WALTER ENERGY INC

CUSIP: 93317Q105 Class: COM

Portolan Capital Management, LLC's Holding History (CIK: 0001350290)

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

Q4 2013
Shares 436,325 Value ($000) $7,256 Avg Close — Range —
Q3 2013
Shares 225,348 Value ($000) $3,162 Avg Close — Range —