Common use of Amendment to Appendix A Clause in Contracts

Amendment to Appendix A. This Amendment to Appendix A is dated as of [ ], 20[_], and made pursuant to Section 3.1 of the Master Development and Manufacturing Agreement (the “Master Agreement”), dated [ ] [ ], 20[ ], between Magenta Therapeutics, Inc. and Bachem Americas, Inc. In consideration of the mutual promises contained in the Master Agreement and for other good and valuable consideration, the receipt and adequacy of which each of the Parties does hereby acknowledge, the Parties hereby agree to amend Appendix A by adding the attached new Project Plan entitled [ ], which is designated as Project Plan A–[ ]. This Project Plan is effective as of [ ], 20[ ] and shall terminate on [ ], 20[ ], unless earlier terminated as permitted in the Master Agreement. Project Plan A–[ ] shall hereby be deemed incorporated into the Master Agreement referenced above. By: Name: Title: By: Name: Title: