CATAMARAN CORP

CUSIP: 148887102 Class: COM

WATER ISLAND CAPITAL LLC's Holding History (CIK: 0001222765)

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

Q2 2015
Shares 2,286,642 Value ($000) $139,668,093 Avg Close — Range —
Q1 2015
Shares 960,463 Value ($000) $57,185,967 Avg Close — Range —