Statistical Analysis Plan Page 1 of 63 Sponsor Name: Stemline Therapeutics, Inc. Protocol Number and Title: STML-701-0114 A Phase 1/2 Study of SL-701, a Subcutaneously Injected Multivalent Glioma-Associated Antigen Vaccine, in Adult Patients with Recurrent Glioblastoma Multiforme Protocol Version and Date: Version 1.1: 18 February 2014 <Protocol Amendment numbers and dates> Version 2.0: 23 October 2014 (Amendment 1) Version 3.0: 10 July 2015 (Amendment 2) Author(s): Yan Wei, MS Biostatistician SAP Version: Final, v1.0 SAP Version Date: 31 August 2017 Notice of Confidential and Proprietary Information: The information contained in this document is confidential belonging to the Spon sor, Stemline Therapeutics, Inc. Acceptance of this document constitutes agreement by the recipient that no information contained herein will be published or disclosed without prior written authorization from an official of Stemline Therapeutics, Inc.