Document:

EX-10.1

 Exhibit 10.1 

DENDREON CORPORATION 

EXECUTIVE EMPLOYMENT AGREEMENT 

This Executive Employment Agreement (this “Agreement”) is effective as of July 28, 2014
(“Effective Date”), by and between Dendreon Corporation, a Delaware corporation (the “Company”), and W. Thomas Amick (“Employee”).  

The parties agree as follows: 

1. Employment. The Company hereby employs Employee as Chief Executive Officer, and Employee hereby accepts such
employment, upon the terms and conditions set forth in this Agreement. 
 2. Duties. 

2.1 Position. Employee shall perform such duties as are customary for the position of Chief Executive Officer at companies of
the Company’s size and nature in the United States and any additional duties that the Board of Directors of the Company (the “Board”) may reasonably prescribe from time to time and which are consistent with
Employee’s position. Employee shall devote Employee’s full business time and efforts to the performance of Employee’s assigned duties for the Company, provided, however, that Employee may devote reasonable periods of
time to (a) serving on the board of directors of other corporations subject to the prior approval of the Board and (b) engaging in charitable or community service activities, so long as none of the foregoing additional activities
materially interfere with Employee’s duties under this Agreement. As soon as practicable following the Effective Date, Employee shall be appointed as a member of the Board. 

2.2 Work Location. Employee’s principal place of work shall be located in Bridgewater, NJ, or such other location as the
parties may agree upon from time to time. 
 3. Term. The employment relationship pursuant to this Agreement shall
begin on the Effective Date, will be for no specified term, and may be terminated by Employee or the Company at any time, with or without Good Reason or Cause (as defined in Section 6), as applicable, subject to the provisions regarding
termination set forth in Section 6. 
 4. Compensation. 

4.1 Base Salary. As compensation for Employee’s performance of his duties under this Agreement, the Company shall pay
Employee a base salary (“Base Salary”), which shall initially equal six hundred thousand dollars and 18 cents ($600,000.18) per calendar year, payable in accordance with the normal payroll practices of the Company, less
required deductions for state and federal withholding tax, social security and all other required employment taxes and payroll deductions. For purposes of Section 6 hereof, Employee’s Base Salary shall be the current Base Salary as of the
date of his termination of employment (the “Termination Date”). The Base Salary may not be reduced unless the base salaries of all other employees of the Company at the Vice President level and above are proportionally
reduced and in the case of such reduction, Base Salary shall not be reduced by more than 10%. 

 4.2 Incentive Compensation. Within thirty (30) days after the end of each
calendar year, if the Company and Employee meet specified targets agreed upon in advance by the Board, Employee shall be entitled to receive a target bonus of sixty seven percent (67%) of the Base Salary (the “Annual
Bonus”) as determined by the Board, in its sole discretion such amount to be pro-rated for the remainder of the 2014 calendar year. Employee must be currently employed by the Company as of the date of payment of any Annual Bonus in
order to be entitled to such payment. If the Company and Employee do not fully meet such targets, the Company may pay Employee a bonus of such amount as the Board deems appropriate in its sole discretion. Before the beginning of a new bonus year,
the Board may, in its discretion, reduce the percentage of the Annual Bonus applicable to Employee, provided that Employee’s Annual Bonus may be reduced only to the extent that the percentage annual bonuses of all other employees of the Company
at the Vice President level and above are proportionally reduced. 
 4.3 Equity Grants. The Company shall grant to the
Employee on the last business day of the month in which the Effective Date occurs the following long-term incentive awards: 
 (a)
Time-Based Restricted Shares. A restricted stock award of 125,000 shares of the Company’s common stock. Such award shall vest as to 31,250 of the shares underlying the award on the first anniversary of the date Employee commences
employment with the Company and with respect to an additional 7,813 shares upon the last day of each calendar quarter following such first anniversary until fully vested, provided that the Employee is employed by the Company or its affiliate on the
applicable vesting date. The other terms and conditions of such award shall be set forth in the applicable award agreement. 
 (b)
Performance-Based Restricted Shares. A restricted stock award of 125,000 shares of the Company’s common stock. Such award shall vest and become exercisable upon the satisfaction of the performance conditions (based upon a performance
period of no greater than 3 years) to be determined by the Board. The other terms and conditions of such award shall be set forth in the applicable award agreement. 

(c) Interpretation. In the event of a conflict between the terms of this Agreement and the terms of the award agreements referenced in
Sections 4.3(a) and 4.3(b) above, the terms of this Agreement shall govern. 
 4.4 Sign-On Bonus. As soon as practicable
following the Effective Date, but not later than the tenth 10th day following the day Employee commences employment with the Company, the Company shall pay Employee a one-time sign-on bonus in the
amount of one hundred thousand dollars $100,000, subject to all applicable withholdings and deductions, subject to Employee’s employment with the Company on such date. 

4.5 Equity Grants. Employee shall be eligible to receive annual grants of stock options, restricted stock and other equity based
long term incentive compensation generally made available to comparable senior executives of the Company on substantially the same terms and conditions as generally applicable to such other executives. 

