Document:

Employment Agreement

 Exhibit 10.32 
 PACIFIC BIOSCIENCES OF CALIFORNIA, INC. 
 EMPLOYMENT AGREEMENT

 This Employment Agreement (the “Agreement”) is entered into as of January 5, 2012 (the
“Effective Date”) by and between Pacific Biosciences of California, Inc. (the “Company”) and Michael Hunkapiller (“Executive”). 

1. Duties and Scope of Employment. 
 (a) Position and Duties. As of the Effective Date, Executive will serve as the Company’s Chief Executive Officer and President and will continue to serve as the Executive Chairman of the
Company’s Board of Directors (the “Board”). Executive will render such business and professional services in the performance of his duties, consistent with Executive’s position within the Company, as shall reasonably be
assigned to him by the Board. The Board may modify Executive’s job title and duties as it deems necessary and appropriate in light of the Company’s needs and interests from time to time. The period of Executive’s employment under this
Agreement is referred to herein as the “Employment Term.” 
 (b) Board Membership. During the Employment
Term, Executive will serve as a member and Executive Chairman of the Board, subject to any required Board and/or stockholder approval. Upon termination of the Employment Term, Executive will resign from the Board. 

(c) Obligations. During the Employment Term, Executive will perform his duties faithfully and to the best of his ability and will
devote his full business efforts and time to the Company. For the duration of the Employment Term, Executive agrees not to actively engage in any other employment, occupation or consulting activity for any direct or indirect remuneration without the
prior approval of the Board. 
 (d) Confidentiality Agreement. Executive agrees to enter into the Company’s standard
confidential information and invention assignment agreement (the “Confidentiality Agreement”) in favor of the Company upon commencing employment hereunder. 
 2. At-Will Employment. The parties agree that Executive’s employment with the Company will be “at-will” employment and may be terminated at any time with or without cause or notice.
Executive understands and agrees that neither his job performance nor commendations, bonuses or the like from the Company give rise to or in any way serve as the basis for modification, amendment, or extension, by implication or otherwise, of the
at-will nature of his employment with the Company. As described in this Agreement, however, Executive may be entitled to severance and other benefits depending upon the circumstances of Executive’s termination of employment with the Company.

 3. Term of Agreement. Subject to Section 2 above, this Agreement will have an initial term of three
(3) years, commencing on the Effective Date. On the third anniversary of the Effective Date, this Agreement will automatically renew for additional one (1) year terms unless either party

 
provides the other party with written notice of non-renewal at least sixty (60) days prior to the date of automatic renewal. If Executive becomes entitled to benefits under Section 9
during the term of this Agreement, this Agreement will not terminate until all of the obligations under this Agreement have been satisfied. 
 4. Compensation. 
 (a) Base Salary. During the Employment Term, the
Company will pay Executive as compensation for his services a base salary (the “Base Salary”) at the annualized rate of four hundred thousand dollars ($400,000). The Base Salary will be paid in installments in accordance with the
Company’s normal payroll practices for senior executives and be subject to the usual, required withholding. Executive’s salary will be subject to review and adjustments will be made based upon the Company’s normal performance review
practices, though the Company does not expect to review or otherwise adjust the Base Salary prior to 2013. 
 (b) Bonus.
Effective for calendar year 2012, Executive will qualify for an annual performance bonus with a target bonus level of seventy-five percent (75%) of Executive’s Base Salary based upon performance criteria established by the Board or the
Compensation Committee of the Board. The Board or the Compensation Committee will endeavor in good faith to establish the annual performance bonus criteria within the first quarter of the applicable year. Any bonus, or any portion thereof, will be
paid as soon as practicable after the Board or Compensation Committee determines that the bonus has been earned, but in no event will the bonus be paid after the later of (i) the fifteenth (15th) day of the third (3rd) month following
the close of the Company’s fiscal year in which the bonus is earned or (ii) March 15 following the calendar year in which the bonus is earned. 
 (c) Equity Awards. 
 (i) Stock Option.
Effective as of January 9, 2012, Executive will be granted a stock option to purchase one million (1,000,000) shares of the Company’s common stock (“Shares”) at an exercise price per Share equal to the fair market
value of a Share on the date of grant (the “Option”). The Option will vest as to twenty-five percent (25%) of the Shares subject to the Option on the one (1) year anniversary of the Effective Date, and as to 1/48th of the Shares subject to the Option monthly thereafter, so that the
Option will be fully vested and exercisable four (4) years from the Effective Date, subject to Executive continuing to provide services to the Company through the relevant vesting dates. The Option will be subject to the terms and conditions of
the Company’s 2010 Equity Incentive Plan and a stock option agreement by and between Executive and the Company. 
 (ii)
Additional Equity Awards. Executive will be eligible to receive awards of stock options, restricted stock or other equity awards covering Shares pursuant to any plans or arrangements the Company may have in effect from time to time, including
but not limited to any focal grants. The Board or its committee will determine in its discretion whether Executive will be granted any such equity awards and the terms of any such award in accordance with the terms of any applicable plan or
arrangement that may be in effect from time to time. 

  
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 5. Employee Benefits. During the Employment Term, Executive will be entitled to
participate in the employee benefit plans currently and hereafter maintained by the Company of general applicability to other senior executives of the Company, as in effect from time to time. The Company reserves the right to cancel or change the
benefit plans and programs it offers to its employees at any time. 
 6. Vacation. Executive will be entitled to paid
vacation in accordance with the Company’s vacation policy for senior executive officers, with the timing and duration of specific vacations mutually and reasonably agreed to by the parties hereto. Upon Executive’s termination of
employment, Executive will be entitled to receive payment of Executive’s accrued but unused vacation through the date of Executive’s termination. 
 7. Expenses. The Company will reimburse Executive for reasonable travel, entertainment or other expenses incurred by Executive in the furtherance of or in connection with the performance of
Executive’s duties hereunder, in accordance with the Company’s expense reimbursement policy as in effect from time to time. 
 8. Termination of Employment. In the event Executive’s employment with the Company terminates for any reason, Executive will be entitled to any (a) unpaid Base Salary accrued up to the
effective date of termination; (b) pay for accrued but unused vacation; (c) benefits or compensation as provided under the terms of any employee benefit and compensation agreements or plans applicable to Executive; and
(d) unreimbursed business expenses required to be reimbursed to Executive. 
 9. Severance. 

