EX-99 4 0004.txt EXHIBIT 23(B) EXHIBIT 23(B) MINNESOTA POWER, INC. 30 West Superior Street Duluth, Minnesota 55802 Philip R. Halverson - Vice President, General Counsel and Secretary August 16, 2000 Minnesota Power, Inc. 30 West Superior Street Duluth, Minnesota 55802 Ladies and Gentlemen: I hereby consent to the use of my name in Post-Effective Amendment No. 1 to the Registration Statement No. 333-02109 to be filed on or about the date hereof with the Securities and Exchange Commission by Minnesota Power, Inc. Very truly yours, /s/ Philip R. Halverson Philip R. Halverson