Exhibit 24.2 Signatures Marshall & Ilsley Trust Company Pursuant to the requirements of the Securities Act of 1933, the trustees have caused this registration to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Milwaukee, State of Wisconsin, on this 27th date of March, 1998. MARATHON ELECTRIC HOURLY 401(k) SAVINGS PLAN By: WILLIAM P. GROW -------------------------------- William P. Grow, Vice President Marshall & Ilsley Trust Company Trustee