EXHIBIT G CONVERSION AND LOCK-UP LETTER AGREEMENT February 9, 2005 Cogent Communications Group, Inc. 1051 31st Street, N.W. Washington, DC 20007 Re: COGENT COMMUNICATIONS GROUP INC. Ladies and Gentlemen: THIS CONVERSION AND LOCK-UP LETTER AGREEMENT...Letter Agreement • April 14th, 2005 • BNP Europe Te Lecom & Media Fund Ii Lp • Services-prepackaged software
WITNESSETH:Stockholders Agreement • April 14th, 2005 • BNP Europe Te Lecom & Media Fund Ii Lp • Services-prepackaged software • New York
