EX-24 4 k18739exv24.txt POWERS OF ATTORNEY EXHIBIT 24 POWER OF ATTORNEY Each person whose signature appears below appoints Tony J. Sorcic and Todd D. Fanning, as such person's true and lawful attorney to execute in the name of each such person, and to file, any amendments to this registration statement that such attorney may deem necessary or desirable to enable the Registrant to comply with the Securities Act of 1933, as amended, and any rules, regulations, and requirements of the Securities and Exchange Commission with respect thereto, in connection with the registration of the shares of Common Stock, which amendments may make such changes in such Registration Statement as the above-named attorney deems appropriate, and to comply with the undertakings of the Registrant made in connection with this Registration Statement; and each of the undersigned hereby ratifies all that said attorney will do or cause to be done by virtue hereof. IN WITNESS WHEREOF, each of the undersigned has executed this Power of Attorney and has been signed by the following persons on the date indicated opposite his/her name.
Signature Title Date --------- ----- ---- /s/ Tony J. Sorcic President, Chief Executive Officer August 20, 2007 --------------------- (Principal Executive Officer) Tony J. Sorcic and Director /s/ Craig O. Wesner Chairman of the Board August 20, 2007 --------------------- and Director Craig O. Wesner /s/ Daryl Becker Director August 20, 2007 --------------------- Daryl Becker /s/ Gary C. Bruce Director August 20, 2007 --------------------- Gary C. Bruce /s/ Sharon L. Covert Director August 20, 2007 --------------------- Sharon L. Covert /s/ John R. Ernst Director August 20, 2007 --------------------- John R. Ernat /s/ Donald E. Grubb Director August 20, 2007 --------------------- Donald E. Grubb /s/ Mark Janko Director August 20, 2007 --------------------- Mark Janko /s/ Willard O. Lee Director August 20, 2007 --------------------- Willard O. Lee
/s/ Thomas M. Longman Director August 20, 2007 --------------------- Thomas M. Longman /s/ Ervin I. Pietsch Director August 20, 2007 --------------------- Ervin I. Pietsch /s/ Stephen W. Samet Director August 20, 2007 --------------------- Stephen W. Samet