| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Ameriprise Financial, Inc. | 4,694,570 | 5.20 | $47,884,614 | 30-Sep-09 | | ADVENT INTERNATIONAL CORPORATION | 29,512,336 | 32.67 | $301,025,827 | 30-Sep-09 | | TOCQUEVILLE ASSET MANAGEMENT, L.P. | 1,424,445 | 1.58 | $14,529,339 | 30-Sep-09 | | Eagle Boston Investment Management | 514,811 | .57 | $5,251,072 | 30-Sep-09 | | THOMSON HORSTMANN & BRYANT, INC. | 503,850 | .56 | $5,139,270 | 30-Sep-09 | | PARADIGM CAPITAL MANAGEMENT | 488,300 | .54 | $4,980,660 | 30-Sep-09 | | RGM Capital, LLC | 471,579 | .52 | $4,810,105 | 30-Sep-09 | | S SQUARED TECHNOLOGY CORP. | 432,300 | .48 | $4,409,460 | 30-Sep-09 | | MFC Global Investment Management (U.S.), LLC | 331,500 | .37 | $3,381,300 | 30-Sep-09 | | CONSTITUTION RESEARCH & MANAGEMENT INC | 96,840 | .11 | $987,768 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | WADDELL & REED ADVISORS FDS-SCIENCE & TECHNOLOGY FUND | 8,548,500 | 9.46 | $72,918,705 | 30-Jun-09 | | IVY SCIENCE & TECHNOLOGY FUND | 3,146,716 | 3.48 | $26,841,487 | 30-Jun-09 | | JP MORGAN SMALL CAP EQUITY FUND | 1,609,770 | 1.78 | $16,419,654 | 30-Sep-09 | | SELIGMAN COMMUNICATIONS AND INFORMATION FUND INC | 1,441,300 | 1.60 | $12,294,289 | 30-Jun-09 | | Ivy Fds VIP-Science & Technology Port | 1,163,900 | 1.29 | $9,928,067 | 30-Jun-09 | | AIM SMALL CAP GROWTH FUND | 839,660 | .93 | $8,564,532 | 30-Sep-09 | | ROYCE OPPORTUNITY FUND | 654,435 | .72 | $5,582,330 | 30-Jun-09 | | MET INVESTORS SER TR-MET/AIM SMALL CAP GROWTH PORTFOLIO | 615,741 | .68 | $5,252,270 | 30-Jun-09 | | Legg Mason Partners Small Cap Growth Fd | 556,790 | .62 | $5,679,258 | 30-Sep-09 | | WADDELL & REED ADVISORS FDS-CONTINENTAL INCOME FD | 375,000 | .42 | $3,198,750 | 30-Jun-09 |
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Value shown is computed using the security's price on the report date given.
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