Certificate of Completion

Peel Region,

City of Mississauga,

City of Mississauga,

West Fibre Backbone Fibre Optic and Copper Cable Installation Contract 8B4-221-0186.

Date substantially performed:

2000-01-20

Date certificate signed:

2000-01-20

Name of Owner

Greater Toronto Airports Authority.

Address of Owner

Lester B. Pearson International Airport - PO Box 6031, Toron

Name of Contractor

Ca-Tech Systems Limited.

Address of Contractor

111 Granton Drive, Richmond Hill, ON L4B 1L5.

(1) City of Mississauga, Regional Municipality of Peel: PIN 13526-0011 (LT), PIN 13526-0001 (LT), PIN 13526-0002 (LT), PIN 13526-0003 (LT), PIN 13526-0004 (LT), PIN 13526-0005 (LT), PIN 13526-0006 (LT), PIN 13526-0007 (LT), PIN 13526-0008 (LT), PIN 13526-0009 (LT), PIN 13263-0118 (LT), PIN 13262-0014 (LT), PIN 13262-0042 (LT), PIN 13276-0120 (LT), PIN 13263-0105 (R), PIN 13281-0038 (R), PIN 13281-0030 (R), PIN 13281-0026 (R), PIN 13281-0040 (R), PIN 13281-0048 (R), PIN 13274-0051 (R), PIN 13273-0369 (R), PIN 13260-0094 (R), PIN 13262-0034 (R), PIN 13276-0119 (R), except Parts 12, 13, 14, 15 and 16, Plan 43R-17345 and Parts 3 and 4, Plan RD-291. (2) City of Toronto (formerly City of Etobicoke): PIN 07633-0001 (LT), PIN 07633-0002 (LT), and Lots 3 and 4, Plan 12114.