Monthly Communication Report

Corporation:	TransCanada PipeLines Limited
Associated registration:	777960-5537-7
Communication date:	2008-07-23
Posted date:	2008-08-15

Designated Public Office Holders who participated in the communication:	John Wright, Assistant Deputy Minister of Public Affairs Mackenzie Gas Project Office Footnote1 Randall Meades, Executive Director Mackenzie Gas Project Office Footnote1
Subject Matter of the communication:	Energy,  Infrastructure,  Natural Resources
Responsible Officer who filed this communication report:	Harold Kvisle
As the most senior paid officer, the person named above is responsible for certifying the communication report for the corporation or organization (Registrant). This person may or may not have participated in the reported communication. The Lobbyists Registration Regulations do not require that the names of in-house lobbyists (i.e. employees of corporations or organizations) who actually participated in the communication be disclosed.
Footnote1  Indicates new information that was added through a monthly communications return.