Document:

EX-10.15

 Exhibit 10.15 

ABCELLERA BIOLOGICS INC. 

2020 EMPLOYEE SHARE PURCHASE PLAN 

The purpose of the AbCellera Biologics Inc. 2020 Employee Share Purchase Plan (the “Plan”) is to provide eligible employees of
AbCellera Biologics Inc. (the “Company”) and each Designated Subsidiary (as defined in Section 11) with opportunities to purchase common shares of the Company (the “Common Shares”). 2,700,000 Common Shares in the aggregate
have been approved and reserved for this purpose, plus on each January 1 following the Initial Offering (as such term is defined below) and each January 1 thereafter until the Plan terminates pursuant to Section 20, the number of
Common Shares reserved and available for issuance under the Plan shall be cumulatively increased by the lesser of (i) one percent (1%) of the number of Common Shares issued and outstanding on the immediately preceding December 31, (ii)
2,700,000 Common Shares, or (iii) such lesser number of Common Shares as determined by the Administrator (as defined in Section 1). 

The Plan includes two components: a Code Section 423 Component (the “423 Component”) and a
non-Code Section 423 Component (the “Non-423 Component”). It is intended for the 423 Component to constitute an “employee stock purchase plan”
within the meaning of Section 423(b) of the U.S. Internal Revenue Code of 1986, as amended (the “Code”), and the 423 Component shall be interpreted in accordance with that intent. Under the
Non-423 Component, which does not qualify as an “employee stock purchase plan” within the meaning of Section 423(b) of the Code, options will be granted pursuant to rules, procedures or sub-plans adopted by the Administrator designed to achieve tax, securities laws or other objectives for eligible employees. Except as otherwise provided herein, the Non-423
Component will operate and be administered in the same manner as the 423 Component. Unless otherwise determined by the Administrator, Participants (as defined in Section 11) who are Canadian residents will participate in the Non-423 Component only. 

 Unless otherwise defined herein, capitalized terms in this Plan shall have the meaning
ascribed to them in Section 11. 
 1. Administration. The Plan will be administered by the person or persons (the
“Administrator”) appointed by the Company’s Board of Directors (the “Board”) for such purpose. The Administrator has authority at any time to: (i) adopt, alter and repeal such rules, guidelines and practices for the
administration of the Plan and for its own acts and proceedings as it shall deem advisable; (ii) interpret the terms and provisions of the Plan; (iii) make all determinations it deems advisable for the administration of the Plan, including
to accommodate the specific requirements of local laws, regulations and procedures for jurisdictions outside of Canada or the United States; (iv) decide all disputes arising in connection with the Plan; and (v) otherwise supervise the
administration of the Plan. All interpretations and decisions of the Administrator shall be binding on all persons, including the Company and the Participants. No member of the Board or individual exercising administrative authority with respect to
the Plan shall be liable for any action or determination made in good faith with respect to the Plan or any option granted hereunder. 
 2.
Offerings. The Company may make one or more offerings to eligible employees to purchase Common Shares under the Plan (“Offerings”). The initial Offering will begin and end on dates to be determined by the Administrator (the
“Initial Offering”). Thereafter, unless otherwise determined by the Administrator, an Offering will begin on the first business day occurring on or after each June 1st and December 1st
and will end on the last business day occurring on or before the following November 30th and May 31st, respectively. The Administrator may, in its discretion, designate a different period for any
Offering, provided that no Offering shall exceed 27 months in duration or overlap with any other Offering. 

  
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 3. Eligibility. All individuals classified and reflected as employees on the payroll
records of the Company and each Designated Subsidiary are eligible to participate in any one or more of the Offerings under the Plan, provided that, except as otherwise determined by the Administrator in advance of any Offering, as of the first day
of the applicable Offering (the “Offering Date”) they are customarily employed by the Company or a Designated Subsidiary for more than 20 hours a week and have completed at least 6 full months of employment. Notwithstanding any other
provision herein, individuals who are not contemporaneously classified as employees of the Company or a Designated Subsidiary for purposes of the Company’s or applicable Designated Subsidiary’s payroll system are not considered to be
eligible employees of the Company or any Designated Subsidiary and shall not be eligible to participate in the Plan. In the event any such individuals are reclassified as employees of the Company or a Designated Subsidiary for any purpose,
including, without limitation, common law or statutory employees, by any action of any third party, including, without limitation, any government agency, or as a result of any private lawsuit, action or administrative proceeding, such individuals
shall, notwithstanding such reclassification, remain ineligible for participation. Notwithstanding the foregoing, the exclusive means for individuals who are not contemporaneously classified as employees of the Company or a Designated Subsidiary on
the Company’s or Designated Subsidiary’s payroll system to become eligible to participate in this Plan is through the adoption of a subplan to this Plan, duly executed by the Company, which specifically renders such individuals eligible to
participate herein. 

  
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 4. Participation. 

(a) Participants in Offerings. An eligible employee who is not a Participant in any prior Offering may participate in a subsequent
Offering by submitting an enrollment form to his or her appropriate payroll location at least 15 business days before the Offering Date (or by such other deadline as shall be established by the Administrator for the Offering). 

(b) Enrollment. The enrollment form (which may be in an electronic format or such other method as determined by the Company in
accordance with the Company’s practices) will (a) state a whole percentage to be deducted from an eligible employee’s Compensation (as defined in Section 11) per pay period, (b) authorize the purchase of Common Shares in
each Offering in accordance with the terms of the Plan and (c) specify the exact name or names in which Common Shares purchased for such eligible employee are to be issued pursuant to Section 10. An employee who does not enroll in
accordance with these procedures will be deemed to have waived the right to participate. Unless a Participant files a new enrollment form or withdraws from the Plan, such Participant’s deductions and purchases will continue at the same
percentage of Compensation for future Offerings, provided he or she remains an eligible employee. 
 (c) Notwithstanding the foregoing,
participation in the 423 Component of the Plan will neither be permitted nor be denied contrary to the requirements of the Code. 
 5.
Employee Contributions. Each eligible employee may authorize payroll deductions at a minimum of 1 percent up to a maximum of 15 percent of such eligible employee’s Compensation for each pay period. The Company will maintain
book accounts showing the amount of payroll deductions made by each Participant for each Offering. No interest will accrue or be paid on payroll deductions, except as may be required by applicable law. 

