TOWN OF MARKHAM LETTERHEAD

January 19, 2005

Mr. John Glicksman

Executive Vice- President & Chief Financial Officer

PowerStream Inc.

2800 Rutherford Road,

City of Vaughan, ON L4K 2N9

Dear Mr. Glicksman:

RE: Amended and Restated Promissory Note dated June 1, 2004

Please be advised that it is not the intent of The Corporation of the Town of Markham to demand accelerated payment of the promissory note in accordance with section 3 of the “Amended and Restated Promissory Note” dated June 1, 2004 within a year of the date of this letter.

Yours truly,