Document:

Xensource, Inc. 2005 Stock Plan

 Exhibit 10.4 
 XENSOURCE, INC. 2005 STOCK PLAN 
 SECTION 1. ESTABLISHMENT AND PURPOSE. 
 The purpose of the Plan is to offer selected persons an opportunity to acquire a
proprietary interest in the success of the Company, or to increase such interest, by purchasing Shares of the Company’s Stock. The Plan provides both for the direct award or sale of Shares and for the grant of Options to purchase Shares.
Options granted under the Plan may include Nonstatutory Options as well as ISOs intended to qualify under Section 422 of the Code and EMI Options intended to qualify under Schedule 5, ITEPA. 
 Capitalized terms are defined in Section 13. 
 SECTION 2. ADMINISTRATION. 
 (a) Committees of the Board of Directors. The Plan may be administered by one or more
Committees. Each Committee shall consist of one or more members of the Board of Directors who have been appointed by the Board of Directors. Each Committee shall have such authority and be responsible for such functions as the Board of Directors has
assigned to it. If no Committee has been appointed, the entire Board of Directors shall administer the Plan. Any reference to the Board of Directors in the Plan shall be construed as a reference to the Committee (if any) to whom the Board of
Directors has assigned a particular function. 
 (b) Authority of the Board of Directors. Subject to the provisions of the Plan, the
Board of Directors shall have full authority and discretion to take any actions it deems necessary or advisable for the administration of the Plan. All decisions, interpretations and other actions of the Board of Directors shall be final and binding
on all Purchasers, all Optionees and all persons deriving their rights from a Purchaser or Optionee. 
 SECTION 3. ELIGIBILITY. 
 (a) General Rule. Only Employees, Outside Directors and Consultants shall be eligible for the grant of Nonstatutory Options or the direct award or
sale of Shares. Only Employees shall be eligible for the grant of ISOs. Only Employees who do not have a material interest in the Company for the purposes of paragraph 28, Schedule 5, ITEPA and whose committed time to the Company, its Parent or its
Subsidiaries amounts to at least 25 hours per week or if less, 75% of their working time as defined in that legislation shall be eligible for the grant of EMI Options. 
 (b) Ten-Percent Stockholders. A person who owns more than 10% of the total combined voting power of all classes of outstanding stock of the Company, its Parent or any of its Subsidiaries shall not be eligible
for designation as an Optionee or Purchaser unless (i) the Exercise Price is at least 110% of the Fair Market Value of a Share on the date of grant, (ii) the Purchase Price (if any) is at least 100% of the Fair Market Value of a Share and
(iii) in the case of an ISO, such ISO by its terms is not exercisable after the expiration of five years from the date of grant. For purposes of this Subsection (b), in determining stock ownership, the attribution rules of Section 424(d)
of the Code shall be applied. 

 (c) Individual EMI Participation. The Fair Market Value of Shares held under EMI Option by any
Optionee shall not exceed £100,000 or such other limit imposed under Schedule 5, ITEPA (as amended from time to time). If and to the extent that the Fair Market Value of the Shares granted to an Optionee pursuant to an EMI Option exceeds
£100,000 such Option shall take effect so that it is an EMI Option for the purposes of the Schedule 5, ITEPA in respect of such number of Shares as does not cause the maximum entitlement to be exceeded and is a Nonstatutory Option in respect
of the balance of the Shares. 
 SECTION 4. STOCK SUBJECT TO PLAN. 
 (a) Basic Limitation. Not more than 8,301,000 Shares may be issued under the Plan (subject
to Subsection (b) below and Section 8(a)).1 All of these Shares may be issued upon the exercise of ISOs. The number of Shares that are subject to
Options or other rights outstanding at any time under the Plan shall not exceed the number of Shares that then remain available for issuance under the Plan. The Company, during the term of the Plan, shall at all times reserve and keep available
sufficient Shares to satisfy the requirements of the Plan. Shares offered under the Plan may be authorized but unissued Shares or treasury Shares. 
 (b) Additional Shares. In the event that Shares previously issued under the Plan are reacquired by the Company, such Shares shall be added to the number of Shares then available for issuance under the Plan. In
the event that an outstanding Option or other right for any reason expires or is canceled, the Shares allocable to the unexercised portion of such Option or other right shall be added to the number of Shares then available for issuance under the
Plan. 
 (c) Overall EMI Limit. The Fair Market Value of Shares in respect of unexercised EMI Options granted under the Plan shall not
exceed £3 million (or such other limit as may be specified under Schedule 5, ITEPA (as amended from time to time)). If and to the extent that this limit is exceeded, any EMI Option granted under the Plan shall take effect so that it is a
qualifying EMI Option in respect of such number of whole Shares as does not cause the limit to be exceeded and is a Nonstatutory Option in respect of the balance of the Shares. 
 SECTION 5. TERMS AND CONDITIONS OF AWARDS OR SALES. 
 (a) Stock Purchase Agreement. Each award
or sale of Shares under the Plan (other than upon exercise of an Option) shall be evidenced by a Stock Purchase Agreement between the Purchaser and the Company. Such award or sale shall be subject to all applicable terms and conditions of the Plan
and may be subject to any other terms and conditions which are not inconsistent with the Plan and which the Board of Directors deems appropriate for inclusion in a Stock Purchase Agreement. The provisions of the various Stock Purchase Agreements
entered into under the Plan need not be identical. 
 (b) Duration of Offers and Nontransferability of Rights. Any right to acquire
Shares under the Plan (other than an Option) shall automatically expire if not exercised by the Purchaser within 30 days after the grant of such right was communicated to the Purchaser by the Company. Such right shall not be transferable and shall
be exercisable only by the Purchaser to whom such right was granted. 

	 1
	 Reflects the original reserve of 2,375,000 Shares, an increase by 1,215,916 Shares
approved by the Board of Directors on September 28, 2005, an increase by 2,216,084 Shares approved by the Board of Directors on March 9, 2006, and an increase by 2,494,000 Shares approved by the Board of Directors on August 30, 2006.

 (c) Purchase Price. The Purchase Price of Shares to be offered under the Plan shall not be less
than 85% of the Fair Market Value of such Shares, and a higher percentage may be required by Section 3(b). Subject to the preceding sentence, the Board of Directors shall determine the Purchase Price at its sole discretion. The Purchase Price
shall be payable in a form described in Section 7. 
 (d) Withholding Taxes. As a condition to the purchase of Shares, the
Purchaser shall make such arrangements as the Board of Directors may require for the satisfaction of any federal, state, local or foreign withholding tax obligations that may arise in connection with such purchase. 
 (e) Restrictions on Transfer of Shares and Minimum Vesting. Any Shares awarded or sold under the Plan shall be subject to such special forfeiture
conditions, rights of repurchase, rights of first refusal and other transfer restrictions as the Board of Directors may determine. Such restrictions shall be set forth in the applicable Stock Purchase Agreement and shall apply in addition to any
restrictions that may apply to holders of Shares generally. In the case of a Purchaser who is not an officer of the Company, an Outside Director or a Consultant: 
 (i) Any right to repurchase the Purchaser’s Shares at the original Purchase Price (if any) upon termination of the Purchaser’s
Service shall lapse at least as rapidly as 20% per year over the five-year period commencing on the date of the award or sale of the Shares; 
 (ii) Any such right may be exercised only for cash or for cancellation of indebtedness incurred in purchasing the Shares; and 
 (iii) Any such right may be exercised only within 90 days after the termination of the Purchaser’s Service. 
 SECTION 6. TERMS AND CONDITIONS OF OPTIONS. 
 (a)
Stock Option Agreement. Each grant of an Option under the Plan shall be evidenced by a Stock Option Agreement between the Optionee and the Company, which shall, in addition to the matters set out below, specify the date of grant of the
Option. The Option shall be subject to all applicable terms and conditions of the Plan and may be subject to any other terms and conditions which are not inconsistent with the Plan and which the Board of Directors deems appropriate for inclusion in
a Stock Option Agreement. The provisions of the various Stock Option Agreements entered into under the Plan need not be identical. 
 (b)
Number of Shares. Each Stock Option Agreement shall specify the number of Shares that are subject to the Option and shall provide for the adjustment of such number in accordance with Section 8. The Stock Option Agreement shall also
specify whether the Option is an ISO,a Nonstatutory Option or an EMI Option. 
 (c) Exercise Price. Each Stock Option Agreement shall
specify the Exercise Price. The Exercise Price of an ISO shall not be less than 100% of the Fair Market Value of a Share on the date of grant, and a higher percentage may be required by Section 3(b). The Exercise Price of a Nonstatutory Option
shall not be less than 85% of the Fair Market Value of a Share on the date of grant, and a higher percentage may be required by Section 3(b). The Exercise Price of an EMI Option shall be determined by the Board of Directors in its absolute
discretion. Subject to the preceding three sentences, the Exercise Price under any Option shall be determined by the Board of Directors at its sole discretion. The Exercise Price shall be payable in a form described in Section 7. 