  
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 6. Deduction Changes. Except as may be determined by the Administrator in advance of
an Offering, a Participant may not increase or decrease his or her payroll deduction during any Offering, but may increase or decrease his or her payroll deduction with respect to the next Offering (subject to the limitations of Section 5) by
filing a new enrollment form at least 15 business days before the next Offering Date (or by such other deadline as shall be established by the Administrator for the Offering). The Administrator may, in advance of any Offering, establish rules
permitting a Participant to increase, decrease or terminate his or her payroll deduction during an Offering. 
 7. Withdrawal. A
Participant may withdraw from participation in the Plan by delivering a written notice of withdrawal to his or her appropriate payroll location. The Participant’s withdrawal will be effective as of the next business day. Following a
Participant’s withdrawal, the Company will promptly refund such Participant’s entire account balance under the Plan to him or her (after payment for any Common Shares purchased before the effective date of withdrawal). Partial withdrawals
are not permitted. Such a Participant may not begin participation again during the remainder of the Offering, but may enroll in a subsequent Offering in accordance with Section 4, if the Participant remains an eligible employee on the
subsequent Offering Date. 

  
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 8. Grant of Options. On each Offering Date, the Company will grant to each eligible
employee who is then a Participant in the Plan an option (“Option”) to purchase on the last day of such Offering (the “Exercise Date”), at the Option Price hereinafter provided for, the lowest of (a) a number of Common
Shares determined by dividing such Participant’s accumulated payroll deductions on such Exercise Date by the Option Price (as defined herein), (b) 3,000 Common Shares; or (c) such other lesser maximum number of shares as shall have been
established by the Administrator in advance of the Offering; provided, however, that such Option shall be subject to the limitations set forth below. Each Participant’s Option shall be exercisable only to the extent of such Participant’s
accumulated payroll deductions on the Exercise Date. The purchase price for each share purchased under each Option (the “Option Price”) will be eighty-five (85%) of the Fair Market Value of the Common Shares on the Offering Date or the
Exercise Date, whichever is less. 
 Notwithstanding the foregoing, no Participant may be granted an Option hereunder if such Participant,
immediately after the Option was granted, would be treated as owning shares possessing 5 percent or more of the total combined voting power or value of all classes of shares of the Company or any Parent or Subsidiary (as defined in
Section 11). For purposes of the preceding sentence, the attribution rules of Section 424(d) of the Code shall apply in determining the shares ownership of a Participant, and all shares which the Participant has a contractual right to
purchase shall be treated as shares owned by the Participant. In addition, no Participant may be granted an Option which permits his or her rights to purchase shares under the Plan, and any other employee share purchase plan of the Company and its
Parents and Subsidiaries, to accrue at a rate which exceeds U.S. $25,000 of the Fair Market Value of such shares (determined on the option grant date or dates) for each calendar year in which the Option is outstanding at any time. The purpose of the
limitation in the preceding sentence is to comply with Section 423(b)(8) of the Code and shall be applied taking Options into account in the order in which they were granted. 

  
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 9. Exercise of Option and Purchase of Shares. Each eligible employee who continues to
be a Participant in the Plan on the Exercise Date shall be deemed to have exercised his or her Option on such date and shall acquire from the Company such number of whole Common Shares reserved for the purpose of the Plan as his or her accumulated
payroll deductions on such date will purchase at the Option Price, subject to any other limitations contained in the Plan. Any amount remaining in a Participant’s account at the end of an Offering solely by reason of the inability to purchase a
fractional share will be carried forward to the next Offering and any other balance remaining in a Participant’s account at the end of an Offering will be refunded to the Participant promptly. 

10. Issuance of Certificates. Certificates, or book entries for uncertificated shares, representing Common Shares purchased under the
Plan may be issued only in the name of the Participant, in the name of the Participant and another person of legal age as joint tenants with rights of survivorship, or in the name of a broker authorized by the Participant to be his, her or their,
nominee for such purpose. 
 11. Definitions. 

The term “Compensation” means the amount of base pay, prior to salary reduction (such as pursuant to Sections 125, 132(f) or
401(k) of the Code), but excluding overtime, commissions, incentive or bonus awards, allowances and reimbursements for expenses such as relocation allowances or travel expenses, income or gains on the exercise of Company share options, and similar
items. The Administrator shall have the discretion to determine the application of this definition to Participants outside of Canada or the United States. 
  

  
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 The term “Designated Subsidiary” means any present or future Subsidiary (as
defined below) that has been designated by the Board to participate in the Plan. The Board may so designate any Subsidiary, or revoke any such designation, at any time and from time to time, either before or after the Plan is approved by the
shareholders, and may further designate such companies or Participants as participating in the 423 Component or the Non-423 Component. The Board may also determine which Affiliates or eligible employees may be
excluded from participation in the Plan, to the extent consistent with Section 423 of the Code or as implemented under the Non-423 Component, and determine which Designated Subsidiary or Subsidiaries will
participate in separate Offerings (to the extent that the Company makes separate Offerings). For purposes of the 423 Component, only the Company and its Subsidiaries may be Designated Subsidiaries; provided, however, that at any given time, a
Subsidiary that is a Designated Subsidiary under the 423 Component will not be a Designated Subsidiary under the Non-423 Component. The current list of Designated Subsidiaries is attached hereto as Appendix A.

 The term “Fair Market Value of the Common Shares” on any given date means the fair market value of the Common Shares determined
in good faith by the Administrator; provided, however, that if the Common Shares is admitted to quotation on the National Association of Securities Dealers Automated Quotation System (“NASDAQ”), Nasdaq Global Market or another national
securities exchange, the determination shall be made by reference to the closing price on such date. If there is no closing price for such date, the determination shall be made by reference to the last date preceding such date for which there is a
closing price. 
 The term “Initial Public Offering” means the first underwritten, firm commitment public offering pursuant to an
effective registration statement under the U.S. Securities Act of 1933, as amended, covering the offer and sale by the Company of its Common Shares. 

