The Top 25 Office Owners survey includes office space owned globally as of Dec. 31, 2009.

1. RREEF Americas
   Total Office Portfolio: 80.7 million sq. ft.
   Phone: 212-454-3900
   Website: www.rreef.com

2. The Blackstone Group
   Total Office Portfolio: 68 million sq. ft.
   Phone: (212) 583.5000
   Website: www.blackstone.com

3. Brookfield Properties Corp.
   Total Office Portfolio: 61.5 million sq. ft.
   Phone: (212) 417-7000
   Website: www.brookfieldproperties.com

4. Vornado Realty Trust
   Total Office Portfolio: 60 million sq. ft.
   Phone: (201) 5871000
   Website: www.vno.com

5. Hines
   Total Office Portfolio: 58.8 million sq. ft.
   Phone: (713) 621-8000
   Website: www.hines.com

6. CB Richard Ellis Investors
   Total Office Portfolio: 58.3 million sq. ft.
   Phone: (213) 683-4200
   Website: www.cbreinvestors.com

7. TIAA-CREF
   Total Office Portfolio: 46.4 million sq. ft.
   Phone: (800) 842-2733
   Website: www.tiaa-cref.org

8. LaSalle Investment Management
   Total Office Portfolio: 41.4 million sq. ft.
   Phone: (312) 782-5800
   Website: www.lasalle.com

9. Duke Realty Corp.
   Total Office Portfolio: 38.1 million sq. ft.
   Phone: (317) 808-6000
   www.dukerealty.com

10. Boston Properties
    Total Office Portfolio: 35.4 million sq. ft.
    Phone: (617) 236-3300
    Website: www.bostonproperties.com

11. HRPT Properties Trust
    Total Office Portfolio: 35.3 million sq. ft.
    Phone: (617) 796-8222
    Website: www.hrptreit.com

12. Mack-Cali Realty Corp.
    Total Office Portfolio: 32.8 million
    Phone: (732) 590-1000
    Website: www.mack-cali.com

13. SL Green Realty Corp.
    Total Office Portfolio: 30 million sq. ft.
    Phone (212) 594-2700
    Website: www.slgreen.com

14. Behringer Harvard
    Total Office Portfolio: 29.5 million sq. ft.
    Phone: (214) 655-1600
    Website: www.behringerharvard.com

15. Liberty Property Trust
    Total Office Portfolio: 26 million sq. ft.
    Phone: (610) 648-1700
    Website: www.libertyproperty.com

16. Brandywine Realty Trust
    Total Office Portfolio: 25.6 million sq. ft.
    Phone: (610) 325.5600
    Website: www.brandywinerealty.com

17. ING Clarion Partners
    Total Office Portfolio: 25.4 million sq. ft.
    Phone: (212) 883-2500
    Website: www.ingclarion.com

18. Shorenstein Properties LLC
    Total Office Portfolio: 24 million sq. ft.
    Phone: (415) 772-7000
    Website: www.shorenstein.com

19. Highwoods Properties
    Total Office Portfolio: 20.4 million sq. ft.
    Phone: (866-449-6637
    Website: www.highwoods.com

20. Corporate Office Properties Trust
    Total Office Portfolio: 20.2 million sq. ft.
    Phone: (443) 285-5400
    Website: www.copt.com

21. Wells REIT II
    Total Office Portfolio: 19.8 million sq. ft.
    Phone: (770) 449-7800
    Website: http://www.wellsreitii.com

22. The Inland Real Estate Group of Cos.
    Total Office Portfolio: 18.7 million sq. ft.
    Phone: (630) 218-8000
    Website: www.inlandgroup.com

23. KBS Realty Advisors
    Total Office Portfolio: 17.3 million sq. ft.
    Phone: (949) 417-6500
    Website: www.kbsrealty.com

24. MPG Office Trust
    Total Office Portfolio: 17 million sq. ft.
    Phone: (213) 626 3300
    Website: www.mpgofficetrust.com

25. AEW Capital Management LP
    Total Office Portfolio: 15.8 million sq. ft.
    Phone: (617) 261-9000
    Website: www.aew.com