(a) Termination (other than for Cause, Death or Disability) or Resignation for Good Reason. If (i) the Company terminates
Executive’s employment with the Company other than for (x) Cause, (y) death or (z) Disability, or (ii) Executive resigns from his employment with the Company for Good Reason, then, subject to Section 11(a) below,
Executive will be entitled to: 
 (i) A lump sum payment equal to twelve (12) months of Executive’s Base Salary
(unless such termination occurs as a result of clause (ii) of the definition of “Good Reason” under Section 13(e) below, in which case the amount will be equal to twelve (12) months of Executive’s Base Salary as in
effect immediately prior to such Base Salary reduction), less applicable tax withholding, payable within thirty (30) days following Executive’s termination of employment; 

(ii) the immediate vesting of each of Executive’s then-outstanding stock options and restricted stock or other equity awards as to
the number of shares subject to each such equity award that otherwise would have vested had he remained an employee of the Company through the six (6) month anniversary of the date of Executive’s termination of employment; and 

(iii) if Executive elects continuation coverage pursuant to the Consolidated Omnibus Budget Reconciliation Act of 1985, as amended
(“COBRA”) for Executive and Executive’s eligible dependents (as applicable), within the time period prescribed pursuant to 

  
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COBRA, the Company will reimburse Executive for, or pay directly on Executive’s behalf, the COBRA premiums for such coverage (at the coverage levels in effect immediately prior to
Executive’s termination of employment) until the earlier of (A) a period of twelve (12) months from the last date of employment of the Executive with the Company, or (B) the date upon which Executive and/or Executive’s
eligible dependents becomes covered under similar plans. However, if the Company determines in its sole discretion that it cannot provide the COBRA benefits without potentially violating applicable law (including, without limitation,
Section 2716 of the Public Health Service Act), the Company will in lieu thereof provide to Executive a taxable monthly payment in an amount equal to the monthly COBRA premium that Executive would be required to pay to continue his group health
coverage in effect on the date of his termination of employment (which amount will be based on the premium for the first month of COBRA coverage), which payments will be made regardless of whether Executive elects COBRA continuation coverage.

 (b) Termination for Cause, Death or Disability; Resignation without Good Reason. If Executive’s employment with
the Company terminates voluntarily by Executive (other than for Good Reason), terminates as a result of Executive’s death or Disability, or is terminated for Cause by the Company, then (i) all vesting will terminate immediately with
respect to Executive’s then-outstanding equity awards, (ii) all payments of compensation by the Company to Executive hereunder will terminate immediately (except as to amounts already earned), and (iii) Executive will only be eligible
for severance benefits in accordance with the Company’s established policies, if any, as then in effect. 
 10.
Non-Duplication of Benefits. In the event that Executive is entitled to benefits pursuant to the Change in Control Severance Agreement entered into between Executive and the Company of even date herewith, the payments and benefits set forth
therein are intended to be and are exclusive and in lieu of any payments or benefits set forth under Section 9 of this Agreement and, in such case, Executive will be entitled to no payments or benefits under Section 9 of this Agreement.

 11. Conditions to Receipt of Severance. 

(a) Release of Claims Agreement. The receipt of any severance or benefits pursuant to this Agreement is
subject to Executive signing and not revoking a separation agreement and release of claims in a form reasonably acceptable to the Company (the “Release”), which must become effective and irrevocable no later than the sixtieth
(60th) day following the termination of employment
(the “Release Deadline”). If the Release does not become effective and irrevocable by the Release Deadline, Executive will forfeit any rights to severance payments or benefits under this Agreement. No severance payments and
benefits under this Agreement will be paid or provided until the Release becomes effective and irrevocable, and, subject to Section 11(c) of this Agreement, any such severance payments and benefits otherwise payable between the date of
Executive’s termination of employment and the date the Release becomes effective and irrevocable will be paid on the date the Release becomes effective and irrevocable. 
 (b) Confidential Information and Invention Assignment Agreements. Executive’s receipt of any payments or benefits under Section 9 will be subject to Executive continuing to comply with
the terms of the Confidentiality Agreement and the provisions of this Agreement. 

  
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 (c) Section 409A. 

(i) Notwithstanding anything to the contrary in this Agreement, no severance pay or benefits to be paid or provided to Executive, if
any, pursuant to this Agreement that, when considered together with any other severance payments or separation benefits, are considered deferred compensation under Internal Revenue Code Section 409A (together, the “Deferred
Payments”) will be payable until Executive has a “separation from service” within the meaning of Section 409A (“Section 409A”) of the Internal Revenue Code of 1986, as amended (the “Code”).
Similarly, no severance payable to Executive, if any, pursuant to this Agreement that otherwise would be exempt from Section 409A pursuant to Treasury Regulation Section 1.409A-1(b)(9) will be payable until Executive has a “separation
from service” within the meaning of Section 409A. 
 (ii) Any severance payments or benefits
under this Agreement that would be considered Deferred Payments will be paid on, or, in the case of installments, will not commence until, the sixtieth (60th) day following Executive’s separation from service, or, if later, such time as required by
Section 11(c)(iii). Except as required by Section 11(c)(iii), any installment payments that would have been made to Executive during the sixty (60) day period immediately following Executive’s separation from service but for the
preceding sentence will be paid to Executive on the sixtieth (60th) day following Executive’s separation from service and the remaining payments will be made as provided in this Agreement. 

(iii) Further, if Executive is a “specified employee” within the meaning of Section 409A at the time of Executive’s
separation from service (other than due to death), any Deferred Payments that otherwise are payable within the first six (6) months following Executive’s separation from service will become payable on the first payroll date that occurs on
or after the date six (6) months and one (1) day following the date of Executive’s separation from service. All subsequent Deferred Payments, if any, will be payable in accordance with the payment schedule applicable to each payment
or benefit. Notwithstanding anything herein to the contrary, in the event of Executive’s death following Executive’s separation from service but prior to the six (6) month anniversary of Executive’s separation from service (or
any later delay date), then any payments delayed in accordance with this paragraph will be payable in a lump sum as soon as administratively practicable after the date of Executive’s death and all other Deferred Payments will be payable in
accordance with the payment schedule applicable to each payment or benefit. Each payment and benefit payable under the Agreement is intended to constitute a separate payment for purposes of Section 1.409A-2(b)(2) of the Treasury Regulations.