The term “Parent” means a “parent corporation” with respect to the Company, as defined in Section 424(e) of the Code.

  
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 The term “Participant” means an individual who is eligible as determined in
Section 3 and who has complied with the provisions of Section 4. 
 The term “Registration Date” means the date on which
the registration statement on Form S-1 that is filed by the Company with respect to its Initial Public Offering is declared effective by the U.S. Securities and Exchange Commission. 

The term “Subsidiary” means a “subsidiary corporation” with respect to the Company, as defined in Section 424(f) of
the Code. 
 The term “Termination Date” means, with respect to any Participant who is a Canadian resident, subject to any minimum
applicable requirements contained in applicable employment standards legislation, the earlier of: 
 (i) if the eligible employee’s
employment is terminated by the Company or Designated Subsidiary for any reason (whether lawful or unlawful), the earlier of (a) the date designated, if any, by the Company or Designated Subsidiary as the date on which the eligible
employee’s employment ceases, or (b) the eligible employee’s last day of actual and active employment with the Company or Designated Subsidiary, whether such day is selected by agreement with the eligible employee or unilaterally by
the Company or Designated Subsidiary or otherwise; and, for the avoidance of doubt, in case of either (a) or (b), without regard to any period of notice of termination, pay in lieu of notice of termination, severance pay or other damages paid
or payable to the eligible employee, under contract or common law, in or in respect of a period which follows the eligible employee’s last day of actual and active employment with the Company or Designated Subsidiary; 

(ii) if the eligible employee dies, the date of death; or 

  
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 (iii) if the eligible employee’s employment is terminated by the eligible employee, the
date on which the eligible employee provides notice of resignation to the Company or Designated Subsidiary; or 
 (iv) if the Participant
ceases to be an eligible employee for any reason not contemplated above, the date determined by the Company as the date the Participant ceases to be an eligible employee for purposes of the Plan. 

12. Rights on Termination or Transfer of Employment. If a Participant’s employment terminates for any reason before the Exercise
Date for any Offering, no payroll deduction will be taken from any pay due and owing to the Participant and the balance in the Participant’s account will be paid to such Participant or, in the case of such Participant’s death, to his or
her designated beneficiary as if such Participant had withdrawn from the Plan under Section 7. A Participant will be deemed to have terminated employment, for this purpose, if the corporation that employs him or her, having been a Designated
Subsidiary, ceases to be a Subsidiary, or if the Participant is transferred to any corporation other than the Company or a Designated Subsidiary. Unless otherwise determined by the Administrator, a Participant whose employment transfers between, or
whose employment terminates with an immediate rehire (with no break in service) by, Designated Subsidiaries and the Company will not be treated as having terminated employment for purposes of participating in the Plan or an Offering; provided,
however, that if a Participant transfers from an Offering under the 423 Component to an Offering under the Non-423 Component, the exercise of the Participant’s Option will be qualified under the 423
Component only to the extent that such exercise complies with Section 423 of the Code. If a Participant transfers from an Offering under the Non-423 Component to an Offering under the 423 Component, the
exercise of the Participant’s Option will remain non-qualified under the Non-423 Component. Further, a Participant will not be deemed to have terminated employment for this purpose, if the Participant is
on an approved leave of absence for military service or sickness or for any other purpose approved by the Company, if the employee’s right to such leave is protected either by a statute or by contract or under the policy pursuant to which the
leave of absence was granted or if the Administrator otherwise provides in writing. A Participant who is a Canadian resident will be deemed to have terminated employment on the Participant’s Termination Date. 

  
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 13. Special Rules. Notwithstanding anything herein to the contrary, the Administrator
may adopt special rules applicable to the employees of a particular Designated Subsidiary, whenever the Administrator determines that such rules are necessary or appropriate for the implementation of the Plan in a jurisdiction where such Designated
Subsidiary has employees; provided that such rules are consistent with the requirements of Section 423(b) of the Code. Any special rules established pursuant to this Section 13 shall, to the extent possible, result in the employees subject
to such rules having substantially the same rights as other Participants in the Plan. 
 14. Optionees Not Shareholders. Neither the
granting of an Option to a Participant nor the deductions from his or her pay shall constitute such Participant a holder of the Common Shares covered by an Option under the Plan until such shares have been purchased by and issued to him or her. 

15. Rights Not Transferable. Rights under the Plan are not transferable by a Participant other than by will or the laws of descent and
distribution, and are exercisable during the Participant’s lifetime only by the Participant. 

  
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 16. Application of Funds. All funds received or held by the Company under the Plan
may be combined with other corporate funds and may be used for any corporate purpose, unless otherwise required under applicable law. 
 17.
Adjustment in Case of Changes Affecting Shares and Transactions. 
 (a) Adjustment in Case of Changes Affecting Common Shares.
If any change is made in the Shares, or subject to any Option under the Plan, without the receipt of consideration by the Company (through merger, consolidation, amalgamation, reorganization, recapitalization, reincorporation, stock dividend,
dividend in property other than cash, stock split, liquidating dividend, combination of shares, exchange of shares, change in corporate structure or other transaction not involving the receipt of consideration by the Company), the Plan will be
appropriately adjusted in the class(es) and maximum number of Shares subject to the Plan and the share limitation subject to Section 8, if any, and the outstanding Options will be appropriately adjusted in the class(es), number of Shares and
share limitations of such outstanding Options. The Board shall make such adjustments, and its determination shall be final, binding and conclusive. (The conversion of any convertible securities of the Company shall not be treated as a transaction
that does not involve the receipt of consideration by the Company.) 
 (b) Corporate Transactions. Without limitation on the
preceding provisions, in the event of any corporate transaction, the Board may make such adjustment it deems appropriate to prevent dilution or enlargement of rights in the number and class of Shares which may be delivered under the Plan, in the
number, class of or Option Price available for purchase under the Plan and in the number of the Shares which an employee is entitled to purchase and any other adjustments it deems appropriate. Without limiting the Board’s authority under this
Plan, in the event of any transaction, the Board may elect to have the Options hereunder assumed or such Options substituted by a successor entity, to terminate all outstanding Options (without consent), either prior to their expiration or upon
completion of the purchase of Shares on the next Exercise Date, to shorten the Offering by setting a new Exercise Date or to take such other action deemed appropriate by the Board. 

