Document:

EX-10.3

 Exhibit 10.3 

[FINAL FORM] 
 LUMIRADX
LIMITED 
 2021 STOCK OPTION AND INCENTIVE PLAN 

SECTION 1. GENERAL PURPOSE OF THE PLAN; DEFINITIONS 

The name of the plan is the LumiraDx Limited 2021 Stock Option and Incentive Plan (this “Plan”). The purpose of the Plan is to
encourage and enable employees, Non-Employee Directors and Consultants of LumiraDx Limited, incorporated in the Cayman Islands (including any successor entity, the “Company”), and its Affiliates upon
whose judgment, initiative and efforts the Company largely depends for the successful conduct of its business, to provide eligible persons to acquire a proprietary interest in the Company as an incentive to remain in the service of the Company. It
is further anticipated that providing such persons with a direct stake in the Company’s welfare will assure a closer identification of their interests with those of the Company and its stockholders, thereby stimulating their efforts on the
Company’s behalf and strengthening their desire to remain with the Company. Following the date this Plan is adopted by the Board, the LumiraDx Limited Unapproved Option Scheme and LumiraDx Limited Consultants’ and Non-Employees’ Option Scheme (the “Prior Plans”), and the awards issued thereunder, will continue in accordance with their terms, provided that no new awards will be made with respect to such Prior
Plans. All awards forfeited pursuant to the terms of the Prior Plans shall be returned to the pool to be granted pursuant to Section 3(a) of the Plan. 

The following terms shall be defined as set forth below: 

“Act” means the Securities Act of 1933, as amended, and the rules and regulations thereunder. 

“Administrator” either (x) the Board, (y) the compensation committee of the Board or (z) a
similar committee performing the functions of the compensation committee, which committee shall be, for any actions taken at or following the Effective Date, comprised of not less than two Non-Employee
Directors who are independent. 
 “Affiliate” means, at the time of determination, any “parent” or
“subsidiary” of the Company as such terms are defined in Rule 405 of the Act. The Board will have the authority to determine the time or times at which “parent” or “subsidiary” status is determined within the foregoing
definition. 
 “Award” or “Awards,” except where referring to a particular category of grant under the
Plan, shall include Incentive Stock Options, Non-Qualified Stock Options, Stock Appreciation Rights, Restricted Stock Units, Restricted Stock Awards, Unrestricted Stock Awards, Cash-Based Awards, and Dividend
Equivalent Rights. 
 “Award Agreement” means a written or electronic document setting forth the terms and provisions
applicable to an Award granted under the Plan. Each Award Agreement is subject to the terms and conditions of the Plan. 

“Board” means the Board of Directors of the Company. 

 “Cash-Based Award” means an Award entitling the recipient to receive a
cash-denominated payment. 
 “Cause” shall have the meaning set forth in a grantee’s employment agreement or
consulting agreement, if any, unless otherwise set forth in the applicable Award Agreement or, in the case that no employment agreement, consulting agreement, or Award Agreement contains a definition of “Cause,” it shall mean a
determination by the Administrator that the grantee shall be dismissed as a result of (i) any material breach by the grantee of any agreement between the grantee and the Company, (ii) the conviction of, indictment for or plea of nolo
contendere by the grantee to a felony or a crime involving moral turpitude, (iii) any material misconduct or willful and deliberate non-performance (other than by reason of disability) by the grantee of
the grantee’s duties to the Company, or (iv) any material breach of, or willful failure to comply with, the Company’s code of conduct or other material written rules, regulations, policies or procedures of the Company. 

“Code” means the Internal Revenue Code of 1986, as amended, and any successor Code, and related rules, regulations and
interpretations. 
 “Consultant” means a consultant or adviser who provides bona fide services
to the Company or an Affiliate as an independent contractor and who qualifies as a consultant or advisor under Instruction A.1.(a)(1) of Form S-8 under the Act. 

“Dividend Equivalent Right” means an Award entitling the grantee to receive credits based on cash dividends that would have
been paid on the shares of Stock specified in the Dividend Equivalent Right (or other award to which it relates) if such shares had been issued to and held by the grantee. 

“Effective Date” means the date on which the Plan becomes effective as set forth in Section 19. 

“Exchange Act” means the Securities Exchange Act of 1934, as amended, and the rules and regulations thereunder. 

“Fair Market Value” of the Stock on any given date means the fair market value of the Stock determined in good
faith by the Administrator in accordance with Section 409A; provided, however, that if the Stock is listed on the National Association of Securities Dealers Automated Quotation System (“NASDAQ”), NASDAQ Global Market,
The New York Stock Exchange or another national securities exchange or traded on any established market, the determination shall be made by reference to market quotations. If there are no market quotations for such date, the determination shall be
made by reference to the last date preceding such date for which there are market quotations. 
 “Good Reason” shall have
the meaning set forth in a grantee’s employment agreement or consulting agreement, if any, unless otherwise set forth in the applicable Award Agreement or, in the case that no employment agreement, consulting agreement, or Award Agreement
contains a definition of “Good Reason,” it shall mean (i) a material diminution in the grantee’s base salary except for across-the-board salary
reductions similarly affecting all or substantially all similarly 

  
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situated employees of the Company or (ii) a change of more than 50 miles in the geographic location at which the grantee provides services to the Company; provided, that any claim for
“Good Reason” shall be deemed waived unless (x) the grantee provides written notice to the Company within 30 days following the initial occurrence of any such event, (y) the Company fails to cure such event within 30 days of such
written notice, and (z) such grantee actually terminates employment or service within five business days of the conclusion of such cure period. 

“Incentive Stock Option” means any Stock Option designated and qualified as an “incentive stock option” as defined
in Section 422 of the Code. 
 “Merger Agreement” means that certain Agreement and Plan of Merger by and among the
Company, LumiraDx Merger Sub, Inc., and CA Healthcare Acquisition Corp., dated as of April 6, 2021. 
 “Non-Employee Director” means a member of the Board who is not also an employee of the Company or any Subsidiary. 

“Non-Qualified Stock Option” means any Stock Option that is not an Incentive Stock
Option. 
 “Option” or “Stock Option” means any option to purchase shares of Stock granted pursuant to
Section 5. 
 “Restricted Shares” means the shares of Stock underlying a Restricted Stock Award that remain subject to
a risk of forfeiture or the Company’s right of repurchase. 
 “Restricted Stock Award” means an Award of
Restricted Shares subject to such restrictions and conditions as the Administrator may determine at the time of grant. 

“Restricted Stock Units” means an Award of stock units subject to such restrictions and conditions as the
Administrator may determine at the time of grant. 
 “Sale Event” shall mean (i) the sale of all or substantially all
of the assets of the Company on a consolidated basis to an unrelated person or entity, (ii) a merger, reorganization or consolidation pursuant to which the holders of the Company’s outstanding voting power and outstanding stock immediately
prior to such transaction do not own a majority of the outstanding voting power and outstanding stock or other equity interests of the resulting or successor entity (or its ultimate parent, if applicable) immediately upon completion of such
transaction, (iii) the sale of all of the Stock of the Company to an unrelated person, entity or group thereof acting in concert, or (iv) any other transaction in which the owners of the Company’s outstanding voting power immediately
prior to such transaction do not own at least a majority of the outstanding voting power of the Company or any successor entity immediately upon completion of the transaction other than as a result of the acquisition of securities directly from the
Company; provided, however, that in the event an Award is subject to Section 409A, no such event shall constitute a payment event unless such event is also a change of control event as defined by Section 409A. 

  
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 “Sale Price” means the value as determined by the Administrator of the
consideration payable, or otherwise to be received by stockholders, per share of Stock pursuant to a Sale Event. 

“Section 409A” means Section 409A of the Code and the regulations and other guidance promulgated
thereunder. 
 “Service Relationship” means any relationship as an employee, Non-Employee Director or Consultant of the Company or any Affiliate (e.g., a Service Relationship shall be deemed to continue without interruption in the event an individual’s status changes from full-time
employee to part-time employee or Consultant). Notwithstanding anything to the contrary contained in the Plan, an Award Agreement, or otherwise, the following shall not constitute a termination of a grantee’s Service Relationship: (i) a
transfer to the service of the Company from an Affiliate or from the Company to an Affiliate, or from one Affiliate to another Affiliate or (ii) an approved leave of absence for military service or sickness, or for any other purpose approved by
the Administrator, if the individual’s right to re-employment is guaranteed 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 so provides in writing. 
 “Stock” means the Common Stock, par value $0.001 per share, of the
Company, subject to adjustments pursuant to Section 3. 
 “Stock Appreciation Right” means an Award entitling the
recipient to receive shares of Stock (or cash, to the extent explicitly provided for in the applicable Award Agreement) having a value equal to the excess of the Fair Market Value of the Stock on the date of exercise over the exercise price of the
Stock Appreciation Right multiplied by the number of shares of Stock with respect to which the Stock Appreciation Right shall have been exercised. 

“Subsidiary” means any corporation or other entity (other than the Company) in which the Company has at least a
50 percent interest, either directly or indirectly. 
 “Ten Percent Owner” means an employee who owns or is deemed to
own (by reason of the attribution rules of Section 424(d) of the Code) more than 10 percent of the combined voting power of all classes of stock of the Company or any parent or subsidiary corporation. 

“Unrestricted Stock Award” means an Award of shares of Stock free of any restrictions. 

 

	 	SECTION 2.	 ADMINISTRATION OF PLAN; ADMINISTRATOR AUTHORITY TO SELECT GRANTEES AND DETERMINE AWARDS

 (a) Administration of Plan. The Plan shall be administered by the Administrator. 