 (d) Exercisability. Each Stock Option Agreement shall specify the date when all or any installment
of the Option is to become exercisable. No Option shall be exercisable unless the Optionee has delivered an executed copy of the Stock Option Agreement to the Company. In the case of an Optionee who is not an officer of the Company, an Outside
Director or a Consultant, an Option shall become exercisable at least as rapidly as 20% per year over the five-year period commencing on the date of grant. Subject to the preceding sentence, the Board of Directors shall determine the
exercisability provisions of the Stock Option Agreement at its sole discretion. All of an Optionee’s Options shall become exercisable in full if Section 8(b)(iv) applies. 
 (e) Basic Term. The Stock Option Agreement shall specify the term of the Option. The term shall not exceed 10 years from the date of grant, and a
shorter term may be required by Section 3(b). Subject to the preceding sentence, the Board of Directors at its sole discretion shall determine when an Option is to expire. 
 (f) Termination of Service (Except by Death). If an Optionee’s Service terminates for any reason other than the Optionee’s death, then
the Optionee’s Options shall expire on the earliest of the following occasions: 
 (i) The expiration date determined
pursuant to Subsection (e) above; 
 (ii) The date three months after the termination of the Optionee’s Service for
any reason other than Disability, or such later date as the Board of Directors may determine; or 
 (iii) The date six months
after the termination of the Optionee’s Service by reason of Disability, or such later date as the Board of Directors may determine. 
 The Optionee may
exercise all or part of the Optionee’s Options at any time before the expiration of such Options under the preceding sentence, but only to the extent that such Options had become exercisable before the Optionee’s Service terminated (or
became exercisable as a result of the termination) and the underlying Shares had vested before the Optionee’s Service terminated (or vested as a result of the termination). The balance of such Options shall lapse when the Optionee’s
Service terminates. In the event that the Optionee dies after the termination of the Optionee’s Service but before the expiration of the Optionee’s Options, all or part of such Options may be exercised (prior to expiration) by the
executors or administrators of the Optionee’s estate or by any person who has acquired such Options directly from the Optionee by beneficiary designation, bequest or inheritance, but only to the extent that such Options had become exercisable
before the Optionee’s Service terminated (or became exercisable as a result of the termination) and the underlying Shares had vested before the Optionee’s Service terminated (or vested as a result of the termination). 
 (g) Leaves of Absence. For purposes of Subsection (f) above, Service shall be deemed to continue while the Optionee is on a bona fide leave
of absence, if such leave was approved by the Company in writing and if continued crediting of Service for this purpose is expressly required by the terms of such leave or by applicable law (as determined by the Company). 

 (h) Death of Optionee. If an Optionee dies while the Optionee is in Service, then the
Optionee’s Options shall expire on the earlier of the following dates: 
 (i) The expiration date determined pursuant to
Subsection (e) above; or 
 (ii) The date 12 months after the Optionee’s death, or in the case of an ISO or
Nonstatutory Option only, such later date as the Board of Directors may determine. 
 All or part of the Optionee’s Options may be exercised at any time
before the expiration of such Options under the preceding sentence by the executors or administrators of the Optionee’s estate or by any person who has acquired such Options directly from the Optionee by beneficiary designation, bequest or
inheritance, but only to the extent that such Options had become exercisable before the Optionee’s death (or became exercisable as a result of the death) and the underlying Shares had vested before the Optionee’s death (or vested as a
result of the Optionee’s death). The balance of such Options shall lapse when the Optionee dies. 
 (i) Restrictions on Transfer of
Shares and Minimum Vesting. Any Shares issued upon exercise of an Option shall be subject to such special forfeiture conditions, rights of repurchase, rights of first refusal and other transfer restrictions as the Board of Directors may
determine. Such restrictions shall be set forth in the applicable Stock Option Agreement and shall apply in addition to any restrictions that may apply to holders of Shares generally. In the case of an Optionee who is not an officer of the Company,
an Outside Director or a Consultant: 
 (i) Any right to repurchase the Optionee’s Shares at the original Exercise Price
upon termination of the Optionee’s Service shall lapse at least as rapidly as 20% per year over the five-year period commencing on the date of the option grant; 
 (ii) Any such right may be exercised only for cash or for cancellation of indebtedness incurred in purchasing the Shares; and 

(iii) Any such right may be exercised only within 90 days after the later of (A) the termination of the Optionee’s Service or
(B) the date of the option exercise. 
 (j) Transferability of Options. An Option shall be transferable by the Optionee only by
(i) a beneficiary designation, (ii) a will or (iii) the laws of descent and distribution, except as provided in the next sentence. If the applicable Stock Option Agreement so provides, a Nonstatutory Option shall also be transferable
by gift or domestic relations order to a Family Member of the Optionee. An ISO may be exercised during the lifetime of the Optionee only by the Optionee or by the Optionee’s guardian or legal representative. EMI Options and Nonstatutory Options
granted to Employees subject to UK tax legislation shall in all cases be personal to the Optionee and may not be transferred, assigned or charged (except to an Optionee’s personal representatives on death), and any purported transfer in
contravention of this Subsection (j) shall cause the Option to lapse. 

 (k) Withholding Taxes. As a condition to the exercise or cancellation of an Option, the Optionee
shall make such arrangements as the Board of Directors may require for the satisfaction of any federal, state, local or foreign withholding tax and social security obligations that may arise in connection with such exercise. The Optionee shall also
make such arrangements as the Board of Directors may require for the satisfaction of any federal, state, local or foreign withholding tax obligations that may arise in connection with the disposition of Shares acquired by exercising an Option. In
respect of EMI Options or Nonstatutory Option granted to Employees subject to UK tax legislation, the above expressly includes any social security obligations which fall to be paid to the UK Inland Revenue by the Company, its Parent or relevant
employing Subsidiary under the modified PAYE system as it applies for social security purposes under the Social Security Contributions and Benefits Act 1992 and regulations referred to in it, such liability being the aggregate of all of the
employee’s primary national insurance contributions and all of the employer’s secondary national insurance contributions. 
 (l)
Section 431 Election. Where, for the purposes of UK tax legislation, the Shares to be acquired on the exercise of an EMI Option or a Nonstatutory Option are considered by the Board of Directors to be “restricted securities” as
defined in Part 7. Chapter 2, ITEPA, it is a condition of exercise that (if required by the Board of Directors) the Optionee enter into a joint election with the Company or relevant employing Subsidiary pursuant to section 431, Part 7, Chapter 2,
ITEPA (or any other election, as the Board of Directors direct, for the same purpose) (a “Section 431 Election”) electing that the market value of the Shares acquired on exercise of the Option be calculated as if the Shares were not
“restricted securities.” 
 (m) No Rights as a Stockholder. An Optionee, or a transferee of an Optionee, shall have no
rights as a stockholder with respect to any Shares covered by the Optionee’s Option until such person becomes entitled to receive such Shares by filing a notice of exercise and paying the Exercise Price pursuant to the terms of such Option.

 (n) Modification, Extension and Assumption of Options. Within the limitations of the Plan, the Board of Directors may modify,
extend or assume outstanding Options or may accept the cancellation of outstanding Options (whether granted by the Company or another issuer) in return for the grant of new Options for the same or a different number of Shares and at the same or a
different Exercise Price. The foregoing notwithstanding, no modification of an Option shall, without the consent of the Optionee, impair the Optionee’s rights or increase the Optionee’s obligations under such Option. 
 SECTION 7. PAYMENT FOR SHARES. 
 The entire Purchase
Price or Exercise Price of Shares issued under the Plan shall be payable as follows at the time when such Shares are purchased: 
 (a) cash; 
 (b) certified, bank cashier’s or personal check (if agreed to by the Company); 
 (c) provided that a public market for the Company’s stock exists: (i) through a “same day sale” commitment from the
Optionee and a broker-dealer that is a member of the National Association of Securities Dealers (an “NASD Dealer”) whereby the Optionee irrevocably elects to exercise the Option and to sell a portion of the Shares so purchased
sufficient to pay for the total Exercise Price and whereby the NASD Dealer irrevocably commits upon receipt of such Shares to forward the total Exercise Price directly to the Company, or (ii) through a “margin” commitment from the
Optionee and an NASD Dealer whereby the Optionee irrevocably elects to exercise the Option and to pledge the Shares so purchased to the NASD Dealer in a margin account as security for a loan from the NASD Dealer in the 
 amount of the Exercise Price, and whereby the NASD Dealer irrevocably commits upon receipt of such Shares to forward the total exercise price directly to
the Company; or 

