1 Aug 2011 NATI National Instruments Corp. John Graff

Vice President

Option 287 $21.96 $6,303

1 Aug 2011

78,783 ↗ 28 Feb 2007 NATI National Instruments Corp. John Graff

Vice President

Sale 10,000 $27.13 $271,300

28 Feb 2007

51,472 ↗ 1 Feb 2007 NATI National Instruments Corp. John Graff

Vice President

Option 10,311 $9.97 $102,801

1 Feb 2007

71,544 ↗ 1 Nov 2006 NATI National Instruments Corp. John Graff

Vice President

Option 5,000 $9.63 $48,150

1 Nov 2006

66,233 ↗ 26 Oct 2006 NATI National Instruments Corp. John Graff

Vice President

Option 10,000 $9.63 $96,300

26 Oct 2006

71,172 ↗ 1 Aug 2006 NATI National Instruments Corp. John Graff

Vice President

Option 5,653 $10.41 $58,848

1 Aug 2006

66,507 ↗ 3 Apr 2006 NATI National Instruments Corp. John Graff

Vice President

Option 525 $20.94 $10,994

3 Apr 2006

59,684 ↗ 28 Feb 2006 NATI National Instruments Corp. John Graff

Vice President

Option 5,000 $13.91 $69,550

28 Feb 2006

64,159 ↗ 3 Feb 2006 NATI National Instruments Corp. John Graff

Vice President

Option 16,112 $5.93 $95,544

3 Feb 2006

59,159 ↗ 3 Oct 2005 NATI National Instruments Corp. John Graff

Vice President

Option 354 $20.94 $7,413

3 Oct 2005

43,047 ↗ 29 Aug 2005 NATI National Instruments Corp. John Graff

Vice President

Option 10,000 $5.93 $59,300

29 Aug 2005

52,693 ↗ 1 Apr 2005 NATI National Instruments Corp. John Graff

Vice President

Option 510 $22.99 $11,725

1 Apr 2005

42,693 ↗ 28 Jan 2005 NATI National Instruments Corp. John Graff

Vice President

Option 10,000 $5.93 $59,300

28 Jan 2005

42,183 ↗ 1 Oct 2004 NATI National Instruments Corp. John Graff

Vice President

Option 321 $25.73 $8,259

1 Oct 2004

32,183 ↗ 1 Apr 2004 NATI National Instruments Corp. John Graff

Vice President

Option 628 $22.71 $14,262

1 Apr 2004

31,862 ↗ 4 Nov 2003 NATI National Instruments Corp. John Graff

Vice President

Sale 1,026 $44.91 $46,078

4 Nov 2003

20,823 ↗