(b) Powers of Administrator. The Administrator shall have the power and authority to grant Awards consistent with the terms of
the Plan, including the power and authority: 
 (i) to select the individuals to whom Awards may from time to time be granted; 

  
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 (ii) to determine the time or times of grant, and the extent, if any, of Incentive Stock
Options, Non-Qualified Stock Options, Stock Appreciation Rights, Restricted Stock Awards, Restricted Stock Units, Unrestricted Stock Awards, Cash-Based Awards, and Dividend Equivalent Rights, or any
combination of the foregoing, granted to any one or more grantees; 
 (iii) to determine the number of shares of Stock to be covered by any
Award and, subject to the provisions of the Plan, the price, exercise price, conversion ratio or other price relating thereto; 
 (iv) to
determine and modify from time to time the terms and conditions, including restrictions, not inconsistent with the terms of the Plan, of any Award, which terms and conditions may differ among individual Awards and grantees, and to approve the forms
of Award Agreements; 
 (v) to accelerate at any time the exercisability or vesting of all or any portion of any Award; 

(vi) to impose any limitations and/or vesting conditions on Awards; 

(vii) subject to the provisions of Section 5(c) and any restrictions imposed by Section 409A, to extend at any time the period in
which Stock Options may be exercised; and 
 (viii) at any time to adopt, alter and repeal such rules, guidelines and practices for
administration of the Plan and for its own acts and proceedings as it shall deem advisable; to interpret the terms and provisions of the Plan and any Award (including related written instruments); to make all determinations it deems advisable for
the administration of the Plan; to decide all disputes arising in connection with the Plan; and to otherwise supervise the administration of the Plan. 

All decisions and interpretations of the Administrator shall be binding on all persons, including the Company and grantees. 

(c) Delegation of Authority to Grant Awards. Subject to applicable law, the Administrator, in its discretion, may delegate to a
committee consisting of one or more officers of the Company including the Chief Executive Officer of the Company all or part of the Administrator’s authority and duties with respect to the granting of Awards to individuals who are (i) not
subject to the reporting and other provisions of Section 16 of the Exchange Act and (ii) not members of the delegated committee. Any such delegation by the Administrator shall include a limitation as to the amount of Stock underlying
Awards that may be granted during the period of the delegation and shall contain guidelines as to the determination of the exercise price and the vesting criteria. The Administrator may revoke or amend the terms of a delegation at any time, but such
action shall not invalidate any prior actions of the Administrator’s delegate or delegates that were consistent with the terms of the Plan. 

(d) Award Agreement. Awards under the Plan shall be evidenced by Award Agreements that set forth the terms, conditions and limitations
for each Award which may include, without limitation, the term of an Award and the provisions applicable in the event employment or service terminates. 

  
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 (e) Indemnification. Neither the Board nor the Administrator, nor any member of
either or any delegate thereof, shall be liable for any act, omission, interpretation, construction or determination made in good faith in connection with the Plan, and the members of the Board and the Administrator (and any delegate thereof) shall
be entitled in all cases to indemnification and reimbursement by the Company in respect of any claim, loss, damage or expense (including, without limitation, reasonable attorneys’ fees) arising or resulting therefrom to the fullest extent
permitted by law and/or under the Company’s articles or bylaws or any directors’ and officers’ liability insurance coverage which may be in effect from time to time and/or any indemnification agreement between such individual and the
Company. 
 (f) Foreign Award Recipients. Notwithstanding any provision of the Plan to the contrary, in order to comply with the laws
in other countries in which the Company and its Affiliates operate or have employees or other individuals eligible for Awards, the Administrator, in its sole discretion, shall have the power and authority to: (i) determine which Affiliates
shall be covered by the Plan; (ii) determine which individuals outside the United States are eligible to participate in the Plan; (iii) modify the terms and conditions of any Award granted to individuals outside the United States to comply
with applicable foreign laws; (iv) establish subplans and modify exercise procedures and other terms and procedures, to the extent the Administrator determines such actions to be necessary or advisable (and such subplans and/or modifications
shall be attached to this Plan as appendices); provided, however, that no such subplans and/or modifications shall increase the share limitations contained in Section 3(a) hereof; and (v) take any action, before or after
an Award is made, that the Administrator determines to be necessary or advisable to obtain approval or comply with any local governmental regulatory exemptions or approvals. Notwithstanding the foregoing, the Administrator may not take any
actions hereunder, and no Awards shall be granted, that violate the Exchange Act or any other applicable United States securities law, the Code, or any other applicable United States governing statute or law. 

SECTION 3. STOCK ISSUABLE UNDER THE PLAN; MERGERS; SUBSTITUTION 

(a) Stock Issuable. The maximum number of shares of Stock reserved and available for issuance under the Plan shall be [________]1 shares (the “Initial Limit”), subject to adjustment as provided in this Section 3, plus on January 1, 2022 and each January 1 thereafter, the number of shares of Stock
reserved and available for issuance under the Plan shall be cumulatively increased by a number of shares of Stock such that the maximum number of shares of Stock reserved and available for issuance under the Plan as of January 1 of each
calendar year shall be equal to 10 percent of the fully diluted equity of the Company (the “Annual Increase”). Subject to such overall limitation, the maximum aggregate number of shares of Stock that may be issued in the form of
Incentive Stock Options shall not exceed the Initial Limit cumulatively increased on January 1, 2022 and on each January 1 thereafter by the Annual Increase for such year; 

 

	1 	 This number will be 10% of the Company’s fully diluted share capital upon the closing date of the
contemplated merger, taking into account all shares to be issued to satisfy (i) options granted under the Prior Plans and (ii) then outstanding warrants. 

  
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provided, that in no event shall more than [________]2 shares of Stock be issued in the form of Incentive Stock Options, subject in all cases
to adjustment as provided in this Section 3. For purposes of this limitation, the shares of Stock underlying any awards under the Plan and under the Company’s Prior Plans that are forfeited, canceled or otherwise terminated (other than by
exercise) shall be added back to the shares of Stock available for issuance under the Plan and, to the extent permitted under Section 422 of the Code and the regulations promulgated thereunder, the shares of Stock that may be issued as
Incentive Stock Options. Notwithstanding the foregoing, the following shares shall not be added to the shares authorized for grant under the Plan: (i) shares tendered or held back upon exercise of an Option or settlement of an Award to cover the
exercise price or tax withholding, and (ii) shares subject to a Stock Appreciation Right that are not issued in connection with the stock settlement of the Stock Appreciation Right upon exercise thereof. In the event the Company repurchases
shares of Stock on the open market, such shares shall not be added to the shares of Stock available for issuance under the Plan. Subject to such overall limitations, shares of Stock may be issued up to such maximum number pursuant to any type or
types of Award. The shares available for issuance under the Plan may be authorized but unissued shares of Stock or shares of Stock reacquired by the Company. 

(b) Changes in Stock. Subject to Section 3(c) hereof, if, as a result of any reorganization, recapitalization, reclassification,
stock dividend, stock split, reverse stock split or other similar change in the Company’s capital stock, the outstanding shares of Stock are increased or decreased or are exchanged for a different number or kind of shares or other securities of
the Company, or additional shares or new or different shares or other securities of the Company or other non-cash assets are distributed with respect to such shares of Stock or other securities, or, if, as a
result of any merger or consolidation, sale of all or substantially all of the assets of the Company, the outstanding shares of Stock are converted into or exchanged for securities of the Company or any successor entity (or a parent or subsidiary
thereof), the Administrator shall make an appropriate or proportionate adjustment in (i) the maximum number of shares reserved for issuance under the Plan, including the maximum number of shares that may be issued in the form of Incentive Stock
Options, (ii) the number and kind of shares or other securities subject to any then outstanding Awards under the Plan, (iii) the repurchase price, if any, per share subject to each outstanding Restricted Stock Award, and (iv) the
exercise price for each share subject to any then outstanding Stock Options and Stock Appreciation Rights under the Plan, without changing the aggregate exercise price (i.e., the exercise price multiplied by the number of shares subject to Stock
Options and Stock Appreciation Rights) as to which such Stock Options and Stock Appreciation Rights remain exercisable. The Administrator shall also make equitable or proportionate adjustments in the number of shares subject to outstanding Awards
and the exercise price and the terms of outstanding Awards to take into consideration cash dividends paid other than in the ordinary course or any other extraordinary corporate event. The adjustment by the Administrator shall be final, binding and
conclusive. No fractional shares of Stock shall be issued under the Plan resulting from any such adjustment, but the Administrator in its discretion may make a cash payment in lieu of fractional shares. 

 
  

	2 	 Please note that it is a U.S. tax requirement that a maximum number of shares to be issued pursuant to ISOs be
set forth in the plan document to be approved by shareholders. This number will reflect the 220:1 stock split effected on February 1, 2021, and the stock split to be consummated immediately prior to the contemplated merger.

