WILLIAMS CLAYTON ENERGY INC

CUSIP: 969490101 Class: CMN

LOS ANGELES CAPITAL MANAGEMENT LLC's Holding History (CIK: 0001177206)

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

Q1 2014
Shares 5,320 Value ($000) $601 Avg Close — Range —
Q4 2013
Shares 5,320 Value ($000) $436 Avg Close — Range —
Q3 2013
Shares 5,320 Value ($000) $279 Avg Close — Range —