Markets Comparison

               
  Parkway Vacancy Rates
  VS. Our Markets VS. National Averages
  As of January 1, 2008
               
    Market Vacancy PKY Vacancy 
  Market Suburban CBD Overall Suburban CBD Overall
  Houston 11.6% 8.9% 10.9% 3.0%   3.0%
  Chicago 14.9% 11.3% 13.0% 14.7% 6.5% 7.2%
  Atlanta  18.4% 20.3% 19.1% 7.2%   7.2%
  Memphis (1) 13.6% 21.2% 15.3% 3.4% 13.6% 9.1%
  Jackson  16.7% 11.5% 14.7% 14.3% 8.1% 10.9%
  Columbia  14.9% 13.6% 14.3% 19.9% 8.3% 9.8%
  Orlando  8.9% 9.4% 8.9% 4.5% 3.1% 4.0%
  Richmond 7.8% 10.1% 8.4% 30.5%   30.5%
  Jacksonville  12.1% 16.0% 13.2% 1.6% 17.6% 11.6%
  Nashville 10.9% 11.4% 11.0%   14.2% 14.2%
  Phoenix 14.5% 11.9% 13.9% 3.9%   3.9%
  Hampton Roads  8.4% 5.5% 7.8% 9.2% 3.3% 7.2%
  Charlotte  12.2% 2.5% 9.5% 4.2%   4.2%
  Ft. Lauderdale  9.8% 16.2% 11.1% 13.7%   13.7%
  St. Petersburg 13.0% 13.8% 13.3%   0.0% 0.0%
  Totals  12.9% 11.9% 12.6% 7.4% 8.6% 8.0%
               
  National Average 14.2% 10.3% 12.8%  (averages from CBRE 4Q 2007)
               
  Market information as of 4th Quarter 2007 except as noted:      
               
  (1) 3rd Quarter 2007          
               
  Sources:  CB Richard Ellis, CoStar, Colliers Keenan, Advantis, REIS, Karnes