XOMA CORP DEL

CUSIP: 98419J107 Class: CMN

Artal Group S.A.'s Holding History (CIK: 0001053906)

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

Q2 2015
Shares 1,200,000 Value ($000) $4,656 Avg Close — Range —
Q1 2015
Shares 1,200,000 Value ($000) $4,368 Avg Close — Range —
Q4 2014
Shares 1,200,000 Value ($000) $4,308 Avg Close — Range —
Q3 2014
Shares 1,000,000 Value ($000) $4,210 Avg Close — Range —
Q2 2014
Shares 1,000,000 Value ($000) $4,590 Avg Close — Range —
Q1 2014
Shares 1,000,000 Value ($000) $5,210 Avg Close — Range —
Q4 2013
Shares 2,000,000 Value ($000) $13,460 Avg Close — Range —
Q3 2013
Shares 2,500,000 Value ($000) $11,225 Avg Close — Range —
Q2 2013
Shares 2,500,000 Value ($000) $9,075 Avg Close — Range —