WILLIAMS CLAYTON ENERGY INC

CUSIP: 969490101 Class: CMN

Sterling Capital Management LLC's Holding History (CIK: 0001329883)

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

Q3 2014
Shares 10,146 Value ($000) $979 Avg Close — Range —
Q2 2014
Shares 9,827 Value ($000) $1,350 Avg Close — Range —
Q1 2014
Shares 9,600 Value ($000) $1,085 Avg Close — Range —