  
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 18. Amendment of the Plan. The Board may at any time and from time to time amend the
Plan in any respect, except that without the approval within 12 months of such Board action by the shareholders, no amendment shall be made increasing the number of shares approved for the 423 Component of the Plan or making any other change that
would require shareholder approval in order for the 423 Component of the Plan, as amended, to qualify as an “employee stock purchase plan” under Section 423(b) of the Code. 

19. Insufficient Shares. If the total number of Common Shares that would otherwise be purchased on any Exercise Date plus the number of
shares purchased under previous Offerings under the Plan exceeds the maximum number of shares issuable under the Plan, the shares then available shall be apportioned among Participants in proportion to the amount of payroll deductions accumulated on
behalf of each Participant that would otherwise be used to purchase Common Shares on such Exercise Date. 
 20. Termination of the
Plan. The Plan may be terminated at any time by the Board. Upon termination of the Plan, all amounts in the accounts of Participants shall be promptly refunded. Unless terminated earlier, the Plan shall automatically terminate on the ten year
anniversary of the Registration Date. 
 21. Governmental Regulations. The Company’s obligation to sell and deliver Common
Shares under the Plan subject to obtaining all governmental approvals required in connection with the authorization, issuance, or sale of such shares. 

  
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 22. Governing Law. This Plan and all Options and actions taken thereunder shall be
governed by, and construed in accordance with the Province of British Columbia as to matters within the scope thereof, and as to all other matters shall be governed by and construed in accordance with the internal laws of the Province of British
Columbia applied without regard to conflict of law principles. 
 23. Issuance of Shares. Shares may be issued upon exercise of an
Option from authorized but unissued Common Shares, from shares held in the treasury of the Company, or from any other proper source. 
 24.
Tax Withholding. Participation in the Plan is subject to any minimum required tax withholding on income of the Participant in connection with the Plan. Each Participant agrees, by entering the Plan, that the Company and its Subsidiaries shall
have the right to deduct any such taxes from any payment of any kind otherwise due to the Participant, including shares issuable under the Plan. 

25. Notification Upon Sale of Shares Under the 423 Component. Each Participant agrees, by entering the 423 Component of the Plan, to
give the Company prompt notice of any disposition of shares purchased under the Plan where such disposition occurs within two years after the date of grant of the Option pursuant to which such shares were purchased or within one year after the date
such shares were purchased. 
 26. Effective Date and Approval of Shareholders. The Plan shall take effect on the date immediately
preceding the date of the Company’s Initial Public Offering, subject to approval by the holders of a majority of the votes cast at a meeting of shareholders at which a quorum is present or by written consent of the shareholders. 

  
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 27. Compliance with Employment Standards. The Plan shall not be interpreted as in any
way waiving or contracting out of the minimum applicable requirements contained in applicable employment standards legislation and shall be interpreted to achieve compliance with such requirements. It is understood and agreed that all provisions of
the Plan are subject to all applicable minimum requirements under applicable employment standards legislation and, in the event that any such minimum requirement provides for superior right or entitlement than provided for under the terms of the
Plan, such right or entitlement shall be provided to the Participant, in substitution of the Participant’s right or entitlement under the Plan. Except if and as required by the minimum applicable requirements of applicable employment standards
legislation, no Participant will be entitled to any damages or other compensation in respect of the termination of the Participant’s participation in the Plan due to termination of the Participant’s employment with the Company or
Designated Subsidiary for any reason. 
 Date Approved: December 1, 2020 

  
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 APPENDIX A 

Designated Subsidiaries 

  
 16EX-10.16

 Exhibit 10.16 

ABCELLERA BIOLOGICS INC. 

EXECUTIVE SEVERANCE PLAN 

1. Purpose. AbCellera Biologics Inc., a company incorporated under the Business Corporations Act (British Columbia) (the
“Company”), considers it essential to the best interests of its shareholders to foster the continuous employment of key management personnel. The Board of Directors of the Company (the “Board”) recognizes, however,
that, as is the case with many publicly-held corporations, the possibility of an involuntary termination of employment, either before or after a Change in Control (as defined in Section 2 hereof), exists and that such possibility, and the
uncertainty and questions that it may raise among management, may result in the departure or distraction of management personnel to the detriment of the Company and its shareholders. Therefore, the Board has determined that the AbCellera Biologics
Inc. Executive Severance Plan (the “Plan”) should be adopted to reinforce and encourage the continued attention and dedication of the Company’s Covered Executives (as defined in Section 2 hereof) to their assigned duties
without distraction. Nothing in this Plan shall be construed as creating an express or implied contract of employment and nothing shall alter the “at will” nature of the Covered Executives’ employment with the Company, as applicable.

 2. Definitions. The following terms shall be defined as set forth below: 

(a) “Accounting Firm” means an independent accounting firm selected by the Company. 

(b) “Accrued Benefits” means any earned but unpaid salary, unpaid expense reimbursements in accordance with Company policy,
accrued but unused vacation or leave entitlement, and any vested benefits a Covered Executive may have under any employee benefit plan of the Company in accordance with the terms and conditions of such employee benefit plan as of a Date of
Termination. 
 (c) “Administrator” means the Board or the Compensation Committee of the Board. 