  
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 4.6 Performance and Compensation Review. Employee’s performance will be
reviewed no less frequently than annually to determine whether Employee’s salary or other compensation should be modified. 
 4.7
Vacation. Employee shall be eligible to earn four (4) calendar weeks of paid vacation in each year of this Agreement. Vacation will accrue at the rate of six and two-thirds (6 2/3) hours per pay period, and may be carried over
from year to year up to a maximum cap of 240 hours and in accordance with Company policy. Additional paid vacation shall accrue in accordance with Company policy. Any accrued unused vacation will be cashed out upon termination of employment at
Employee’s then current Base Salary rate in accordance with Company policy and applicable law. 
 4.8 Benefits and
Insurance. In addition to the vacation benefits in Section 4.6 above, Employee shall be entitled to all benefits that the Company may make generally available from time to time to its employees, subject to the terms and conditions of
the applicable policy or plan, and provided that Employee understands that he/she will be designated as a key employee for purposes of any leave granted under the Family and Medical Leave Act. 

5. Business Expenses. The Company shall pay, or promptly reimburse, Employee for all reasonable, out-of-pocket travel and
business expenses incurred in the performance of Employee’s duties on behalf of the Company for which Employee submits the required supporting documentation and otherwise fully complies with the Company’s travel and expense reimbursement
policy as in effect from time to time. Reimbursements under this Section 5 will be made in accordance with Section 9.12. 
 6.
Separation of Employee’s Employment. 
 6.1 Termination for Cause by the Company. The Company may terminate
Employee’s employment at any time for Cause. For purposes of this Agreement, “Cause” is defined as: (i) Employee’s willful and continued failure to substantially perform his duties and responsibilities, after
prior written notice thereof and an opportunity to cure; (ii) Employee’s willful engaging in conduct which is materially injurious (monetarily or otherwise) to the Company, including without limitation, misuse of Company funds or property;
(iii) Employee’s conviction of a felony (other than a moving vehicle violation); or (iv) any other material breach by Employee of this Agreement or any confidentiality, noncompetition, nondisclosure and/or invention agreement with the
Company which is materially injurious (monetarily or otherwise) to the Company. Notwithstanding the foregoing, the Company must notify Employee of any event constituting Cause within 45 days following the Company’s knowledge of its existence or
such event will not constitute Cause under this Agreement. For purposes of this Agreement, no act or failure to act, on the part of Employee, will be considered “willful” unless it is done, or omitted to be done, by Employee in bad faith
or without reasonable belief that Employee’s action or omission was in the best interests of the Company. Employee’s employment will in no event be considered to have been terminated by the Company for Cause if the act or failure to act
upon which such termination is based is an act or failure to act in respect of which Employee meets the applicable standard of conduct prescribed for indemnification or reimbursement or payment of expenses under the Company’s Amended and
Restated Bylaws or the laws of the state of its incorporation or the directors’ and officers’ liability insurance of the Company, in each case as in effect at the time of such act or failure to act. 

  
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 In the event that Employee’s employment is terminated in accordance with this Section 6.1,
Employee shall be entitled to receive, on Employee’s first regular payday following the Termination Date, a lump sum payment equal to the following: (i) any portion of Employee’s Base Salary that has been earned but not yet paid as of
the Termination Date, and (ii) any accrued unused vacation as of the Termination Date, all of the foregoing to be less required withholding (clauses (i) and (ii) collectively, the “Accrued Benefits”). All other
Company obligations to Employee, including but not limited to any bonus as described in Section 4.2 and Severance (as defined in Section 6.2), will automatically terminate and be completely extinguished as of the Termination Date;
provided, however, Employee shall continue to be entitled to any accrued benefits under the Company’s benefit and welfare plans and to indemnification and continued coverage under the Company’s director and officer insurance policies
(“D&O Policies”) as well as the applicable provisions of the Company’s Amended and Restated Certificate of Incorporation and Amended and Restated Bylaws. 

6.2 Termination Without Cause; Change of Control.  

(a) If, on or prior to the first anniversary of the Effective Date (whether or not there has been or may in the future be a Change of
Control), the Company terminates Employee’s employment without Cause, or if Employee resigns for Good Reason in accordance with Section 6.3, then Employee will be entitled to receive the following: 

(i) a lump sum severance payment in an amount equal to the sum of (A) three months of Employee’s then current Base Salary (without
regard to any reduction in Base Salary that would otherwise constitute Good Reason) plus (B) an additional one month of Employee’s then current Base Salary (without regard to any reduction in Base Salary that would otherwise constitute
Good Reason) for each full month of Employee’s service completed following the Effective Date at the time of such termination (all subject to required withholding), and (ii) the amounts set forth in paragraph (d) below. 

(b) If, following the first anniversary of the Effective Date, the Company terminates Employee’s employment without Cause, or if
Employee resigns for Good Reason in accordance with Section 6.3, then Employee will be entitled to receive the following: 
 (i) a
lump sum severance payment in an amount equal to one hundred twenty five percent (1.25x) of the sum of Employee’s then current Base Salary (without regard to any reduction in Base Salary that would otherwise constitute Good Reason) and
Employee’s target Annual Bonus in respect of the calendar year in which the termination of employment occurs, less required withholding, and (ii) the amounts set forth in paragraph (d) below. 

