Neuren and ACADIA have agreed to an initial Development Plan with respect to the Development of the Compound for Rett syndrome in the Territory, including development tasks, timelines and a budget, an overview of which is set out in a schedule delivered by separate letter agreement of the parties.

​ = Certain confidential information contained in this document, marked by brackets, has been omitted and filed separately with the Securities and Exchange Commission pursuant to Rule 406 of the Securities Act of 1933, as amended.

Development Plan. An initial development plan is attached hereto as Exhibit A (such plan, as may be amended by time to time pursuant to this Agreement, the “Development Plan”). The Development Plan is a high-level summary of the Development activities Allergan anticipates being necessary to obtain Regulatory Approval for Licensed Products for the First Indication in the U.S. and ​ [[Unknown Identifier]] Countries for which Allergan is using Commercially Reasonable Efforts to Develop and seek Regulatory Approval for a Licensed Product in the First Indication. For as long as Development activities under this Agreement are ongoing, on or before each anniversary of the Effective Date, Allergan shall prepare an amendment, as appropriate, to the then-current Development Plan to reflect material changes or additions to the Development of Licensed Products for the First Indication in the U.S. and ​ [[Unknown Identifier]] Countries. Allergan shall submit all amendments to the Development Plan to UroGen and, upon such submission, the amended Development Plan will become effective and supersede the previous Development Plan.

Global Addendum. Notwithstanding any provisions in this document to the contrary, the RSUs will also be subject to the special terms and conditions set forth on [Appendix A] for Grantees who reside outside of the United States. Moreover, if a Grantee is not a resident of any of the countries listed on [Appendix A] as of the Grant Date, but relocates to one of the listed countries at any point thereafter, the special terms and conditions for such country will apply to the Grantee, to the extent the Company determines that the application of such terms and conditions is necessary or advisable in order to comply with local law or facilitate the administration of the Plan. [Appendix A] constitutes part of this Grant Agreement.

Development Candidates; Early Clinical Development Plan. SGI will pay to Unum one hundred percent (100%) of all Manufacturing Costs relating to ACTR T-cells incurred by Unum to support Development of Development Candidates in accordance with the Early Clinical Development Plan as Development Costs pursuant to Section 6.5(b).

The terms under which Unum will supply clinical supplies of ACTR T-cells to SGI for use as part of the Development Candidates in the Territory will be set forth in a supply agreement to be entered into between the Parties no later than ​ days prior to the date of Initiation of a Clinical Trial of the first Development Candidate in the Territory (the “ACTR T-cell Clinical Supply Agreement”). Such ACTR T-cell Clinical Supply Agreement will contain customary terms and conditions, including quality, and otherwise be consistent with this Agreement.

Global Safety Database. Within […​…] after [[Organization A:Organization]] proceeds with the In-Licensing, [[Organization A:Organization]] shall set up, hold, and maintain (at [[Organization A:Organization]]’s sole cost and expense, but subject to the last sentence of this subsection) the global safety database for Licensed Compounds or Licensed Products. ​ shall provide [[Organization A:Organization]] with all Information necessary or desirable for [[Organization A:Organization]] to comply with its pharmacovigilance responsibilities in the Territory, including, as applicable, any adverse drug experiences, from pre-clinical or clinical laboratory, animal toxicology and pharmacology studies, Clinical Studies, and commercial experiences with a Licensed Compound or Licensed Product, in each case in the form reasonably requested by [[Organization A:Organization]].

Initial Development Plan and Budget. Either Party, directly or through its representatives on the JDC, may propose amendments to the Initial Development Plan and Budget from time to time. Any and all such amendments shall be subject to approval by the JDC as set forth in Section 2.2.2, subject to the dispute resolution procedures set forth in Section 2.4.3.

Development Reports. Licensee shall provide Merck with reasonably detailed reports describing its progress with respect to its Development efforts under this Agreement (hereinafter “Development Reports”). Such Development Reports shall be furnished annually until the First Commercial Sale. Each Development Report shall include the following information for the Licensed Product: a description of the Development work conducted during the year in reasonable detail, including clinical studies, formulation work, manufacturing work, and other testing work and regulatory activity; timelines for such work; and key decision gates and milestones anticipated for such work. All Development Reports created by Licensee shall be deemed the Proprietary Information of Licensee and are subject to the confidentiality obligations of Article IX.

Development Records. Allergan shall maintain, in good scientific manner, complete and accurate books and records pertaining to its Development activities hereunder, in sufficient detail to verify compliance with its obligations under this Agreement and which shall be appropriate for patent and regulatory purposes, in compliance with Applicable Law and properly reflect all work done and results achieved in the performance of its Development activities hereunder, which books and records shall record only such activities and shall not include or be commingled with records of activities outside the scope of this Agreement. Such books and records shall be retained by Allergan for at least ​ years after the expiration or termination of this Agreement in its entirety or for such longer period as may be required by Applicable Law.