Common use of Future Collaboration Clause in Contracts

Future Collaboration. Upon completion of the research described in the Work Plan, the parties may agree to enter into a collaboration to develop and evaluate an AAV-ACvi vector for the treatment of congestive heart failure (the "Collaboration") whereby Targeted Genetics would be responsible for constructing and manufacturing an AAV-ACvi vector and Collateral would be responsible for, among other things, funding Targeted's costs for the Collaboration, which are estimated to be approximately *** . In the event that the parties do not enter into a Collaboration, Collateral shall return all unused Biological Materials pursuant to Paragraph 9, and the parties shall have no further obligations to each other. Targeted Genetics Corporation By /s/ H. ▇▇▇▇▇▇▇ ▇▇▇▇▇▇ ----------------------------- Name: H. ▇▇▇▇▇▇▇ ▇▇▇▇▇▇ ----------------------------- Title: Pres. & CEO ----------------------------- Collateral Therapeutics, Inc. By: /s/ ▇▇▇▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇ ----------------------------- Name: ▇▇▇▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇ ----------------------------- Title: COO & CFO ----------------------------- *** Portions of this page have been omitted pursuant to a request for Confidential Treatment and filed separately with the Commission. APPENDIX A WORK PLAN We would like to explore the possibility of *** . 1. Cell culture studies: *** *** *** *** *** *** *** 2. In vivo gene transfer: *** *** *** *** *** *** *** *** *** *** *** 3. Ex Vivo gene transfer. *** *** *** ***