The Top 25 Office Developers survey is based on data provided by participating companies. Developers were asked to record their volume of global activity for the 2006 calendar year. Results include completed development and new construction as of Dec. 31, 2006. There were several ties in this survey, but the top 25 companies are listed.

1. Hines

Total Office Space Developed or Under Construction: 12.7 million sq. ft.
2800 Post Oak Blvd.
Houston, TX 77056
Phone: (713) 621-8000
Website: www.hines.com
Officers: Gerald D. Hines, Chairman; Jeffrey C. Hines, President; C. Hastings Johnson, EVP/CFO

2. Opus Group

Total Office Space Developed or Under Construction: 7.8 million sq. ft.
10350 Bren Road West
Minnetonka, MN 55343
Phone: (952) 656-4444
Website: www.opuscorp.com
Officers: Mark Rauenhorst, President/CEO; Steve Polacek, Chief Administration Officer/CFO; Andy Deckas, SVP/Chief Investment Officer

3. Duke Realty Corp.

Total Office Space Developed or Under Construction: 5.3 million sq. ft.
600 E. 96th St., Suite 100
Indianapolis, IN 46240
Phone: (317) 808-6000
Email: webmaster@dukerealty.com
Website: www.dukerealty.com
Officers: Dennis D. Oklak, Chairman/CEO; Robert M. Chapman, Sr. EVP/Head of Real Estate Operations; Matthew A. Cohoat, EVP/CFO

4. Trammell Crow Co.

Total Office Space Developed or Under Construction: 4.6 million sq. ft.
2001 Ross Ave., 34th Floor
Dallas, TX 75201
Phone: (214) 863-3300
Website: www.trammellcrow.com
Officers: Bob Sulentic, CEO; Jim Groch, Chief Investment Officer; Chris Kirk, COO

5. The Alter Group

Total Office Space Developed or Under Construction: 4.3 million sq. ft.
5500 W. Howard St.
Skokie, IL 60077
Phone: (847) 676-4300
Email: tsilva@altergroup.com
Website: www.altergroup.com
Officers: Michael J. Alter, President; Richard M. Gatto, EVP; Randolph F. Thomas, EVP

6. Liberty Property Trust

Total Office Space Developed or Under Construction: 3.3 million sq. ft.
500 Chesterfield Pkwy.
Malvern, PA 19355
Phone: (610) 648-1700
Email: info@libertyproperty.com
Website: www.libertyproperty.com
Officers: William P. Hankowsky, CEO; George J. Alburger, CFO; Robert E. Fenza, COO

7. Brookfield Properties Corp.

Total Office Space Developed or Under Construction: 2.8 million sq. ft.
200 Vesey St.
New York, NY 10281
Phone: (212) 417-7000
Website: www.brookfieldproperties.com
Officers: Ric Clark, President/CEO; Bryan Davis, CFO; Dennis Friedrich, President/COO, U.S. Commercial Operations

8. ING Clarion

Total Office Space Developed or Under Construction: 2.5 million sq. ft.
230 Park Ave., 12th Floor
New York, NY 10169
Phone: (212) 883-2500
Fax: (212) 833-2700
Email: clientservices@ingclarion.com
Website: www.ingclarion.com
Officers: Stephen J. Furnary, Chairman/CEO; Jeffrey A. Barclay, Managing Director/Head of Acquisitions; C. Stephen Cordes, Managing Director/Head of Portfolio Management

9. Panattoni Development Co. LLC

Total Office Space Developed or Under Construction: 2.45 million sq. ft.
8775 Folsom Blvd., Suite 200
Sacramento, CA 95826
Phone: (916) 381-1561
Website: www.panattoni.com
Officers: Carl Panattoni, Chairman; Dudley Mitchell, CEO; Greg Thurman, President

10. Koll Development Co.

Total Office Space Developed or Under Construction: 2.1 million sq. ft.
8115 Preston Rd., #700
Dallas, TX 75225
Phone: (214) 696-1700
Email: tfrazier@kolldevelopment.com
Website: www.kolldevelopment.com
Officers: Steve Van Amburgh, CEO; Tobin Grove, President; Murray Newton, EVP