 (d) by any combination of the foregoing. 
 SECTION 8. ADJUSTMENT OF SHARES. 
 (a) General.
In the event of a subdivision of the outstanding Stock, a declaration of a dividend payable in Shares or a combination or consolidation of the outstanding Stock into a lesser number of Shares, corresponding adjustments shall automatically be made in
each of (i) the number of Shares available for future grants under Section 4, (ii) the number of Shares covered by each outstanding Option and (iii) the Exercise Price under each outstanding Option. In the event of a declaration
of an extraordinary dividend payable in a form other than Shares in an amount that has a material effect on the Fair Market Value of the Stock, a recapitalization, a spin-off, a reclassification or a similar occurrence, the Board of Directors at its
sole discretion may make appropriate adjustments in one or more of (i) the number of Shares available for future grants under Section 4, (ii) the number of Shares covered by each outstanding Option or (iii) the Exercise Price
under each outstanding Option. 
 (b) Mergers and Consolidations. In the event that the Company is a party to a merger or
consolidation, all outstanding Options shall be subject to the agreement of merger or consolidation. Such agreement shall provide for one or more of the following: 
 (i) The continuation of such outstanding Options by the Company (if the Company is the surviving corporation). 
 (ii) The assumption of such outstanding Options by the surviving corporation or its parent in a manner that complies with
Section 424(a) of the Code (whether or not such Options are ISOs). 
 (iii) The substitution by the surviving corporation
or its parent of new options for such outstanding Options in a manner that complies with Section 424(a) of the Code (whether or not such Options are ISOs). 
 (iv) Full exercisability of such outstanding Options and full vesting of the Shares subject to such Options, followed by the cancellation
of such Options. The full exercisability of such Options and full vesting of the Shares subject to such Options may be contingent on the closing of such merger or consolidation. The Optionees shall be able to exercise such Options during a period of
not less than five full business days preceding the closing date of such merger or consolidation, unless (A) a shorter period is required to permit a timely closing of such merger or consolidation and (B) such shorter period still offers
the Optionees a reasonable opportunity to exercise such Options. Any exercise of such Options during such period may be contingent on the closing of such merger or consolidation. 

 (v) The cancellation of such outstanding Options and a payment to the Optionees equal to
the excess of (A) the Fair Market Value of the Shares subject to such Options (whether or not such Options are then exercisable or such Shares are then vested) as of the closing date of such merger or consolidation over (B) their Exercise
Price. Such payment shall be made in the form of cash, cash equivalents, or securities of the surviving corporation or its parent with a Fair Market Value equal to the required amount. Such payment may be made in installments and may be deferred
until the date or dates when such Options would have become exercisable or such Shares would have vested. Such payment may be subject to vesting based on the Optionee’s continuing Service, provided that the vesting schedule shall not be less
favorable to the Optionee than the schedule under which such Options would have become exercisable or such Shares would have vested. If the Exercise Price of the Shares subject to such Options exceeds the Fair Market Value of such Shares, then such
Options may be cancelled without making a payment to the Optionees. For purposes of this Paragraph (v), the Fair Market Value of any security shall be determined without regard to any vesting conditions that may apply to such security. 

(c) Reservation of Rights. Except as provided in this Section 8, an Optionee or Purchaser shall have no rights by reason of (i) any
subdivision or consolidation of shares of stock of any class, (ii) the payment of any dividend or (iii) any other increase or decrease in the number of shares of stock of any class. Any issuance by the Company of shares of stock of any
class, or securities convertible into shares of stock of any class, shall not affect, and no adjustment by reason thereof shall be made with respect to, the number or Exercise Price of Shares subject to an Option. The grant of an Option pursuant to
the Plan shall not affect in any way the right or power of the Company to make adjustments, reclassifications, reorganizations or changes of its capital or business structure, to merge or consolidate or to dissolve, liquidate, sell or transfer all
or any part of its business or assets. 
 (d) Effect of Merger with Citrix Systems, Inc. Notwithstanding anything set forth in this Plan to
the contrary, effective upon the Effective Time (as such term is defined in that certain Agreement and Plan of Merger and Reorganization, dated as of August 14, 2007, as amended, by and among the Company, Citrix Systems, Inc., a Delaware
corporation (“Citrix”), PVA Acquisition Corporation, a wholly-owned subsidiary of Citrix, PVA Acquisition LLC, a wholly-owned subsidiary of Citrix, and the stockholder representative named therein (as amended, the “Merger
Agreement”)), (i) no further grants of Options shall be made pursuant to this Plan and (ii) no Options granted under this Plan shall be repriced, or amended or terminated and subsequently regranted, at a lower exercise price per share
than that applicable to the original grant (as adjusted pursuant to the terms of the Merger Agreement) without the prior affirmative vote of a majority of the shares of stock of Citrix present at a stockholders’ meeting in person or by proxy
and entitled to vote thereon. 
 SECTION 9. SECURITIES LAW REQUIREMENTS. 
 (a) General. Shares shall not be issued under the Plan unless the issuance and delivery of such Shares comply with (or are exempt from) all applicable requirements of law, including (without limitation) the
Securities Act of 1933, as amended, the rules and regulations promulgated thereunder, state securities laws and regulations, and the regulations of any stock exchange or other securities market on which the Company’s securities may then be
traded. 
 (b) Financial Reports. The Company each year shall furnish to Optionees, Purchasers and stockholders who have received
Stock under the Plan its balance sheet and income statement, unless such Optionees, Purchasers or stockholders are key Employees whose duties with the Company assure them access to equivalent information. Such balance sheet and income statement need
not be audited. 

 SECTION 10. NO RETENTION RIGHTS. 
 Nothing in the Plan or in any right or Option granted under the Plan shall confer upon the Purchaser or Optionee any right to continue in Service for any period of specific duration or interfere with or otherwise
restrict in any way the rights of the Company (or any Parent or Subsidiary employing or retaining the Purchaser or Optionee) or of the Purchaser or Optionee, which rights are hereby expressly reserved by each, to terminate his or her Service at any
time and for any reason, with or without cause and nothing in the Plan or in any right or Option granted under the Plan shall entitle any Optionee to take into account participation in the Plan in calculating any compensation or damages on the
termination of their employment for whatever reason (whether lawful or unlawful) which might otherwise be payable to the Optionee, and the Optionee’s terms of employment (as applicable) shall be deemed to be varied accordingly. 
 SECTION 11. DURATION AND AMENDMENTS. 
 (a) Term of
the Plan. The Plan, as set forth herein, shall become effective on the date of its adoption by the Board of Directors, subject to the approval of the Company’s stockholders. If the stockholders fail to approve the Plan within 12 months
after its adoption by the Board of Directors, then any grants, exercises or sales that have already occurred under the Plan shall be rescinded and no additional grants, exercises or sales shall thereafter be made under the Plan. The Plan shall
terminate automatically 10 years after the later of (i) its adoption by the Board of Directors or (ii) the most recent increase in the number of Shares reserved under Section 4 that was approved by the Company’s stockholders. The
Plan may be terminated on any earlier date pursuant to Subsection (b) below. 
 (b) Right to Amend or Terminate the Plan. The
Board of Directors may amend, suspend or terminate the Plan at any time and for any reason; provided, however, that any amendment of the Plan shall be subject to the approval of the Company’s stockholders if it (i) increases the number of
Shares available for issuance under the Plan (except as provided in Section 8) or (ii) materially changes the class of persons who are eligible for the grant of ISOs. Stockholder approval shall not be required for any other amendment of
the Plan. If the stockholders fail to approve an increase in the number of Shares reserved under Section 4 within 12 months after its adoption by the Board of Directors, then any grants, exercises or sales that have already occurred in reliance
on such increase shall be rescinded and no additional grants, exercises or sales shall thereafter be made in reliance on such increase. 
 (c) Effect of Amendment or Termination. No Shares shall be issued or sold under the Plan after the termination thereof, except upon exercise of an Option granted prior to such termination. The termination of the Plan, or any
amendment thereof, shall not affect any Share previously issued or any Option previously granted under the Plan. 
 SECTION 12. EMI REQUIREMENTS. 

 (a) Purpose. The grant of EMI Options to selected Employees shall be for the purpose of retaining their services, for genuine
commercial reasons and not as part of a scheme of arrangement the main purpose or one of the main purposes of which is the avoidance of tax. 

