All access to TransCanada Corporation (including subsidiaries and affiliates) corporate information system resources is restricted to authorized users. Users must uniquely identify themselves using their personal credentials, and will be held accountable for all activities under this identification. UNAUTHORIZED ACCESS OR MODIFICATION TO THIS SYSTEM IS PROHIBITED AND MAY BE A CRIMINAL OFFENSE. TRANSCANADA CORPORATION WILL REFER SUCH ACTIVITY TO LAW ENFORCEMENT AUTHORITIES AND OFFENDERS MAY BE SUBJECT TO CRIMINAL PROSECUTION AND/OR CIVIL ACTION.