WILLIAMS CLAYTON ENERGY INC

CUSIP: 969490101 Class: CMN

Nationwide Fund Advisors's Holding History (CIK: 0001097218)

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

Q1 2017
Shares 13,257 Value ($000) $1,751 Avg Close — Range —
Q4 2016
Shares 13,513 Value ($000) $1,612 Avg Close — Range —
Q3 2016
Shares 6,750 Value ($000) $577 Avg Close — Range —
Q2 2016
Shares 6,750 Value ($000) $185 Avg Close — Range —
Q1 2016
Shares 6,750 Value ($000) $60 Avg Close — Range —
Q4 2015
Shares 6,750 Value ($000) $200 Avg Close — Range —
Q3 2015
Shares 6,631 Value ($000) $257 Avg Close — Range —
Q2 2015
Shares 6,631 Value ($000) $436 Avg Close — Range —
Q1 2015
Shares 7,138 Value ($000) $361 Avg Close — Range —
Q4 2014
Shares 7,272 Value ($000) $464 Avg Close — Range —
Q3 2014
Shares 9,084 Value ($000) $876 Avg Close — Range —
Q2 2014
Shares 9,124 Value ($000) $1,253 Avg Close — Range —
Q1 2014
Shares 11,793 Value ($000) $1,333 Avg Close — Range —
Q4 2013
Shares 11,786 Value ($000) $966 Avg Close — Range —
Q3 2013
Shares 7,676 Value ($000) $403 Avg Close — Range —
Q2 2013
Shares 5,761 Value ($000) $251 Avg Close — Range —