(d) “Base Salary” means the higher of (i) the annual base salary in effect immediately prior to the Date of Termination
or (ii) the annual base salary in effect for the year immediately prior to the year in which the Date of Termination occurs. 
 (e)
“Cause” means, and shall be limited to, the occurrence of any one or more of the following events: 
 (i)
the Covered Executive’s unauthorized use or disclosure of the Company’s confidential information or trade secrets; 

(ii) the Covered Executive’s material breach of any agreement between the Covered Executive and the Company; 

(iii) the Covered Executive’s material failure to comply with the Company’s written policies or rules; 

  
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 (iv) the Covered Executive’s gross negligence or willful misconduct in
connection with the Covered Executive’s performance of his/her duties to the Company; 
 (v) the Covered
Executive’s continuing failure to perform assigned duties after receiving written notification of the failure from the Company and, if curable, a period of thirty (30) days to cure such failure; 

(vi) the conviction of, indictment for or plea of nolo contendere by the Covered Executive to a felony, indictable offence or a
crime involving moral turpitude; 
 (vii) the Covered Executive’s failure to cooperate in good faith with a governmental
or internal investigation of the Company or its directors, officers or employees, if the Company has requested the Covered Executive’s cooperation; 

(viii) any other act or omission by the Covered Executive, which would constitute just cause under applicable common law. 

(f) “Change in Control” means a Sale Event, as defined in the AbCellera Biologics Inc. 2020 Share Option and Incentive Plan,
as amended from time to time. 
 (g) “Change in Control Period” means the period beginning on the date of a Change in
Control and ending on the one-year anniversary of the Change in Control. 
 (h)
“Code” means the United States Internal Revenue Code of 1986, as amended. 
 (i) “Covered Executives”
means Tier 1 Executive and those other employees designated by the Administrator in its sole discretion as the Tier 2 Executives, and, in each case, who meet the eligibility requirements set forth in Section 4 of the Plan. 

(j) “Date of Termination” means the date that a Covered Executive’s employment with the Company (or any successor) ends,
which date shall be specified in the Notice of Termination. Notwithstanding the foregoing, a Covered Executive’s employment shall not be deemed to have been terminated solely as a result of the Covered Executive becoming an employee of any
direct or indirect successor to the business or assets of the Company. 
 (k) “Disability” means the following: if through
any illness, injury, accident or condition of either a physical or psychological nature, the Covered Executive becomes unable to perform substantially all of his duties and responsibilities, with all accommodations required by law, for a period of
twenty-six (26) weeks, whether or not consecutive, within a fifty-two (52) week period, and that in the opinion of the Company, acting on the basis of advice from a duly qualified medical practitioner, is likely to continue to a similar degree in
the foreseeable future. 

  
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 (l) “Good Reason” means that the Covered Executive has complied with the
“Good Reason Process” following the occurrence of any of the following events: 
 (i) a material diminution in the
Covered Executive’s annual base salary other than across the board decreases in annual base salary similarly affecting all executives of the Company; 

(ii) the Company requiring the Covered Executive to relocate (other than for travel incident to the Covered Executive’s
performance of his or her duties on behalf of the Company and other than as previously agreed upon between the Covered Executive and the Company) a distance of more than fifty (50) miles from the Covered Executive’s current principal place
of business; or 
 (iii) any material diminution in the Covered Executive’s position, responsibilities, authority or
duties in his or her capacity as an officer, vice president or department head of the Company. 
 For purposes of Section 2(l)(iii), a change in the
reporting relationship, or a change in a title will not, by itself, be sufficient to constitute a material diminution of responsibilities, authority or duty. 

(m) “Good Reason Process” means: 

(i) the Covered Executive reasonably determines in good faith that a “Good Reason” condition has occurred; 

(ii) the Covered Executive notifies the Company in writing of the first occurrence of the Good Reason condition within sixty
(60) days of the first occurrence of such condition; 
 (iii) the Covered Executive cooperates in good faith with the
Company’s efforts, for a period of not less than thirty (30) days following such notice (the “Cure Period”), to remedy the condition; 

(iv) notwithstanding such efforts, the Good Reason condition continues to exist following the Cure Period; and 

(v) the Covered Executive terminates his or her employment and provides the Company with a Notice of Termination with respect
to such termination, each within sixty (60) days after the end of the Cure Period. 
 If the Company cures the Good Reason condition
during the Cure Period, Good Reason shall be deemed not to have occurred. 
 (n) “Notice of Termination” means a written
notice which shall indicate the specific termination provision in this Plan relied upon for the termination of a Covered Executive’s employment and the Date of Termination. 

(o) “Participation Agreement” means an agreement between a Covered Executive and the Company that acknowledges the Covered
Executive’s participation in the Plan.  

  
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 (p) “Qualified Termination Event” means (i) a
termination of the Covered Executive’s employment by the Company other than for Cause, death or Disability or (ii) the Covered Executive’s resignation from the Company for Good Reason. 

(q) “Restrictive Covenants Agreement” means a confidentiality and proprietary inventions assignment agreement or similar
agreement entered into between the Covered Executive and the Company. 
 (r) “Tier 1 Executive” means the Company’s
Chief Executive Officer. 
 (s) “Tier 2 Executives” means the individuals designated as such by the Administrator and who
are listed in Exhibit A, attached hereto, as such exhibit is amended by the Administrator from time to time. 
 3. Administration
of the Plan.  
 (a) Administrator. The Plan shall be administered by the Administrator. 

(b) Powers of Administrator. The Administrator shall have all powers necessary to enable it properly to carry out its duties with
respect to the complete control of the administration of the Plan. Not in limitation, but in amplification of the foregoing, the Administrator shall have the power and authority in its discretion to: 

(i) construe the Plan to determine all questions that shall arise as to interpretations of the Plan’s provisions; 

(ii) determine which individuals are and are not Covered Executives, designate an individual as a Tier 2 Executive, determine
the benefits to which any Covered Executives may be entitled, the eligibility requirements for participation in the Plan and all other matters pertaining to the Plan; 

(iii) adopt amendments to the Plan which are deemed necessary or desirable to comply with all applicable laws and regulations,
including but not limited to Code Section 409A and the guidance thereunder; 
 (iv) make all determinations it deems
advisable for the administration of the Plan, including the authority and ability to delegate administrative functions to a third party; 

(v) decide all disputes arising in connection with the Plan; and 

(vi) otherwise supervise the administration of the Plan. 

(c) All decisions and interpretations of the Administrator shall be binding on all persons, including the Company and Covered Executives. 

