NATIONAL INSTRS CORP

CUSIP: 636518102 Class: Common Stock

Sterling Capital Management LLC's Holding History (CIK: 0001329883)

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

Q4 2014
Shares 31,540 Value ($000) $981 Avg Close — Range —
Q3 2014
Shares 29,292 Value ($000) $906 Avg Close — Range —
Q2 2014
Shares 11,427 Value ($000) $370 Avg Close — Range —