(c) If, following the first anniversary of the Effective Date, the Company terminates Employee without Cause, or if Employee resigns for Good
Reason in accordance with Section 6.3, in either case within three (3) months before or twelve (12) months following a Change of Control, then, in lieu of the payment provided under Section 6.2(b), Employee will be entitled to
receive, the following (the “CIC Severance Payment”): 

  
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 (i) a lump sum severance payment in an amount equal to one hundred fifty percent (1.5x) of
the sum of Employee’s then current Base Salary (without regard to any reduction in Base Salary that would otherwise constitute Good Reason) and Employee’s target Annual Bonus in respect of the calendar year in which the termination of
employment occurs; and (ii) the amounts set forth in paragraph (d) below. 
 (d) In addition to those amounts set forth in
paragraphs (a), (b) or (c) above, as applicable, Employee shall be entitled to (i) on Employee’s first regular payday following the Termination Date, a lump sum payment equivalent to the Accrued Benefits; (ii) reasonable
costs not to exceed $10,000 for outplacement services provided by a purveyor approved by the Company and moving expenses, upon delivery to the Company of an itemized invoice for such services provided that, in each case, such costs are incurred
within six (6) months of the Termination Date; (iii) a lump sum payment in an amount equal (on an after-tax basis) to Employee’s cost (determined as of the Termination Date) to purchase continuation of all medical and dental benefits
in effect on the Termination Date for a period of eighteen (18) months following the Termination Date pursuant to Employee’s right to elect continuation of group health plan benefits under the Consolidated Omnibus Budget Reconciliation Act
of 1985; (iv) any unpaid Annual Bonus with respect to the calendar year ended prior to the termination of Employee’s employment; and (v) full accelerated vesting of any and all unvested stock options, restricted stock units and
restricted stock grants held by Employee. 
 (e) “Change of Control” shall mean the occurrence, in a single
transaction or in a series of related transactions, of one or more of the following events: 
 (i) Any Person, as defined under the
Securities Exchange Act of 1934, as amended (the “Exchange Act”) (“Person”), becomes the owner of voting securities of the Company (“Voting
Securities”) representing more than fifty percent (50%) of the combined voting power of the Company’s then-outstanding securities, other than by virtue of a merger, consolidation or similar transaction;
provided, however, that in determining whether a Change of Control has occurred, Voting Securities which are acquired by any Person in a Non-Control Acquisition (as hereinafter defined) shall not constitute an acquisition which would cause a Change
of Control. A “Non-Control Acquisition” shall mean an acquisition by (A) an employee benefit plan (or a trust forming a part thereof) maintained by (1) the Company or
(2) any of the Company’s subsidiaries, (B) the Company or any of the Company’s subsidiaries, or (C) any Person of not more than 25% of the Voting Securities that is entitled to and does report such beneficial ownership on
Schedule 13G under the Exchange Act (a “13G Filer”), provided, however, that this clause (C) shall cease to apply when a Person who is a 13G Filer becomes required to file a Schedule 13D under the Exchange
Act with respect to such beneficial ownership of the Voting Securities; 
 (ii) The consummation of a merger, consolidation or similar
transaction that directly or indirectly involves the Company (a “transaction”), other than a transaction which results in (A) the Incumbent Directors (as hereinafter defined) constituting immediately after
such transaction at least a majority of the Board, the entity surviving such 

  
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merger or consolidation or, if the Company or the entity surviving such merger is then a subsidiary, the ultimate parent thereof, and (B) the voting securities of the Company outstanding
immediately prior to such transaction continuing to represent (either by remaining outstanding or by being converted into voting securities of the surviving entity or any parent thereof), in combination with the ownership of any trustee or other
fiduciary holding securities under an employee benefit plan of the Company or any subsidiary of the Company, more than fifty percent (50%) of the combined voting power of the securities of the Company or such surviving entity or any parent
thereof outstanding immediately after such transaction; 
 (iii) The stockholders of the Company approve, or the Board approves, a plan of
complete dissolution or liquidation of the Company, or a complete dissolution or liquidation of the Company otherwise occurs; 
 (iv) The
consummation of a sale, lease or other disposition of all or substantially all of the consolidated assets of the Company (a “disposition”) that requires approval of the Company’s stockholders under Delaware corporate
law; provided that this paragraph (d)(iv) excludes a disposition to an entity with respect to which stockholders of the Company own immediately after the disposition more than fifty percent (50%) of the combined voting power of the
entity’s outstanding voting securities; or 
 (v) The Board ceases to be composed of at least a majority of Incumbent Directors.
“Incumbent Directors” are the current members of the Board and any subsequent Board member who was nominated or elected by a majority vote of the Incumbent Directors then in office; provided, however, that no
individual shall be considered an Incumbent Director if such individual initially assumed office as a result of either an actual or threatened election contest or other actual or threatened solicitation of proxies or consents by or on behalf of a
Person other than the Board (a “Proxy Contest”) including by reason of any agreement intended to avoid or settle any election contest or Proxy Contest. 

Notwithstanding the above clauses (i) through (v), a “Change of Control” shall not have occurred (unless the Board determines
otherwise) by reason of either of the following: (A) any corporate reorganization, merger, consolidation, transfer of assets, liquidating distribution or other transaction entered into solely by and between the Company and any subsidiary of the
Company (a “reorganization”), provided the reorganization was approved by at least two-thirds (2/3) of the Incumbent Directors (as defined above) then in office and voting; or (B) any of the transactions described
in clauses (i) through (v) above occurs pursuant to an Insolvency Proceeding. An “Insolvency Proceeding” means (A) the Company institutes or consents to the institution of any proceeding under any debtor relief
law, makes an assignment for the benefit of creditors, or applies for or consents to the appointment of any receiver, trustee, custodian, conservator, liquidator, rehabilitator or similar officer for the Company or for all or any material part of
the Company’s property; or (B) any receiver, trustee, custodian, conservator, liquidator, rehabilitator or similar officer is appointed without the application or consent of the Company and the appointment continues undischarged or
unstayed for 60 calendar days; or (C) any proceeding under any debtor relief law relating to the Company or to all or any material part of the Company’s property is instituted without the consent of the Company and continues undismissed or
unstayed for 60 calendar days, or any order for relief is entered in any such proceeding. 