  
 4 

 4. Eligibility. All Covered Executives who have executed and submitted to the Company
a Participation Agreement, and satisfied such other requirements as may be determined by the Administrator, are eligible to participate in the Plan. The Administrator may determine at any time that a Covered Executive should no longer be designated
as eligible as a result of a material change in such Covered Executive’s role, and such individual shall cease to be eligible to participate in the Plan upon the Administrator taking action by resolution to update the applicable Exhibit hereto.

 5. Termination Benefits Generally. In the event a Covered Executive’s employment with the Company is terminated for any
reason, the Company shall pay or provide to the Covered Executive any Accrued Benefits, within the time required by law but in no event more than sixty (60) days after the Date of Termination. 

6. Termination Not in Connection with a Change in Control. In the event of a Qualified Termination Event occurs at any time other than
during the Change in Control Period, with respect to such Covered Executive, in addition to the Accrued Benefits, subject to his or her execution of a separation agreement in a form and manner satisfactory to the Company containing, among other
provisions, a general release of claims in favor of the Company and related persons and entities, confidentiality, return of property, non-disparagement and reaffirmation of the Restrictive Covenants
Agreement(s) (the “Separation Agreement and Release”) and the Separation Agreement and Release becoming irrevocable, to the extent required, all within the time period set forth in the Separation Agreement and Release but in no
event more than sixty (60) days after the Date of Termination, and subject to the Covered Executive complying with the Separation Agreement and Release, the Company shall: 

(a) pay the Covered Executive an amount equal eighteen (18) months’ Base Salary for the Tier 1 Executive and twelve
(12) months’ Base Salary for each Tier 2 Executive; and 
 (b) (i) for U.S. Covered Executives, if the Covered Executive was
participating in the Company’s group health plan immediately prior to the Date of Termination and elects COBRA health continuation, then the Company shall pay to the Covered Executive a monthly cash payment in an amount equal to the monthly
employer contribution that the Company would have made to provide health insurance to the Covered Executive if the Covered Executive had remained employed by the Company for eighteen (18) months for the Tier 1 Executive and twelve
(12) months for each Tier 2 Executive, after the Date of Termination, based on the premiums as of the Date of Termination and (ii) for Canadian Covered Executives, subject to any insurer approval and required exclusions, the Company shall
continue all of the Covered Executive’s health benefits for eighteen (18) months for the Tier 1 Executive and twelve (12) months for each Tier 2 Executive, after the Date of Termination, subject to the terms and conditions of the applicable
plan, provided that in no case will a Canadian Covered Executive receive less benefit continuation than is required by applicable employment standards legislation. 

The amounts payable and benefits provided under Section 6(a) and (b), as applicable, shall be paid out in a substantially equal installments in accordance
with the Company’s payroll practice over eighteen (18) months for the Tier 1 Executive and twelve (12) months for the Tier 2 Executive commencing within sixty (60) days after the Date of Termination or such earlier date as is required by
applicable employment standards legislation; provided, however, that in respect of Covered Employees who are U.S. taxpayers, if the 60-day period begins in one calendar year and ends in a second calendar year, the amounts, to the extent they qualify
as “non-qualified deferred compensation” within the meaning of Code Section 409A, shall begin to be paid in the second calendar year no later than the last day of such 60-day period; provided further, that the initial payment shall include
a catch-up payment to cover amounts retroactive to the day immediately following the Date of Termination. Each payment pursuant to this Plan is intended to constitute a separate payment for purposes of Treasury Regulation Section 1.409A-2(b)(2).

 Notwithstanding the foregoing or anything else to the contrary in the Plan, (i) to the extent that the amounts payable and any benefits provided under
Section 6(a) and (b) are less than a Canadian Covered Executive’s minimum entitlements under applicable employment standards legislation in any respect, the Canadian Covered Executive shall receive those amounts and benefits as expressly
required by such legislation, and (ii) receipt by a Canadian Covered Executive of any minimum entitlements as expressly required by applicable employment standards legislation shall not be conditional on the Canadian Covered Executive’s
execution of the Separation Agreement and Release. 

  
 5 

 7. Termination in Connection with a Change in Control. In the event a Qualified
Termination Event occurs within the Change in Control Period, then with respect to such Covered Executive, in addition to the Accrued Benefits, subject to his or her execution and non-revocation of the
Separation Agreement and Release, all within the time period set forth in the Separation Agreement and Release, but in no event more than sixty (60) days after the Date of Termination, the Company shall: 

(a) cause 100% of the outstanding and unvested equity awards with time-based vesting held by the Covered Executive to immediately become fully
vested, exercisable or nonforfeitable as of the Date of Termination; provided, that the performance conditions applicable to any outstanding and unvested equity awards subject to performance conditions will be deemed satisfied at the target level
specified in the terms of the applicable award agreement.5 Notwithstanding the foregoing, in the event of a Change in Control where the parties to such Change in Control do not provide for the
assumption, continuation or substitution of equity awards of the Company, any and all outstanding and unvested equity awards held by the Covered Executive shall be subject to Section 3(c) of the Company’s 2020 Share Option and Incentive
Plan, as amended from time to time; 
 (b) pay to the Covered Executive an amount equal to the sum of (i) 150% of Base Salary for the Tier 1
Executive and 100% of Base Salary for each Tier 2 Executive plus (ii) 150% for the Tier 1 Executive and 100% for each Tier 2 Executive, of the Covered Executive’s annual target bonus in effect immediately prior to the Qualified Termination
Event (or the Covered Executive’s target bonus in effect immediately prior to the Change in Control, if higher); and 
 (c) (i) for
U.S. Covered Executives, if the Covered Executive was participating in the Company’s group health plan immediately prior to the Date of Termination and elects COBRA health continuation, then the Company shall pay to the Covered Executive a lump
sum cash payment in an amount equal to the monthly employer contribution that the Company would have made to provide health insurance to the Covered Executive if the Covered Executive had remained employed by the Company for eighteen
(18) months for the Tier 1 Executive and twelve (12) months for each Tier 2 Executive, after the Date of Termination, based on the premiums as of the Date of Termination, and (ii) for Canadian Covered Executives, subject to any insurer
approval and required exclusions, the Company shall continue all of the Covered Executive’s health benefits for eighteen (18) months for the Tier 1 Executive and twelve (12) months for each Tier 2 Executive, after the Date of Termination,
subject to the terms and conditions of the applicable plan, provided that in no case will a Canadian Covered Executive receive less benefit continuation than is required by applicable employment standards legislation. 

