X0202 3/A 2005-02-03 2005-02-03 0 0001117042 MPOWER HOLDING CORP MPE 0001298401 Claudy Peter H O 75 STATE STREET, SUITE 2500 BOSTON MA 02109 1 0 0 0 Common Stock 12728924 I See footnote Warrants to purchase Common Stock 1.383 2005-01-01 2009-12-31 Common Stock 2000000 I See footnotes (2) and 10,740,030 shares are owned by ICG Communications, Inc. and 1,988,894 shares are owned by MCCC ICG Holdings LLC Serves on the Board of Directors of ICG Communications, Inc. and serves on the Board of Managers of MCCC ICG Holdings LLC. The reporting person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein. Owned by ICG Communications, Inc. Robert B. Goldberg, under Power of Attorney 2005-03-10