WILLIAMS CLAYTON ENERGY INC

CUSIP: 969490101 Class: CMN

CoreCommodity Management, LLC's Holding History (CIK: 0001301743)

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

Q1 2017
Shares 759 Value ($000) $100 Avg Close — Range —
Q4 2016
Shares 32 Value ($000) $4 Avg Close — Range —