AGREEMENTSchedule 13d • November 13th, 2012 • Baker Bros Advisors LLC • Pharmaceutical preparations
Contract Type FiledNovember 13th, 2012 Company IndustryIn accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree that this Statement on Schedule 13D relating to the Common Stock, $0.00000002 par value, of MEI Pharma, Inc. is being filed with the Securities and Exchange Commission on behalf of each of them.