Certificate of Completion

Ottawa-Carleton Region

505 March Rd., 4th Flr., Ottawa, Ontario

505 March Rd., 4th Flr., Ottawa, Ontario

Mentor Graphics Tenant Fit-Up

Date substantially performed:

2006-05-31

Date certificate signed:

2006-05-31

Name of Owner

Mentor Graphics Corporation

Address of Owner

505 March Rd., Ottawa, ON

Name of Contractor

SiteCast Construction Corp.

Address of Contractor

14 Colonnade Road, Ste. 280, Ottawa, ON K2E 7M6

Name of Certifier

SiteCast Construction Corp./Mentor Graphics Corporation

Address of Certifier

14 Colonnade Road, Ste. 280, Ottawa, ON K2E 7M6/15 Independe

Part of Lot 8, Concession 3, City of Kanata, being Part 5, Plan 4R-3699, save and except (a) Part 21, Plan 4R-11340 and (b) Part 6, Plan 4R-12588