The amounts payable and benefits provided under Section 7(b) and (c), as applicable, shall be paid out in a lump sum within sixty (60) days after the Date of
Termination or such earlier date as is required by applicable employment standards legislation; provided, however, that in respect of Covered Employees who are U.S. taxpayers, if the 60-day period begins in one calendar year and ends in a second
calendar year, the amounts, to the extent they qualify as “non-qualified deferred compensation” within the meaning of Code Section 409A, shall be paid in the second calendar year no later than the last day of the 60-day period. For the
avoidance of doubt, the severance pay and benefits provided in this Section 7 shall apply in lieu of, and expressly supersede, the provisions of Section 6 and no Covered Executive shall be entitled to the severance pay and benefits under both
Section 6 and 7 hereof. 
 Notwithstanding the foregoing or anything else to the contrary in the Plan, (i) to the extent that the amounts payable and any
benefits provided under Section 7(a) and (b) are less than a Canadian Covered Executive’s minimum entitlements under applicable employment standards legislation in any respect, the Canadian Covered Executive shall receive those amounts and
benefits as expressly required by such legislation, and (ii) receipt by a Canadian Covered Executive of any minimum entitlements as expressly required by applicable employment standards legislation shall not be conditional on the Canadian Covered
Executive’s execution of the Separation Agreement and Release. 

  
 6 

 8. Additional Limitation. 

(a) Anything in this Plan to the contrary notwithstanding, in the event that the amount of any compensation, payment or distribution by the
Company to or for the benefit of the Covered Executive, whether paid or payable or distributed or distributable pursuant to the terms of this Plan or otherwise, calculated in a manner consistent with Section 280G of the Code and the applicable
regulations thereunder (the “Aggregate Payments”), would be subject to the excise tax imposed by Section 4999 of the Code, then the Aggregate Payments shall be reduced (but not below zero) so that the sum of all of the
Aggregate Payments shall be $1.00 less than the amount at which the Covered Executive becomes subject to the excise tax imposed by Section 4999 of the Code; provided that such reduction shall only occur if it would result in the Covered
Executive receiving a higher After Tax Amount (as defined below) than the Covered Executive would receive if the Aggregate Payments were not subject to such reduction. In the event of such reduction, the Aggregate Payments shall be reduced in the
following order, in each case, in reverse chronological order beginning with the Aggregate Payments that are to be paid the furthest in time from consummation of the transaction that is subject to Section 280G of the Code: (i) cash
payments not subject to Section 409A of the Code; (ii) cash payments subject to Section 409A of the Code; (iii) equity-based payments and acceleration; and (iv) non-cash forms of
benefits; provided that in the case of all the foregoing Aggregate Payments all amounts or payments that are not subject to calculation under Treas. Reg. §1.280G-1,
Q&A-24(b) or (c) shall be reduced before any amounts that are subject to calculation under Treas. Reg. §1.280G-1,
Q&A-24(b) or (c). 
 (b) For purposes of this Section 8, the “After Tax
Amount” means the amount of the Aggregate Payments less all federal, state, and local income, excise and employment taxes imposed on the Covered Executive as a result of the Covered Executive’s receipt of the Aggregate Payments. For
purposes of determining the After Tax Amount, the Covered Executive shall be deemed to pay federal income taxes at the highest marginal rate of federal income taxation applicable to individuals for the calendar year in which the determination is to
be made, and state and local income taxes at the highest marginal rates of individual taxation in each applicable state and locality, net of the maximum reduction in federal income taxes (if any) which could be obtained from deduction of such state
and local taxes. 
 (c) The determination as to whether a reduction in the Aggregate Payments shall be made pursuant to Section 8(a)
shall be made by the Accounting Firm, which shall provide detailed supporting calculations both to the Company and the Covered Executive within fifteen (15) business days of the Date of Termination, if applicable, or at such earlier time as is
reasonably requested by the Company or the Covered Executive. Any determination by the Accounting Firm shall be binding upon the Company and the Covered Executive. 

9. Restrictive Covenants Agreement. 
 As
a condition to participating in the Plan, each Covered Executive shall continue to comply with the terms and conditions contained in the Restrictive Covenants Agreements or similar agreement entered into between the Covered Executive and the Company
and such other agreement(s) as designated in the applicable Participation Agreement. If a Covered Executive has not entered into a Restrictive Covenants Agreement or similar agreement with the Company, he or she shall enter into such agreement prior
to participating in the Plan.  

  
 7 

 10. Withholding. All payments made by the Company under this Plan shall be subject to
any tax or other amounts required to be withheld by the Company under applicable law. 
 11. Section 409A. 

(a) Anything in this Plan to the contrary notwithstanding, if at the time of the Covered Executive’s “separation from service”
within the meaning of Section 409A of the Code, the Company determines that the Covered Executive is a “specified employee” within the meaning of Section 409A(a)(2)(B)(i) of the Code, then to the extent any payment or benefit
that the Covered Executive becomes entitled to under this Plan would be considered deferred compensation subject to the twenty (20) percent additional tax imposed pursuant to Section 409A(a) of the Code as a result of the application of
Section 409A(a)(2)(B)(i) of the Code, such payment shall not be payable and such benefit shall not be provided until the date that is the earlier of (i) six (6) months and one (1) day after the Covered Executive’s separation from
service, or (ii) the Covered Executive’s death. If any such delayed cash payment is otherwise payable on an installment basis, the first payment shall include a catch-up payment covering amounts that
would otherwise have been paid during the six-month period but for the application of this provision, and the balance of the installments shall be payable in accordance with their original schedule. 

