AMENDMENT TO EMPLOYMENT AGREEMENT

     THIS AMENDMENT TO EMPLOYMENT AGREEMENT  ("Amendment") is made as of the 9th
day of June,  1999 by and between ICG  Communications,  Inc.  ("Employer" or the
"Company") and John Kane ("Employee").

                                 R E C I T A L S

     WHEREAS,  the Company and  Employee  previously  entered  into that certain
Employment Agreement dated as of May 19, 1999 (the "Employment Agreement");

     WHEREAS, the parties desire to amend certain of the terms of the Employment
Agreement;

     NOW,  THEREFORE,  in  consideration  of the mutual covenants and agreements
contained herein, the parties agree as follows:

     1. Section 3.1. The second sentence of Section 3.1 shall be amended to read
as follows:  "The  annual  base  salary will as of June 9, 1999 be Four  Hundred
Thousand Dollars ($400,000)."

     2. Section  3.2. The last  sentence of Section 3.2 shall be amended to read
as follows: "Employee's annual bonus is established at 60% of annual base salary
if all objectives and goals are met."

     IN WITNESS WHEREOF, the parties have executed this Amendment as of the date
first above written.

                                          /s/ John Kane
                                          ---------------------------
                                          John Kane


                                          ICG COMMUNICATIONS, INC.


                                          By:     /s/ Don Teague
                                                  ------------------------------

                                          Name:   Don Teague
                                                  ------------------------------

                                          Title:  Executive V.P.
                                                  ------------------------------