NATIONAL INSTRS CORP

CUSIP: 636518102 Class: Common Stock

EAGLE CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000945631)

Note: Option positions (PUT/CALL) are excluded.

Q3 2013
Shares 21,525 Value ($000) $666 Avg Close — Range —
Q2 2013
Shares 26,025 Value ($000) $727 Avg Close — Range —