(b) The parties intend that this Plan will be administered in accordance with Section 409A of the Code and that all amounts payable
hereunder shall be exempt from the requirements of such section as a result of being “short term deferrals” for purposes of Section 409A of the Code to the greatest extent possible. To the extent that any provision of this Plan is not
exempt from Section 409A of the Code and ambiguous as to its compliance with Section 409A of the Code, the provision shall be read in such a manner to comply with Section 409A of the Code. Each payment pursuant to this Plan is
intended to constitute a separate payment for purposes of Treasury Regulation Section 1.409A-2(b)(2). The parties agree that this Plan may be amended, as reasonably requested by either party, and as may
be necessary to fully comply with Section 409A of the Code and all related rules and regulations in order to preserve the payments and benefits provided hereunder without additional cost to either party. 

(c) To the extent that any payment or benefit described in this Plan constitutes “non-qualified
deferred compensation” under Section 409A of the Code, and to the extent that such payment or benefit is payable upon the Covered Executive’s termination of employment, then such payments or benefits shall be payable only upon the
Covered Executive’s “separation from service.” The determination of whether and when a separation from service has occurred shall be made in accordance with the presumptions set forth in Treasury Regulation Section 1.409A-1(h). 

  
 8 

 (d) All in-kind benefits provided and expenses
eligible for reimbursement under this Plan shall be provided by the Company or incurred by the Covered Executive during the time periods set forth in this Plan. All reimbursements shall be paid as soon as administratively practicable, but in no
event shall any reimbursement be paid after the last day of the taxable year following the taxable year in which the expense was incurred. The amount of in-kind benefits provided or reimbursable expenses
incurred in one taxable year shall not affect the in-kind benefits to be provided or the expenses eligible for reimbursement in any other taxable year (except for any lifetime or other aggregate limitation
applicable to medical expenses). Such right to reimbursement or in-kind benefits is not subject to liquidation or exchange for another benefit. 

(e) The Company makes no representation or warranty and shall have no liability to the Covered Executive or any other person if any provisions
of this Plan are determined to constitute deferred compensation subject to Section 409A of the Code but do not satisfy an exemption from, or the conditions of, such Section. 

12. Notice and Date of Termination. 

(a) Notice of Termination. A termination of the Covered Executive’s employment shall be communicated by Notice of Termination from
the Company to the Covered Executive or vice versa in accordance with this Section 12. 
 (b) Notice to the Company. Any
notices, requests, demands, and other communications provided for by this Plan shall be sufficient if in writing and delivered in person or sent by registered or certified mail, postage prepaid, to a Covered Executive at the last address the Covered
Executive has filed in writing with the Company, or to the Company at the following physical or email address: 
 AbCellera Biologics Inc.

 Attention: Chief Legal Officer 

2215 Yukon Street 
 Vancouver, BC
A1 V5Y 0A1 
 Canada 
 13.
No Mitigation. The Covered Executive is not required to seek other employment or to attempt in any way to reduce any amounts payable to the Covered Executive by the Company under this Plan. 

14. Benefits and Burdens. This Plan shall inure to the benefit of and be binding upon the Company and the Covered Executives, their
respective successors, executors, administrators, heirs and permitted assigns. In the event of a Covered Executive’s death after a termination of employment but prior to the completion by the Company of all payments due to him or her under this
Plan, the Company shall continue such payments to the Covered Executive’s beneficiary designated in writing to the Company prior to his or her death (or to his or her estate, if the Covered Executive fails to make such designation), subject to
applicable laws. 

  
 9 

 15. Enforceability. If any portion or provision of this Plan shall to any extent be
declared illegal or unenforceable by a court of competent jurisdiction, then the remainder of this Plan, or the application of such portion or provision in circumstances other than those as to which it is so declared illegal or unenforceable, shall
not be affected thereby, and each portion and provision of this Plan shall be valid and enforceable to the fullest extent permitted by law. 

16. Waiver. No waiver of any provision hereof shall be effective unless made in writing and signed by the waiving party. The failure of
any party to require the performance of any term or obligation of this Plan, or the waiver by any party of any breach of this Plan, shall not prevent any subsequent enforcement of such term or obligation or be deemed a waiver of any subsequent
breach. 
 17. Non-Duplication of Benefits and Effect on Other Plans and Common Law Rights.
Notwithstanding any other provision in the Plan to the contrary, the benefits provided hereunder shall be in lieu of, and hereby supersede and replace, any other termination or severance payments and/or benefits provided by the Company, including
any such payments and/or benefits pursuant to an employment agreement or offer letter between the Company and the Covered Executive, other than as provided in Section 3(c) of the Company’s 2020 Share Option and Incentive Plan, as amended
from time to time. Except as set out in the Plan or as required by applicable employment standards legislation, the Covered Executives shall not be entitled to any additional notice, pay in lieu of notice, severance payments, pay in lieu of
incentives or other compensation of any kind in respect of the termination of their employment, pursuant to the common law or otherwise. 

18. No Contract of Employment. Nothing in this Plan shall be construed as giving any Covered Executive any right to be retained in the
employ of the Company or, subject to Section 17, shall affect the terms and conditions of a Covered Executive’s employment with the Company. 

19. Amendment or Termination of Plan. The Company may amend or terminate this Plan at any time or from time to time, but no such action
shall adversely affect the rights of any Covered Executive without the Covered Executive’s written consent. 
 20. Governing
Law. This Plan shall be construed under and be governed in all respects by the laws of British Columbia and the laws of Canada applicable in British Columbia, without giving effect to the conflict of laws principles. 

21. Obligations of Successors. In addition to any obligations imposed by law upon any successor to the Company, any successor (whether
direct or indirect, by purchase, merger, consolidation or otherwise) to all or substantially all of the business or assets of the Company shall expressly assume and agree to perform this Plan in the same manner and to the same extent that the
Company would be required to perform if no such succession had taken place. 
 22. Effectiveness and Term. The Executive Severance
Plan is effective as of December 4, 2020. 

  
 10 

 Exhibit A 

Tier 2 Executives 
  

			
	 Individual
	  	 Title

	Andrew Booth	  	Chief Financial Officer
	Veronique Lecault	  	Chief Operating Officer
	Tryn Stimart	  	Chief Legal Officer
	Ester Falconer	  	Head of Research and Development

  
 11

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