  
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 (c) Mergers and Other Transactions. In the case of and subject to the consummation of
a Sale Event, the parties thereto may cause the assumption or continuation of Awards theretofore granted by the successor entity, or the substitution of such Awards with new Awards of the successor entity or parent thereof, with appropriate
adjustment as to the number and kind of shares and, if appropriate, the per share exercise prices, as such parties shall agree. To the extent the parties to such Sale Event do not provide for the assumption, continuation or substitution of Awards,
upon the effective time of the Sale Event, the Plan and all outstanding Awards granted hereunder shall terminate. In such case, except as may be otherwise provided in the relevant Award Agreement, all Options and Stock Appreciation Rights with
time-based vesting conditions or restrictions that are not vested and/or exercisable immediately prior to the effective time of the Sale Event shall become fully vested and exercisable as of the effective time of the Sale Event, all other Awards
with time-based vesting, conditions or restrictions shall become fully vested and nonforfeitable as of the effective time of the Sale Event, and all Awards with conditions and restrictions relating to the attainment of performance goals may become
vested and nonforfeitable in connection with a Sale Event in the Administrator’s discretion or to the extent specified in the relevant Award Agreement. In the event of such termination, (i) the Company shall have the option (in its sole
discretion) to make or provide for a payment, in cash or in kind, to the grantees holding Options and Stock Appreciation Rights, in exchange for the cancellation thereof, in an amount equal to the difference between (A) the Sale Price
multiplied by the number of shares of Stock subject to outstanding Options and Stock Appreciation Rights (to the extent then exercisable at prices not in excess of the Sale Price) and (B) the aggregate exercise price of all such outstanding
Options and Stock Appreciation Rights (provided that, in the case of an Option or Stock Appreciation Right with an exercise price equal to or greater than the Sale Price, such Option or Stock Appreciation Right shall be cancelled for no
consideration); or (ii) each grantee shall be permitted, within a specified period of time prior to the consummation of the Sale Event as determined by the Administrator, to exercise all outstanding Options and Stock Appreciation Rights (to the
extent then exercisable) held by such grantee. The Company shall also have the option (in its sole discretion) to make or provide for a payment, in cash or in kind, to the grantees holding other Awards in an amount equal to the Sale Price multiplied
by the number of vested shares of Stock under such Awards. 
 (d) Maximum Awards to Non-Employee
Directors. Notwithstanding anything to the contrary in this Plan, the value of all Awards awarded under this Plan at or following the Effective Date, when combined with all other cash compensation paid by the Company to any Non-Employee Director in any calendar year for services as a Non-Employee Director, shall not exceed $1,500,000. For the purpose of this limitation, the value of any Award
shall be its grant date fair value, as determined in accordance with ASC 718 or successor provision but excluding the impact of estimated forfeitures related to service-based vesting provisions. 

SECTION 4. ELIGIBILITY  

Grantees under the Plan will be such full- or part-time employees, Non-Employee Directors or
Consultants of the Company and its Affiliates as are selected from time to time by the Administrator in its sole discretion; provided that Awards may not be granted to employees, Directors or Consultants who are providing services only to any
“parent” of the Company, as such term is defined in Rule 405 of the Act, unless (i) the stock underlying the Awards is treated as “service recipient stock” under Section 409A or (ii) the Company has determined that
such Awards are exempt from or otherwise comply with Section 409A. 

  
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 SECTION 5. STOCK OPTIONS 

(a) Award of Stock Options. The Administrator may grant Stock Options under the Plan. Any Stock Option granted under the Plan shall be
in such form as the Administrator may from time to time approve. 
 Stock Options granted under the Plan may be either Incentive Stock
Options or Non-Qualified Stock Options. Incentive Stock Options may be granted only to employees of the Company or any Subsidiary that is a “subsidiary corporation” within the meaning of
Section 424(f) of the Code. To the extent that any Option does not qualify as an Incentive Stock Option, it shall be deemed a Non-Qualified Stock Option. 

Stock Options granted pursuant to this Section 5 shall be subject to the following terms and conditions and shall contain such additional
terms and conditions, not inconsistent with the terms of the Plan, as the Administrator shall deem desirable. 
 (b) Exercise Price.
The exercise price per share for the Stock covered by a Stock Option granted pursuant to this Section 5 shall be determined by the Administrator at the time of grant but shall not be less than 100 percent of the Fair Market Value on the
date of grant. In the case of an Incentive Stock Option that is granted to a Ten Percent Owner, the exercise price of such Incentive Stock Option shall be not less than 110 percent of the Fair Market Value on the grant date. Notwithstanding the
foregoing, Stock Options may be granted with an exercise price per share that is less than 100 percent of the Fair Market Value on the date of grant (i) pursuant to a transaction described in, and in a manner consistent with,
Section 424(a) of the Code, (ii) to individuals who are not subject to U.S. income tax on the date of grant or (iii) the Stock Option is otherwise compliant with Section 409A. 

(c) Option Term. The term of each Stock Option shall be fixed by the Administrator, but no Stock Option shall be exercisable more than
ten years after the date the Stock Option is granted. In the case of an Incentive Stock Option that is granted to a Ten Percent Owner, the term of such Stock Option shall be no more than five years from the date of grant. 

(d) Exercisability; Rights of a Stockholder. Stock Options shall become exercisable at such time or times, whether or not in
installments, as shall be determined by the Administrator at or before the grant date. The Award Agreement may permit a grantee to exercise all or a portion of a Stock Option immediately at grant; provided that the shares of Stock issued upon
such exercise shall be subject to restrictions and a vesting schedule identical to the vesting schedule of the related Stock Option, such shares of Stock shall be deemed to be Restricted Shares for purposes of the Plan, and the grantee may be
required to enter into an additional or new Award Agreement as a condition to exercise of such grant date. Subject to Section 2(b)(v), the Administrator may at any time accelerate the exercisability of all or any portion of any Stock Option. A
grantee shall have the rights of a stockholder only as to shares acquired upon the exercise of a Stock Option and not as to unexercised Stock Options. 

  
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 (e) Method of Exercise. Stock Options may be exercised in whole or in
part, by giving written or electronic notice of exercise to the Company, specifying the number of shares to be purchased. Payment of the purchase price may be made by one or more of the following methods except to the extent otherwise provided in
the Award Agreement: 
 (i) In cash, by certified or bank check or other instrument acceptable to the Administrator; 

(ii) Through the delivery (or attestation to the ownership following such procedures as the Company may prescribe) of shares of Stock that are
not then subject to restrictions under any Company plan. Such surrendered shares shall be valued at Fair Market Value on the exercise date; 

(iii) By the grantee delivering to the Company a properly executed exercise notice together with irrevocable instructions to a broker to
promptly deliver to the Company cash or a check payable and acceptable to the Company for the purchase price; provided that in the event the grantee chooses to pay the purchase price as so provided, the grantee and the broker shall comply
with such procedures and enter into such agreements of indemnity and other agreements as the Company shall prescribe as a condition of such payment procedure; and/or 

(iv) With respect to Stock Options that are not Incentive Stock Options, by a “net exercise” arrangement pursuant to which the
Company will reduce the number of shares of Stock issuable upon exercise by the largest whole number of shares with a Fair Market Value that does not exceed the aggregate exercise price. 

Payment instruments will be received subject to collection. The transfer to the grantee on the records of the Company or of the transfer agent of the shares
of Stock to be purchased pursuant to the exercise of a Stock Option will be contingent upon receipt from the grantee (or a purchaser acting in his stead in accordance with the provisions of the Stock Option) by the Company of the full purchase price
for such shares and the fulfillment of any other requirements contained in the Award Agreement or applicable provisions of laws (including the satisfaction of any withholding taxes that the Company is obligated to withhold with respect to the
grantee). In the event a grantee chooses to pay the purchase price by previously-owned shares of Stock through the attestation method, the number of shares of Stock transferred to the grantee upon the exercise of the Stock Option shall be net of the
number of attested shares. In the event that the Company establishes, for itself or using the services of a third party, an automated system for the exercise of Stock Options, such as a system using an internet website or interactive voice response,
then the paperless exercise of Stock Options may be permitted through the use of such an automated system. 
 (f) Annual Limit on
Incentive Stock Options. To the extent required for “incentive stock option” treatment under Section 422 of the Code, the aggregate Fair Market Value (determined as of the time of grant) of the shares of Stock with respect to
which Incentive Stock Options granted under this Plan and any other plan of the Company or its parent and subsidiary corporations become exercisable for the first time by a grantee during any calendar year shall not exceed $100,000. To the extent
that any Stock Option exceeds this limit, it shall constitute a Non-Qualified Stock Option. 

  
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 SECTION 6. STOCK APPRECIATION RIGHTS 

(a) Award of Stock Appreciation Rights. The Administrator may grant Stock Appreciation Rights under the Plan. A Stock Appreciation Right
is an Award entitling the recipient to receive shares of Stock (or cash, to the extent explicitly provided for in the applicable Award Agreement) having a value equal to the excess of the Fair Market Value of a share of Stock on the date of exercise
over the exercise price of the Stock Appreciation Right multiplied by the number of shares of Stock with respect to which the Stock Appreciation Right shall have been exercised. 

(b) Exercise Price of Stock Appreciation Rights. The exercise price of a Stock Appreciation Right shall not be less than
100 percent of the Fair Market Value of the Stock on the date of grant. 
 (c) Grant and Exercise of Stock Appreciation Rights.
Stock Appreciation Rights may be granted by the Administrator independently of any Stock Option granted pursuant to Section 5 of the Plan. 

(d) Terms and Conditions of Stock Appreciation Rights. Stock Appreciation Rights shall be subject to such terms and conditions as shall
be determined on the date of grant by the Administrator. The term of a Stock Appreciation Right may not exceed ten years. The terms and conditions of each such Award shall be determined by the Administrator, and such terms and conditions may differ
among individual Awards and grantees. 
 SECTION 7. RESTRICTED STOCK AWARDS 

(a) Nature of Restricted Stock Awards. The Administrator may grant Restricted Stock Awards under the Plan. A Restricted Stock Award is
any Award of Restricted Shares subject to such restrictions and conditions as the Administrator may determine at the time of grant. Conditions may be based on continuing employment (or other Service Relationship) and/or achievement of pre-established performance goals and objectives. 
 (b) Rights as a Stockholder. Upon the grant of
the Restricted Stock Award and payment of any applicable purchase price, a grantee shall have the rights of a stockholder with respect to the voting of the Restricted Shares and receipt of dividends; provided that any dividends paid by the
Company during the period in which the Restricted Stock Award is subject to vesting conditions shall accrue and shall not be paid to the grantee until and to the extent such vesting conditions lapse. Unless the Administrator shall otherwise
determine, (i) uncertificated Restricted Shares shall be accompanied by a notation on the records of the Company or the transfer agent to the effect that they are subject to forfeiture until such Restricted Shares are vested as provided in
Section 7(d) below, and (ii) certificated Restricted Shares shall remain in the possession of the Company until such Restricted Shares are vested as provided in Section 7(d) below, and the grantee shall be required, as a condition of
the grant, to deliver to the Company such instruments of transfer as the Administrator may prescribe. 

