QUIDEL CORP

CUSIP: 74838J101 Class: COMMON STOCK

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q1 2014
Shares 285,316 Value ($000) $7,789 Avg Close — Range —
Q4 2013
Shares 621,676 Value ($000) $19,204 Avg Close — Range —
Q3 2013
Shares 653,246 Value ($000) $18,552 Avg Close — Range —
Q2 2013
Shares 829,636 Value ($000) $21,181 Avg Close — Range —