 (iv) Any amount paid under this Agreement that satisfies the requirements of the “short-term deferral” rule set
forth in Section 1.409A-1(b)(4) of the Treasury Regulations will not constitute Deferred Payments for purposes of clause (i) above. Any amount paid under this Agreement that qualifies as a payment made as a result of an involuntary
separation from service pursuant to Section 1.409A-1(b)(9)(iii) of the Treasury Regulations that does not exceed the Section 409A Limit (as defined below) will not constitute Deferred Payments for purposes of clause (i) above.

  
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 (v) The foregoing provisions are intended to comply with, or be exempt from, the
requirements of Section 409A so that none of the severance payments and benefits to be provided under the Agreement will be subject to the additional tax imposed under Section 409A, and any ambiguities herein will be interpreted to so
comply or be exempt. Executive and the Company agree to work together in good faith to consider amendments to the Agreement and to take such reasonable actions which are necessary, appropriate or desirable to avoid imposition of any additional tax
or income recognition prior to actual payment to Executive under Section 409A. In no event will the Company reimburse Executive for any taxes that may be imposed on Executive as result of Section 409A. 

(d) No Duty to Mitigate. Executive will not be required to mitigate the amount of any payment contemplated by this Agreement, nor
will any such payment be reduced by any earnings that Executive may receive from any other source. 
 12. Limitation on
Payments. In the event that the severance and other benefits provided for in this Agreement or otherwise payable to Executive (i) constitute “parachute payments” within the meaning of Section 280G of the Code and
(ii) but for this Section 12, would be subject to the excise tax imposed by Section 4999 of the Code, then Executive’s severance benefits under Section 9 will be either: 

(a) delivered in full, or 
 (b) delivered as to such lesser extent which would result in no portion of such severance benefits being subject to excise tax under Section 4999 of the Code, 

whichever of the foregoing amounts, taking into account the applicable federal, state and local income taxes and the excise tax imposed by
Section 4999, results in the receipt by Executive on an after-tax basis, of the greatest amount of severance benefits, notwithstanding that all or some portion of such severance benefits may be taxable under Section 4999 of the Code. If a
reduction in severance and other benefits constituting “parachute payments” is necessary so that benefits are delivered to a lesser extent, reduction will occur in the following order: (i) reduction of cash payments;
(ii) cancellation of awards granted “contingent on a change in ownership or control” (within the meaning of Code Section 280G), (iii) cancellation of accelerated vesting of equity awards; (iv) reduction of employee
benefits. In the event that acceleration of vesting of equity award compensation is to be reduced, such acceleration of vesting will be cancelled in the reverse order of the date of grant of Executive’s equity awards. 

Unless the Company and Executive otherwise agree in writing, any determination required under this Section 12 will be made in
writing by the Company’s independent public accountants immediately prior to the Change in Control (the “Accountants”), whose determination will be conclusive and binding upon Executive and the Company for all purposes. For
purposes of making the calculations required by this Section 12, the Accountants may make reasonable assumptions and approximations concerning applicable taxes and may rely on reasonable, good faith interpretations concerning the application of
Sections 280G and 4999 of the Code. The Company and Executive will furnish to the Accountants such information and documents as the Accountants may reasonably request in order to make a determination under this Section. The Company will bear all
costs the Accountants may reasonably incur in connection with any calculations contemplated by this Section 12. 

  
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 13. Definition of Terms. The following terms referred to in this Agreement will have
the following meanings: 
 (a) Cause. “Cause” means (i) conviction of any felony;
(ii) conviction of any crime involving moral turpitude or dishonesty that causes, or is likely to cause, material harm to the Company; (iii) participation in a fraud or willful act of dishonesty against the Company that causes, or is
likely to cause, material harm to the Company; (iv) intentional and material damage to the Company’s property; or (v) material breach of the Company’s Proprietary Information and Inventions Agreement. 

(b) Change in Control. “Change in Control” means the occurrence of any of the following: 

(i) A change in the ownership of the Company which occurs on the date that any one person, or more than one person acting as a group
(“Person”), acquires ownership of the stock of the Company that, together with the stock held by such Person, constitutes more than 50% of the total voting power of the stock of the Company; provided, however, that for purposes of
this subsection (i), the acquisition of additional stock by any one Person, who is considered to own more than 50% of the total voting power of the stock of the Company will not be considered a Change in Control; or 

(ii) A change in the effective control of the Company which occurs on the date that a majority of members of the Board (each, a
“Director”) is replaced during any twelve (12) month period by Directors whose appointment or election is not endorsed by a majority of the members of the Board prior to the date of the appointment or election. For purposes of
this subsection (ii), if any Person is considered to be in effective control of the Company, the acquisition of additional control of the Company by the same Person will not be considered a Change in Control; or 

(iii) A change in the ownership of a substantial portion of the Company’s assets which occurs on the date that any Person acquires
(or has acquired during the twelve (12) month period ending on the date of the most recent acquisition by such person or persons) assets from the Company that have a total gross fair market value equal to or more than 50% of the total gross
fair market value of all of the assets of the Company immediately prior to such acquisition or acquisitions; provided, however, that for purposes of this subsection (iii), the following will not constitute a change in the ownership of a substantial
portion of the Company’s assets: (A) a transfer to an entity that is controlled by the Company’s stockholders immediately after the transfer, or (B) a transfer of assets by the Company to: (1) a stockholder of the Company
(immediately before the asset transfer) in exchange for or with respect to the Company’s stock, (2) an entity, 50% or more of the total value or voting power of which is owned, directly or indirectly, by the Company, (3) a Person,
that owns, directly or indirectly, 50% or more of the total value or voting power of all the outstanding stock of the Company, or (4) an entity, at least 50% of the total value or voting power of which is owned, directly or indirectly, by a
Person described in this subsection (iii)(B)(3). For 

  
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purposes of this subsection (iii), gross fair market value means the value of the assets of the Company, or the value of the assets being disposed of, determined without regard to any liabilities
associated with such assets. 
 For purposes of this definition of Change in Control, persons will be considered to be acting
as a group if they are owners of a corporation that enters into a merger, consolidation, purchase or acquisition of stock, or similar business transaction with the Company. 
 Notwithstanding the foregoing, a transaction will not be deemed a Change in Control unless the transaction qualifies as a change in control event within the meaning of Code Section 409A, as it has
been and may be amended from time to time, and any proposed or final Treasury Regulations and Internal Revenue Service guidance that has been promulgated or may be promulgated thereunder from time to time. 

