[Exhibit A] of the Agreement is amended by amending and restating the definition of “Revolving Maturity Date” to read in its entirety as follows:

Entire Agreement; Amendment. This Agreement, including the Exhibits hereto, and the Ancillary Agreements set forth the complete, final and exclusive agreement and all the covenants, promises, agreements, warranties, representations, conditions and understandings between the Parties hereto with respect to the subject matter hereof and supersedes all prior agreements (including the Existing Confidentiality Agreement) and understandings between the Parties existing as of the Effective Date with respect to the subject matter hereof. In the event of any inconsistency between any plan hereunder (including the Early Clinical Development Plan, Late Clinical Development Plan or Joint Commercialization Plan) and this Agreement, the terms of this Agreement will prevail. There are no covenants, promises, agreements, warranties, representations, conditions or understandings, either oral or written, between the Parties other than as are set forth herein and therein. No subsequent alteration, amendment, change or addition to this Agreement will be binding upon the Parties unless reduced to writing and signed by an authorized officer of each Party.

Entire Agreement; Amendment. This Agreement, together with the Plan, contains the entire agreement between the parties hereto with respect to the subject matter contained herein, and supersedes all prior agreements or prior understandings, whether written or oral, between the parties relating to such subject matter. The Committee shall have the right, in its sole discretion, to modify or amend this Agreement from time to time in accordance with and as provided in the Plan. This Agreement may also be modified or amended by a writing signed by both the Company and the Participant. The Company shall give written notice to the Participant of any such modification or amendment of this Agreement as soon as practicable after the adoption thereof.

Except as otherwise set forth in this Agreement, this Agreement contains the entire agreement between the Company and the Employee with respect to the subject matter hereof and thereof. This Agreement may not be amended, waived, changed, modified or discharged except by an instrument in writing executed by or on behalf of the party against whom enforcement of any amendment, waiver, change, modification or discharge is sought. No course of conduct or dealing shall be construed to modify, amend or otherwise affect any of the provisions hereof.

Entire Agreement; Amendment. This Agreement supersedes any employment understanding or agreement (except the Invention and Trade Secret Agreement) which may have been previously made by Employer or its respective subsidiaries or affiliates with Employee, and this Agreement, together with the Invention and Trade Secret Agreement, represents all the terms

Amendment of Agreement. Except to the extent required by law or specifically contemplated under this Agreement, neither the Committee nor the Executive Vice President and Chief Administrative Officer of Verizon (or his or her designee) may, without the written consent of the Participant, change any term, condition or provision affecting the RSUs if the change would have a material adverse effect upon the RSUs or the Participant’s rights thereto. Nothing in the preceding sentence shall preclude the Committee or the Executive Vice President and Chief Administrative Officer of Verizon (or his or her designee) from exercising administrative discretion with respect to the Plan or this Agreement, and the exercise of such discretion shall be final, conclusive and binding. This discretion includes, but is not limited to, corrections of any errors, including but not limited to any administrative errors, and determining whether the Participant has been discharged for Cause, has a Disability, has Retired, has breached any of the Participant’s obligations or restrictions set forth in [Exhibits A] and B to this Agreement or has satisfied the requirements for vesting and payment under paragraphs 5 and 7 of this Agreement.

ENTIRE AGREEMENT/AMENDMENT. This Agreement and the Registered Offering Transaction Documents constitute the entire agreement among the parties hereto with respect to the subject matter hereof and thereof. There are no restrictions, promises, warranties or undertakings, other than those set forth or referred to herein and therein. This Agreement and the Registered Offering Transaction Documents supersede all prior agreements and understandings among the parties hereto with respect to the subject matter hereof and thereof. The provisions of this Agreement may be amended only with the written consent of the Company and Investor.

Entire Agreement; Amendment. This Agreement, including the Schedules hereto and thereto, sets forth the complete, final and exclusive agreement and all the covenants, promises, agreements, warranties, representations, conditions and understandings between the Parties hereto and supersedes and terminates all prior agreements and understandings between the Parties with regard to the subject matter of this Agreement in the Territory. There are no covenants, promises, agreements, warranties, representations, conditions or understandings, either oral or written, between the Parties other than as are set forth herein and therein. No subsequent alteration, amendment, change, waiver or addition to this Agreement shall be binding upon the Parties unless reduced to writing and signed by an authorized officer of each Party.

Agreement Amendment Generally. Except as provided in [Section 8.2], this Agreement may be amended only by a written agreement signed by both the Employer and the Executive.

Entire Agreement; Amendment. This Agreement constitutes the entire agreement of the parties with regard to the subjects hereof and may be amended only by written agreement between the Company and Recipient.