X0306 4 2014-09-12 0 0000791908 XOMA Corp XOMA 0001023225 WYSZOMIERSKI JACK L C/O XOMA CORPORATION 2910 SEVENTH STREET BERKELEY CA 94710 1 0 0 0 Common Shares 2014-09-12 4 A 0 5500 0 A 31297 D Non-Qualified Share Option (right to buy) 4.73 2014-09-12 4 A 0 7000 4.73 A 2015-09-12 2024-09-12 Common Shares 7000 7000 D These shares were acquired pursuant to a grant of restricted stock units on September 12, 2014 under the Amended and Restated XOMA Corporation 2010 Long Term Incentive and Stock Award Plan and are scheduled to vest in substantially equal installments on each of May 28, 2015, May 28, 2016, and May 28, 2017. Exercisable with respect to 1/12th of options in monthly increments beginning October 12, 2014 and ending September 12, 2015. By: Russell J. Wood For: Jack L. Wyszomierski 2014-09-16