Common use of of the Warrant Clause in Contracts

of the Warrant. All shares to be issued pursuant hereto shall be issued in the name of and the initial address of such person to be entered on the books of CTC Communications Group, Inc. shall be: The shares are to be issued in certificates of the following denominations: [Type Name of Holder] By: Title: Dated: EXHIBIT B FORM OF ASSIGNMENT (ENTIRE) [To be signed only upon transfer of entire Warrant] TO BE EXECUTED BY THE REGISTERED HOLDER TO TRANSFER THE ATTACHED WARRANT FOR VALUE RECEIVED ___________________________ hereby sells, assigns and transfers unto _______________________________ all rights of the undersigned under and pursuant to the attached Warrant, and the undersigned does hereby irrevocably constitute and appoint _____________________ Attorney to transfer said Warrant on the books of CTC Communications Group, Inc., with full power of substitution. [Type Name of Holder] By: Title: Dated:

of the Warrant. All shares to be issued pursuant hereto shall be issued in the name xxxxx of and the initial address of such person to be entered on the books of CTC Communications Group, Inc. the Company shall be: The shares are to be issued in certificates of the following denominations: ________________________ [Type Name of Holder] By: ______________________ Title: ___________________ Dated: EXHIBIT B ________________________ FORM OF ASSIGNMENT (ENTIRE) [To be signed only upon transfer of entire Warrant] TO BE EXECUTED BY THE REGISTERED HOLDER TO TRANSFER THE ATTACHED WITHIN WARRANT FOR VALUE RECEIVED ___________________________ hereby sells, assigns and transfers unto _______________________________ all rights of the undersigned under and pursuant to the attached within Warrant, and the undersigned does hereby irrevocably constitute and appoint _______________________________ Attorney to transfer the said Warrant on the books of CTC Communications Group, Inc.the Company, with full power of substitution. _____________________________ [Type Name of Holder] By: __________________________ Title: _______________________ Dated:: _____________________

of the Warrant. All shares to be issued pursuant hereto shall be issued in the name of and the initial address of such person to be entered on the books of CTC Communications Group, Inc. the Company shall be: The shares are to be issued in certificates of the following denominations: ___________________________ [Type Name of Holder] By: _______________________ Title: ____________________ Dated: EXHIBIT B _____________________ FORM OF ASSIGNMENT (ENTIRE) [To be signed only upon transfer of entire WarrantTO BE SIGNED ONLY UPON TRANSFER OF ENTIRE WARRANT] TO BE EXECUTED BY THE REGISTERED HOLDER TO TRANSFER THE ATTACHED WITHIN WARRANT FOR VALUE RECEIVED ___________________________ hereby sells, assigns and transfers unto _______________________________ all rights of the undersigned under and pursuant to the attached within Warrant, and the undersigned does hereby irrevocably constitute and appoint ___________________________ Attorney to transfer the said Warrant on the books of CTC Communications Group, Inc.the Company, with full power of substitution. [Type Name of Holder] By: _______________________ Title: ____________________ Dated:: ______________________