Certificate of Completion

This is to certify that the contract for the following impro

To the above premises was substantially performed on: September 26, 2008

To the above premises was substantially performed on: September 26, 2008

Construction of St. Clair River Spur P099 Siding Extension, at Mile 59.2 Stathroy Subdivision Sarnia, Ontario - CN Specification No. 0431-796-09-1.1

Date substantially performed:

2008-09-26

Date certificate signed:

2008-10-09

Name of Owner

Canadian National Railway Company

Address of Owner

1 Administration Road, Concord, ON L4K 1B9

Name of Contractor

D&S Railway Construction Inc.

Address of Contractor

2194 East Avenue, Stevensville, ON L0S 1S0

Name of Certifier

Canadian National Railway Company

Address of Certifier

1 Administration Road, Concord, ON L4K 1B9

Canadian National Railway, 1 Administration Road, Concord, Ontario L4K 1B9 Attention