WILLIAMS CLAYTON ENERGY INC

CUSIP: 969490101 Class: CMN

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q3 2014
Shares 10,400 Value ($000) $1,003 Avg Close — Range —
Q2 2014
Shares 13,700 Value ($000) $1,881 Avg Close — Range —
Q1 2014
Shares 13,700 Value ($000) $1,548 Avg Close — Range —
Q4 2013
Shares 4,800 Value ($000) $393 Avg Close — Range —