IXIA

CUSIP: 45071R109 Class: COM

VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.'s Holding History (CIK: 0001021642)

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

Q2 2014
Shares 2,361,150 Value ($000) $26,989 Avg Close — Range —
Q1 2014
Shares 1,760,550 Value ($000) $22,007 Avg Close — Range —
Q4 2013
Shares 1,469,975 Value ($000) $19,564 Avg Close — Range —