  
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 (c) Restrictions. Restricted Shares may not be sold, assigned, transferred, pledged
or otherwise encumbered or disposed of except as specifically provided herein or in the applicable Award Agreement. Except as may otherwise be provided by the Administrator either in the Award Agreement or, subject to Section 16 below, in
writing after the Award is issued, if a grantee’s employment (or other Service Relationship) with the Company and its Subsidiaries terminates for any reason, any Restricted Shares that have not vested at the time of termination shall
automatically and without any requirement of notice to such grantee from or other action by or on behalf of, the Company be deemed to have been reacquired by the Company at its original purchase price (if any) from such grantee or such
grantee’s legal representative simultaneously with such termination of employment (or other Service Relationship), and thereafter shall cease to represent any ownership of the Company by the grantee or rights of the grantee as a stockholder.
Following such deemed reacquisition of Restricted Shares that are represented by physical certificates, a grantee shall surrender such certificates to the Company upon request without consideration. 

(d) Vesting of Restricted Shares. The Administrator at the time of grant shall specify the date or dates and/or the attainment of pre-established performance goals, objectives and other conditions on which the non-transferability of the Restricted Shares and the Company’s right of repurchase or
forfeiture shall lapse. Subsequent to such date or dates and/or the attainment of such pre-established performance goals, objectives and other conditions, the shares on which all restrictions have lapsed shall
no longer be Restricted Shares and shall be deemed “vested.” 
 SECTION 8. RESTRICTED STOCK UNITS 

(a) Nature of Restricted Stock Units. The Administrator may grant Restricted Stock Units under the Plan. A Restricted Stock Unit is an
Award of stock units that may be settled in shares of Stock (or cash, to the extent explicitly provided for in the Award Agreement) upon the satisfaction of such restrictions and conditions at the time of grant. Conditions may be based on continuing
employment (or other Service Relationship) and/or achievement of pre-established performance goals and objectives. The terms and conditions of each such Award shall be determined by the Administrator, and such
terms and conditions may differ among individual Awards and grantees. Except in the case of Restricted Stock Units with a deferred settlement date that complies with Section 409A, at the end of the vesting period, the Restricted Stock Units, to
the extent vested, shall be settled in the form of shares of Stock. Restricted Stock Units with deferred settlement dates are subject to Section 409A and shall contain such additional terms and conditions as the Administrator shall determine in
its sole discretion in order to comply with the requirements of Section 409A. 
 (b) Election to Receive Restricted Stock Units in
Lieu of Compensation. The Administrator may, in its sole discretion, permit a grantee to elect to receive a portion of future cash compensation otherwise due to such grantee in the form of an award of Restricted Stock Units. Any such election
shall be made in writing and shall be delivered to the Company no later than the date specified by the Administrator and in accordance with Section 409A and such other rules and procedures established by the Administrator. Any such future cash
compensation that the grantee elects to defer shall be converted to a fixed number of Restricted Stock Units based on the Fair Market Value of Stock on the date the compensation would otherwise have been paid to the grantee if such payment had not
been deferred as provided herein. The Administrator shall have the sole right to determine whether and under what circumstances to permit such elections and to impose such limitations and other terms and conditions thereon as the Administrator deems
appropriate. Any Restricted Stock Units that are elected to be received in lieu of cash compensation shall be fully vested, unless otherwise provided in the Award Agreement. 

  
 12 

 (c) Rights as a Stockholder. A grantee shall have the rights as a stockholder only as
to shares of Stock acquired by the grantee upon settlement of Restricted Stock Units; provided, however, that the grantee may be credited with Dividend Equivalent Rights with respect to the stock units underlying his Restricted Stock
Units, subject to the provisions of Section 11 and such terms and conditions as the Administrator may determine. 
 (d)
Termination. Except as may otherwise be provided by the Administrator either in the Award Agreement or, subject to Section 16 below, in writing after the Award is issued, a grantee’s right in all Restricted Stock Units that have not
vested shall automatically terminate upon the grantee’s termination of employment (or cessation of Service Relationship) with the Company and its Subsidiaries for any reason. 

SECTION 9. UNRESTRICTED STOCK AWARDS 

Grant or Sale of Unrestricted Stock. The Administrator may grant (or sell at par value or such higher purchase price determined by the
Administrator) an Unrestricted Stock Award under the Plan. An Unrestricted Stock Award is an Award pursuant to which the grantee may receive shares of Stock free of any restrictions under the Plan. Unrestricted Stock Awards may be granted in respect
of past services or other valid consideration, or in lieu of cash compensation due to such grantee. 
 SECTION 10. CASH-BASED AWARDS

 Grant of Cash-Based Awards. The Administrator may grant Cash-Based Awards under the Plan. A Cash-Based Award is an Award that
entitles the grantee to a payment in cash upon the attainment of specified performance goals. The Administrator shall determine the maximum duration of the Cash-Based Award, the amount of cash to which the Cash-Based Award pertains, the conditions
upon which the Cash-Based Award shall become vested or payable, and such other provisions as the Administrator shall determine. Each Cash-Based Award shall specify a cash-denominated payment amount, formula or payment ranges as determined by the
Administrator. Payment, if any, with respect to a Cash-Based Award shall be made in accordance with the terms of the Award and may be made in cash. 

SECTION 11. DIVIDEND EQUIVALENT RIGHTS 

(a) Dividend Equivalent Rights. The Administrator may grant Dividend Equivalent Rights under the Plan. A Dividend Equivalent Right is an
Award entitling the grantee to receive credits based on cash dividends that would have been paid on the shares of Stock specified in the Dividend Equivalent Right (or other Award to which it relates) if such shares had been issued to the grantee. A
Dividend Equivalent Right may be granted hereunder to any grantee as a component of an award of Restricted Stock Units or as a freestanding award. The terms and conditions of Dividend Equivalent Rights shall be specified in the Award Agreement.
Dividend equivalents credited to the holder of a Dividend Equivalent Right may be paid currently or may 

  
 13 

 
be deemed to be reinvested in additional shares of Stock, which may thereafter accrue additional equivalents. Any such reinvestment shall be at Fair Market Value on the date of reinvestment or
such other price as may then apply under a dividend reinvestment plan sponsored by the Company, if any. Dividend Equivalent Rights may be settled in cash or shares of Stock or a combination thereof, in a single installment or installments. A
Dividend Equivalent Right granted as a component of an Award of Restricted Stock Units shall provide that such Dividend Equivalent Right shall be settled only upon settlement or payment of, or lapse of restrictions on, such other Award, and that
such Dividend Equivalent Right shall expire or be forfeited or annulled under the same conditions as such other Award. 
 (b)
Termination. Except as may otherwise be provided by the Administrator either in the Award Agreement or, subject to Section 16 below, in writing after the Award is issued, a grantee’s rights in all Dividend Equivalent Rights shall
automatically terminate upon the grantee’s termination of employment (or cessation of Service Relationship) with the Company and its Subsidiaries for any reason. 

SECTION 12. TRANSFERABILITY OF AWARDS 

(a) Transferability. Except as provided in Section 12(b) below, during a grantee’s lifetime, his or her Awards shall be
exercisable only by the grantee, or by the grantee’s legal representative or guardian in the event of the grantee’s incapacity. No Awards shall be sold, assigned, transferred or otherwise encumbered or disposed of by a grantee other than
by will or by the laws of descent and distribution or pursuant to a domestic relations order. No Awards shall be subject, in whole or in part, to attachment, execution, or levy of any kind, and any purported transfer in violation hereof shall be
null and void. 
 (b) Administrator Action. Notwithstanding Section 12(a), the Administrator, in its discretion, may
provide either in the Award Agreement regarding a given Award or by subsequent written approval that the grantee (who is an employee or Non-Employee Director) may transfer his or her Non-Qualified Stock Options to his or her immediate family members, to trusts for the benefit of such family members, or to partnerships in which such family members are the only partners, provided that the
transferee agrees in writing with the Company to be bound by all of the terms and conditions of this Plan and the applicable Award. In no event may an Award be transferred by a grantee for value. 

(c) Family Member. For purposes of Section 12(b), “family member” shall mean a grantee’s child, stepchild,
grandchild, parent, stepparent, grandparent, spouse, former spouse, sibling, niece, nephew, mother-in-law, father-in-law, son-in-law, daughter-in-law, brother-in-law, or sister-in-law, including adoptive relationships, any person sharing the
grantee’s household (other than a tenant of the grantee), a trust in which these persons (or the grantee) have more than 50 percent of the beneficial interest, a foundation in which these persons (or the grantee) control the management of
assets, and any other entity in which these persons (or the grantee) own more than 50 percent of the voting interests. 

