Knecht				Director
Randy Knecht
/s/ Michael Mulcahey				Director
Michael Mulcahey
/s/ Richard Owen				Director
Richard Owen
/s/ Steve Riegel				Director
Steve Riegel
/s/ Daniel Schurr				Director
Daniel Schurr
/s/ Duane Stenzel				Director
Duane Stenzel

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