Certificate of Completion

Peel Region,

City of Mississauga,

City of Mississauga,

Supply of Ready Mix Concrete.

Date substantially performed:

2000-11-21

Date certificate signed:

2000-11-21

Name of Owner

Greater Toronto Airports Authority.

Address of Owner

Lester B. Pearson International Airport - P.O. Box 6031, 311

Name of Contractor

Dufferin Custom Concrete Group.

Address of Contractor

3300 Highway 7, Suite 600, Concord, Ont. L4K 4M3.

Name of Certifier

Acres-Parsons Brinckerhoff (Joint Venture).

Address of Certifier

4342 Queen Street, Niagara Falls, Ont. L2E 6W1.

(1)In the City of Mississauga, in the Regional Municipality of Peel, in the Province of Ontario, being composed of: 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), 13263-0105 (LT), PIN 13281-0038 (LT), PIN 13281-0030 (LT), PIN 13281-0026 (LT), PIN 13281-0026 (LT), PIN 13281-0040 (LT), PIN 13281-0048 (LT), PIN 13274-0051 (LT), PIN 13273-0369 (LT), PIN 13260-0094 (LT), PIN 13262-0034 (LT), PIN 13263-0118 (LT), PIN 13262-0014 (LT), PIN 13262-0042 (LT), 13276-0119 (LT), PIN 13276-0120 (LT). (2) In the City of Toronto (formerly City of Etobicoke, in the Municipality of Metropolitan Toronto), in the Province of Ontario, being composed of: PIN 07633-0001 (LT), PIN 07633-0002 (LT), and Lots 3 and 4, Plan No. 12114 (I).