11. EastGroup Properties

Total Office Space Developed or Under Construction: 2.06 million sq. ft.
188 E. Capitol St., Suite 300
Jackson, MS 39201
Phone: (601) 354-3555
Website: www.eastgroup.net
Officers: David H. Hoster II, President/CEO; N. Keith McKey, EVP/CFO/Secretary/Treasurer; Bruce Corkern, SVP/Chief Accounting Officer/Controller

12. Lincoln Property Co.

Total Office Space Developed or Under Construction: 2 million sq. ft.
500 N. Akard, Suite 3300
Dallas, TX 75201
Phone: (214) 740-3300
Email: leverett@lpc.com
Website: www.lincolnproperty.com
Officers: Mack Pogue, Chairman; Tim Byrne, CEO/President, Residential Division; Bill Duvall, CEO/President, Commercial Division

13. Highwoods Properties

Total Office Space Developed or Under Construction: 1.99 million sq. ft.
3100 Smoketree Court, Suite 600
Raleigh, NC 27604
Phone: (919) 872-4924
Email: HIW-IR@highwoods.com
Website: www.highwoods.com
Officers: Edward J. Fritsch, President/CEO; Michael E. Harris, EVP/COO; Terry L. Stevens, VP/CFO

14. Lauth

Total Office Space Developed or Under Construction: 1.72 million sq. ft.
401 Pennsylvania Pkwy.
Indianapolis, IN 46280
Phone: (317) 848-6500
Email: info@lauth.net
Website: www.lauth.net
Officers: Robert L. Lauth, Chairman; Gregory C. Gurnik, CEO; Michael S. Curless, President

15. TIAA-CREF

Total Office Space Developed or Under Construction: 1.7 million sq. ft.
730 Third Ave.
New York, NY 10017
Phone: (800) 842-2733
Website: www.tiaa-cref.org
Officers: Thomas Garbutt, Managing Director, Global Real Estate; Phillip McAndrews, Managing Director, Real Estate Portfolio Management; Margaret Brandwein, Managing Director, Real Estate Portfolio Management

16. Franklin Street Properties

Total Office Space Developed or Under Construction: 1.55 million sq. ft.
401 Edgewater Place, Suite 200
Wakefield, MA 01880
Phone: (781) 557-1300
Website: www.franklinstreetproperties.com
Officers: George Carter, CEO; Barbara Fournier, COO; John Demeritt, CFO

17. Brandywine Realty Trust

Total Office Space Developed or Under Construction: 1.4 million sq. ft.
555 E. Lancaster Ave., Suite 100
Radnor, PA 19087
Phone: (866) 426-5400
Email: amy.biemiller@bdnreit.com
Website: www.brandywinerealty.com
Officers: Jerry H. Sweeney, President/CEO; Brad A. Molotsky, SVP/General Counsel/Secretary; George D. Sowa, EVP/Sr. Managing Director

17. Golub & Co.

Total Office Space Developed or Under Construction: 1.4 million sq. ft.
625 N. Michigan Ave.
Chicago, IL 60611
Phone: (312) 440-8800
Email: mnewman@goco.com
Website: www.golubandcompany.com
Officers: Michael Newman, President/CEO; Lee Golub, EVP; Michael Goldman, SVP, Acquisitions & Finance

17. Forest City

Total Office Space Developed or Under Construction: 1.4 million sq. ft.
Terminal Tower, 50 Public Square, Suite 1100
Cleveland, OH 44113
Phone: (216) 621-6060
Website: www.forestcity.net
Officers: Charles Ratner, President/CEO; Samuel H. Miller, Co-Chairman of the Board/Treasurer; Albert B. Ratner, Co-Chairman of the Board

18. Binswanger

Total Office Space Developed or Under Construction: 1.3 million sq. ft.
2 Logan Square
Philadelphia, PA 19103
Phone: (215) 448-6000
Website: www.binswanger.com
Officers: Frank G. Binswanger, Jr., Chairman; John K. Binswanger, Chairman; David R. Binswanger, President/CEO

18. USAA Real Estate Co.

Total Office Space Developed or Under Construction: 1.3 million sq. ft.
9830 Colonnade Blvd., Suite 600
San Antonio, TX 78230
Phone: (800) 531-8182
Email: pat.duncan@usaa.com
Website: www.usaarealco.com
Officers: T. Patrick Duncan, President/CEO; Susan Wallace, Sr. Managing Director, Private Equity Group; James E. Loyd, Sr. Managing Director, Real Estate Investments

