March 15, 2005 Credit Suisse First Boston LLC UBS Securities LLC c/o Credit Suisse First Boston LLC Eleven Madison Avenue New York, New York 10010-3629 Dear Sirs: SEMCO Energy, Inc., a Michigan corporation (the "COMPANY"), proposes to issue and sell...Registration Rights Agreement • March 17th, 2005 • Semco Energy Inc • Natural gas distribution • New York
