EX-24.1 4 d16210exv24w1.txt POWER OF ATTORNEY Exhibit 24.1 POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Tom W. Ward and Carroll A. Wallace , and each of them, as his true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for him and in his name, place, and stead, in any and all capacities, to sign any and all amendments to this registration statement, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done in connection therewith, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, or their or his substitute or substitutes, may lawfully do or cause to be done by virtue hereof. Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, this registration statement has been signed by the following persons in the capacities and on the dates indicated. /s/ Tom W. Ward President and Chief Executive June 16, 2004 -------------------------------------------- Officer (Principal Executive Officer) ------------------------------ Tom W. Ward /s/ Juan A. Rodriguez Chairman of the Board, Chief June 16, 2004 -------------------------------------------- Technologist ------------------------------ Juan A. Rodriguez /s/ Carroll A. Wallace Chief Financial Officer, June 16, 2004 -------------------------------------------- Treasurer (Principal Financial and ------------------------------ Carroll A. Wallace Accounting Officer) /s/ Leonard W. Busse Director June 16, 2004 -------------------------------------------- ------------------------------ Leonard W. Busse /s/ John Garrett Director June 16, 2004 -------------------------------------------- ------------------------------ John Garrett /s/ A. Laurence Jones Director June 16, 2004 -------------------------------------------- ------------------------------ A. Laurence Jones /s/ Thomas E. Pardun Director June 16, 2004 -------------------------------------------- ------------------------------ Thomas E. Pardun /s/ Stephanie L. Smeltzer Director June 16, 2004 -------------------------------------------- ------------------------------ Stephanie L. Smeltzer /s/ G. Jackson Tankersley, Jr. Director June 16, 2004 -------------------------------------------- ------------------------------ G. Jackson Tankersley, Jr.