Further and for the avoidance of doubt, a transaction will not constitute a Change in Control if: (i) its sole purpose is to change
the state of the Company’s incorporation, or (ii) its sole purpose is to create a holding company that will be owned in substantially the same proportions by the persons who held the Company’s securities immediately before such
transaction. 
 (c) Code. For purposes of this Agreement, “Code” is defined as the Internal Revenue Code
of 1986, as amended. 
 (d) Disability. “Disability” means Executive is unable to engage in any
substantial gainful activity by reason of any medically determinable physical or mental impairment that can be expected to result in death or can be expected to last for a continuous period of not less than twelve (12) months. 

(e) Good Reason. “Good Reason” means Executive’s termination of employment within thirty (30) days
following the expiration of any cure period (discussed below) following the occurrence of one or more of the following, without Executive’s express written consent: 
 (i) a material reduction of Executive’s duties, authority, or responsibilities, relative to Executive’s duties, authority, or responsibilities as in effect immediately prior to such reduction,
or any change which results in Executive ceasing to serve as the Chief Executive Officer of the Company, provided that, for the avoidance of doubt, Executive ceasing to serve as President of the Company or Executive Chairman of the Board shall not
constitute “Good Reason”; 
 (ii) a material reduction by the Company in Executive’s annualized base pay as in
effect immediately prior to such reduction (in other words, a reduction of more than ten percent (10%) of Executive’s annualized base compensation in any one year, other than a reduction applicable to executives generally that does not
adversely affect Executive to a greater extent than other similarly situated executives); 
 (iii) the relocation of
Executive’s principal place of performing his duties as an employee of the Company by more than fifty (50) miles; or 

  
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 (iv) the failure of the Company to obtain the assumption of this Agreement by a successor.

 In order for an event to qualify as Good Reason, Executive must not terminate employment with the Company without first providing the Company
with written notice of the acts or omissions constituting the grounds for “Good Reason” within ninety (90) days of the initial existence of the grounds for “Good Reason” and a reasonable cure period of not less than thirty
(30) days following the date of such notice. 
 (f) Section 409A Limit. “Section 409A Limit”
means the lesser of two (2) times: (i) Executive’s annualized compensation based upon the annual rate of pay paid to Executive during the Executive’s taxable year preceding the Executive’s taxable year of Executive’s
termination of employment as determined under, and with such adjustments as are set forth in, Treasury Regulation 1.409A-1(b)(9)(iii)(A)(1) and any Internal Revenue Service guidance issued with respect thereto; or (ii) the maximum amount
that may be taken into account under a qualified plan pursuant to Section 401(a)(17) of the Code for the year in which Executive’s employment is terminated. 
 14. Assignment. This Agreement will be binding upon and inure to the benefit of (a) the heirs, executors and legal representatives of Executive upon Executive’s death and (b) any
successor of the Company. Any such successor of the Company will be deemed substituted for the Company under the terms of this Agreement for all purposes. For this purpose, “successor” means any person, firm, corporation or other business
entity which at any time, whether by purchase, merger or otherwise, directly or indirectly acquires all or substantially all of the assets or business of the Company. None of the rights of Executive to receive any form of compensation payable
pursuant to this Agreement may be assigned or transferred except by will or the laws of descent and distribution. Any other attempted assignment, transfer, conveyance or other disposition of Executive’s right to compensation or other benefits
will be null and void. 
 15. Notices. All notices, requests, demands and other communications called for hereunder shall
be in writing and shall be deemed given (i) on the date of delivery if delivered personally, (ii) one (1) day after being sent by a well established commercial overnight service, or (iii) four (4) days after being mailed by
registered or certified mail, return receipt requested, prepaid and addressed to the parties or their successors at the following addresses, or at such other addresses as the parties may later designate in writing: 

If to the Company: 
 Pacific Biosciences of California, Inc. 
 1380 Willow Road 

Menlo Park, CA 94025 
 Attn: General Counsel 
 If to Executive: 

at the last residential address known by the Company. 

  
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 16. Severability. In the event that any provision hereof becomes or is declared by a
court of competent jurisdiction to be illegal, unenforceable or void, this Agreement will continue in full force and effect without said provision. 
 17. Integration. This Agreement, together with the Confidentiality Agreement and the Change in Control Severance Agreement, represents the entire agreement and understanding between the parties as
to the subject matter herein and supersedes all prior or contemporaneous agreements whether written or oral, including but not limited to the Executive Chairman Agreement entered into between Executive and the Company dated October 25, 2011
(the “Chairman Agreement”) except with respect to Section 2 of the Chairman Agreement (“Confidentiality”) which will continue in effect following the Effective Date. No waiver, alteration, or modification of
any of the provisions of this Agreement will be binding unless in writing and signed by duly authorized representatives of the parties hereto. 
 18. Withholding. All payments made pursuant to this Agreement will be subject to withholding of applicable income and employment taxes. 

19. Choice of Law. The validity, interpretation, construction, and performance of this Agreement will be governed by the laws of
the State of California (with the exception of its conflict of laws provisions). Any claims or legal actions by one party against the other arising out of the relationship between the parties contemplated herein (whether or not arising under this
Agreement) will be commenced or maintained in any state or federal court located in San Mateo County, California, and Executive and the Company hereby submit to the jurisdiction and venue of any such court. 

20. Acknowledgment. Executive acknowledges that he has had the opportunity to discuss this matter with and obtain advice from his
private attorney, has had sufficient time to, and has carefully read and fully understands all the provisions of this Agreement, and is knowingly and voluntarily entering into this Agreement. 