  
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 (f) The payments and benefits to which Employee is entitled under Section 6.2(a), Section
6.2(b), Section 6.2(c) and Section 6.2(d) are referred to as “Severance.” All other Company obligations to Employee pursuant to this Agreement other than Employee’s accrued benefits under the Company’s
benefit and welfare plans and his rights to indemnification and continued coverage under the Company’s D&O Policies and indemnification rights under the applicable provisions of the Company’s Amended and Restated Certificate of
Incorporation and Amended and Restated Bylaws will automatically terminate and be completely extinguished as of the Termination Date. 
 6.3
Resignation of Employee for Good Reason.  
 (a) Other than during the twelve (12) month period commencing on the date
of a Change of Control (such twelve (12) month period, the “Change of Control Protection Period”), Employee may resign for “Good Reason” upon notice to the Company within thirty (30) days
following the relevant event or condition if any of the following occurs without Employee’s express consent, the Company fails to cure such breach within twenty (20 days) after its receipt of such notice, and Employee’s termination for
Good Reason occurs within thirty (30) days after the end of such cure period: 
 (i) The Board or Company (A) alters
Employee’s duties, responsibilities or title resulting in a significant diminution of Employee’s position, duties, responsibilities or status with the Company or, (B) requires Employee to report to anyone other than the Board or
(C) a material reduction in Employee’s Base Salary (which means a reduction in Base Salary that is not in accordance with Section 4.1 above); 

(ii) The Board or Company transfers or assigns Employee to any location that is more than fifty (50) miles from the location of
Employee’s principal office. Required travel on the Company’s business that is consistent with the business travel obligations of Employee’s position is excluded from this Section 6.3(a)(ii); or 

(iii) The Company materially breaches its obligations under this Agreement. 

(b) During the Change of Control Protection Period, Employee may resign for “Good Reason” upon notice to the Company
within thirty (30) days following the relevant event or condition if any of the following occurs without Employee’s express consent and the Company fails to cure such breach within 20 days after its receipt of such notice: 

(i) A material adverse change in Employee’s duties, responsibilities or title as in effect at any time within one year preceding the
date of a Change of Control or at any time thereafter; the assignment to Employee of any duties or responsibilities which are inconsistent with his duties, responsibilities or title as in effect at any time within one year preceding the date of a
Change of Control or at any time thereafter; or any removal of Employee from or failure to reappoint or reelect him to any of such offices or positions, except in connection with the termination of his employment for Disability, Cause, as a result
of his death or by Employee other than for Good Reason; 

  
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 (ii) A material reduction in Employee’s Base Salary or target annual bonus opportunity as
in effect at any time within one year preceding the date of a Change of Control or at any time thereafter (which means a reduction in Base Salary or target annual bonus opportunity that is not in accordance with Section 4.1 or 4.2 above, as
applicable); 
 (iii) The Board or Company transfers or assigns Employee to any location that is more than fifty (50) miles from the
location of Employee’s principal office prior to the Change of Control. Required travel on the Company’s business that is consistent with the business travel obligations of Employee’s position is excluded from this
Section 6.3(b)(iii); 
 (iv) The failure by the Company to (A) provide Employee with compensation and benefits, in the aggregate,
at least equal (in terms of benefit levels and/or reward opportunities) to those provided for under a material employee benefit plan, program and practice in which Employee was participating at any time within one year preceding the date of a Change
of Control or at any time thereafter, or (B) permit Employee to participate in any or all incentive, savings, retirement plans and benefit plans, fringe benefits, practices, policies and programs applicable generally to other similarly situated
employees of the Company and affiliated companies of the Company (including any successors to the Company and affiliated companies of the Company); 

(v) The Company materially breaches its obligations under this Agreement; 

(vi) Any purported termination of Employee’s employment for Cause by the Company which does not comply with the terms of Section 6.1; or

 (vii) The failure of the Company to obtain an agreement from any successors and to assume and agree to perform this Agreement. 

6.4 Resignation by Employee Without Good Reason. Employee may voluntarily resign position with the Company without Good Reason
at any time on thirty (30) days’ advance written notice. In the event Employee’s resignation is without Good Reason, Employee will be entitled to receive, on Employee’s first regular payday following the Termination Date, a lump
sum payment equivalent to the Accrued Benefits. All other Company obligations to Employee pursuant to this Agreement other than Employee’s accrued benefits under the Company’s benefit and welfare plans and his rights to indemnification and
continued coverage under the Company’s D&O Policies and indemnification rights under the applicable provisions of the Company’s Amended and Restated Certificate of Incorporation and Amended and Restated Bylaws will automatically
terminate and be completely extinguished. 
 6.5 Employee’s Execution of Release and Timing of Payments. 

(a) Release. Notwithstanding the foregoing, as a condition to the payment of any Severance, Employee will be required to
execute, deliver and not revoke, within 60 days following the Termination Date, a release provided by the Company which contains a full and general release of claims in favor of the Company and its affiliates, which release shall

  
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not include a waiver of Employee’s Accrued Benefits under the Company’s benefit and welfare plans or his rights to indemnification and continued coverage under the D&O Policies and
indemnification rights under the applicable provisions of the Company’s Amended and Restated Certificate of Incorporation and Amended and Restated Bylaws (such release, substantially in the form attached hereto as Exhibit A, the
“Release”). If the Release has not been executed, delivered and become irrevocable by Employee within the statutory revocation period, no payments of Severance, will be or become payable. 