  
 14 

 (d) Designation of Beneficiary. To the extent permitted by the Company, each grantee
to whom an Award has been made under the Plan may designate a beneficiary or beneficiaries to exercise any Award or receive any payment under any Award payable on or after the grantee’s death. Any such designation shall be on a form provided
for that purpose by the Administrator and shall not be effective until received by the Administrator. If no beneficiary has been designated by a deceased grantee, or if the designated beneficiaries have predeceased the grantee, the beneficiary shall
be the grantee’s estate. 
 SECTION 13. TAX WITHHOLDING 

(a) Payment by Grantee. Each grantee shall, no later than the date as of which the value of an Award or of any Stock or other amounts
received thereunder first becomes includable in the gross income of the grantee for Federal income tax purposes or of any overseas equivalent, pay to the Company (or to an Affiliate as the Company may direct), or make arrangements satisfactory to
the Administrator regarding payment of, any Federal, state, local or overseas taxes or social security contributions of any kind required by law to be withheld by the Company or an Affiliate with respect to such income. The Company and its
Affiliates shall, to the extent permitted by law, have the right to deduct any such taxes or social security contributions from any payment of any kind otherwise due to the grantee. The Company’s obligation to deliver evidence of book entry (or
stock certificates) to any grantee is subject to and conditioned on tax withholding obligations being satisfied by the grantee. 
 (b)
Payment in Stock. The Administrator may require the Company’s tax withholding obligation or the tax withholding obligation of an Affiliate to be satisfied, in whole or in part, by the Company withholding from shares of Stock to be issued
pursuant to any Award a number of shares with an aggregate Fair Market Value (as of the date the withholding is effected) that would satisfy the withholding amount due; provided, however, that the amount withheld does not exceed the
maximum statutory tax rate or such lesser amount as is necessary to avoid liability accounting treatment. For purposes of share withholding, the Fair Market Value of withheld shares shall be determined in the same manner as the value of Stock
includible in income of the grantees. The Administrator may also require the Company’s tax withholding obligation or the tax withholding obligation of an Affiliate to be satisfied, in whole or in part, by an arrangement whereby a certain number
of shares of Stock issued pursuant to any Award are immediately sold and proceeds from such sale are remitted to the Company in an amount that would satisfy the withholding amount due. 

SECTION 14. SECTION 409A AWARDS 

Awards are intended to be exempt from Section 409A to the greatest extent possible and to otherwise comply with Section 409A. The
Plan and all Awards shall be interpreted in accordance with such intent. To the extent that any Award is determined to constitute “nonqualified deferred compensation” within the meaning of Section 409A (a “409A Award”), the
Award shall be subject to such additional rules and requirements as specified by the Administrator from time to time in order to comply with Section 409A. In this regard, if any amount under a 409A Award is payable upon a “separation from
service” (within the meaning of Section 409A) to a grantee who is then considered a “specified employee” (within the meaning of Section 409A), then no such payment shall be made prior to the date that is the earlier of
(i) six months and one day after the grantee’s separation from service, or (ii) the grantee’s death, but only to the extent such delay is necessary to prevent such payment from being subject to interest, penalties and/or
additional tax imposed pursuant to Section 409A. Further, the settlement of any 409A Award may not be accelerated except to the extent permitted by Section 409A. 

  
 15 

 SECTION 15. TERMINATION OF SERVICE RELATIONSHIP, TRANSFER, LEAVE OF ABSENCE, ETC. 

 (a) Termination of Service Relationship. If the grantee’s Service Relationship is with an Affiliate and such Affiliate ceases
to be an Affiliate, the grantee shall be deemed to have terminated his or her Service Relationship for purposes of the Plan. 
 (b) For
purposes of the Plan, the following events shall not be deemed a termination of a Service Relationship: 
 (i) a transfer to the employment
of the Company from an Affiliate or from the Company to an Affiliate, or from one Affiliate to another; or 
 (ii) 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 re-employment is guaranteed 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 so provides in writing. 
 SECTION 16. AMENDMENTS
AND TERMINATION 
 The Board may, at any time, amend or discontinue the Plan and the Administrator may, at any time, amend or cancel any
outstanding Award for the purpose of satisfying changes in law or for any other lawful purpose, but no such action shall materially and adversely affect rights under any outstanding Award without the holder’s consent. Except as provided in
Section 3(b) or 3(c), without prior stockholder approval, in no event may the Administrator exercise its discretion to reduce the exercise price of outstanding Stock Options or Stock Appreciation Rights or effect repricing through cancellation
and re-grants or cancellation of Stock Options or Stock Appreciation Rights in exchange for cash or other Awards. To the extent required under the rules of any securities exchange or market system on which the
Stock is listed, to the extent determined by the Administrator to be required by the Code to ensure that Incentive Stock Options granted under the Plan are qualified under Section 422 of the Code, Plan amendments shall be subject to approval by
Company stockholders. Nothing in this Section 16 shall limit the Administrator’s authority to take any action permitted pursuant to Section 3(b) or 3(c). 

SECTION 17. STATUS OF PLAN 

With respect to the portion of any Award that has not been exercised and any payments in cash, Stock or other consideration not received by a
grantee, a grantee shall have no rights greater than those of a general creditor of the Company unless the Administrator shall otherwise expressly determine in connection with any Award or Awards. In its sole discretion, the Administrator may
authorize the creation of trusts or other arrangements to meet the Company’s obligations to deliver Stock or make payments with respect to Awards hereunder, provided that the existence of such trusts or other arrangements is consistent
with the foregoing sentence. 

  
 16 

 SECTION 18. GENERAL PROVISIONS 

(a) No Distribution. The Administrator may require each person acquiring Stock pursuant to an Award to represent to and agree with the
Company in writing that such person is acquiring the shares without a view to distribution thereof. 
 (b) Issuance of Stock. To the
extent certificated, stock certificates to grantees under this Plan shall be deemed delivered for all purposes when the Company or a stock transfer agent of the Company shall have mailed such certificates in the United States mail, addressed to the
grantee, at the grantee’s last known address on file with the Company. Uncertificated Stock shall be deemed delivered for all purposes when the Company or a Stock transfer agent of the Company shall have given to the grantee by electronic mail
(with proof of receipt) or by United States mail, addressed to the grantee, at the grantee’s last known address on file with the Company, notice of issuance and recorded the issuance in its records (which may include electronic “book
entry” records). Notwithstanding anything herein to the contrary, the Company shall not be required to issue or deliver any evidence of book entry or certificates evidencing shares of Stock pursuant to the exercise or settlement of any Award,
unless and until the Administrator has determined, with advice of counsel (to the extent the Administrator deems such advice necessary or advisable), that the issuance and delivery is in compliance with all applicable laws, regulations of
governmental authorities and, if applicable, the requirements of any exchange on which the shares of Stock are listed, quoted or traded. Any Stock issued pursuant to the Plan shall be subject to any stop-transfer orders and other restrictions as the
Administrator deems necessary or advisable to comply with federal, state or foreign jurisdiction, securities or other laws, rules and quotation system on which the Stock is listed, quoted or traded. The Administrator may place legends on any Stock
certificate or notations on any book entry to reference restrictions applicable to the Stock. In addition to the terms and conditions provided herein, the Administrator may require that an individual make such reasonable covenants, agreements, and
representations as the Administrator, in its discretion, deems necessary or advisable in order to comply with any such laws, regulations, or requirements. The Administrator shall have the right to require any individual to comply with any timing or
other restrictions with respect to the settlement or exercise of any Award, including a window-period limitation, as may be imposed in the discretion of the Administrator. 

(c) Stockholder Rights. Until Stock is deemed delivered in accordance with Section 18(b), no right to vote or receive dividends or
any other rights of a stockholder will exist with respect to shares of Stock to be issued in connection with an Award, notwithstanding the exercise of a Stock Option or any other action by the grantee with respect to an Award. 

(d) Other Compensation Arrangements; No Employment Rights. Nothing contained in this Plan shall prevent the Board from adopting other or
additional compensation arrangements, including trusts, and such arrangements may be either generally applicable or applicable only in specific cases. The adoption of this Plan and the grant of Awards do not confer upon any employee any right to
continued employment with the Company or any Subsidiary. 

  
 17 

 (e) Trading Policy Restrictions. Option exercises and other Awards under the Plan
shall be subject to the Company’s insider trading policies and procedures, as in effect from time to time. 
 (f) Clawback
Policy. Awards under the Plan shall be subject to the Company’s clawback policy, as in effect from time to time. 
 SECTION 19.
EFFECTIVE DATE OF PLAN 
 This Plan shall become effective upon the “Closing Date” (as defined in the Merger Agreement),
subject to this Plan having been approved by the Company’s shareholders in accordance with applicable law, the Company’s bylaws and articles of incorporation, and applicable stock exchange rules. No grants of Stock Options and other Awards
may be made hereunder after the tenth anniversary of the date upon which the Company’s shareholders approve this Plan in accordance with the foregoing sentence, and no grants of Incentive Stock Options may be made hereunder after the tenth
anniversary of the date upon which this Plan is approved by the Board. 
 SECTION 20. GOVERNING LAW 

This Plan and all Awards and actions taken thereunder shall be governed by, and construed in accordance with, the laws of England and Wales.

 DATE APPROVED BY BOARD OF DIRECTORS: 
 DATE APPROVED BY
STOCKHOLDERS: 

  
 18 

 LUMIRADX LIMITED 

2021 STOCK OPTION AND INCENTIVE PLAN 

UNITED KINGDOM SUBPLAN 
 This United Kingdom
Subplan is established pursuant to Section 2(f) of the LumiraDx Limited 2021 Stock Option and Incentive Plan (this “Plan”) and applies to Awards granted to grantees resident in the United Kingdom and such other grantees as the
Administrator may determine. Capitalized terms not defined herein shall have the meaning ascribed to them in the Plan. 
 Awards granted under this United
Kingdom Subplan, shall be granted under the Plan, modified as follows: 
  

	1.	 The definition of “Consultant” is replaced with the wording set out below: 

“Consultant” means a consultant or adviser who provides bona fide services to the Company or an Affiliate as an
independent contractor 
  

	2.	 Section 4 relating to ELIGIBILITY shall be deleted and replaced with: 

Grantees under the Plan will be such full- or part-time employees, Non-Employee Directors or
Consultants of the Company and its Affiliates as are selected from time to time by the Administrator in its sole discretion. 
  

