WILLIAMS CLAYTON ENERGY INC

CUSIP: 969490101 Class: CMN

GREAT WEST LIFE ASSURANCE CO /CAN/'s Holding History (CIK: 0001046192)

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

Q1 2017
Shares 600 Value ($000) $79 Avg Close — Range —
Q4 2016
Shares 600 Value ($000) $72 Avg Close — Range —
Q1 2016
Shares 234 Value ($000) $2 Avg Close — Range —
Q4 2015
Shares 234 Value ($000) $7 Avg Close — Range —
Q3 2015
Shares 234 Value ($000) $9 Avg Close — Range —
Q2 2015
Shares 234 Value ($000) $15 Avg Close — Range —
Q1 2015
Shares 234 Value ($000) $12 Avg Close — Range —
Q4 2014
Shares 234 Value ($000) $15 Avg Close — Range —
Q3 2014
Shares 234 Value ($000) $23 Avg Close — Range —
Q2 2014
Shares 234 Value ($000) $32 Avg Close — Range —
Q1 2014
Shares 234 Value ($000) $26 Avg Close — Range —
Q4 2013
Shares 234 Value ($000) $19 Avg Close — Range —