(b) Time of Payments. Unless otherwise stated and subject to Sections 6.5(a) and 9.12 hereof, all payments and reimbursements
required to be made under this Section 6 to Employee (including any payments or reimbursements to which Employee is entitled in respect of the period commencing on the Termination Date and ending on the 60th day following the Termination Date) shall be made or shall commence on the 60th day following the Termination Date; provided, however, all
payments required to be made under Section 6.2(c) to Employee shall be made or shall commence on the 60th day following the later of: (i) the Termination Date and (ii) the date of the Change in Control. 

6.6 Termination Upon Death or Disability. 

(a) Death. Employee’s employment will terminate automatically upon death of Employee. In the event of Employee’s
death, the Accrued Benefits shall be paid, on Employee’s first regular payday following the Termination Date, to the beneficiary designated in writing by Employee (“Beneficiary”) or, if no such Beneficiary
is designated, to Employee’s estate. In addition, (i) commencing on the Termination Date, the Company will continue Employee’s Base Salary until the earlier of six months from the Termination Date or the commencement of death benefits
under any existing Company Group Life Insurance Plan, (ii) within sixty (60) days following the Termination Date, the Company shall pay any unpaid Annual Bonus with respect to the calendar year ended prior to the termination of
Employee’s employment and a pro rata Annual Bonus (based upon his target Annual Bonus) for the year in which the termination of employment occurs; (iii) the Company shall fully accelerate vesting of any and all unvested stock options,
restricted stock units and restricted stock grants held by Employee; and (iv) the Company shall continue the Employee’s right to indemnification and coverage under the D&O Policies and indemnification rights under the applicable
provisions of the Company’s Amended and Restated Certificate of Incorporation and Amended and Restated Bylaws . 
 (b)
Disability. In the event that Employee becomes physically or mentally disabled such that he is unable to perform his duties for a period of three (3) consecutive months as determined by a medical professional
(“Disability”), the Company may terminate Employee’s employment, unless otherwise prohibited by law. In the event of termination due to Disability, Employee shall be paid, on Employee’s first regular payday
following the Termination Date, a lump sum payment equivalent to the Accrued Benefits. In addition, (i) the Company will pay Employee a cash lump sum in an amount equal to half of Employee’s Base Salary; (ii) the Company shall pay any
unpaid Annual Bonus with respect to the calendar year ended prior to the termination of Employee’s employment and a pro rata Annual Bonus (based upon his target Annual Bonus) for the year in which the termination of employment occurs;
(iii) the Company shall fully accelerate vesting of any and all unvested 

  
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stock options, restricted stock units and restricted stock grants held by Employee; and (iv) the Company shall continue the Employee’s right to indemnification and coverage under the
D&O Policies and indemnification rights under the applicable provisions of the Company’s Amended and Restated Certificate of Incorporation and Amended and Restated Bylaws. 

6.7 Board Action. The Company agrees to take all actions required by the Board or otherwise to accelerate Employee’s
unvested stock options, restricted stock units and restricted stock grants as required by Sections 6.2 or 6.6. 
 6.8 Adjustment of
Payments and Benefits. Notwithstanding any provision of this Agreement to the contrary, if any payment or benefit to be paid or provided under this Agreement or otherwise would be an “Excess Parachute Payment,” within
the meaning of Section 280G of the Code, or any successor provision thereto, but for the application of this sentence, then the payments and benefits to be paid or provided hereunder shall be reduced to the minimum extent necessary (but in no
event to less than zero) so that no portion of any such payment or benefit, as so reduced, constitutes an Excess Parachute Payment; provided, however, that the foregoing reduction shall be made only if and to the extent that such reduction would
result in an increase in the aggregate payments and benefits to be provided, determined on an after-tax basis (taking into account the excise tax imposed pursuant to Section 4999 of the Code, or any successor provision thereto, any tax imposed
by any comparable provision of state law, and any applicable federal, state and local income taxes). The determination of whether any reduction in such payments or benefits to be provided hereunder is required pursuant to the preceding sentence
shall be made at the expense of the Company, if requested by Employee or the Company, by the Company’s independent accountants. The fact that Employee’s right to payments or benefits may be reduced by reason of the limitations contained in
this Section 6.8 shall not of itself limit or otherwise affect any other rights of Employee under this Agreement. In the event that any payment or benefit intended to be provided hereunder is required to be reduced pursuant to this Section 6.8, such
payments or benefits will be reduced in the following order (to the extent applicable): (a) the lump sum severance payment described in Section 6.2(a)(i); (b) the lump sum severance payment described in Section 6.2(b)(i) (multiple of
Base Salary); (c) the lump sum severance payment described in Section 6.2(b)(ii) (multiple of target Annual Bonus); (d) the lump sum severance payment described in Section 6.2(c)(i) (multiple of Base Salary); (e) the lump sum
severance payment described in Section 6.2(c)(ii) (multiple of target Annual Bonus); (f) the benefits described in Section 6.2(d)(ii) (reimbursement for certain outplacement services and moving expenses); (g) the benefits described in
Section 6.2(d)(iii) (reimbursement for cost of continued medical and dental benefits); (h) the benefits described in Section 6.2(d)(iv) (unpaid Annual Bonus with respect to year prior to year of termination); and (i) the benefits described
in Section 6.2(c)(v) (accelerated vesting of equity awards). 

