WILLIAMS CLAYTON ENERGY INC

CUSIP: 969490101 Class: CMN

Invesco Ltd.'s Holding History (CIK: 0000914208)

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

Q1 2017
Shares 141,304 Value ($000) $18,663 Avg Close — Range —
Q4 2016
Shares 167,261 Value ($000) $19,948 Avg Close — Range —
Q3 2016
Shares 95,679 Value ($000) $8,175 Avg Close — Range —
Q2 2016
Shares 49,027 Value ($000) $1,346 Avg Close — Range —
Q1 2016
Shares 62,445 Value ($000) $557 Avg Close — Range —
Q4 2015
Shares 87,318 Value ($000) $2,582 Avg Close — Range —
Q3 2015
Shares 86,717 Value ($000) $3,366 Avg Close — Range —
Q2 2015
Shares 53,636 Value ($000) $3,527 Avg Close — Range —
Q1 2015
Shares 116,979 Value ($000) $5,923 Avg Close — Range —
Q4 2014
Shares 84,960 Value ($000) $5,421 Avg Close — Range —
Q3 2014
Shares 28,852 Value ($000) $2,783 Avg Close — Range —
Q2 2014
Shares 71,956 Value ($000) $9,885 Avg Close — Range —
Q1 2014
Shares 38,571 Value ($000) $4,359 Avg Close — Range —
Q4 2013
Shares 8,977 Value ($000) $736 Avg Close — Range —
Q3 2013
Shares 8,299 Value ($000) $435 Avg Close — Range —
Q2 2013
Shares 7,185 Value ($000) $313 Avg Close — Range —