WILLIAMS CLAYTON ENERGY INC

CUSIP: 969490101 Class: CMN

TWO SIGMA INVESTMENTS, LP's Holding History (CIK: 0001179392)

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

Q1 2017
Shares 13,355 Value ($000) $1,764 Avg Close — Range —
Q3 2016
Shares 6,094 Value ($000) $521 Avg Close — Range —
Q4 2014
Shares 4,858 Value ($000) $310 Avg Close — Range —
Q3 2014
Shares 33,464 Value ($000) $3,228 Avg Close — Range —
Q2 2014
Shares 51,863 Value ($000) $7,124 Avg Close — Range —
Q1 2014
Shares 45,892 Value ($000) $5,186 Avg Close — Range —
Q4 2013
Shares 32,973 Value ($000) $2,702 Avg Close — Range —
Q3 2013
Shares 8,460 Value ($000) $444 Avg Close — Range —