  
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 7. Agreement Not to Compete. 

7.1 No Employment with, or Connection to, Competitor. Employee agrees that, during the term of employment with the Company and
for a period of nine (9) months following the Termination Date, Employee will not, without securing the prior written permission of the Company: 

(a) be employed by, act as an agent for, or consult with or otherwise perform services for, a Competitor (as defined below); or 

(b) own any equity interest in, manage or participate in the management (as an officer, director, partner, member or otherwise) of, or be
connected in any other manner with, a Competitor, except that this section shall not restrict Employee from owning less than one percent (1%) of the equity interests of any publicly held entity. 

7.2 Nonsolicitation of Company Employees and Customers. Employee agrees that for a period of one (1) year following the
Termination Date, Employee will not, without securing the prior written permission of the Company, induce or attempt to induce any Employee, officer, director, agent, independent contractor, consultant, customer, strategic partner, licensor,
licensee, supplier or other service provider of the Company to terminate a relationship with, cease providing services or products to, or purchasing products or services from, the Company. 

7.3 Definition of Competitor. The term “Competitor” as used in this Agreement means any individual or
entity that is directly or indirectly engaged in the development and/or commercialization in the United States of one or more ex vivo cellular immunotherapies for the therapeutic treatment of prostate cancer (or any other cancer at which the
Company’s immunotherapies are targeted as of the Termination Date), which ex vivo cellular immunotherapies generate twenty percent (20%) or more of either the annual gross revenue or worldwide operating expense of such Competitor in the
United States. The term “Competitor” also includes an individual or entity that is preparing to directly or indirectly engage in the development and/or commercialization in the United States of such ex vivo cellular
immunotherapies, if such ex vivo immunotherapies are anticipated to generate twenty (20%) or more of either the annual gross revenue or annual operating expense of such Competitor in the United States during the first calendar year of
development and/or commercialization. 
 7.4 Reasonableness of Restrictions. The Company and Employee agree that, in light of
all of the facts and circumstances relating to the relationship that exists and is expected to exist between the Company and Employee, these restrictions (including, but not limited to, the scope of the restricted activities, the duration of the
restrictions, and the geographic extent of the restrictions) are fair and reasonably necessary for the protection of the goodwill and other protectable interests of the Company. If a court or arbitrator of competent jurisdiction declines to enforce
any of these restrictions, the Company and Employee agree that the restrictions shall be enforceable to the maximum extent allowed by law. 

8. Legal Fees and Expenses. Within thirty (30) days following receipt of an invoice for services performed, the
Company shall reimburse Employee for all reasonable, appropriately documented attorneys’ fees incurred in connection with the negotiation and execution of this Agreement, provided, however, that the amount reimbursed under this sentence shall
not exceed fifteen thousand dollars ($15,000). Unless prohibited by law, if Employee prevails on at least one substantive issue in seeking to enforce the Company’s obligations under this Agreement, the Company shall pay and be solely
responsible for any and all costs and expenses (including attorneys’ fees) incurred by Employee in connection with Employee’s action to enforce the Company’s obligations under this Agreement. The Company shall pay directly or

  
 - 11 - 

 
reimburse Employee for any and all such costs and expenses within sixty (60) calendar days following the presentation by Employee or by counsel selected from time to time by Employee of a
statement or statements prepared by Employee or by such counsel of the amount of such costs and expenses. The Company shall also pay to Employee interest (calculated at the base rate from time to time in effect at Bank of America, compounded
monthly) on any payments or benefits that are paid or provided to Employee later than the date on which due under the terms of this Agreement. 

In order to comply with Section 409A of the Code, (a) in no event will the payments by the Company under Section 8 of this
Agreement be made later than the end of the calendar year next following the calendar year in which such fees and expenses were incurred; Employee shall be required to submit an invoice for such fees and expenses at least 10 days before the end of
the calendar year next following the calendar year in which such fees and expenses were incurred; (b) the amount of such legal fees and expenses that the Company is obligated to pay in any given calendar year will not affect the legal fees and
expenses that the Company is obligated to pay in any other calendar year; (c) the Company’s obligation to pay Employee’s legal fees will terminate on the fifth anniversary of the termination of this Agreement; and
(d) Employee’s right to have the Company pay such legal fees and expenses may not be liquidated or exchanged for any other benefit. 

9. General Provisions. 

9.1 Successors and Assigns. The rights and obligations of the Company under this Agreement shall inure to the benefit of and
shall be binding upon the successors and assigns of the Company. Employee shall not be entitled to assign any of Employee’s rights or obligations under this Agreement. 

9.2 Waiver. Either party’s failure to enforce any provision of this Agreement shall not in any way be construed as a waiver
of any such provision, or prevent that party thereafter from enforcing each and every other provision of this Agreement. 
 9.3
Severability. In the event any provision of this Agreement is found to be unenforceable by an arbitrator or court of competent jurisdiction, such provision shall be deemed modified to the extent necessary to allow enforceability of the
provision as so limited, it being intended that the parties shall receive the benefits contemplated in this Agreement to the fullest extent permitted by law. If a deemed modification is not satisfactory in the judgment of such arbitrator or court,
the unenforceable provision shall be deemed deleted, and the validity and enforceability of the remaining provisions shall not be affected. 