	3.	 Section 18(d) relating to GENERAL PROVISIONS shall be deleted and replaced with: 

(d) Other Compensation Arrangements; No Employment Rights. Nothing contained in this Plan shall prevent the Board from
adopting other or additional compensation arrangements, including trusts, and such arrangements may be either generally applicable or applicable only in specific cases. The adoption of this Plan and the grant of Awards: 

(i) do not confer upon any employee or consultant any right to continued employment, office or Service Relationship with the
Company or any Subsidiary; 
 (ii) do not form part of a grantee’s entitlement to remuneration or benefits pursuant to
his or her contract of employment or consultancy agreement or the terms on which he or she holds office (as applicable) with the Company or an Affiliate and benefits under this Plan shall not be pensionable; 

(iii) shall not affect the rights and obligations of a grantee under the terms of his or her contract of employment or
consultancy agreement or the terms on which he holds office (as applicable) with the Company or an Affiliate; 

  
 19 

 (iv) shall not give any grantee or other individual any right, entitlement
or expectation that he or she will or will in the future participate in the Plan by being granted an Award on any occasion; 

(v) shall not give any grantee any rights or additional rights to compensation or damages in consequence of either: 

(A) the grantee giving or receiving notice of termination of his or her Service Relationship; or 

(B) the loss or termination of his Service Relationship with the Company or an Affiliate for any reason whatsoever whether or
not the termination (and/or giving of notice) is ultimately held to be wrongful or unfair; and 
 (vi) shall not entitle a
grantee to any compensation or damages for any loss or potential losses which he may suffer by reason of being unable to acquire or retain Stock or any interest in Stock, pursuant to an Award in consequence of: 

(A) the grantee giving or receiving notice of termination of his or her Service Relationship (whether or not the termination
(and/or giving of notice) is ultimately held to be wrongful or unfair); 
 (B) the loss or termination of his or her Service
Relationship with the Company or any Affiliate for any reason whatsoever (whether or not the termination is ultimately held to be wrongful or unfair); 

(C) the exercise by the Administrator of, or failure by the Administrator to exercise, any discretion in accordance with the
terms of this Plan; or 
 (D) any other reason. 

The existence of a Service Relationship between any individual and the Company or any Affiliate does not give that individual,
whether or not such individual is a grantee, any entitlement or right to have an Award granted to him at any time in respect of any number of Stock or cash amount, nor any expectation that an Award might be granted to him, whether subject to
conditions or at all. 

  
 20 

	4.	 After Section 20 the following new Section 21 shall be added: 

Section 21 EXCLUSION OF THIRD PARTY RIGHTS 

The Contracts (Rights of Third Parties) Act 1999 shall not apply to this Plan nor to any Award granted under it and no person other than the
parties to an Award shall have any rights under it nor shall it be enforceable under that Act by any person other than the parties to it, other than as stated in Section 13 with regard to the rights of an Affiliate regarding tax withholding,
and with regard to any other Affiliate’s rights. Notwithstanding the rights stated in Section 13 or any Affiliate’s rights, under no circumstances shall any consent be required from such persons for the termination, rescission,
amendment or variation of this Plan, whether or not such termination, rescission, amendment or variation affects or extinguishes any such benefit or right. 

  
 21EX-10.19

 Exhibit 10.19 

{FINAL FORM} 
 LUMIRADX LIMITED

 2021 EMPLOYEE STOCK PURCHASE PLAN 

1. Purpose. The purpose of the Plan is to provide employees of the Company and its Designated Subsidiaries with an opportunity to
acquire a proprietary interest in the Company through the purchase of shares of Stock. The Company intends for the Plan to qualify as an “employee stock purchase plan” under Section 423 of the Code. The provisions of the Plan,
accordingly, will be construed so as to extend and limit Plan participation in a uniform and nondiscriminatory basis consistent with the requirements of Section 423 of the Code. 

2. Definitions. 
 (a)
“Administrator” means either (x) the Board, (y) the compensation committee of the Board or (z) a similar committee designated by the Board and performing the functions of the compensation committee. 

(b) “Affiliate” means, at the time of determination, any “parent” or “subsidiary” of the Company as such
terms are defined in Rule 405 of the Act. The Board will have the authority to determine the time or times at which “parent” or “subsidiary” status is determined within the foregoing definition. 

(c) “Beneficial Ownership” has the meaning set forth in Rule 13d-3 promulgated under
Section 13 of the Exchange Act. 
 (d) “Board” means the Board of Directors of the Company. 

(e) “Code” means the Internal Revenue Code of 1986, as amended, and any successor Code, and related rules, regulations and
interpretations. 
 (f) “Company” means LumiraDx Limited, incorporated in the Cayman Islands, or any successor thereto. 

(g) “Compensation” includes an Eligible Employee’s base straight-time gross earnings, excluding commissions, bonuses and
other incentive compensation. Notwithstanding the foregoing, the Administrator, may from time to time, in its discretion (on a uniform and nondiscriminatory basis), modify the definition of Compensation prior to any Enrollment Date, effective for
Offering Periods commencing on or after such Enrollment Date. 
 (h) “Contributions” means the payroll deductions that the
Company may permit to be made by a Participant to fund the exercise of options granted pursuant to the Plan. 
 (i) “Designated
Subsidiary” means each Subsidiary of the Company, unless otherwise provided by the Administrator from time to time in its sole discretion. 

(j) “Effective Date” means the date on which this Plan is adopted by the Board, subject to approval by stockholders in
accordance with Section 25. 

 [FINAL FORM] 
  

 (k) “Eligible Employee” means any individual who is a common law employee
providing services to the Company or a Designated Subsidiary. Notwithstanding the foregoing or anything elsewhere in this Plan to the contrary, the Administrator may from time to time, in its discretion (on a uniform and nondiscriminatory basis and
as otherwise permitted by Treasury Regulation Section 1.423-2), determine prior to an Enrollment Date for any Offering that any one or more of the following categories of individuals will or will not be
Eligible Employees for the purposes of such Offering or any future Offerings: common law employees of the Company or the Designated Subsidiaries providing services to the Company or the Designated Subsidiary who (i) have not completed a
specified period of service since his or her last hire date, (ii) customarily work not more than a specified number of hours per week, (iii) customarily work not more than five (5) months per calendar year (or such lesser period of
time as may be determined by the Administrator in its discretion), (iv) are highly compensated employees within the meaning of Section 414(q) of the Code, or (v) are highly compensated employees within the meaning of Section 414(q) of
the Code with compensation above a certain level or who are officers of the Company or a Designated Subsidiary, or who are subject to the disclosure requirements of Section 16(a) of the Exchange Act, provided, in each case, that the exclusion
is applied with respect to each given Offering in an identical manner to all highly compensated individuals of the Employer whose Eligible Employees are participating in that Offering. Each exclusion will be applied with respect to an Offering in a
manner complying with U.S. Treasury Regulation Section 1.423-2(e)(2)(ii). For purposes of the Plan, the employment relationship will be treated as continuing intact while the individual is on sick leave
or other leave of absence that the Employer approves or is legally protected under applicable law. Where the period of leave exceeds three (3) months and the individual’s right to reemployment is not guaranteed either by statute or by
contract, the employment relationship will be deemed to have terminated on the date that is three (3) months and one (1) day following the commencement of such leave. 

(l) “Employer” means, with respect to an Eligible Employee, such Eligible Employee’s legal employer. 

(m) “Enrollment Date” means the first Trading Day of an Offering Period. 

(n) “Exchange Act” means the Securities Exchange Act of 1934, as amended, and the rules and regulations thereunder. 

(o) “Exercise Date” means the date on which each outstanding option granted under the Plan will be exercised. The Plan’s
Exercise Dates will be March 31, June 30, September 30, and December 31, or if such date is not a Trading Day, the immediately preceding Trading Day; provided, however, that the Administrator may from time to time,
in its discretion, change the Exercise Date(s) on a uniform and nondiscriminatory basis from time to time prior to an Enrollment Date for all options to be granted on or after such Enrollment Date. For purposes of clarification, the Administrator
may establish multiple Exercise Dates during an Offering Period. 
 (p) “Fair Market Value” of the Stock on any given date
means the fair market value of the Stock determined in good faith by the Administrator in accordance with Section 409A; provided, however, that if the Stock is listed on the National Association of Securities Dealers Automated
Quotation System (“NASDAQ”), NASDAQ Global Market, The New York Stock Exchange or another national securities exchange or traded on any established market, the determination shall be made by reference to market quotations. If there
are no market quotations for such date, the determination shall be made by reference to the last date preceding such date for which there are market quotations. 

 [FINAL FORM] 
  

 (q) “New Exercise Date” means a new Exercise Date if the Administrator
shortens any Offering Period then in progress. 
 (r) “Offering” means an offer under the Plan of an option that may be
exercised during an Offering Period as further described in Section 4. For purposes of the Plan, the Administrator may designate separate Offerings under the Plan (the terms of which need not be identical) in which Eligible Employees will
participate, even if the dates of the applicable Offering Periods of each such Offering are identical, in which case the provisions of the Plan will separately apply to each Offering. To the extent permitted by U.S. Treasury Regulation Section 1.423-2(a)(1), the terms of each Offering need not be identical, provided that the terms of the Plan and an Offering together satisfy U.S. Treasury Regulation
Section 1.423-2(a)(2) and (a)(3). 
 (s) “Offering Period” means the three
(3) month periods from January 1 to the next March 31, from April 1 to the next June 30, from July 1 to the next September 30, and from October 1 to the next December 31, with there being at minimum of
four (4) Offering Periods per complete calendar year under the terms of this Plan. Notwithstanding the foregoing, the Administrator may from time to time, in its discretion, modify the duration and timing of Offering Periods pursuant to
Sections 4 and 20. 
 (t) “Parent” means a “parent corporation,” whether now or hereafter existing,
as defined in Section 424(e) of the Code. 
 (u) “Participant” means an Eligible Employee who participates in the Plan.

