IXIA

CUSIP: 45071RAB5 Class: CNV

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q1 2014
Shares 290,000 Value ($000) $306 Avg Close — Range —
Q4 2013
Shares 290,000 Value ($000) $312 Avg Close — Range —
Q3 2013
Shares 290,000 Value ($000) $330 Avg Close — Range —
Q2 2013
Shares 290,000 Value ($000) $348 Avg Close — Range —