WALTER ENERGY INC

CUSIP: 93317Q105 Class: COM

NEEDHAM INVESTMENT MANAGEMENT LLC's Holding History (CIK: 0001167212)

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

Q1 2014
Shares 31,000 Value ($000) $234 Avg Close — Range —
Q4 2013
Shares 31,000 Value ($000) $516 Avg Close — Range —
Q3 2013
Shares 62,000 Value ($000) $870 Avg Close — Range —
Q2 2013
Shares 31,000 Value ($000) $322 Avg Close — Range —