WAUSAU PAPER CORP

CUSIP: 943315101 Class: COM

ESSEX INVESTMENT MANAGEMENT CO LLC's Holding History (CIK: 0000201772)

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

Q2 2015
Shares 105,053 Value ($000) $964 Avg Close — Range —
Q1 2015
Shares 107,761 Value ($000) $1,027 Avg Close — Range —
Q4 2014
Shares 107,704 Value ($000) $1,225 Avg Close — Range —