| Date | Event |
| 19-Nov-09 | XOMA LTD /DE/ Files SEC form 8-K, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Tra |
| 18-Nov-09 | Coverage initiated on XOMA Limited by Canaccord Adams |
| 9-Nov-09 | XOMA LTD /DE/ Files SEC form 10-Q, Quarterly Report |
| 9-Nov-09 | Earnings announcement |
| 25-Sep-09 | XOMA LTD /DE/ Files SEC form 8-K, Entry into a Material Definitive Agreement |
| 21-Sep-09 | XOMA LTD /DE/ Files SEC form 8-K, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Tra |
| 14-Sep-09 | XOMA LTD /DE/ Files SEC form 8-K, Entry into a Material Definitive Agreement, Financial Statements and Exhibits |
| 6-Aug-09 | XOMA LTD /DE/ Files SEC form 10-Q, Quarterly Report |
| 10-Jun-09 | XOMA LTD /DE/ Files SEC form 8-K, Entry into a Material Definitive Agreement, Financial Statements and Exhibits |
| 8-Jun-09 | Price hit new 52-week high ($1.34) |
| 28-May-09 | XOMA LTD /DE/ Files SEC form 8-K/A, Financial Statements and Exhibits |
| 19-May-09 | XOMA LTD /DE/ Files SEC form 8-K, Entry into a Material Definitive Agreement, Financial Statements and Exhibits |
| 7-May-09 | XOMA LTD /DE/ Files SEC form 10-Q, Quarterly Report |
| 9-Apr-09 | XOMA LTD /DE/ Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 12-Mar-09 | Price hit new 52-week low ($0.37) |
| 11-Mar-09 | XOMA LTD /DE/ Files SEC form 10-K, Annual Report |
| 2-Mar-09 | Price hit new 52-week low ($0.48) |
| 27-Feb-09 | Price hit new 52-week low ($0.50) |
| 19-Feb-09 | XOMA LTD /DE/ Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 10-Feb-09 | XOMA LTD /DE/ Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 21-Jan-09 | XOMA LTD /DE/ Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 20-Jan-09 | XOMA LTD /DE/ Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 5-Jan-09 | XOMA LTD /DE/ Files SEC form 8-K, Change in Directors or Principal Officers |
| 23-Dec-08 | XOMA LTD /DE/ Files SEC form 8-K, Other Events |
| 12-Dec-08 | XOMA LTD /DE/ Files SEC form 8-K, Change in Directors or Principal Officers |
| 10-Nov-08 | XOMA LTD /DE/ Files SEC form 10-Q, Quarterly Report |
| 22-Oct-08 | XOMA LTD /DE/ Files SEC form 8-K, Entry into a Material Definitive Agreement |