WALTER ENERGY INC

CUSIP: 93317Q105 Class: COM

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q3 2014
Shares 25,500 Value ($000) $60 Avg Close — Range —
Q2 2014
Shares 25,500 Value ($000) $139 Avg Close — Range —
Q1 2014
Shares 40,800 Value ($000) $308 Avg Close — Range —