X0508 4 2023-09-29 0001262104 MEI Pharma, Inc. MEIP 0001129890 DRISCOLL FREDERICK W C/O MEI PHARMA, INC. 11455 EL CAMINO REAL, SUITE 250 SAN DIEGO CA 92130 true false Stock Option (Right to Buy) 7.01 2023-09-29 4 A 0 10000 0 A 2033-09-29 Common Stock 10000 10000 D Such option shall vest as follows: 16.66666% shall be vested on the date of grant, and the remaining shares subject to the option shall vest in equal monthly amounts beginning October 1, 2023 and continuing on the first day of each calendar month following such date and continuing through July 1, 2024. /s/ David M. Urso, as attorney in fact 2023-10-12