Revised 2/28/06 * TC Authorized Person(s) 1600 Directors only. 1700 Directors and QAS. 2100 Directors only. 2600 Directors, SPREs, and QAS. 2800 Directors and QAS; Art Grimley, Georgia Epps; and Olik Chaudhuri. 2900 Directors only and QAS. 3600 Directors only. 3700 Directors only. * The title has been revised to set forth that the persons listed are also authorized to approve Supplemental Examiner's Answers.