Exhibit 24 POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints K. Bruce Lauritsen and R.J. Klosterman, and each of them, his/her true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for him/her and in his/her name, place and stead, in any and all capacities, to sign any and all amendments (including post-effective 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, as fully to all intents and purposes as he/she 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/her substitute or substitutes, may all fully do or cause to be done by virtue hereof. DATE SIGNATURE/TITLE Date: March 14, 2000 /s/ John R. Easter -------------- ------------------------------------------------------ John R. Easter CHAIRMAN, BOARD OF DIRECTORS AND DIRECTOR Date: March 14, 2000 /s/ K. Bruce Lauritsen -------------- ------------------------------------------------------ K. Bruce Lauritsen DIRECTOR, PRINCIPAL EXECUTIVE OFFICER AND PRESIDENT Date: March 14, 2000 /s/ Edward J. Monaghan -------------- ------------------------------------------------------ Edward J. Monaghan DIRECTOR Date: March 14, 2000 /s/ James R. Richardson -------------- ------------------------------------------------------ James R. Richardson DIRECTOR Date: March 14, 2000 /s/ R.J. Klosterman -------------- ------------------------------------------------------ R.J. Klosterman CHIEF FINANCIAL OFFICER AND PRINCIPAL FINANCIAL OFFICER AND PRINCIPAL ACCOUNTING OFFICER Date: March 14, 2000 /s/ Jeffrey T. Bertsch -------------- ------------------------------------------------------ Jeffrey T. Bertsch DIRECTOR Date: March 14, 2000 /s/ Patrick M. Crahan -------------- -------------------------------------------- Patrick M. Crahan DIRECTOR Date: March 14, 2000 /s/ L. Bruce Boylen -------------- ------------------------------------------------------ L. Bruce Boylen DIRECTOR Date: March 14, 2000 /s/ Thomas E. Holloran -------------- ------------------------------------------------------ Thomas E. Holloran DIRECTOR Date: March 14, 2000 /s/ Marvin M. Stern -------------- ------------------------------------------------------ Marvin M. Stern DIRECTOR Date: March 14, 2000 /s/ Lynn J. Davis -------------- ------------------------------------------------------ Lynn J. Davis DIRECTOR