 (b) Filing. On the grant of an EMI Option the Company, its Parent or the relevant Subsidiary
(whichever is the employer of the Optionee at the relevant date of grant) shall give to the UK Inland Revenue within 92 days of the date of grant a notice complying with the requirements of Part 7, Schedule 5, ITEPA which should include a
declaration by a director or secretary of the employing entity confirming that the requirements of Schedule 5, ITEPA are met in relation to the EMI Option, the information provided in the notice is to the best of that person’s knowledge and
belief correct and complete and a declaration by the Optionee that the commitment of working time is satisfied in relation to the EMI Option. 
 SECTION
13. DEFINITIONS. 
 (a) “Board of Directors” shall mean the Board of Directors of the Company, as constituted from time
to time. 
 (b) “Code” shall mean the Internal Revenue Code of 1986, as amended. 
 (c) “Committee” shall mean a committee of the Board of Directors, as described in Section 2(a). 
 (d) “Company” shall mean XenSource, Inc., a Delaware corporation. 
 (e) “Consultant” shall mean a person who performs bona fide services for the Company, a Parent or a Subsidiary as a consultant or
advisor, excluding Employees and Outside Directors. 
 (f) “Disability” shall mean that the Optionee is unable to engage in
any substantial gainful activity by reason of any medically determinable physical or mental impairment. 
 (g) “EMI Option”
shall mean an Option which is intended at grant to be a qualifying enterprise management incentive option for the purposes of Schedule 5, ITEPA. 
 (h) “Employee” shall mean any individual who is a common-law employee of the Company, a Parent or a Subsidiary. 
 (i) “Exercise Price” shall mean the amount for which one Share may be purchased upon exercise of an Option, as specified by the Board of Directors in the applicable Stock Option Agreement. 
 (j) “Fair Market Value” shall mean the fair market value of a Share, as determined by the Board of Directors in good faith. Such
determination shall be conclusive and binding on all persons. In the case of an EMI Option only, Fair Market Value shall have the meaning contained in paragraphs 55 and 56 of Schedule 5, ITEPA. 
 (k) “Family Member” shall mean (i) any child, stepchild, grandchild, parent, stepparent, grandparent, spouse, former spouse,
sibling, niece, nephew, mother-in-law, father-in-law, son-in-law, daughter-in-law, brother-in-law or sister-in-law, including adoptive relationships, (ii) any person sharing the Optionee’s household (other than a tenant or employee),
(iii) a trust in which persons described in Clause (i) or (ii) have more than 50% of the beneficial interest, (iv) a foundation in which persons described in Clause (i) or (ii) or the Optionee control the management of
assets and (v) any other entity in which persons described in Clause (i) or (ii) or the Optionee own more than 50% of the voting interests. 

 (l) “ISO” shall mean an employee incentive stock option described in Section 422(b)
of the Code. 
 (m) “ITEPA” shall mean Income Taxes (Earnings and Pensions) Act 2003. 
 (n) “Nonstatutory Option” shall mean a stock option not described in Sections 422(b) or 423(b) of the Code. 
 (o) “Option” shall mean an ISO, Nonstatutory Option or EMI Option granted under the Plan and entitling the holder to purchase Shares.

 (p) “Optionee” shall mean a person who holds an Option. 
 (q) “Outside Director” shall mean a member of the Board of Directors who is not an Employee. 
 (r) “Parent” shall mean any corporation (other than the Company) in an unbroken chain of corporations ending with the Company, if each
of the corporations other than the Company owns stock possessing 50% or more of the total combined voting power of all classes of stock in one of the other corporations in such chain. A corporation that attains the status of a Parent on a date after
the adoption of the Plan shall be considered a Parent commencing as of such date. 
 (s) “Plan” shall mean this XenSource,
Inc. 2005 Stock Plan. 
 (t) “Purchase Price” shall mean the consideration for which one Share may be acquired under the
Plan (other than upon exercise of an Option), as specified by the Board of Directors. 
 (u) “Purchaser” shall mean a person
to whom the Board of Directors has offered the right to acquire Shares under the Plan (other than upon exercise of an Option). 
 (v)
“Service” shall mean service as an Employee, Outside Director or Consultant. 
 (w) “Share” shall mean one
share of Stock, as adjusted in accordance with Section 8 (if applicable). 
 (x) “Stock” shall mean the Common Stock of
the Company, with a par value of $0.0001 per Share. 
 (y) “Stock Option Agreement” shall mean the agreement between the
Company and an Optionee that contains the terms, conditions and restrictions pertaining to the Optionee’s Option. 
 (z) “Stock
Purchase Agreement” shall mean the agreement between the Company and a Purchaser who acquires Shares under the Plan that contains the terms, conditions and restrictions pertaining to the acquisition of such Shares. 
 (aa) “Subsidiary” shall mean any corporation (other than the Company) in an unbroken chain of corporations beginning with the Company,
if each of the corporations other than the last corporation in the unbroken chain owns stock possessing 50% or more of the total combined voting power of all classes of stock in one of the other corporations in such chain. A corporation that attains
the status of a Subsidiary on a date after the adoption of the Plan shall be considered a Subsidiary commencing as of such date.DaVita Inc. Severance Plan

 Exhibit 10.1 
 DAVITA INC. 
 SEVERANCE PLAN 
 DaVita Inc., a Delaware corporation (the “Company”), hereby adopts the DaVita Inc. Severance Plan (this “Plan”) for the benefit of
certain Teammates of the Company and its subsidiaries. 
 This Plan is intended to secure the continued services and ensure the continued
dedication of the Teammates (as defined in Section 1(c)) by providing to such Teammates certain protections in the event of a Qualifying Termination (as defined in Section 1(d)). 
 This Plan is intended to qualify as an employee welfare benefit plan as described in section 3(1) of the Employee Retirement Income Security Act of 1974,
as amended (“ERISA”). 
 1. Definitions. As used in this Plan, the following terms shall have the respective meanings set
forth below: 
 (a) “Code” means the Internal Revenue Code of 1986, as amended. 
 (b) “Company” means DaVita Inc., a Delaware corporation. 
 (c) “Teammate” means any person who is employed by the Company in an position of Vice President or Director. 
 (d) “Qualifying Termination” means the involuntary termination of a Teammate’s employment by the Company under circumstances for which the payment of severance payments and benefits under this Plan is
approved by the Senior Vice President of People Services and the Assistant General Counsel – Labor of the Company; provided, however, that a Teammate will not incur a Qualifying Termination and will not receive severance payments
and benefits under this Plan if (i) the Teammate’s employment is terminated by the Company for any action which the Company, in its sole discretion, determines is for material cause, including, but not limited to, failure to perform job
responsibilities, violation of the Company’s policies and procedures, an act of fraud or dishonesty affecting or involving the Company, or a breach of a material provision of the Teammate’s employment agreement or other similar agreement
with the Company, or (ii) a Teammate in the position of Director is terminated during the first year of the Teammate’s employment with the Company. 
 (e) “Termination Date” with respect to a Teammate means the date on which the Teammate’s employment is terminated by reason of a Qualifying Termination. 
 2. Payments and Benefits Upon Qualifying Termination. If a Teammate shall incur a Qualifying Termination, and the Teammate (or the Teammate’s
executor or other legal representative in the case of the Teammate’s death or disability following such termination) executes and does not revoke a waiver and release agreement substantially in the form of Exhibit 

  

 1 

 
A hereto (the “Waiver and Release”) and a noncompetition, nonsolicitation, confidentiality and cooperation agreement substantially in the form of
Exhibit B hereto (the “Noncompetition Agreement”) within 28 days following the Termination Date, the Company shall provide to the Teammate, as compensation for services rendered to the Company, and in consideration of the covenants set
forth in the Waiver and Release and Noncompetition Agreement, the payments and benefits described in this Section 2. Notwithstanding the foregoing provisions of this Section 2, if, as a result of a Teammate’s termination of employment
on the Termination Date, a Teammate is entitled to severance payments and benefits from the Company or any of its subsidiaries which are not payable pursuant to this Plan, but are payable pursuant to an employment agreement or other compensation
arrangement entered into between such Teammate and the Company or any of its subsidiaries (“Other Severance Payments and Benefits”), the payments and benefits to be received by the Teammate pursuant to this Section 2 shall be reduced
by the amount of the Other Severance Payments and Benefits, if any, received by the Teammate. 
 (a) The Company shall continue to pay to the
Teammate (or the Teammate’s beneficiary or estate, as the case may be), commencing within 14 days following the date of execution of the Waiver and Release and Noncompetition Agreement, the Teammate’s base salary for the applicable period
set forth below based on the Teammate’s job classification and period of service: 
  

					
	 Job Classification
	  	 Period of Service
	  	 Salary Continuation Period

	Vice President	  	Less than one year	  	6 months
	Vice President	  	One year or more	  	12 months
	Director	  	Less than 3 months	  	0-3 months
	Director	  	3 to 24 months	  	3 months
	Director	  	More than 24 months	  	6 months

 The applicable salary continuation period set forth above may be extended in the sole discretion of the Chief
Executive Officer or Chief Operating Officer of the Company. 
 (b) The Company shall provide outplacement assistance to the Teammate, the
nature of which will be at the Company’s discretion. 
 (c) The Teammate’s stock options, restricted stock units, other stock-based
awards, and other long-term incentives shall be treated in accordance with the terms of any agreements that Teammate has previously entered into with the Company concerning these benefits. 
 3. Delay of Payments. In the event that any payment or distribution to be made to a Teammate hereunder is determined to constitute “deferred
compensation” subject to Section 409A of the Code, and the Teammate is determined to be a “specified employee” (as defined in Section 409A of the Code), such payment or distribution shall not be made before the date which is
six months after the termination of the Teammate’s employment (or, if earlier, the date of the Teammate’s death). 
  