18. Kilroy Realty Corp.

Total Office Space Developed or Under Construction: 1.3 million sq. ft.
12200 W. Olympic Blvd., #200
Los Angeles, CA 90064
Phone: (310) 481-8400
Website: www.kilroyrealty.com
Officers: John B. Kilroy Jr., President/CEO; Jeffrey C. Hawken, EVP/COO; Richard E. Moran Jr., EVP/CFO

19. Hillwood

Total Office Space Developed or Under Construction: 1.1 million sq. ft.
5430 LBJ Freeway, Eighth Floor
Dallas, TX 75240
Phone: (972) 201-2800
Email: dave.pelletier@hillwood.com
Website: www.hillwood.com
Officers: Ross Perot Jr., Chairman; Mike Berry, President, Hillwood Properties; Todd Platt, CEO, Hillwood Investments

19. Cousins Properties

Total Office Space Developed or Under Construction: 1.1 million sq. ft.
191 Peachtree St., Suite 3600
Atlanta, GA 30303
Phone: (404) 407-1000
Website: www.cousinsproperties.com
Officers: Thomas D. Bell, Jr., Chairman/CEO; Daniel M. DuPree, President/COO; James A. Fleming, EVP/CFO

20. Workstage

Total Office Space Developed or Under Construction: 1 million sq. ft.
4700 60th St. SE
Grand Rapids, MI 49512
Phone: (888) 409-6713
Email: info@workstage.com
Website: www.workstage.com
Officers: Jack Cottrell, President/CEO; Donald Slaght, EVP; Kent Riddle, EVP

21. RREEF

Total Office Space Developed or Under Construction: 1 million sq. ft.
280 Park Ave., 23W
New York, NY 10017
Phone: (212) 454-3900
Fax: (212) 454-6606
Website: www.rreef.com
Officers: Timothy K. Gonzalez, CEO, RREEF North America; Brian E. McAuliffe, Managing Director, Acquisitions; Peter F. Feinberg, Managing Director, Portfolio Management

21. Transwestern

Total Office Space Developed or Under Construction: 1 million sq. ft.
1900 W. Loop South, Suite 1300
Houston, TX 77027
Phone: (713) 270-7700
Fax: (713) 270-6285
Website: www.transwestern.net
Officers: Robert Duncan, Chairman; Larry P. Heard, President/CEO; Mark Doran, COO

22. Carter

Total Office Space Developed or Under Construction: 902,000 sq. ft.
171 17th St. NW, Suite 1200
Atlanta, GA 30363
Phone: (404) 888-3000
Fax: (404) 888-3001
Website: www.carterusa.com
Officers: Bob Peterson, Chairman/CEO; Scott Taylor, President

23. Vornado Realty Trust

Total Office Space Developed or Under Construction: 900,000 sq. ft.
888 Seventh Ave.
New York, NY 10019
Phone: (212) 894-7000
Fax: (212) 894-7070
Email: information@vno.com
Website: www.vno.com
Officers: Steven Roth, Chairman and CEO; Michael Fascitelli, President and Trustee; Joseph Macnow, EVP of Finance & Administration and CFO

24. Corporate Office Properties Trust

Total Office Space Developed or Under Construction: 866,000 sq. ft.
6711 Columbia Gateway Dr., Suite 300
Columbia, MD 21046
Phone: (443) 285-5400
Fax: (443) 285-7650
Email: info@copt.com
Website: www.copt.com
Officers: Randall M. Griffin, President/CEO; Roger A. Waesche, Jr., EVP/COO; Stephen E. Riffee, EVP/CFO

25. Prometheus Real Estate Group Inc.

Total Office Space Developed or Under Construction: 740,000 sq. ft.
1900 S. Norfolk St., Suite 150
San Mateo, CA 94403
Phone: (650) 931-3400
Fax: (650) 931-3600
Email: info@prometheusreg.com
Website: www.prometheusreg.com
Officers: Jackie Safier, Executive Vice President, Principal; William R. Leiva, Chief Financial Officer

26. Boston Properties

Total Office Space Developed or Under Construction: 700,000 sq. ft.
111 Huntington Ave.
Boston, MA 02199
Phone: (617) 236-3300
Fax: (617) 236-3311
Website: www.bostonproperties.com
Officers: Mortimer Zuckerman, Chairman of the Board; Edward Linde, CEO; Douglas Linde, President