WILLIAMS CLAYTON ENERGY INC

CUSIP: 969490101 Class: CMN

TEACHER RETIREMENT SYSTEM OF TEXAS's Holding History (CIK: 0000796848)

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

Q1 2016
Shares 734 Value ($000) $7 Avg Close — Range —
Q4 2015
Shares 550 Value ($000) $16 Avg Close — Range —
Q3 2015
Shares 750 Value ($000) $29 Avg Close — Range —
Q2 2015
Shares 236 Value ($000) $16 Avg Close — Range —
Q1 2015
Shares 184 Value ($000) $9 Avg Close — Range —
Q4 2014
Shares 176 Value ($000) $11 Avg Close — Range —
Q3 2014
Shares 221 Value ($000) $21 Avg Close — Range —
Q2 2014
Shares 224 Value ($000) $31 Avg Close — Range —
Q1 2014
Shares 224 Value ($000) $25 Avg Close — Range —
Q4 2013
Shares 227 Value ($000) $19 Avg Close — Range —
Q3 2013
Shares 764 Value ($000) $40 Avg Close — Range —
Q2 2013
Shares 415 Value ($000) $18 Avg Close — Range —