Rights as an Employee. The Plan shall not be construed to give any individual the right to remain in the employ of the Company or to affect the right of the Company to terminate such individual’s employment at any time, with or without cause. The grant of an Option shall not entitle the Participant to, or disqualify the Participant from, participation in the grant of any other Option under the Plan or participation in any other plan maintained by the Company.

SECTION # NO RIGHT TO EMPLOYMENT OR DIRECTORSHIP: The grant of an Award shall not be construed as giving a Participant the right to be retained in the employ of the Company or an Affiliate or any right to remain as a member of the Board,

I am the holder of a stock appreciation right (“SAR”) granted to me under the Casa Systems, Inc. (the “Company”) 2011 Stock Incentive Plan on 2 (the “Grant Date”) measured by the appreciation from and after the Grant Date in the Fair Market Value of 3 shares of Common Stock of the Company.

No Right to Continued Service or Awards. Nothing in the adoption of the Plan, nor the award of the DSUs thereunder pursuant to the Grant Notice and this Agreement, shall confer upon the Participant the right to a continued service relationship with the Company or any Affiliate, or any other entity, or affect in any way the right of the Company or any such Affiliate, or any other entity to terminate such service relationship at any time. The grant of the DSUs is a one-time benefit and does not create any contractual or other right to receive a grant of deferred stock units or other Awards or any payment or benefits in the future. Any future Awards will be granted at the sole discretion of the Board or the Committee acting on behalf of the Company.

Right to Grant Security Interest; No Further Encumbrances. The Grantors have the right to grant a security interest in the Collateral. The Grantors will pay all taxes and other charges against the Collateral (including, without limitation, property, use and sales taxes), and no Grantor will use the Collateral illegally or allow the Collateral to be encumbered except for the security interest in favor of the Bank granted herein.

Petco Health and Wellness Company, Inc. (the “Company”) has granted to the Participant named in the Grant Notice provided to said Participant herewith (the “Grant Notice”) an award of Restricted Stock Units (the “Award” or “RSUs”) specified in the Grant Notice, with each Restricted Stock Unit representing the right to receive one share of Common Stock. The Award is subject to the conditions set forth in the Grant Notice, these Standard Terms and Conditions and the Plan. For purposes of these Standard Terms and Conditions and the Grant Notice, any reference to the Company shall include a reference to any Subsidiary.

Nothing herein or in the Grant Notice or in the Plan confers any right or obligation on you to continue in the employ of the Company or any subsidiary or shall affect in any way your right or the right of the Company or any subsidiary, as the case may be, to terminate your employment at any time. This Grant Agreement, the Grant Notice, and the Plan, including any future amendments thereto, shall be binding upon you, your estate, any person succeeding to your rights hereunder and any successor or successors of the Company. The RSUs do not confer to you or any person succeeding to your rights hereunder any rights of a shareholder of the Company unless and until shares of Common Stock are in fact issued to you or such person in connection with the settlement of the RSUs.

Vesting. A Stock Appreciation Right shall become vested and nonforfeitable as determined by the Administrator at the time of grant and set forth in the applicable award agreement, provided that no Stock Appreciation Right shall become vested earlier than the first anniversary of the date of grant of such Stock Appreciation Right; and provided, further, that the Participant shall have continuously remained in the active employment of the Company or an Affiliate until the applicable vesting date.

License Grant. Subject to the terms and conditions of this Agreement, Licensor hereby grants to Commercializing Party: # an exclusive license, with the right to grant sublicenses solely as provided in Section 2.2, to use the Licensed Protocol, the Kaufmann Name and the Kaufmann Intellectual Property in the Territory during the Term; and # an exclusive license to Commercialize the Products in the Territory during the Term.

Initial Grant. Each new Outside Director will receive an initial, one-time restricted stock unit grant, with a Value of $400,000 (the “Initial Grant”), that vests in three (3) equal installments on the first, second, and third anniversary of the grant date; provided, however, that all vesting will cease if the director ceases to provide services to the Company, unless the Board determines otherwise prior to the cessation of such services.