Investigator Sponsored Trial (IST) LOI Submission Form This form is to be used to submit an Investigator Sponsored Trial Letter of Intent (LOI). Each section should be completed as fully as possible. Send completed forms to your Medical Science Liaison and to externalresearch@tesarobio.com. A written letter will be provided requesting a full study protocol should the LOI be accepted. A final approved protocol and fully executed clinical study agreement are required prior to the initiation of any study. General Information LOI Submission Investigator Name Email Sponsor Name Cooperative/ Network Date Dr. John Smith, MD Institutional Email Address Legal Institution and/or Organization If involved, provide name(s) and responsibilities LOI Overview Study Title Study Title Phase Choose one Type Choose one Requested Support Choose one Total Number of Subjects Enrollment Rate (subjects/month/site) Number of Sites Site Country(s) Maximum # Subjects Planned Rate Estimate Main plus # Sub-sites Where the study will be conducted LOI Details Background & Rationale Click here to enter text. Study Objectives Inclusion / Exclusion Criteria Schema and Intervention Study Design and Schedule of Procedures Study Endpoints Click here to enter text. Statistical Analysis Plan Click here to enter text. Data Management Plan Click here to enter text. Publication Plan Click here to enter text. References Click here to enter text. Study Timelines LOI Decision to Initial Protocol Draft Initial Protocol to IRB/EC Approved Protocol IRB/EC Approved Protocol to First Patient Dose Last Patient Dose to Draft Publication Support Requested Support requested from other entities? v.2.3 Jul15 Click here to enter text. Insert study schema. Templates available upon request. Click here to enter text. Click here to enter text. Estimate # months Estimate # months Estimate # months Estimate # months Yes/No Page 1 of 2 Investigator Sponsored Trial (IST) LOI Submission Form Describe outside support Budget Currency Budget Estimate Subjects Receiving Compound Distribution Describe any outside support, including compound, funding, or other in-kind services Choose one; If applicable, specify Other Total to support all study activities; includes funding support requested from all entities Maximum # Subjects Receiving TESARO Compound Choose one TESARO Drug Choose one Formulation Choose one Average Dose Number of Doses/Cycle Cycle Duration (days) Number of Cycles/Subject Combination Drugs/Agents Average Dose by Arm, including units Planned # Doses/Cycle Cycle Length in Days Average # Cycles/Subject Include all drugs/agents, including chemotherapy, immunotherapy, radiotherapy, etc. You represent and warrant that you have full authority and consents necessary for the transfer, processing and use of all data provided in your submission, and that the information does not violate a third party’s intellectual property rights. In submitting your proposal, you understand that TESARO may not treat the information provided as confidential or proprietary. If you enter into an agreement with TESARO, the terms of that agreement will govern the confidentiality of and intellectual property rights in the information you provide. v.2.3 Jul15 Page 2 of 2