 2 

 4. Plan Administration; Claims Procedure. 
 (a) This Plan shall be interpreted and administered by the Company, or if the Company has delegated its authority to interpret and administer this Plan,
by the person or persons appointed by the Company from time to time to interpret and administer this Plan (the “Plan Administrator”), who shall have complete authority, in his or her sole discretion subject to the express provisions of
this Plan, to make all determinations necessary or advisable for the administration of this Plan. All questions arising in connection with the interpretation of this Plan or its administration shall be submitted to and determined by the Plan
Administrator in a fair and equitable manner in accordance with the procedure for claims and appeals described in Section 4(b). 
 (b)
Any Teammate whose employment has been terminated who believes that he or she is entitled to receive benefits under this Plan, including benefits other than those initially determined by the Plan Administrator to be payable, may file a claim in
writing with the Plan Administrator, specifying the reasons for such claim. The Plan Administrator shall, within 90 days after receipt of such written claim (unless special circumstances require an extension of time, but in no event more than 180
days after such receipt), send a written notification to the Teammate as to the disposition of such claim. Such notification shall be written in a manner calculated to be understood by the claimant and in the event that such claim is denied in whole
or in part, shall (i) state the specific reasons for the denial, (ii) make specific reference to the pertinent Plan provisions on which the denial is based, (iii) provide a description of any additional material or information
necessary for the Teammate to perfect the claim and an explanation of why such material or information is necessary, and (iv) set forth the procedure by which the Teammate may appeal the denial of such claim. The Teammate (or his or her duly
authorized representative) may request a review of the denial of any such claim or portion thereof by making application in writing to the Plan Administrator within 60 days after receipt of such denial. Such Teammate (or his or her duly authorized
representative) may, upon written request to the Plan Administrator, review any documents pertinent to such claim, and submit in writing issues and comments in support of such claim. Within 60 days after receipt of a written appeal (unless special
circumstances require an extension of time, but in no event more than 120 days after such receipt), the Plan Administrator shall notify the Teammate of the final decision with respect to such claim. Such decision shall be written in a manner
calculated to be understood by the claimant and shall state the specific reasons for such decision and make specific references to the pertinent Plan provision on which the decision is based. 
 (c) The Plan Administrator may from time to time delegate any of his or her duties hereunder to such person or persons as the Plan Administrator may
designate. The Plan Administrator is empowered, on behalf of this Plan, to engage accountants, legal counsel and such other persons as the Plan Administrator deems necessary or advisable for the performance of his or her duties under this Plan. The
functions of any such persons engaged by the Plan Administrator shall be limited to the specified services and duties for which they are engaged, and such persons shall have no other duties, obligations or responsibilities under this Plan. Such
persons shall exercise no discretionary authority or discretionary control respecting the administration of this Plan. All reasonable fees and expenses of such persons shall be borne by the Company. 
  

 3 

 5. Withholding Taxes. The Company will withhold from all payments due under this Plan to each
Teammate (or the Teammate’s beneficiary or estate) all taxes which, by applicable federal, state, local or other law, the Company is required to withhold therefrom. 
 6. Amendment. The Company shall have the right, in its sole discretion, pursuant to action by the Chief Executive Officer of the Company, to amend this Plan in any respect; provided, however, that
no amendment may reduce any severance payments or benefits due hereunder with respect to a Teammate who previously incurred a Qualifying Termination and who has not forfeited such payments and benefits pursuant to the Noncompetition Agreement. In
the event that this Plan is determined to be a “deferred compensation plan” subject to Section 409A of the Code, the Committee shall, as necessary, adopt such conforming amendments as are necessary to comply with Section 409A of
the Code without reducing the payments and benefits due to the Teammates hereunder. 
 7. Effect of Plan. Any amount payable pursuant
to this Plan shall be reduced by any other amount of severance relating to salary continuation or any other continuation of medical coverage to be received by the Teammate upon termination of employment of the Teammate under any severance plan,
policy or arrangement of the Company. Subject to the foregoing and to the provisions of Sections 2 and 8 hereof, the rights of, and benefits payable to, a Teammate pursuant to this Plan are in addition to any rights of, or benefits payable to, a
Teammate under any other Teammate benefit plan or compensation program of the Company. All rights of a Teammate under any such plan or program shall be determined in accordance with the provisions of such plan or program. 
 8. Offset; Mitigation. 
 (a) If the
Company is obligated by law or contract to pay severance pay, notice pay or other similar benefits, or if the Company is obligated by law to provide advance notice of separation (“Notice Period”), then any payments hereunder shall be
reduced by the amount of any such severance pay, notice pay or other similar benefits, as applicable, and by the amount of any severance pay, notice pay or other similar benefits received during any Notice Period. 
 (b) Any amount payable pursuant to this Plan shall also be reduced by any amount of compensation received by the Teammate from another employer (as a
Teammate, consultant, or independent contractor) during the applicable salary continuation period set forth in Section 2(a) hereof. Teammate may not defer compensation with his new employer or client or take any other action in an effort to
avoid the dollar-for-dollar reduction required by this Plan, and that if Teammate does take such action, the benefits under this Plan may be reduced by the Plan Administrator in its sole discretion. 
 (c) A Teammate who is entitled to receive severance payments and benefits hereunder shall be obligated to seek other employment and to take all other
reasonable actions so as to mitigate the amounts payable and the benefits to be provided to such Teammate under any of the provisions of this Plan. 
  

 4 

 9. Unfunded Plan. This Plan shall not be funded. No Teammate entitled to benefits hereunder shall
have any right to, or interest in, any specific assets of the Company, but a Teammate shall have only the rights of a general creditor of the Company to receive benefits on the terms and subject to the conditions provided in this Plan. 

10. Payments to Minors, Incompetents and Beneficiaries. Any benefit payable to or for the benefit of a minor, an incompetent person or other
person incapable of giving a receipt therefor shall be deemed paid when paid to such person’s guardian or to the party providing or reasonably appearing to provide for the care of such person, and such payment shall fully discharge the Company,
the Plan Administrator and all other parties with respect thereto. If a Teammate shall die while any amounts would be payable to the Teammate under this Plan had the Teammate continued to live, all such amounts, unless otherwise provided herein,
shall be paid in accordance with the terms of this Plan to such person or persons appointed in writing by the Teammate to receive such amounts or, if no person is so appointed, to the estate of the Teammate. 
 11. Non-Assignability. None of the payments, benefits or rights of any Teammate shall be subject to any claim of any creditor, and, in particular,
to the fullest extent permitted by law, all such payments, benefits and rights shall be free from attachment, garnishment, trustee’s process or any other legal or equitable process available to any creditor of such Teammate. Except as otherwise
provided herein or by law, no right or interest of any Teammate under this Plan shall be assignable or transferable, in whole or in part, either directly or by operation of law or otherwise, including without limitation by execution, levy,
garnishment, attachment or pledge; no attempted assignment or transfer thereof shall be effective; and no right or interest of any Teammate under this Plan shall be subject to any obligation or liability of such Teammate. 
 12. No Rights to Continued Employment. Neither the adoption of this Plan, nor any amendment hereof, nor the creation of any fund, trust or
account, nor the payment of any benefits, shall be construed as giving any Teammate the right to be retained in the service of the Company, and all Teammates shall remain subject to discharge to the same extent as if this Plan had not been adopted.

 13. Successors; Binding Agreement. This Plan shall inure to the benefit of and be binding upon the beneficiaries, heirs, executors,
administrators, successors and assigns of the parties, including each Teammate, present and future, and any successor to the Company or one of its subsidiaries. This Plan shall not be terminated by any merger or consolidation of the Company whereby
the Company is or is not the surviving or resulting corporation or as a result of any transfer of all or substantially all of the assets of the Company. In the event of any such merger, consolidation or transfer of assets, the provisions of this
Plan shall be binding upon the surviving or resulting corporation or the person or entity to which such assets are transferred. The Company agrees that concurrently with any merger, consolidation or transfer of assets referred to in this
Section 16, it will cause any surviving or resulting corporation or transferee unconditionally to assume all of the obligations of the Company hereunder. 
  