 (v) “Person” has the meaning given in Section 3(a)(9) of the Exchange Act, as modified and used in Sections 13(d)
and 14(d) thereof, except that such term shall not include (i) the Company or any of its subsidiaries, (ii) a trustee or other fiduciary holding securities under an employee benefit plan of the Company or any of its Affiliates,
(iii) an underwriter temporarily holding securities pursuant to an offering of such securities, or (iv) a corporation owned, directly or indirectly, by the shareholders of the Company in substantially the same proportions as their
ownership of Stock of the Company. 
 (w) “Plan” means this LumiraDx Limited 2021 Employee Stock Purchase Plan. 

(x) “Purchase Price” means 85% of the lesser of (A) the Fair Market Value of a share of Stock on the Enrollment Date and
(B) the Fair Market Value of a share of Stock on the Exercise Date, or such other amount as may be required under Section 423 of the Code. Notwithstanding the foregoing, the Administrator may from time to time, in its discretion, modify
the definition of Purchase Price on a uniform and nondiscriminatory basis prior to an Enrollment Date for all options to be granted on or after such Enrollment Date, provided that the Purchase Price shall not be less than 85% of the lesser of
(i) the Fair Market Value of a share of Stock on the Enrollment Date and (ii) the Fair Market Value of a share of Stock on the Exercise Date, or such other amount as may be required under Section 423 of the Code. 

 [FINAL FORM] 
  

 (y) “Sale Event” shall mean (i) the sale of all or substantially
all of the assets of the Company on a consolidated basis to an unrelated person or entity, (ii) a merger, reorganization or consolidation pursuant to which the holders of the Company’s outstanding voting power and outstanding stock
immediately prior to such transaction do not own a majority of the outstanding voting power and outstanding stock or other equity interests of the resulting or successor entity (or its ultimate parent, if applicable) immediately upon completion of
such transaction, (iii) the sale of all of the Stock of the Company to an unrelated person, entity or group thereof acting in concert, or (iv) any other transaction in which the owners of the Company’s outstanding voting power
immediately prior to such transaction do not own at least a majority of the outstanding voting power of the Company or any successor entity immediately upon completion of the transaction other than as a result of the acquisition of securities
directly from the Company. 
 (z) “Section 409A” means Section 409A of the Code and the regulations
and other guidance promulgated thereunder. 
 (aa) “Stock” means the Common Stock, par value $0.001 per share, of the
Company, subject to adjustments pursuant to Section 19(a). 
 (bb) “Subsidiary” means any corporation or other entity
(other than the Company) in which the Company has at least a 50 percent interest, either directly or indirectly. 
 (cc)
“Trading Day” means a day on which the national stock exchange upon which the Stock is listed is open for trading. 
 (dd)
“U.S. Treasury Regulations” means the Treasury regulations under the Code. Reference to a specific Treasury Regulation will include such Treasury Regulation, the section of the Code under which such regulation was promulgated, and
any comparable provision of any future legislation or regulation amending, supplementing, or superseding such Section or regulation. 
 3.
Eligibility. 
 (a) Offering Periods. Any Eligible Employee on a given Enrollment Date will be eligible to participate in the
Plan, subject to the requirements of Section 5. 
 (b) Non-U.S. Employees.
Eligible Employees who are citizens or residents of a non-U.S. jurisdiction (without regard to whether they also are citizens or residents of the United States or resident aliens (within the meaning of
Section 7701(b)(1) (A) of the Code)) may be excluded from participation in the Plan or an Offering if the participation of such Eligible Employees is prohibited under the laws of the applicable jurisdiction or if complying with the laws of the
applicable jurisdiction would cause the Plan or an Offering to violate Section 423 of the Code. 
 (c) Limitations. Any
provisions of the Plan to the contrary notwithstanding, no Eligible Employee will be granted an option under the Plan (i) to the extent that, immediately after the grant, such Eligible Employee (or any other person whose stock would be
attributed to such Eligible Employee pursuant to Section 424(d) of the Code) would own capital stock of the Company or any Parent or Subsidiary of the Company and/or hold outstanding options to purchase

 [FINAL FORM] 
  

 
such stock possessing five percent (5%) or more of the total combined voting power or value of all classes of the capital stock of the Company or of any Parent or Subsidiary of the Company, or
(ii) to the extent that his or her rights to purchase stock under all employee stock purchase plans (as defined in Section 423 of the Code) of the Company or any Parent or Subsidiary of the Company accrues at a rate, which exceeds
twenty-five thousand dollars ($25,000) worth of stock (determined at the Fair Market Value of the stock at the time such option is granted) for each calendar year in which such option is outstanding at any time, as determined in accordance with
Section 423 of the Code and the regulations thereunder. 
 4. Offering Periods. Each Offering Period will expire on the
completion of the purchase of shares of Stock on the last Exercise Date in that Offering Period. Notwithstanding the foregoing, the Administrator may from time to time, in its discretion, change the duration and timing of Offering Periods, provided
that the last Exercise Date of each Offering Period must occur no later than twenty-seven (27) months after the applicable Enrollment Date on which the option to purchase shares of Stock was granted. Such change in the Offering Period must be
made on a uniform and nondiscriminatory basis and must be made prior to the Enrollment Date for the modified Offering Period. 
 5.
Participation. An Eligible Employee may participate in the Plan by (i) submitting to the Company a properly completed subscription agreement authorizing Contributions in the form provided by the Administrator for such purpose (which may be
an on-line electronic agreement) or (ii) following an electronic or other enrollment procedure determined by the Administrator, in either case on or before a date determined by the Administrator prior to
an applicable Enrollment Date. 
 6. Contributions. 

(a) At the time a Participant enrolls in the Plan pursuant to Section 5, he or she will elect to have Contributions made on each pay day
during the Offering Period. A Participant’s Contributions during a single Offering Period may not exceed 15% of his or her Compensation during such Offering Period, subject to the limitations set forth in Section 3(c). The foregoing
limitations on Contributions may be modified by the Administrator from time to time, in its discretion and on a uniform and nondiscriminatory basis, for all options to be granted on any Enrollment Date. A Participant’s subscription agreement
will remain in effect for successive Offering Periods unless terminated as provided in Section 10. 
 (b) Contributions will
commence on the first pay day following the Enrollment Date and will end on the last pay day on or prior to the last Exercise Date of such Offering Period to which such authorization is applicable, unless sooner terminated by the Participant as
provided in Section 10. 
 (c) All Contributions made for a Participant will be credited to his or her account under the Plan and
Contributions will be made in whole percentages of his or her Compensation only. 

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 (d) A Participant who has enrolled in an Offering Period may elect to prospectively reduce
the percentage of Compensation to contribute to the Plan; provided that the Participant may not make more than one such change election during each Offering Period. An election to reduce Contributions is effective for payroll periods commencing five
(5) business days or more after the election is made. A Participant may not elect to increase his or her rate of Contributions during an Offering Period. Notwithstanding the foregoing, the Administrator may, in its discretion and on a uniform
and nondiscriminatory basis, change the rule regarding elections to increase or decrease the rate of Contributions, provided that the change for an Offering Period is made and communicated to Eligible Employees before the beginning of that Offering
Period. 
 (e) Notwithstanding the foregoing, to the extent necessary to comply with Section 423(b)(8) of the Code and
Section 3(c), a Participant’s Contributions may be decreased to zero percent (0%) at any time during an Offering Period. Subject to Section 3(c) and Section 423(b)(8) of the Code, Contributions will recommence at
the rate originally elected by the Participant effective as of the beginning of the first Offering Period scheduled to end in the following calendar year, unless terminated by the Participant as provided in Section 10. 

(f) At the time the option is exercised, in whole or in part, or at the time some or all of the Stock issued under the Plan is disposed of (or
any other time that a taxable event related to the Plan occurs), the Participant must make adequate provision for the Company’s or Employer’s federal, state, local or any other tax liability payable to any authority including taxes imposed
by jurisdictions outside of the U.S., national insurance, social security or other tax withholding obligations, if any, which arise upon the exercise of the option or the disposition of the Stock (or any other time that a taxable event related to
the Plan occurs). At any time, the Company or the Employer may, but will not be obligated to, withhold from the Participant’s compensation the amount necessary for the Company or the Employer to meet applicable withholding obligations,
including any withholding required to make available to the Company or the Employer any tax deductions or benefits attributable to sale or early disposition of Stock by the Eligible Employee. In addition, the Company or the Employer may, but will
not be obligated to, withhold from the proceeds of the sale of Stock or any other method of withholding the Company or the Employer deems appropriate to the extent permitted by U.S. Treasury Regulation
Section 1.423-2(f). 
 7. Grant of Option. On the Enrollment Date of each Offering
Period, each Eligible Employee participating in such Offering Period will be granted an option to purchase on each Exercise Date during such Offering Period (at the applicable Purchase Price) up to a number of shares of Stock determined by dividing
such Eligible Employee’s Contributions accumulated prior to such Exercise Date and retained in the Eligible Employee’s account as of the Exercise Date by the applicable Purchase Price, subject to the limitations set forth in Sections
3(c), 8, and 13. The Eligible Employee may accept the grant of such option by electing to participate in the Plan in accordance with the requirements of Section 5. The Administrator may, for future Offering Periods,
increase or decrease, in its absolute discretion, the maximum number of shares of Stock that an Eligible Employee may purchase during each Offering Period. Exercise of the option will occur as provided in Section 8, unless the Participant has
withdrawn pursuant to Section 10. The option will expire on the last day of the Offering Period. 

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 8. Exercise of Option. 

