WHITING PETE CORP NEW

CUSIP: 966387102 Class: COM

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q3 2014
Shares 13,864 Value ($000) $1,075 Avg Close — Range —
Q2 2014
Shares 32,354 Value ($000) $2,596 Avg Close — Range —
Q1 2014
Shares 31,568 Value ($000) $2,191 Avg Close — Range —
Q4 2013
Shares 31,074 Value ($000) $1,923 Avg Close — Range —