IXIA

CUSIP: 45071RAB5 Class: CNV

ADVENT CAPITAL MANAGEMENT /DE/'s Holding History (CIK: 0001097278)

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

Q1 2014
Shares 39,406,000 Value ($000) $41,591 Avg Close — Range —
Q4 2013
Shares 36,100,000 Value ($000) $39,153 Avg Close — Range —
Q3 2013
Shares 33,776,000 Value ($000) $38,662 Avg Close — Range —
Q2 2013
Shares 14,682,000 Value ($000) $17,658 Avg Close — Range —