21. Headings. All captions and section headings used in this Agreement are for convenient reference only and do not form a part of
this Agreement. 
 22. Counterparts. This Agreement may be executed in counterparts, each of which will be deemed an
original, but all of which together will constitute one and the same instrument. 
 [Signature Page Follows]

  
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 IN WITNESS WHEREOF, each of the parties has executed this Agreement, in the case of the
Company by their duly authorized officers, as of the day and year first above written. 
  

									
	COMPANY:
	
	PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
					
	By:	 	 /s/ Susan Barnes
	 		 	Date:	 	 January 19, 2012

		 	Susan Barnes	 		 		 	
					
	Title:	 	Chief Financial Officer	 		 		 	
				
	EXECUTIVE:	 		 		 	
				
	 /s/ Michael Hunkapiller
	 		 	Date:	 	 January 19, 2012

	Michael Hunkapiller	 		 		 	

  
 -11-Change in Control Severance Agreement

 Exhibit 10.33 
 PACIFIC BIOSCIENCES OF CALIFORNIA, INC. 
 CHANGE IN CONTROL SEVERANCE
AGREEMENT 
 This Change in Control Severance Agreement (the “Agreement”) is made and entered into by and
between Michael Hunkapiller (“Executive”) and Pacific Biosciences of California, Inc., a Delaware corporation (the “Company”), effective as of January 5, 2012 (the “Effective Date”).

 RECITALS 
 1. It is expected that the Company from time to time will consider the possibility of an acquisition by another company or other change in control. The Board of Directors of the Company (the
“Board”) recognizes that such considerations can be a distraction to Executive and can cause Executive to consider alternative employment opportunities. The Board has determined that it is in the best interests of the Company and
its stockholders to assure that the Company will have the continued dedication and objectivity of Executive, notwithstanding the possibility, threat or occurrence of such a termination of employment or the occurrence of a Change in Control (as
defined herein) of the Company. 
 2. The Board believes that it is in the best interests of the Company and its stockholders to
provide Executive with an incentive to continue his employment and to motivate Executive to maximize the value of the Company for the benefit of its stockholders. 
 3. The Board believes that it is imperative to provide Executive with certain severance benefits upon Executive’s termination of employment in connection with a Change in Control. These benefits will
provide Executive with enhanced financial security, incentive and encouragement to remain with the Company. 
 4. Certain
capitalized terms used in the Agreement are defined in Section 7 below. 
 AGREEMENT 

NOW, THEREFORE, in consideration of the mutual covenants contained herein, the parties hereto agree as follows: 

1. Term of Agreement. This Agreement will have an initial term of three (3) years commencing on the Effective Date (the
“Initial Term”). On the third anniversary of the Effective Date, this Agreement will renew automatically for additional one (1) year terms (each an “Additional Term”), unless either party provides the other
party with written notice of non-renewal at least sixty (60) days prior to the date of automatic renewal. Notwithstanding the foregoing provisions of this paragraph, if a Change in Control occurs when there are fewer than twelve
(12) months remaining during the Initial Term or an Additional Term, the term of this Agreement will extend automatically through the date that is twelve (12) months following the effective date of the Change in Control. If Executive
becomes entitled to benefits under Section 3 during the term of this Agreement, the Agreement will not terminate until all of the obligations of the parties hereto with respect to this Agreement have been satisfied. 

 2. At-Will Employment. The Company and Executive acknowledge that Executive’s
employment is and will continue to be at-will, as defined under applicable law. 
 3. Severance Benefits. 

(a) Termination without Cause or Other than Death or Disability or Resignation for Good Reason Within Twelve Months Following a Change
in Control. If on or within twelve (12) months following a Change in Control, (i) the Company terminates Executive’s employment with the Company for a reason other than (A) Cause, (B) Executive’s death, or
(C) Executive’s Disability, or (ii) Executive resigns for Good Reason, then, in each case subject to Section 4, Executive will receive the following severance from the Company: 

(i) Base Salary Severance. Executive will receive continuing payments of severance at a rate equal to Executive’s base
salary rate, less applicable withholdings, as in effect immediately prior to Executive’s termination of employment (unless such termination occurs as a result of clause (ii) of the definition of “Good Reason” under
Section 7(d) below, in which case the amount will be equal to Executive’s base salary as in effect immediately prior to such reduction) or, if greater, as in effect immediately prior to the Change in Control, for
twelve (12) months from the date of such termination of employment, to be paid periodically in accordance with the Company’s normal payroll policies. 
 (ii) Equity. One hundred percent (100%) of the unvested portion of the Executive’s then-outstanding equity awards (the “Awards”) will immediately vest and, to the extent
applicable, become exercisable, as of the date of such termination. The Awards will remain exercisable, to the extent applicable, following Executive’s termination for the period prescribed in the applicable equity plan and agreement for
each Award. 
 (iii) Continued Employee Benefits. If Executive elects continuation coverage pursuant to the Consolidated
Omnibus Budget Reconciliation Act of 1985, as amended (“COBRA”) for Executive and Executive’s eligible dependents (as applicable), within the time period prescribed pursuant to COBRA, the Company will reimburse Executive for,
or pay directly on Executive’s behalf, the COBRA premiums for such coverage (at the coverage levels in effect immediately prior to Executive’s termination of employment) until the earlier of (A) a period of
twelve (12) months from the last date of employment of the Executive with the Company, or (B) the date upon which Executive and/or Executive’s eligible dependents becomes covered under similar plans. However, if the Company
determines in its sole discretion that it cannot provide the COBRA benefits without potentially violating applicable law (including, without limitation, Section 2716 of the Public Health Service Act), the Company will in lieu thereof provide to
Executive a taxable monthly payment in an amount equal to the monthly COBRA premium that Executive would be required to pay to continue his group health coverage in effect on the date of his termination of employment (which amount will be based on
the premium for the first month of COBRA coverage), which payments will be made regardless of whether Executive elects COBRA continuation coverage. 

