Certificate of Completion

Ottawa-Carleton Region

1. Palladium 1, Phase 1 - Main Building Contract (P.O. No. CKM-161314) 2. Palladium 1, Phase 2 - Piling Contract (P.O. No. CKM-260324) 3. Palladium 1, Phase 1 - HSAT Wall Relocation and Nitrogen Tank Relocation (P.O. No CKM 282249) 4. Palladium 1, Phase 1 - HSAT Process Piping (P.O. No. CKM 282329) 5. Palladium 1, Phase 1 - OPTO Expansion (P.O. CKM 282334) 6. Palladium 1, Phase 1 - OPTO UPS (P.O. No. 282330) 7. Palladium 1, Phase 1 - OPTO Training Room 8. Palladium 1, Phase 1 - HBT Fit-Out

Date substantially performed:

2000-09-22

Date certificate signed:

2000-09-27

Name of Owner

Nortel Networks Corporation

Address of Owner

2 Constellation Crescent, Nepean, ON K2G 5J9

Name of Contractor

PCL Constructors Canada Inc.

Address of Contractor

57 Auriga Drive, Suite 100, Nepean, ON K2E 8B2

Name of Certifier

J.L. Richards & Associates Limited

Address of Certifier

864 Lady Ellen Place, Ottawa, ON K1Z 5M2

500 Palladium Drive, Kanata, ON (Part of Lot 1, Concession 1, Part 1, Plan 4R-13825)