Top Institutional Shareholders
  of Top 8 IT Services Cos.    
  as of 30-Sep-06 Perot Systems
  Institution Name $ Value Change
      (Mill)  
         
  Market Cap (12/08/06) $1,950 3%
  Market Cap (12/06/04) $1,900  
  Institutional Ownership % 59% 7%
  Insider Ownership % 28% ( 46% in '04)
      # Shares 12/31/04-
      (Mill) -12/08/06
1 Royce & Associates 12.70 18.5%
2 Barclays   3.81 -0.3%
3 Axa Rosenberg 3.33 100.0%
4 Kaplan (JL) Associates Lfc 2.95 -47.9%
5 Westport Asset Mgmt 2.49 18.6%
6 Schroder Investments 2.42 -55.3%
7 Vanguard Group 2.40 8.1%
8 Buckhead Capital 2.12 100.0%
9 Rothschild Asset Mgmt 2.03 3.6%
10 American Century 1.72 37.6%
11 Lazard Asset Mgmt 1.67 100.0%
12 Evergreen Investments 1.62 19.1%
13 State Street   1.36 0.7%
14 Clearbridge Advisors 1.15 -64.8%
15 Boston Partners 1.14 -16.8%
16 Amvescap Plc N/A -100.0%
17 Charles Schwab N/A -100.0%
18 National Life N/A -100.0%
19 Wellington   N/A -100.0%

Source: Annex Research

Ownership Information Perot Systems
Shares outstanding 59.3
Total Positions 71.21M
New Positions 5.62M
Soldout Positions -5.28M
Net Position Change 340.12K
Buyers 76
Sellers 71