  
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 (b) Other Termination. If Executive’s employment with the Company terminates
other than as set forth in Section 3(a) above, then (i) all vesting will terminate immediately with respect to Executive’s outstanding Awards, (ii) all payments of compensation by the Company to Executive hereunder will terminate
immediately (except as to amounts already earned), and (iii) Executive will only be eligible for severance benefits in accordance with the Company’s established policies, if any, as then in effect. 

(c) Exclusive Remedy. In the event of a termination of Executive’s employment as set forth in Section 3(a) of this
Agreement, the provisions of Section 3 are intended to be and are exclusive and in lieu of and supersede any other rights or remedies to which Executive or the Company otherwise may be entitled, whether at law, tort or contract or in equity, or
under this Agreement (other than the payment of accrued but unpaid wages, as required by law, and any unreimbursed reimbursable expenses). Executive will be entitled to no benefits, compensation or other payments or rights upon termination of
employment other than those benefits expressly set forth in Section 3 of this Agreement. 
 4. Non-Duplication of
Benefits. In the event that Executive is entitled to benefits pursuant to this Agreement, the payments and benefits set forth herein are intended to be and are exclusive and in lieu of any payments or benefits set forth under Section 9 of
the Employment Agreement entered into between Executive and the Company of even date herewith (the “Employment Agreement”), and Executive will be entitled to no payments or benefits under Section 9 of the Employment Agreement.

 5. Conditions to Receipt of Severance 

(a) Release of Claims Agreement. The receipt of any severance payments or benefits pursuant to this Agreement
is subject to Executive signing and not revoking a separation agreement and release of claims in a form acceptable to the Company (the “Release”), which must become effective and irrevocable no later than the sixtieth (60th) day following Executive’s termination of employment (the
“Release Deadline”). If the Release does not become effective and irrevocable by the Release Deadline, Executive will forfeit any right to severance payments or benefits under this Agreement. No severance payments and benefits
under Section 3 of this Agreement will be paid or provided until the Release becomes effective and irrevocable, and, subject to Section 5(c) of this Agreement, any such severance payments and benefits otherwise payable between the date of
Executive’s termination of employment and the date the Release becomes effective and irrevocable will be paid on the date the Release becomes effective and irrevocable. 
 (b) Confidential Information and Invention Assignment Agreements. Executive’s receipt of any payments or benefits under Section 3 will be subject to Executive continuing to comply with
the terms of any confidential information and invention assignment agreement executed by Executive in favor of the Company (the “Confidentiality Agreement”) and the provisions of this Agreement. 

(c) Section 409A. 

  
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 (i) Notwithstanding anything to the contrary in this Agreement, no severance payments or
benefits payable to Executive, if any, pursuant to this Agreement that, when considered together with any other severance payments or separation benefits, is considered deferred compensation under Internal Revenue Code Section 409A (together,
the “Deferred Payments”) will be payable until Executive has a “separation from service” within the meaning of Section 409A (“Section 409A”) of the Internal Revenue Code of 1986, as amended (the
“Code”). Similarly, no severance payable to Executive, if any, pursuant to this Agreement that otherwise would be exempt from Section 409A pursuant to Treasury Regulation Section 1.409A-1(b)(9) will be payable until
Executive has a “separation from service” within the meaning of Section 409A. 
 (ii) Any
severance payments or benefits under this Agreement that would be considered Deferred Payments will be paid on, or, in the case of installments, will not commence until, the sixtieth (60th) day following Executive’s separation from service, or, if later, such time as required by
Section 5(c)(iii). Except as required by Section 5(c)(iii), any installment payments that would have been made to Executive during the sixty (60) day period immediately following Executive’s separation from service but for the
preceding sentence will be paid to Executive on the sixtieth (60th) day following Executive’s separation from service and the remaining payments shall be made as provided in this Agreement. 

(iii) Further, if Executive is a “specified employee” within the meaning of Section 409A at the time of Executive’s
separation from service (other than due to death), any Deferred Payments that otherwise are payable within the first six (6) months following Executive’s separation from service will become payable on the first payroll date that occurs on
or after the date six (6) months and one (1) day following the date of Executive’s separation from service. All subsequent Deferred Payments, if any, will be payable in accordance with the payment schedule applicable to each payment
or benefit. Notwithstanding anything herein to the contrary, in the event of Executive’s death following Executive’s separation from service but prior to the six (6) month anniversary of Executive’s separation from service (or
any later delay date), then any payments delayed in accordance with this paragraph will be payable in a lump sum as soon as administratively practicable after the date of Executive’s death and all other Deferred Payments will be payable in
accordance with the payment schedule applicable to each payment or benefit. Each payment and benefit payable under the Agreement is intended to constitute a separate payment for purposes of Section 1.409A-2(b)(2) of the Treasury Regulations.

 (iv) Any amount paid under this Agreement that satisfies the requirements of the “short-term deferral” rule set
forth in Section 1.409A-1(b)(4) of the Treasury Regulations will not constitute Deferred Payments for purposes of clause (i) above. Any amount paid under this Agreement that qualifies as a payment made as a result of an involuntary
separation from service pursuant to Section 1.409A-1(b)(9)(iii) of the Treasury Regulations that does not exceed the Section 409A Limit (as defined below) will not constitute Deferred Payments for purposes of clause (i) above.

 (v) The foregoing provisions are intended to comply with, or be exempt from, the requirements of Section 409A so that
none of the severance payments and benefits to be provided under the Agreement will be subject to the additional tax imposed under Section 409A, and any ambiguities herein will be interpreted to so comply or be exempt. Executive and the Company

  
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agree to work together in good faith to consider amendments to the Agreement and to take such reasonable actions which are necessary, appropriate or desirable to avoid imposition of any
additional tax or income recognition prior to actual payment to Executive under Section 409A. In no event will the Company reimburse Executive for any taxes that may be imposed on Executive as result of Section 409A. 