9.4 Interpretation; Construction. The headings set forth in this Agreement are for convenience only and shall not be used
in interpreting this Agreement. Both parties have participated in the negotiation of this Agreement. Therefore, the normal rule of construction to the effect that any ambiguities are to be resolved against the drafting party shall not be employed in
the interpretation of this Agreement. 
 9.5 Notices. Any notice required or permitted by this Agreement shall be in writing
and shall be delivered as follows with notice deemed given as indicated: (a) by personal 

  
 - 12 - 

 
delivery when delivered personally; (b) by overnight courier upon written verification of receipt; (c) by telecopy or facsimile transmission upon acknowledgment of receipt of electronic
transmission; or (d) by certified or registered mail, return receipt requested, upon verification of receipt. Notice shall be sent to the addresses set forth below, or such other address as either party may specify in writing. 

9.6 Survival. Section 6 (“Separation of Employee’s Employment”), Section 7 (“Confidentiality;
Agreement Not to Compete”), Section 8 (“Legal Fees and Expenses”), and Section 9 (“General Provisions”) of this Agreement shall survive Employee’s employment by the Company. 

9.7 Entire Agreement. This Agreement, the Company’s equity compensation plan and documents reflecting restricted stock
granted to Employee, the Proprietary Information and Inventions Agreement entered into by Employee at the commencement of employment with the Company, and the Indemnity Agreement entered into by the Company and Employee, if any, constitute the
entire agreement between the parties relating to this subject matter and supersede all prior or simultaneous representations, discussions, negotiations, and agreements, whether written or oral. This Agreement may be amended or modified only with the
written consent of Employee and a duly authorized officer of the Company. No oral waiver, amendment or modification will be effective under any circumstances whatsoever. 

9.8 Injunctive Relief. Notwithstanding the foregoing, any action brought by the Company under this Agreement seeking a temporary
restraining order, temporary and/or permanent injunction and/or decree of specific performance of the terms of this Agreement may be brought in any court of competent jurisdiction. The Company shall not be required to post a bond as a condition for
the granting of such relief. 
 9.9 Governing Law and Venue. This Agreement shall be governed by, and construed in accordance
with, the laws of the State of New Jersey as though made and to be fully performed in that State. Venue for any action arising from this Agreement shall be exclusively in New Jersey. 

9.10 Arbitration. 

(a) Employee and the Company agree that if a dispute arises concerning or relating to Employee’s employment with the Company, or the
termination of Employee’s employment, such dispute shall be submitted to binding arbitration under the rules of the American Arbitration Association regarding resolution of employment disputes in effect at the time such dispute arises. The
arbitration shall take place in New Jersey, before a single experienced arbitrator licensed to practice law in New Jersey and selected in accordance with the American Arbitration Association rules and procedures. Except as provided below, Employee
and the Company agree that this arbitration procedure will be the exclusive means of redress for any disputes relating to or arising from Employee’s employment with the Company or his termination, including disputes over rights provided by
federal, state, or local statutes, regulations, ordinances, and common law, including all laws that prohibit discrimination based on any protected classification. The parties expressly waive the right to a jury trial, and agree

  
 - 13 - 

 
that the arbitrator’s award shall be final and binding on both parties, and shall not be appealable. The arbitrator shall have discretion to award monetary and other damages, and any other
relief that the arbitrator deems appropriate and is allowed by law taking into consideration Section 8 of this Agreement. 
 (b) The
Company and Employee agree that the sole dispute that is excepted from Section 9.10 is an action seeking injunctive relief from a court of competent jurisdiction regarding enforcement and application of Section 7 of this Agreement, which
action may be brought in addition to, or in place of, an arbitration proceeding in accordance with Section 9.10. 
 9.11
Withholding. All payments and benefits made to Employee hereunder will be subject to any payroll and withholding deductions required by applicable law. 

9.12 Compliance with Section 409A of the Code.  

(a) To the extent applicable, it is intended that the compensation arrangements under this Agreement be in full compliance with
Section 409A of the Code (it being understood that certain compensation arrangements under this Agreement are intended not to be subject to Section 409A of the Code). The Agreement shall be construed, to the maximum extent permitted, in a
manner to give effect to such intention. Notwithstanding anything in this Agreement to the contrary, distributions upon termination of Employee’s employment may only be made upon Employee’s “separation from service” with the
Company (as determined in accordance with Section 409A of the Code). Employee acknowledges that Employee has been advised to obtain independent legal, tax or other counsel in connection with Section 409A of the Code. 

(b) Compliance with Section 409A of the Code. Notwithstanding any provisions of this Agreement to the contrary, if Employee is a
“specified employee” (within the meaning of Section 409A of the Code and determined pursuant to policies adopted by the Company) at the time of Employee’s separation from service and if any portion of the payments or benefits to
be received by Employee upon separation from service would be considered deferred compensation under Section 409A of the Code (“Nonqualified Deferred Compensation”), amounts that would otherwise be payable pursuant to this Agreement
during the six-month period immediately following Employee’s separation from service that constitute Nonqualified Deferred Compensation and benefits that would otherwise be provided pursuant to this Agreement during the six-month period
immediately following Employee’s separation from service that constitute Nonqualified Deferred Compensation will instead be paid or made available on the earlier of (i) the first business day of the seventh month following the date of
Employee’s separation from service and (ii) Employee’s death. 
 (c) With respect to any amount of expenses eligible for
reimbursement under this Agreement, such expenses will be reimbursed by the Company within thirty (30) calendar days following the date on which the Company receives the applicable invoice from Employee in accordance with the Company’s
expense reimbursement policies, but in no event later than the last day of Employee’s taxable year following the taxable year in which Employee incurs the related expenses. In no event will the reimbursements or in-kind benefits to be provided
by the Company in one taxable year affect the amount of reimbursements of in-kind benefits to be provided in any other taxable year, nor will Employee’s right to reimbursement or in-kind benefits be subject to liquidation or exchange for
another benefit. 