 5 

 14. Headings. The headings and captions herein are provided for reference and convenience only,
shall not be considered part of this Plan and shall not be employed in the construction of this Plan. 
 15. Notices. Any notice or
other communication required or permitted pursuant to the terms hereof shall have been duly given when delivered or mailed by United States mail, first class, postage prepaid, addressed to the intended recipient at his, her or its last known
address. 
 16. Effective Date and Term. This Plan shall be effective as of the date hereof and shall end on the date on which this
Plan is terminated by the Company; provided that this Plan and the obligations of the Company hereunder shall not terminate with respect any severance payments or benefits due hereunder with respect to a Teammate who previously incurred a Qualifying
Termination and who has not forfeited such payments and benefits pursuant to the Noncompetition Agreement until such obligations have been fully satisfied by the Company. 
 17. Employment with, and Action by, Subsidiaries. For purposes of this Plan, employment with the Company or actions taken by the Company with respect to the Teammate shall include employment with or actions
taken by any corporation or other entity in which the Company has a direct or indirect ownership interest of 50% or more of the total combined voting power of the then outstanding securities of such corporation or other entity entitled to vote
generally in the election of directors. 
  

 6 

 18. Governing Law; Validity. This Plan shall be governed by, and construed and enforced in
accordance with, the internal laws of the State of Delaware (without regard to principles of conflicts of laws) to the extent not preempted by ERISA or other Federal law, which shall otherwise control. If any provision of this Plan shall be held
invalid or unenforceable, such invalidity or unenforceability shall not affect any other provision hereof, and this Plan shall be construed and enforced as if such provision had not been included. 
  

 7 

 EXHIBIT A 
 TO PLAN 
 WAIVER AND RELEASE AGREEMENT 
 1. In satisfaction of the condition to receive the payments (other than the payment of accrued wages and reimbursable expenses incurred as an employee of
DaVita Inc. (the “Company”), which I acknowledge have previously been fully paid) and benefits described in the DaVita Inc. Severance Plan (the “Plan”), I,
                                        
                        , on behalf of my spouse, heirs, executors, administrators, attorneys and assigns, hereby waive,
release and forever discharge the Company, together with the Company’s directors, subsidiaries, divisions and affiliates, whether direct or indirect, its and their joint ventures and joint venturers (including each of their respective
directors, officers, employees, shareholders, members, partners and agents, past, present, and future), and each of its and their respective successors and assigns (hereinafter collectively referred to as “Releasees”), from any and all
known or unknown actions causes of action, claims or liabilities of any kind that have or could be asserted against the Releasees arising out of or related to my employment with and/or separation from employment and all other positions with the
Company and/or any of the other Releasees and/or any other occurrence up to and including the date of this Waiver and Release Agreement (“Release”), including but not limited to: 
  

	 	(a)	claims, actions, causes of action or liabilities arising under Title VII of the Civil Rights Act of 1964, as amended, the Age Discrimination in Employment Act of 1967, as amended,
the Older Workers’ Benefit Protection Act, the Civil Rights Act of 1991, as amended, the Equal Pay Act of 1962, the Fair Labor Standards Act, the Employee Retirement Income Security Act of 1974, as amended, the Americans with Disabilities Act
of 1990, as amended, the Family and Medical Leave Act of 1993, as amended, the National Labor Relations Act, as amended, Insert state discrimination, wage, and other relevant laws, and/or any other federal, state, municipal or local
employment discrimination statutes or ordinances (including, but not limited to, claims based on age, sex, attainment of benefit plan rights, race, religion, national origin, marital status, sexual orientation, ancestry, harassment, parental status,
handicap, disability, retaliation, and veteran status); and/or 

  

	 	(b)	claims, actions, causes of action or liabilities arising under any other federal, state, municipal, or local statute, law, ordinance or regulation; and/or 

 

	 	(c)	 any other claim whatsoever including, but not limited to, claims for severance pay, sick pay, unpaid wages, unpaid bonuses, unpaid paid time off, claims based upon
breach of contract, breach of the covenant of good faith and fair dealing, wrongful termination, defamation, interference with contract, intentional and/or negligent infliction of emotional distress, fraud, tort, personal injury, invasion of
privacy, violation of public policy, negligence and/or any other common law, statutory or other claim whatsoever arising out of or relating to my employment 

  

 8 

	 	 
with and/or separation from employment with the Company and/or any of the other Releasees, 

 but excluding any claims which by law I cannot waive, and any claim that the Company has failed to make any payments or to provide any of the benefits pursuant to the
Plan. 
 2. I also agree never to sue any of the Releasees or become party to a lawsuit on the basis of any claim of any type whatsoever
arising out of or related to the claims released above. 
 3. I further acknowledge and agree that if I breach the provisions of paragraph
(2) above, then, to the fullest extent permitted by law, (a) the Company shall be entitled to apply for and receive an injunction to restrain any violation of paragraph (2) above, (b) the Company shall not be obligated to make
any additional payments or provide any additional benefits under the Plan, (c) I shall be obligated to pay to the Company its costs and expenses in enforcing this Release and defending against such lawsuit (including court costs, expenses and
reasonable legal fees), and (d) as an alternative to (c), at the Company’s option, I shall be obligated upon demand to repay to the Company all of the payments (other than accrued base salary, unused vacation and accrued reimbursable
expenses) paid to me under the Plan. I further agree that the foregoing covenants in this paragraph (3) shall not affect the validity of this Release and shall not be deemed to be a penalty nor a forfeiture. 
 4. To the extent permitted by law, I further waive my right to any monetary recovery should any federal, state, or local administrative agency or any
other person or entity pursue any claims on my behalf arising out of or related to any of the claims released above. Should I file a lawsuit based on any claim that I cannot waive due to public policy or should such a lawsuit be filed by or on
behalf of a third party, including, but not limited to, the government, I agree to donate any monies that I might be entitled to or receive from such lawsuit to The Kidney TRUST. 
 5. To the extent permitted by law, I further waive, release, and discharge Releasees from any reinstatement rights which I have or could have and I
acknowledge that I have not suffered any on the job injury for which I have not already filed a claim. 
 6. I expressly represent and
warrant that I am the sole owner of the actual or alleged claims, demands, rights, causes of action, and other matters that are released by me herein; that the same have not been transferred or assigned or caused to be transferred or assigned to any
other person, firm, corporation or other legal entity; and that I have the full right and power to grant, execute and deliver the releases, undertakings, and agreements contained herein. I further represent and warrant that I am unaware of any lien
that has been noticed or filed and that would attach to any payment or benefit to be made or given by the Company pursuant to the Plan. I agree to indemnify the Releasees, including payment of any attorneys’ fees and costs, and hold the
Releasees harmless from and against any and all damages which may be suffered by them in the event that any of the foregoing representations and warranties are untrue in whole or part, and any and all claims based on or arising from any such
assignment or transfer, or any attempted assignment or transfer, of any matters released herein. 
  

 9 

 7. I understand that this Release includes a release of all known and unknown claims. [For
teammates age 40 or older add, including claims under the Federal Age Discrimination in Employment Act.] 
 8. [For CA teammates only]
It is my intention that the releases contained herein be general in nature and as broad as may be granted under applicable law, and that this Release fully and finally settle and forever resolve all of the matters released herein, even those
which are unknown, unanticipated, or unsuspected. I hereby expressly waive all benefits and protections I may have under Section 1542 of the Civil Code of California, as well as under any other statutes, legal decisions, or common law
principles of similar effect (“Similar Provisions”) to the extent that such benefits or protections may contravene the provisions of this Release. Section 1542 of the Civil Code of California states: 
 A GENERAL RELEASE DOES NOT EXTEND TO CLAIMS WHICH THE CREDITOR DOES NOT KNOW OR SUSPECT TO EXIST IN HIS FAVOR AT THE TIME OF EXECUTING THE RELEASE, WHICH
IF KNOWN BY HIM MUST HAVE MATERIALLY AFFECTED HIS SETTLEMENT WITH THE DEBTOR. 
 9. [For CA teammates only] I expressly and knowingly
acknowledge that I or my attorneys may hereafter discover facts, circumstances, claims, damages, or law different from or in addition to those which I or they now know or believe to exist, be true, or be applicable with respect to this Release, the
matters released herein, and/or the Releasees, but agree that this Release shall nonetheless be and remain fully effective according to its terms. Thus, notwithstanding the provisions of Section 1542 or any Similar Provisions, I represent,
warrant, and covenant that it is my intention hereby fully, finally, and forever to settle and release all matters released herein, including those which I do not know of or suspect to exist in my favor at the time of executing this Release. I
hereby acknowledge that the foregoing waiver of Section 1542 and Similar Provisions was separately bargained for and is a key element of this Release. 
 10. [For teammates age 40 or older] I acknowledge that this Release does not waive any right or claim that I may have under the Age Discrimination in Employment Act, as amended by the Older Workers Benefits
Protection Act, that arise after the date of execution of this Release, with the understanding that any claim that I may have based upon my separation from employment with the Company has arisen prior to the execution of this Release. I also
acknowledge that I must execute this Release in order to obtain the severance under the Plan. 
 11. [For Teammates age 40 or older] I
acknowledge that I have had at least twenty-one (21) calendar days after the receipt of this Release to consider signing this Release and that I may voluntarily choose to waive this 21-day period. In addition, I have seven (7) calendar
days after signing this Release to revoke it, in which case this Release will be null and void. Any such revocation must be in writing and be submitted to the Company’s Vice President and General Counsel, within such seven (7) day period.
I understand that if I sign this Release and do not 

