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ALLSTATE INSURANCE CO
> NATI
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 12/31/2010 | NATIONAL INSTRUMENTS CORP | NATI | 5,700 | -13,220 | 215,000 | -416,000 | $37.72 |
| 03/31/2010 | NATIONAL INSTRUMENTS CORP | NATI | 18,920 | 0 | 631,000 | 74,000 | $33.35 |
| 12/31/2009 | NATIONAL INSTRUMENTS CORP | NATI | 18,920 | 3,983 | 557,000 | 59,000 | $29.44 |
| 12/31/2007 | NATIONAL INSTRUMENTS CORP | NATI | 14,937 | 0 | 498,000 | -15,000 | $33.34 |
| 09/30/2007 | NATIONAL INSTRUMENTS CORP | NATI | 14,937 | -1,900 | 513,000 | -35,000 | $34.34 |
| 06/30/2007 | NATIONAL INSTRUMENTS CORP | NATI | 16,837 | 16,837 | 548,000 | 548,000 | $32.55 |
| 03/31/2007 | NATIONAL INSTRUMENTS CORP | NATI | 15,050 | -2,500 | 395,000 | -83,000 | $26.25 |
| 12/31/2006 | NATIONAL INSTRUMENTS CORP | NATI | 17,550 | -800 | 478,000 | -24,000 | $27.24 |
| 09/30/2006 | NATIONAL INSTRUMENTS CORP | NATI | 18,350 | 300 | 502,000 | 7,000 | $27.36 |
| 06/30/2006 | NATIONAL INSTRUMENTS CORP | NATI | 18,050 | -400 | 495,000 | -107,000 | $27.42 |
| 03/31/2006 | NATIONAL INSTRUMENTS CORP | NATI | 18,450 | 1,100 | 602,000 | 46,000 | $32.63 |
| 12/31/2005 | NATIONAL INSTRUMENTS CORP | NATI | 17,350 | -2,200 | 556,000 | 74,000 | $32.05 |
| 09/30/2005 | NATIONAL INSTRUMENTS CORP | NATI | 19,550 | 600 | 482,000 | 80,000 | $24.65 |
| 06/30/2005 | NATIONAL INSTRUMENTS CORP | NATI | 18,950 | -600 | 402,000 | -127,000 | $21.21 |
| 03/31/2005 | NATIONAL INSTRUMENTS CORP | NATI | 19,550 | -3,100 | 529,000 | -88,000 | $27.06 |
| 12/31/2004 | NATIONAL INSTRUMENTS CORP | NATI | 22,650 | 700 | 617,000 | -47,000 | $27.24 |
| 09/30/2004 | NATIONAL INSTRUMENTS CORP | NATI | 21,950 | 0 | 664,000 | -9,000 | $30.25 |
| 06/30/2004 | NATIONAL INSTRUMENTS CORP | NATI | 21,950 | 1,100 | 673,000 | 17,000 | $30.66 |
| 03/31/2004 | NATIONAL INSTRUMENTS CORP | NATI | 20,850 | 6,950 | 656,000 | 24,000 | $31.46 |
| 12/31/2003 | NATIONAL INSTRUMENTS CORP | NATI | 13,900 | 0 | 632,000 | 73,000 | $45.47 |
| 09/30/2003 | NATIONAL INSTRUMENTS CORP | NATI | 13,900 | 3,600 | 559,000 | 170,000 | $40.22 |
| 06/30/2003 | NATIONAL INSTRUMENTS CORP | NATI | 10,300 | 0 | 389,000 | 26,000 | $37.77 |
| 03/31/2003 | NATIONAL INSTRUMENTS CORP | NATI | 10,300 | 0 | 363,000 | 28,000 | $35.24 |
| 12/31/2002 | NATIONAL INSTRUMENTS CORP | NATI | 10,300 | 0 | 335,000 | 110,000 | $32.52 |
| 09/30/2002 | NATIONAL INSTRUMENTS CORP | NATI | 10,300 | -2,600 | 225,000 | -195,024 | $21.84 |
| 06/30/2002 | NATIONAL INSTRUMENTS CORP | NATI | 12,900 | -4,000 | 420,024 | -286,734 | $32.56 |
| 03/31/2002 | NATIONAL INSTRUMENTS CORP | NATI | 16,900 | -1,900 | 706,758 | 2,510 | $41.82 |
| 12/31/2001 | NATIONAL INSTRUMENTS CORP | NATI | 18,800 | 0 | 704,248 | 212,252 | $37.46 |
| 11/09/2001 | NATIONAL INSTRUMENTS CORP | NATI | 18,800 | 0 | 491,996 | -118,064 | $26.17 |
| 06/30/2001 | NATIONAL INSTRUMENTS CORP | NATI | 18,800 | 0 | 610,060 | -3,290 | $32.45 |
| 03/31/2001 | NATIONAL INSTRUMENTS CORP | NATI | 18,800 | 0 | 613,350 | -299,625 | $32.63 |
| 12/31/2000 | NATIONAL INSTRUMENTS CORP | NATI | 18,800 | 10,200 | 912,975 | 533,500 | $48.56 |
| 09/30/2000 | NATIONAL INSTRUMENTS CORP | NATI | 8,600 | 8,600 | 379,475 | 379,475 | $44.13 |
| 06/30/2000 | NATIONAL INSTRUMENTS CORP | NATI | 0 | -8,600 | 0 | -403,663 | |
| 03/31/2000 | NATIONAL INSTRUMENTS CORP | NATI | 8,600 | -6,400 | 403,663 | -170,087 | $46.94 |
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