XOMA CORP DEL

CUSIP: 98419J107 Class: CMN

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

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

Q3 2015
Shares 117,100 Value ($000) $88 Avg Close — Range —
Q2 2015
Shares 265 Value ($000) $1 Avg Close — Range —
Q1 2015
Shares 265 Value ($000) $1 Avg Close — Range —
Q3 2014
Shares 500 Value ($000) $2 Avg Close — Range —
Q2 2014
Shares 500 Value ($000) $2 Avg Close — Range —
Q1 2014
Shares 2,500 Value ($000) $22 Avg Close — Range —
Q4 2013
Shares 2,500 Value ($000) $12 Avg Close — Range —
Q3 2013
Shares 2,500 Value ($000) $12 Avg Close — Range —