XOMA CORP DEL

Ticker: XOMA CUSIP: 98419J206 Class: Common Stock

PRELUDE CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001387508)

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

Q3 2017

Shares 900 Value ($000) $18 Avg Close $11.17 Range $6.85 - $22.69

Q2 2017

Shares 4,900 Value ($000) $34 Avg Close $6.65 Range $5.86 - $8.13

Q4 2016

Shares 24,600 Value ($000) $104 Avg Close $6.20 Range $4.16 - $9.60

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2017	900	$18	$11.17	$6.85 - $22.69
Q2 2017	4,900	$34	$6.65	$5.86 - $8.13
Q4 2016	24,600	$104	$6.20	$4.16 - $9.60