1 EXHIBIT 24 WILLIAMS HOLDINGS OF DELAWARE, INC. POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS that each of the undersigned individuals, in their capacity as a director or officer, or both, as hereinafter set forth below their signature, of WILLIAMS HOLDINGS OF DELAWARE, INC., a Delaware corporation ("WHD"), does hereby constitute and appoint WILLIAM G. VON GLAHN, DAVID M. HIGBEE AND SHAWNA L. GEHRES their true and lawful attorneys and each of them (with full power to act without the others) their true and lawful attorneys for them and in their name and in their capacity as a director or officer, or both, of WHD, as hereinafter set forth below their signature, to sign WHD's Annual Report to the Securities and Exchange Commission on Form 10-K for the fiscal year ended December 31, 1997, and any and all amendments thereto or all instruments necessary or incidental in connection therewith; and THAT the undersigned WHD does hereby constitute and appoint WILLIAM G. VON GLAHN, DAVID M. HIGBEE, AND SHAWNA L. GEHRES its true and lawful attorneys and each of them (with full power to act without the others) its true and lawful attorney for it and in its name and on its behalf to sign said Form 10-K and any and all amendments thereto and any and all instruments necessary or incidental in connection therewith. Each of said attorneys shall have full power of substitution and resubstitution, and said attorneys or any of them or any substitute appointed by any of them hereunder shall have full power and authority to do and perform in the name and on behalf of each of the undersigned, in any and all capacities, every act whatsoever requisite or necessary to be done in the premises, as fully to all intents and purposes as each of the undersigned might or could do in person, the undersigned hereby ratifying and approving the acts of said attorneys or any of them or of any such substitute pursuant hereto. IN WITNESS WHEREOF, the undersigned have executed this instrument, all as of the 11th day of March, 1998. /s/ KEITH E. BAILEY /s/ JACK D. MCCARTHY - ------------------------------- ------------------------------- Keith E. Bailey Jack D. McCarthy Chairman of the Board, Senior Vice President President and and Director Chief Executive Officer (Principal Financial Officer) (Principal Executive Officer) /s/ GARY R. BELITZ ------------------------------- Gary R. Belitz Controller (Principal Accounting Officer) /s/ JOHN C. BUMGARNER, JR. /s/ STEPHEN L. CROPPER - ------------------------------- ------------------------------- John C. Bumgarner, Jr. Stephen L. Cropper Director Director /s/ HOWARD E. JANZEN ------------------------------- Howard E. Janzen Director WILLIAMS HOLDINGS OF DELAWARE, INC. ---------------------------------- By /s/ WILLIAM G. VON GLAHN William G. von Glahn ATTEST: Senior Vice President /s/ SHAWNA L. GEHRES - --------------------------------- Shawna L. Gehres Assistant Secretary 2 WILLIAMS HOLDINGS OF DELAWARE, INC. I, the undersigned, Shawna L. Gehres, Assistant Secretary of WILLIAMS HOLDINGS OF DELAWARE, INC., a Delaware corporation (hereinafter called the "Corporation"), do hereby certify that pursuant to Section 141(f) of the General Corporation Law of Delaware, the Board of Directors of this Corporation unanimously consented, as of March 11, 1998, to the following: RESOLVED that the Chairman of the Board, the President or any Vice President of the Corporation be, and each of them hereby is, authorized and empowered to execute a Power of Attorney for use in connection with the execution and filing, for and on behalf of the Corporation, under the Securities Exchange Act of 1934, of the Corporation's Annual Report on Form 10-K for the fiscal year ended December 31, 1997. I further certify that the foregoing resolution has not been modified, revoked or rescinded and is in full force and effect. IN WITNESS WHEREOF, I have hereunto set my hand and affixed the corporate seal of WILLIAMS HOLDINGS OF DELAWARE, INC., this 27th day of March, 1998. /s/ SHAWNA L. GEHRES ---------------------------- Shawna L. Gehres Assistant Secretary (CORPORATE SEAL)