  

 10 

 
revoke it within seven (7) calendar days after signing, this Release will become fully effective and enforceable. I also understand that no payments
(other than the payment of accrued base salary, unused vacation and reimbursable expenses which I acknowledge have previous been fully paid) will be paid to me under the Plan until the seven (7) calendar day revocation period has expired
without my having revoked this Release. 
 12. I further acknowledge and agree that I have carefully read and fully understand all of the
provisions of this Release and that I have been advised to obtain or have obtained representation by counsel in connection with my execution of this Release and that I have voluntarily executed this Release by signing below. 
 13. I acknowledge and agree that if any provision of this Release is found, held or deemed by a court of competent jurisdiction to be void, unlawful or
unenforceable under any applicable statute or controlling law, the remainder of this Release shall continue in full force and effect. 
 14.
I agree that this Release shall be governed by and construed and enforced in accordance with the laws of the State of                     
without giving effect to the conflict of laws principles thereof. 
  

	
	
	  
	
	  
	(Date)

  

 11 

 EXHIBIT B 
 TO PLAN 
 NONCOMPETITION, NONSOLICITATION, CONFIDENTIALITY 
 AND COOPERATION AGREEMENT 
 This
Noncompetition, Nonsolicitation, Confidentiality and Cooperation Agreement (this “Noncompetition Agreement”) is executed by DaVita Inc., a Delaware corporation (the “Company”), and
                                 (the “Employee”) on this
         day of                     , 200    , pursuant to
Section 2 of and is an integral part of the DaVita Inc. Severance Plan (the “Plan”). 
 WHEREAS, the Employee is a participant
in the Plan and the Employee’s employment with the Company and its subsidiaries is terminating; 
 WHEREAS, the Employee acknowledges
that the benefits to be provided to the Employee under the Plan are in consideration of, and are sufficient to support, the covenants set forth in this Noncompetition Agreement; and 
 WHEREAS, the Employee understands that the Company regards the representations and covenants by the Employee in this Noncompetition Agreement as material
and that the Company is relying on such representations and covenants in paying amounts to the Employee pursuant to the Plan. 
 NOW,
THEREFORE, the Company and the Employee hereby agree as follows: 
 1. Severance Benefits. The Employee’s employment with the
Company and its subsidiaries shall terminate on             , and the Employee shall receive the severance benefits set forth in the Plan in accordance with the terms and subject to
the conditions thereof. 
 2. Noncompetition; Nonsolicitation. (a) General. The Employee acknowledges that in the course
of the Employee’s employment with the Company the Employee has become familiar with trade secrets and other confidential information concerning the Company and its subsidiaries, that the Employee’s services were of special, unique and
extraordinary value to the Company and its affiliates, and that but for Employee’s employment with the Company, Employee would not have had access to the Company’s trade secrets or other confidential information. 
 (b) Noncompetition. The Employee agrees that during the period commencing on the Employee’s Termination Date (as defined in the Plan)
and ending at the end of the salary continuation period applicable to the Employee under Section 2(a) of the Plan (the “Noncompetition Period”), the Employee shall not: (i) be an officer, director, consultant, partner, owner,
stockholder, employee, creditor, agent, trustee, independent contractor, director, or advisor on a paid or unpaid basis of any individual, partnership, limited liability company, corporation, independent practice association, management services
organization, or any other entity (collectively, “Person”) that is within the United States (for VP or business officer teammate)/within a 50-mile radius of the territory that Employee was responsible for (for 

  

 12 

 
RODs) and that is either is in the business of or, directly or indirectly, derives any economic benefit from providing, arranging, offering, managing,
or subcontracting dialysis services or renal care services; (ii) directly or indirectly, own, manage, control, operate, invest in, acquire an interest in, or otherwise engage in, act for, or act on behalf of any Person (other than the Company
and its subsidiaries and affiliates) engaged in any activity within the United States (for VP or business officer teammate)/within a 50-mile radius of the territory that Employee was responsible for (for RODs), where such activity is similar
to or competitive with the activities carried on by the Company or any of its subsidiaries or affiliates; (iii) be an officer, director, consultant, partner, owner, stockholder, employee, creditor, agent, trustee, independent contractor,
director, or advisor on a paid or unpaid basis of and Person that has been or may currently be a supplier to or client of the Company; or (iv) be an officer, director, consultant, partner, owner, stockholder, employee, creditor, agent, trustee,
independent contractor, director, or advisor on a paid or unpaid basis for any physician group, affiliated physician group, or physician partners who provide nephrology-related services. As used herein, the term “dialysis services” or
“renal care services” includes, but shall not be limited to, all dialysis services and nephrology-related services provided by the Company at any time during the period of Employee’s employment, including, but not limited to,
hemodialysis, acute dialysis, apheresis services, peritoneal dialysis of any type, staff-assisted hemodialysis, home hemodialysis, dialysis-related laboratory and pharmacy services, access-related services, drug purchasing, drug distribution, Method
II dialysis supplies and services, nephrology practice management, vascular access services, disease management services, pre-dialysis education, ckd services, or renal physician/center network management, and any other services or treatment for
persons diagnosed as having end stage renal disease (“ESRD”) or pre-end stage renal disease, including any dialysis services provided in an acute hospital. The term “ESRD” shall have the same meaning as set forth in Title 42,
Code of Federal Regulations 405.2101 et seq. or any successor thereto. Employee acknowledges that the nature of the Company’s activities is such that competitive activities could be conducted effectively regardless of the geographic
distance between the Company’s place of business and the place of any competitive business. Notwithstanding anything herein to the contrary, such activities shall not include the ownership of 1% or less of the issued and outstanding stock,
which is purchased in the open market, of a public company that conducts business that is similar to or competitive with the business carried on by the Company or any of its subsidiaries or affiliates. 
 Notwithstanding anything set forth herein, Employee shall not be prohibited from being employed (as an employee or independent contractor) by any Person
that provides dialysis services and/or renal care services, as those terms as defined above, so long as such services constitutes no more than 5% of that Person’s total business operations and so long as Employee has no authority over,
responsibility for, oversight of, connection with, or involvement in anyway in the dialysis services and/or renal care services provided by that Person. 
 Employee acknowledges and agrees that the geographical limitations and duration of this covenant not to compete is reasonable. [For VPs and CBOs Directors add: In particular, Employee agrees that his/her
position is national in scope and that he/she will have an impact on every location where the Company currently conducts and will conduct business. Therefore, Employee acknowledges and agrees that, like his position, this covenant cannot be limited
to any particular geographic region.]  
  