6. Limitation on Payments. In the event that the severance and other benefits provided for in this Agreement or otherwise payable
to Executive (i) constitute “parachute payments” within the meaning of Section 280G of the Code and (ii) but for this Section 6, would be subject to the excise tax imposed by Section 4999 of the Code, then
Executive’s severance benefits under Section 3 will be either: 
  

	 	(a)	delivered in full, or 

  

	 	(b)	delivered as to such lesser extent which would result in no portion of such severance benefits being subject to excise tax under Section 4999 of the Code,

 whichever of the foregoing amounts, taking into account the applicable federal, state and local income taxes and the excise tax
imposed by Section 4999, results in the receipt by Executive on an after-tax basis, of the greatest amount of severance benefits, notwithstanding that all or some portion of such severance benefits may be taxable under Section 4999 of the
Code. If a reduction in severance and other benefits constituting “parachute payments” is necessary so that benefits are delivered to a lesser extent, reduction will occur in the following order: (i) reduction of cash payments;
(ii) cancellation of awards granted “contingent on a change in ownership or control” (within the meaning of Code Section 280G), (iii) cancellation of accelerated vesting of equity awards; (iv) reduction of employee
benefits. In the event that acceleration of vesting of equity award compensation is to be reduced, such acceleration of vesting will be cancelled in the reverse order of the date of grant of Executive’s equity awards. 

Unless the Company and Executive otherwise agree in writing, any determination required under this Section 6 will be made in writing
by the Company’s independent public accountants immediately prior to the Change in Control (the “Accountants”), whose determination will be conclusive and binding upon Executive and the Company for all purposes. For purposes of
making the calculations required by this Section 6, the Accountants may make reasonable assumptions and approximations concerning applicable taxes and may rely on reasonable, good faith interpretations concerning the application of Sections
280G and 4999 of the Code. The Company and Executive will furnish to the Accountants such information and documents as the Accountants may reasonably request in order to make a determination under this Section. The Company will bear all costs the
Accountants may reasonably incur in connection with any calculations contemplated by this Section 6. 
 7. Definition of
Terms. For purposes of this Agreement, the following terms referred to in this Agreement will have the following meanings: 

(a) Cause. “Cause” means (i) conviction of any felony; (ii) conviction of any crime involving moral
turpitude or dishonesty that causes, or is likely to cause, material harm to the 

  
 -5-

 
Company; (iii) participation in a fraud or willful act of dishonesty against the Company that causes, or is likely to cause, material harm to the Company; (iv) intentional and material
damage to the Company’s property; or (v) material breach of the Company’s Proprietary Information and Inventions Agreement. 
 (b) Change in Control. “Change in Control” means the occurrence of any of the following: 
 (i) A change in the ownership of the Company which occurs on the date that any one person, or more than one person acting as a group (“Person”), acquires ownership of the stock of the
Company that, together with the stock held by such Person, constitutes more than 50% of the total voting power of the stock of the Company; provided, however, that for purposes of this subsection (i), the acquisition of additional stock by any one
Person, who is considered to own more than 50% of the total voting power of the stock of the Company will not be considered a Change in Control; or 
 (ii) A change in the effective control of the Company which occurs on the date that a majority of members of the Board (each, a “Director”) is replaced during any twelve (12) month
period by Directors whose appointment or election is not endorsed by a majority of the members of the Board prior to the date of the appointment or election. For purposes of this subsection (ii), if any Person is considered to be in effective
control of the Company, the acquisition of additional control of the Company by the same Person will not be considered a Change in Control; or 
 (iii) A change in the ownership of a substantial portion of the Company’s assets which occurs on the date that any Person acquires (or has acquired during the twelve (12) month period ending on
the date of the most recent acquisition by such person or persons) assets from the Company that have a total gross fair market value equal to or more than 50% of the total gross fair market value of all of the assets of the Company immediately prior
to such acquisition or acquisitions; provided, however, that for purposes of this subsection (iii), the following will not constitute a change in the ownership of a substantial portion of the Company’s assets: (A) a transfer to an entity
that is controlled by the Company’s stockholders immediately after the transfer, or (B) a transfer of assets by the Company to: (1) a stockholder of the Company (immediately before the asset transfer) in exchange for or with respect
to the Company’s stock, (2) an entity, 50% or more of the total value or voting power of which is owned, directly or indirectly, by the Company, (3) a Person, that owns, directly or indirectly, 50% or more of the total value or voting
power of all the outstanding stock of the Company, or (4) an entity, at least 50% of the total value or voting power of which is owned, directly or indirectly, by a Person described in this subsection (iii)(B)(3). For purposes of this
subsection (iii), gross fair market value means the value of the assets of the Company, or the value of the assets being disposed of, determined without regard to any liabilities associated with such assets. 

For purposes of this definition of Change in Control, persons will be considered to be acting as a group if they are owners of a
corporation that enters into a merger, consolidation, purchase or acquisition of stock, or similar business transaction with the Company. 

  
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 Notwithstanding the foregoing, a transaction will not be deemed a Change in Control unless
the transaction qualifies as a change in control event within the meaning of Code Section 409A, as it has been and may be amended from time to time, and any proposed or final Treasury Regulations and Internal Revenue Service guidance that has
been promulgated or may be promulgated thereunder from time to time. 
 Further and for the avoidance of doubt, a transaction
will not constitute a Change in Control if: (i) its sole purpose is to change the state of the Company’s incorporation, or (ii) its sole purpose is to create a holding company that will be owned in substantially the same proportions
by the persons who held the Company’s securities immediately before such transaction. 
 (c) Disability.
“Disability” means Executive is unable to engage in any substantial gainful activity by reason of any medically determinable physical or mental impairment that can be expected to result in death or can be expected to last for a
continuous period of not less than twelve (12) months. 
 (d) Good Reason. “Good Reason” means
Executive’s termination of employment within thirty (30) days following the expiration of any cure period (discussed below) following the occurrence of one or more of the following, without Executive’s express written consent:
(i) a material reduction of Executive’s duties, authority, or responsibilities, relative to Executive’s duties, authority, or responsibilities as in effect immediately prior to such reduction, or any change which results in Executive
ceasing to serve as the Chief Executive Officer of the Company, provided that, for the avoidance of doubt, Executive ceasing to serve as President of the Company or Executive Chairman of the Board shall not constitute “Good Reason”;
(ii) a material reduction by the Company in Executive’s annualized base pay as in effect immediately prior to such reduction (in other words, a reduction of more than ten percent (10%) of Executive’s annualized base compensation
in any one year, other than a reduction applicable to executives generally that does not adversely affect Executive to a greater extent than other similarly situated executives); (iii) the relocation of Executive’s principal place of
performing his duties as an employee of the Company by more than fifty (50) miles; or (iv) the failure of the Company to obtain the assumption of this Agreement by a successor. In order for an event to qualify as Good Reason, Executive
must not terminate employment with the Company without first providing the Company with written notice of the acts or omissions constituting the grounds for “Good Reason” within ninety (90) days of the initial existence of the
grounds for “Good Reason” and a reasonable cure period of not less than thirty (30) days following the date of such notice. 
 (e) Section 409A Limit. “Section 409A Limit” means the lesser of two (2) times: (i) Executive’s annualized compensation based upon the annual rate of pay paid
to Executive during the Executive’s taxable year preceding the Executive’s taxable year of Executive’s termination of employment as determined under, and with such adjustments as are set forth in, Treasury
Regulation 1.409A-1(b)(9)(iii)(A)(1) and any Internal Revenue Service guidance issued with respect thereto; or (ii) the maximum amount that may be taken into account under a qualified plan pursuant to Section 401(a)(17) of the Code
for the year in which Executive’s employment is terminated. 

