| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | TPG Capital, L.P. | 2,965,823 | 7.35 | $40,068,268 | 30-Sep-09 | | BROWN CAPITAL MANAGEMENT, INC. | 2,889,658 | 7.16 | $39,039,279 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 1,934,679 | 4.79 | $26,137,513 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 1,453,262 | 3.60 | $19,633,569 | 30-Sep-09 | | SCHRODER INVESTMENT MANAGEMENT GROUP | 1,375,100 | 3.41 | $18,577,601 | 30-Sep-09 | | Bank of New York Mellon Corporation | 1,296,398 | 3.21 | $17,514,336 | 30-Sep-09 | | Silver Lake Group, LLC | 1,147,486 | 2.84 | $15,502,535 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 909,812 | 2.25 | $12,291,560 | 30-Sep-09 | | Invesco Ltd. | 4,333,776 | 10.74 | $58,549,313 | 30-Sep-09 | | Allianz Global Investors of America L.P. | 780,400 | 1.93 | $10,543,204 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | BROWN CAPITAL MANAGEMENT SMALL COMPANY FUND | 699,180 | 1.73 | $6,558,308 | 30-Jun-09 | | ISHARES S&P SMALLCAP 600 INDEX FD | 440,651 | 1.09 | $5,415,600 | 31-Oct-09 | | Columbia Fds Ser Tr I-Columbia Small Cap Growth Fd | 365,824 | .91 | $4,192,343 | 31-Aug-09 | | ISHARES RUSSELL 2000 INDEX FD | 361,863 | .90 | $4,888,769 | 30-Sep-09 | | Wells Fargo Advantage Small Cap Opportunities Fd | 360,900 | .89 | $4,875,759 | 30-Sep-09 | | VANGUARD SMALL-CAP INDEX FUND | 341,798 | .85 | $3,206,065 | 30-Jun-09 | | DFA U.S. MICRO CAP SERIES | 320,068 | .79 | $2,877,411 | 30-Apr-09 | | COLLEGE RETIREMENT EQUITIES FUND-STOCK ACCOUNT | 223,726 | .55 | $2,098,549 | 30-Jun-09 | | VANGUARD SMALL-CAP GROWTH INDEX FUND | 217,062 | .54 | $2,036,041 | 30-Jun-09 | | Forum Funds, Inc-Golden Small Cap Core Fd | 214,755 | .53 | $2,901,340 | 30-Sep-09 |
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Value shown is computed using the security's price on the report date given.
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