Exhibit 3(a) [GRAPHIC MATERIAL OMITTED - MINNESOTA SECRETARY OF STATE STATE OF MINNESOTA THE GREAT DEPARTMENT OF STATE SEAL OF THE AMENDMENT TO CERTIFICATE OF ASSUMED NAME FILED STATE OF Minnesota Statutes Chapter 333 MAY 08 2001 MINNESOTA - 1858] /s/ Mary Kiffmeyer Secretary of State Read the directions on reverse side before completing. Filing Fee: $25.00 The filing of an assumed name does not provide a user with exclusive rights to that name. The filing is required for consumer protection in order to enable consumers to be able to identify the true owner of a business. PLEASE TYPE OR PRINT LEGIBLY IN BLACK INK FOR RECORDING PURPOSES. 1. State the exact assumed name under which the business is or will be conducted: one business name per application ALLETE (no name change.) - -------------------------------------------------------------------------------- 2. State the address of the principal place of business. 30 West Superior Street Duluth MN 55802 - -------------------------------------------------------------------------------- Street City State Zip code (A complete street address or rural route and rural route box number is required; the address cannot be a P.O. Box.) 3. List the name and complete street address of all persons conducting business under the above Assumed Name. Attach additional sheet(s) if necessary. If the business owner is a corporation or other business entity, list the legal name and registered office address. Name (please print) Street City State Zip ALLETE, Inc. 30 West Superior Street Duluth MN 55802 - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- 4. This certificate is an amendment of Certificate of Assumed name number 0240576 originally filed on August 8, 2000 under the name - --------------- -------------------------- - ------------------------------------------------------------ (List the previous name only if you are amending that name.) 5. I certify that I am authorized to sign this certificate and I further certify that I understand that by signing this certificate, I am subject to the penalties of perjury as set forth in Minnesota Statutes section 609.48 as if I had signed this certificate under oath. /s/ Philip R. Halverson ------------------------------------------------------------ Signature(ONLY one person listed in #3 is required to sign.) May 8, 2001 Philip R. Halverson, Vice President, Secretary and - ----------------- ------------------------------------------------------------ Date Print Name and Title General Counsel Ingrid Kane-Johnson (218) 720-2534 ------------------------------------------------------------ Contact Person Daytime Phone Number 05920882 Rev. 11/98