WILLIAMS CLAYTON ENERGY INC

CUSIP: 969490101 Class: CMN

LOOMIS SAYLES & CO L P's Holding History (CIK: 0000312348)

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

Q3 2015
Shares 1,127 Value ($000) $44 Avg Close — Range —
Q2 2015
Shares 110,081 Value ($000) $7,238 Avg Close — Range —
Q1 2015
Shares 84,379 Value ($000) $4,272 Avg Close — Range —
Q4 2014
Shares 235,460 Value ($000) $15,022 Avg Close — Range —
Q3 2014
Shares 237,696 Value ($000) $22,926 Avg Close — Range —
Q2 2014
Shares 157,709 Value ($000) $21,664 Avg Close — Range —
Q1 2014
Shares 200,475 Value ($000) $22,656 Avg Close — Range —
Q4 2013
Shares 269,752 Value ($000) $22,107 Avg Close — Range —
Q3 2013
Shares 226,224 Value ($000) $11,870 Avg Close — Range —
Q2 2013
Shares 183,214 Value ($000) $7,970 Avg Close — Range —