  
 - 14 - 

 (d) Each payment under this Agreement shall be regarded as a “separate payment” and
not of a series of payments for purposes of Section 409A of the Code. 
 THE PARTIES TO THIS AGREEMENT HAVE READ THIS AGREEMENT AND FULLY UNDERSTAND
EACH AND EVERY PROVISION. 
  

			
	W. THOMAS AMICK
	
	 /s/ W. Thomas Amick

	
	DENDREON CORPORATION
		
	By:	 	 /s/ Robert Crotty

	
	Its:
	
	Address:
	
	200 Crossing Boulevard
	
	Bridgewater, NJ 08807

  
 - 15 -Exhibit 4.11

Exhibit 4.11

FOURTH SUPPLEMENTAL INDENTURE 

THIS SUPPLEMENTAL INDENTURE, dated as of May 12, 2014 (this “Supplemental Indenture”), is by and among EXCO Resources, Inc., a Texas corporation (the “Company”) and EXCO Land Company, LLC, a Delaware limited liability company (the “Guaranteeing Subsidiary”), and Wilmington Trust Company, a Delaware trust company, as trustee (the “Trustee”). 
W I T N E S S E T H 
WHEREAS, the Company, the Subsidiary Guarantors (as defined therein) from time to time party thereto and the Trustee are parties to that certain Indenture dated as of September 15, 2010, among the Company, each of the Company’s subsidiaries that are signatories thereto, and the Trustee, as supplemented by that certain First Supplemental Indenture (herein so called) dated as of September 15, 2010, and that certain Second Supplemental Indenture dated as of February 12, 2013 (as supplemented, and the as the same may be further amended or supplemented from time to time, the “Indenture”),  providing for the issuance by the Company from time to time of its $750,000,000 in aggregate principal amount of 7.500% Senior Notes (the “Debt Securities”) due 2018;
WHEREAS, the Indenture provides that under certain circumstances, the Guaranteeing Subsidiary may execute and deliver to the Trustee a supplemental indenture pursuant to which such Guaranteeing Subsidiary shall unconditionally guarantee all of the Company’s obligations under the Debt Securities and the Indenture on the terms and conditions set forth herein; and
WHEREAS, pursuant to Sections 8.02 and 8.07 of the First Supplemental Indenture, the Company and the Trustee are authorized to execute and deliver this Supplemental Indenture. 
NOW, THEREFORE, for and in consideration of the foregoing premises, it is mutually covenanted and agreed, for the equal and proportionate benefit of all Holders of the Debt Securities, as follows: 
1.  Capitalized Terms.  Initially capitalized terms used herein without definition shall have the meanings assigned to them in the Indenture. 
2.  Agreement to Become Guarantor.  The Guaranteeing Subsidiary hereby unconditionally and irrevocably guarantees the Company's obligations under the Debt Securities and the Indenture on the terms and subject to the conditions set forth in Article 9 of the First Supplemental Indenture and agrees to be bound by all other provisions of the Indenture and the Debt Securities applicable to a “Subsidiary Guarantor” therein. 
3.  Ratification of Indenture; Supplemental Indenture Part of Indenture.  Except as expressly amended hereby, the Indenture is in all respects ratified and confirmed and all the terms, conditions and provisions thereof shall remain in full force and effect. This Supplemental Indenture shall form a part of the Indenture for all purposes, and every holder of Debt Securities heretofore or hereafter authenticated and delivered shall be bound hereby. 
4.  Notices.  For purposes of Section 105 of the Indenture, the address for notices to the Guarantor shall be: 
EXCO Land Company, LLC 
c/o EXCO Resources, Inc. 
12377 Merit Drive, Suite 1700 
Dallas, TX 75251
Attention:    General Counsel

D- 

Exhibit 4.11

5.  Governing Law.  This Supplemental Indenture shall be governed by, and construed in accordance with, the laws of the State of New York. 
6.  Counterparts.  The parties may sign any number of copies of this Supplemental Indenture. Each signed copy shall be an original, but all of them together shall represent the same agreement.
7.  Effect of Headings.  The section headings herein are for convenience only and shall not affect the construction hereof. 
8.  The Trustee.  The Trustee shall not be responsible in any manner whatsoever for or in respect of the validity or sufficiency of this Supplemental Indenture or for or in respect of the recitals contained herein, all of which recitals are made solely by the Company and the Guarantors. 

IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly executed, all as of the date first above written. 
ISSUER:
EXCO RESOURCES, INC.

By:    /s/ William L. Boeing              
Name: William L. Boeing
Title:   Vice President and General 
Counsel  

GUARANTEEING SUBSIDIARY:
EXCO LAND COMPANY, LLC

By:    /s/ William L. Boeing             
Name: William L. Boeing
Title:   Vice President and General 
Counsel  

                                        

D-     - 2 -

Exhibit 4.11

WILMINGTON TRUST COMPANY, as Trustee

By:    /s/ W. Thomas Morris, II        
Name: W. Thomas Morris, II
Title: Vice President

Signature Page to
Fourth Supplemental Indenture

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