 13 

 (c) Nonsolicitation. The Employee further agrees that during the Noncompetition Period the
Employee shall not (i) solicit any of the Company’s employees to work for any Person, (ii) hire any of the Company’s employees to work (as an employee or an independent contractor) for any Person, (iii) take any action that
may reasonably result in any of the Company’s employees going to work (as an employee or an independent contractor) for any Person, (iv) induce any patient or customer of the Company, either individually or collectively, to patronize any
competing dialysis facility; (v) request or advise any patient, customer, or supplier of the Company to withdraw, curtail, or cancel such person’s business with the Company; (vi) enter into any contract the purpose or result of which
would benefit Employee if any patient or customer of the Company were to withdraw, curtail, or cancel such person’s business with the Company; (vii) solicit, induce, or encourage any physician (or former physician) affiliated with the
Company or induce or encourage any other person under contract with the Company to curtail or terminated such person’s affiliation or contractual relationship with the Company; (viii) disclose to any Person the names or addresses of any
patient or customer of the Company or of any physician (or former physician) affiliated with the Company; or (ix) disparage the Company or any of its agents, employees, or affiliated physicians in any fashion. 
 (d) Reformation. If, at any time of enforcement of this Section 2 a court holds that the restrictions stated herein are unreasonable under
circumstances then existing, the Employee agrees that the maximum period, scope or geographical area reasonable under such circumstances shall be substituted for the stated period, scope or area and that the court shall be allowed to revise the
restrictions contained herein to cover the maximum period, scope and area permitted by law. This Noncompetition Agreement shall not authorize a court to increase or broaden any of the restrictions in this Section 2. 
 3. Confidentiality. (a) Employee acknowledges and agrees that: (i) in the course of his employment by the Company, it will or may be
necessary for Employee to create, use, or have access to (A) technical, business, or customer information, materials, or data relating to the Company’s present or planned business that has not been released to the public with the
Company’s authorization, including, but not limited to, confidential information, materials, or proprietary data belonging to the Company or relating to the Company’s affairs (collectively, “Confidential Information”) and
(B) information and materials that concern the Company’s business that come into the Company’s possession by reason of employment with the Company (collectively, “Business Related Information”); (ii) all Confidential
Information and Business Related Information are the property of the Company; (iii) the use, misappropriation, or disclosure of any Confidential Information or Business Related Information would constitute a breach of trust and could cause
serious and irreparable injury to the Company; and (iv) it is essential to the protection of the Company’s goodwill and maintenance of the Company’s competitive position that all Confidential Information and Business Related
Information be kept confidential and that Employee not disclose any Confidential Information or Business Related Information to others or use Confidential Information or Business Related Information to Employee’s own advantage or the advantage
of others. 
 (b) In recognition of the acknowledgment contained in Section 3(a) above, Employee agrees that until the Confidential
Information and/or Business Related Information 

  

 14 

 
becomes publicly available (other than through a breach by Employee), Employee shall: (i) hold and safeguard all Confidential Information and Business
Related Information in trust for the Company, its successors, and assigns; (ii) not appropriate or disclose or make available to anyone for use outside of the Company’s organization at any time, either during employment with the Company or
subsequent to the termination of employment with the Company for any reason, any Confidential Information and Business Related Information, whether or not developed by Employee, except as required in the performance of Employee’s duties to the
Company; (iii) keep in strictest confidence any Confidential Information or Business Related Information; and (iv) not disclose or divulge, or allow to be disclosed or divulged by any person within Employee’s control, to any person,
firm, or corporation, or use directly or indirectly, for Employee’s own benefit or the benefit of others, any Confidential Information or Business Related Information. 
 (c) Employee agrees that all lists, materials, records, books, data, plans, files, reports, correspondence, and other documents (“Company
material”) used or prepared by, or made available to, Employee shall be and remain property of Employer. Upon termination of employment, Employee shall immediately return all Company material to the Company, and Employee shall not make or
retain any copies or extracts thereof. 
 (d) Employee also agrees that he or she will not become employed by or enter into service with any
Person in which he or she will be obligated to disclose or use any Confidential Information or Business Related Information, or where such disclosure would be inevitable because of the nature of the position. He also agrees that he will not provide
advice to any Person concerning Confidential Information or Business Related Information or provide advice to any Person concerning the negotiation of any agreements with the Company. Similarly, he will not negotiate any agreements on behalf of any
Person with the Company. Employee shall confirm, in writing, that he is complying with the terms of this provision in response to any inquiry by the Company. 
 4. Cooperation. The Employee agrees that the Employee will be reasonably available to the Company and its affiliates during the Noncompetition Period for interviews by the Company or its affiliates and to
respond to requests by the Company or its affiliates for information pertaining to or relating to the Employee’s compliance with this Noncompetition Agreement. The Employee will cooperate fully with the Company in connection with the transition
of his duties and with any and all existing or future litigation or investigations brought by or against the Company or any its affiliates in which and to the extent the Company deems the Employee’s cooperation necessary. Such cooperation shall
include, but not be limited to, participating in interviews with representatives of the Company, attending, as a witness, depositions, trials, or other similar proceedings without requiring a subpoena, and producing and/or providing any documents or
names of other persons with relevant information. The Employee understands that the Company will reimburse the Employee for reasonable out-of-pocket expenses incurred as a result of such cooperation. The Employee will act in good faith to furnish
the information and cooperation required by this Section 4 and the Company will act in good faith so that the requirement to furnish such information and cooperation does not create a hardship for the Employee. 
  

 15 

 5. Compliance. In addition to filling out the Compliance Questionnaire, below, Employee agrees to
be available to participate in an exit interview with the Company’s Corporate Compliance Department or its designee. In the event an interview is desired, at the sole discretion of the Company, the Company will contact the Employee to establish
a mutually agreeable time for the interview. The Employee is required to answer any questions fully and completely, and a failure to do so is a material breach of this Agreement. 
 6. Enforcement. The Employee agrees that any remaining severance payments and benefits of the Employee under the Plan shall be forfeited, and any
amounts previously received by the Employee under the Plan shall be repaid by the Employee to the Company, if the Employee breaches any provision of Section 2 or 3 or 4 or 5 of this Noncompetition Agreement and further acknowledges that the
Company and its subsidiaries would be damaged irreparably in the event that any provision of Section 2 or 3 or 4 or 5 of this Noncompetition Agreement were not performed in accordance with its terms or were otherwise breached and that money
damages would be an inadequate remedy for any such nonperformance or breach. Accordingly, the Employee agrees that the Company and its successors and permitted assigns shall be entitled, in addition to the forfeiture of the Employee’s remaining
severance payments and benefits under the Plan, to an injunction or injunctions to prevent any breach or threatened breach of any of such provisions and to enforce such provisions specifically (without posting a bond or other security). 

7. Entire Agreement. The Plan, the Waiver and Release (as such term is defined in the Plan), this Noncompetition Agreement constitute the
entire understanding between the parties. The Employee has not relied on any oral statements that are not included in the Plan, the Waiver and Release, this Noncompetition Agreement or the Release of Severance Payments and Benefits. 
 8. Severability. If any provision of this Noncompetition Agreement shall be held invalid or unenforceable, such invalidity or unenforceability
shall not affect any other provision hereof, and this Noncompetition Agreement shall be construed and enforced as if such provision had not been included. 
  

 16 

 9. Governing Law. This Noncompetition Agreement shall be governed by, and construed and enforced
in accordance with, the internal laws of the State of Delaware (without regard to principles of conflicts of laws) to the extent not preempted by the Employee Retirement Income Security Act of 1974, as amended, or other Federal law, which shall
otherwise control. 
 IN WITNESS WHEREOF, the Company has caused this Noncompetition Agreement to be executed by a duly authorized officer of
the Company and the Employee has executed this Noncompetition Agreement as of the day and year first above written. 
  

			
	DAVITA INC.
		
	By:	 	 
	
	 EMPLOYEE

	
	 
	 [Employee’s Name]

  

 17 

 INTEROFFICE MEMORANDUM 
  

  

			
	TO:	  	NAME
		
	FROM:	  	
		
	SUBJECT:	  	COMPLIANCE
		
	DATE:	  	

  

 DaVita Inc. takes its obligations to comply with federal and state laws and regulations seriously. We are committed to investigating and correcting any suspected instances of non-compliance that may exist in the Company, which may have
arisen while you were employed by DaVita Inc. To that end, I am asking you to answer the questions set forth below. Your answer should be based on any suspicion that you may have had while employed by DaVita Inc. Because this is such an important
issue, you will not receive any severance payment, if you are entitled to such payment, until you have answered these questions and returned this memorandum to me. The amount of your severance payment, however, will not be affected by
how you answer these questions. We want you to answer these questions honestly and completely. I thank you in advance for your cooperation and wish you the best of luck. 
 COMPLIANCE QUESTIONS 
  

			
	 1)
	  	Please check one of the following:
		
		  	 ̈     No, I am not aware of any suspected violation of any federal
or state law or regulation.
		
		  	 ̈     Yes, I am aware of a suspected violation of federal or state
laws or regulations.
		
	 2)
	  	If your answer to No. 1 was “Yes,” please set forth, in as much detail as possible, what violations(s) you are aware of and the factual basis for your answer (attach paper if
you need to):
		  	_______________________________________________________________________________________________________
		  	_______________________________________________________________________________________________________
		  	_______________________________________________________________________________________________________
		  	_______________________________________________________________________________________________________
		  	_______________________________________________________________________________________________________
		  	_______________________________________________________________________________________________________
		  	_______________________________________________________________________________________________________

 I certify that the above is true and correct. 
  

							
	 	  		  	 	  	
	NAME	  		  	Date

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