WILLIAMS CLAYTON ENERGY INC

CUSIP: 969490101 Class: CMN

TWO SIGMA ADVISERS, LP's Holding History (CIK: 0001478735)

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

Q4 2014
Shares 37,662 Value ($000) $2,403 Avg Close — Range —
Q3 2014
Shares 50,962 Value ($000) $4,915 Avg Close — Range —
Q2 2014
Shares 51,862 Value ($000) $7,124 Avg Close — Range —
Q1 2014
Shares 43,562 Value ($000) $4,924 Avg Close — Range —
Q4 2013
Shares 13,362 Value ($000) $1,095 Avg Close — Range —
Q3 2013
Shares 4,062 Value ($000) $212 Avg Close — Range —