  
 -7-

 8. Successors. 

(a) The Company’s Successors. Any successor to the Company (whether direct or indirect and whether by purchase, merger,
consolidation, liquidation or otherwise) to all or substantially all of the Company’s business and/or assets will assume the obligations under this Agreement and agree expressly to perform the obligations under this Agreement in the same manner
and to the same extent as the Company would be required to perform such obligations in the absence of a succession. For all purposes under this Agreement, the term “Company” will include any successor to the Company’s business
and/or assets which executes and delivers the assumption agreement described in this Section 8(a) or which becomes bound by the terms of this Agreement by operation of law. 

(b) Executive’s Successors. The terms of this Agreement and all rights of Executive hereunder will inure to the benefit of,
and be enforceable by, Executive’s personal or legal representatives, executors, administrators, successors, heirs, distributees, devisees and legatees. 
 9. Notice. 
 (a) General. Notices and all other communications
contemplated by this Agreement will be in writing and will be deemed to have been duly given when personally delivered or when mailed by U.S. registered or certified mail, return receipt requested and postage prepaid. In the case of Executive,
mailed notices will be addressed to him or her at the home address which he or she most recently communicated to the Company in writing. In the case of the Company, mailed notices will be addressed to its corporate headquarters, and all notices will
be directed to the General Counsel of the Company. 
 (b) Notice of Termination. Any termination by the Company for Cause
or by Executive for Good Reason or as a result of a voluntary resignation will be communicated by a notice of termination to the other party hereto given in accordance with Section 9(a) of this Agreement. Such notice will indicate the specific
termination provision in this Agreement relied upon, will set forth in reasonable detail the facts and circumstances claimed to provide a basis for termination under the provision so indicated, and will specify the termination date (which will be
not more than thirty (30) days after the giving of such notice). The failure by Executive to include in the notice any fact or circumstance which contributes to a showing of Good Reason will not waive any right of Executive hereunder or
preclude Executive from asserting such fact or circumstance in enforcing Executive’s rights hereunder. 
 10.
Miscellaneous Provisions. 
 (a) No Duty to Mitigate. Executive will not be required to mitigate the amount of any
payment contemplated by this Agreement, nor will any such payment be reduced by any earnings that Executive may receive from any other source. 
 (b) Waiver. No provision of this Agreement will be modified, waived or discharged unless the modification, waiver or discharge is agreed to in writing and signed by Executive and by an authorized
officer of the Company (other than Executive). No waiver by either 

  
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party of any breach of, or of compliance with, any condition or provision of this Agreement by the other party will be considered a waiver of any other condition or provision or of the same
condition or provision at another time. 
 (c) Headings. All captions and section headings used in this Agreement are for
convenient reference only and do not form a part of this Agreement. 
 (d) Entire Agreement. This Agreement, together
with the Confidentiality Agreement and the Employment Agreement, constitute the entire agreement of the parties hereto and supersedes in their entirety all prior representations, understandings, undertakings or agreements (whether oral or written
and whether expressed or implied) of the parties with respect to the subject matter hereof, including but not limited to the Executive Chairman Agreement entered into between Executive and the Company dated October 25, 2011 (the
“Chairman Agreement”) except with respect to Section 2 of the Chairman Agreement (“Confidentiality”) which will continue in effect following the Effective Date. No waiver, alteration, or modification of any of
the provisions of this Agreement will be binding unless in writing and signed by duly authorized representatives of the parties hereto and which specifically mention this Agreement. 

(e) Choice of Law. The validity, interpretation, construction, and performance of this Agreement will be governed by the laws of
the State of California (with the exception of its conflict of laws provisions). Any claims or legal actions by one party against the other arising out of the relationship between the parties contemplated herein (whether or not arising under this
Agreement) will be commenced or maintained in any state or federal court located in San Mateo County, California, and Executive and the Company hereby submit to the jurisdiction and venue of any such court. 

(f) Severability. The invalidity or unenforceability of any provision or provisions of this Agreement will not affect the validity
or enforceability of any other provision hereof, which will remain in full force and effect. 
 (g) Withholding. All
payments made pursuant to this Agreement will be subject to withholding of applicable income and employment taxes. 
 (h)
Counterparts. This Agreement may be executed in counterparts, each of which will be deemed an original, but all of which together will constitute one and the same instrument. 

o O o 

  
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 IN WITNESS WHEREOF, each of the parties has executed this Agreement, in the case of the
Company by its duly authorized officer, as of the day and year set forth below. 
  

							
	COMPANY:	 		 	
			
	PACIFIC BIOSCIENCES OF CALIFORNIA, INC.	 		 	
				
	By:	 	 /s/ Susan Barnes
	 		 	Date: January 19, 2012
		 	Susan Barnes	 		 	
				
	Title:	 	 Chief Financial Officer
	 		 	
			
	EXECUTIVE:	 		 	
			
	 /s/ Michael Hunkapiller
	 		 	Date: January 19, 2012
	Michael Hunkapiller	 		 	

  
 -10-

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