(a) A Participant’s option for the purchase of shares of Stock will be exercised automatically on each Exercise Date, and the maximum
number of full shares of Stock subject to the option will be purchased for such Participant at the applicable Purchase Price with the accumulated Contributions from his or her account, provided that in no event will any one Participant be entitled
to purchase more than 3,500 shares per Offering Period. No fractional shares of Stock will be purchased. Any Contributions accumulated in a Participant’s account that are not sufficient to purchase a full share of Stock will be retained in the
Participant’s account for the subsequent Offering Period, subject to earlier withdrawal by the Participant as provided in Section 10. During a Participant’s lifetime, a Participant’s option to purchase shares of Stock hereunder
is exercisable only by him or her. 
 (b) If the Administrator determines that, on a given Exercise Date, the number of shares of Stock with
respect to which options are to be exercised may exceed (i) the number of shares of Stock that were available for sale under the Plan and all of its sub-plans then in existence on the Enrollment Date of
the applicable Offering Period, or (ii) the number of shares of Stock available for sale under the Plan and all of its sub-plans then in existence on such Exercise Date, the Administrator may in its sole
discretion, (x) provide that the Company will make a pro rata allocation of the shares of Stock available for purchase on such Enrollment Date or Exercise Date, as applicable, in as uniform a manner as will be practicable and as it will
determine in its sole discretion to be equitable among all Participants exercising options to purchase Stock on such Exercise Date, and continue all Offering Periods then in effect, or (y) provide that the Company will make a pro rata
allocation of the shares of Stock available for purchase on such Enrollment Date or Exercise Date, as applicable, in as uniform a manner as will be practicable and as it will determine in its sole discretion to be equitable among all participants
exercising options to purchase Stock on such Exercise Date, and terminate any or all Offering Periods then in effect pursuant to Section 20. The Company may make a pro rata allocation of the shares of Stock available on the Enrollment Date of
any applicable Offering Period pursuant to the preceding sentence, notwithstanding any authorization of additional shares of Stock for issuance under the Plan and all of its sub-plans then in existence by the
Company’s stockholders subsequent to such Enrollment Date. 
 9. Delivery. 

(a) As soon as reasonably practicable after each Exercise Date on which a purchase of shares of Stock occurs, the Company will arrange the
delivery to each Participant of the shares of Stock purchased upon exercise of his or her option in a form determined by the Administrator (in its sole discretion) and pursuant to rules established by the Administrator. The Company may permit or
require that Stock be deposited directly with a broker designated by the Company or to a designated agent of the Company, and the Company may utilize electronic or automated methods of Stock transfer. The Company may require that Stock be retained
with such broker or agent for a designated period of time and/or may establish other procedures to permit tracking of disqualifying dispositions of such Stock. 

(b) No Participant will have any voting, dividend, or other stockholder rights with respect to shares of Stock subject to any Stock underlying
options granted under the Plan until such shares of Stock have been purchased and delivered to the Participant as provided in this Section 9. Upon receipt of any Stock issued under this Plan, a Participant is free to hold or dispose of such
Stock, subject to applicable law and any internal Company policy then in effect and applicable to the Participant, such as the Company’s insider trading policy. Each Participant shall 

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give the Company prompt notice of any disposition of any shares of Stock, acquired pursuant to the exercise of an option, if such disposition is made (i) within two (2) years after the
applicable Enrollment Date or (ii) within one (1) year after the transfer of such shares of Stock to such Participant upon exercise of such option. The Company may direct that any certificates evidencing shares acquired pursuant to the Plan refer to
such requirement. 
 10. Withdrawal. 

(a) A Participant’s subscription agreement will remain in effect for successive Offering Periods until the Participant withdraws from a
succeeding Offering Period prior to the Enrollment Date for that Offering Period by (i) submitting to the Company a written notice of withdrawal in the form determined by the Administrator for such purpose, or (ii) following an electronic
or other withdrawal procedure determined by the Administrator. If a Participant withdraws from an Offering Period, Contributions will not be made for that Offering Period and for succeeding Offering Periods, until the Participant re-enrolls in the Plan in accordance with the provisions of Section 5. A Participant’s withdrawal from an Offering Period will not have any effect on his or her eligibility to participate in any similar
plan that may hereafter be adopted by the Company or in succeeding Offering Periods that commence after the termination of the Offering Period from which the Participant withdraws. 

(b) A Participant enrolled in an Offering Period may withdraw all but not less than all the Contributions credited to his or her account for
that Offering Period and not yet used to exercise his or her option under the Plan, subject to any limitations imposed by the Administrator and/or by Company policies. Such withdrawal must be made at least fifteen (15) business days before an
Exercise Date in order for the withdrawal to be effective before the purchase on that Exercise Date. A Participant may make a withdrawal by (i) submitting to the Company a written notice of withdrawal in the form determined by the Administrator
for such purpose, or (ii) following an electronic or other withdrawal procedure determined by the Administrator. All of the Participant’s Contributions credited to his or her account will be paid to such Participant, without interest,
promptly after receipt of notice of withdrawal and such Participant’s option for the Offering Period will be automatically terminated, and no further Contributions for the purchase of Stock will be made for such Offering Period. If a
Participant withdraws from an Offering Period, Contributions will not resume at the beginning of the succeeding Offering Period, unless the Participant re-enrolls in the Plan in accordance with the provisions
of Section 5. 
 11. Termination of Employment. Upon a Participant’s ceasing to be an Eligible Employee for any
reason, he or she will be deemed to have elected to withdraw from the Plan pursuant to Section 10, and the Contributions credited to such Participant’s account during the Offering Period but not yet used to purchase shares of Stock under
the Plan will be returned, without interest, to such Participant or, in the case of his or her death, to the person or persons entitled thereto under Section 15, and such Participant’s option will be automatically terminated. Unless
otherwise provided by the Administrator, a Participant whose employment transfers between entities through a termination with an immediate rehire (with no break in service) by the Company or a Designated Subsidiary will not be treated as terminated
under the Plan. 
 12. Interest. No interest will accrue on the Contributions of a Participant in the Plan, except as may be required
by applicable law, as determined by the Company, and if so required by the laws of a particular jurisdiction, will apply to all Participants in the relevant Offering, except to the extent otherwise permitted by U.S. Treasury Regulation Section 1.423-2(f). 

 [FINAL FORM] 
  

 13. Stock. 

(a) Subject to adjustment upon changes in capitalization of the Company as provided in Section 19, the maximum number of shares of
Stock that will be made available for sale under the Plan and all of its sub-plans then in existence on the Effective Date, collectively, will be [___]1
shares of Stock, plus on January 1, 2022, and each January 1 thereafter, the number of shares of Stock available for sale under the Plan and all of its sub-plans then in existence will automatically
increase by a number of shares of Stock equal to the lesser of (a) 50,000,000 shares of Stock, and (b) the number of shares of Stock representing five percent (5%) percent of the fully diluted capitalization of the Company as of such date. 

(b) Until the shares of Stock are issued (as evidenced by the appropriate entry on the books of the Company or of a duly authorized transfer
agent of the Company), a Participant will have only the rights of an unsecured creditor with respect to such Stock, and no right to vote or receive dividends or any other rights as a stockholder will exist with respect to such Stock. 

(c) Shares of Stock to be delivered to a Participant under the Plan will be registered in the name of the Participant or in the name of the
Participant and his or her spouse, as the Participant may elect. 
 14. Administration. The Plan will be administered by the
Administrator, which Administrator will be constituted to comply with applicable law. The Administrator will have full and exclusive discretionary authority to construe, interpret and apply the terms of the Plan, to delegate ministerial duties to
any of the Company’s employees, to designate separate Offerings under the Plan, to designate Subsidiaries of the Company as Designated Subsidiaries, to determine eligibility, to adjudicate all disputed claims filed under the Plan and to
establish such procedures that it deems necessary for the administration of the Plan (including, without limitation, to adopt such procedures and sub-plans as are necessary or appropriate to permit the
participation in the Plan by employees who are foreign nationals or employed outside the U.S., the terms of which sub-plans may take precedence over other provisions of this Plan, with the exception of
Section 13(a), and except to the extent that such terms would cause the Plan or any Offering to cease to satisfy the requirements of Section 423 of the Code, but unless otherwise superseded by the terms of such sub-plan, the provisions of this Plan will govern the operation of such sub-plan). Without limiting the generality of the foregoing, the Administrator is specifically
authorized to adopt rules and procedures regarding eligibility to participate, the definition of Compensation, handling of Contributions, making of Contributions to the Plan (including, without limitation, in forms other than payroll deductions),
establishment of bank or trust accounts to hold Contributions, payment of interest, conversion of local currency, obligations to pay payroll tax, determination of beneficiary designation requirements, withholding procedures and handling of stock
certificates that vary with applicable local requirements. The Administrator also is authorized to determine that, to the extent permitted by 

 

	1 	 To be a number of shares of Stock equal to 5% of the fully diluted capitalization of the Company as of the
Effective Date. 

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U.S. Treasury Regulation Section 1.423-2(f), the terms of an option granted under a sub-plan or an offering to
citizens or residents of a non-U.S. jurisdiction under a sub-plan will be less favorable than the terms of options granted under the Plan or the same Offering to
employees residing solely in the U.S. Every finding, decision, and determination made by the Administrator will, to the full extent permitted by law, be final and binding upon all parties. 

15. Designation of Beneficiary. 

(a) If permitted by the Administrator, a Participant may file a designation of a beneficiary who is to receive any shares of Stock and cash, if
any, from the Participant’s account under the Plan in the event of such Participant’s death subsequent to an Exercise Date on which the option is exercised but prior to delivery to such Participant of such Stock and cash. In addition, if
permitted by the Administrator, a Participant may file a designation of a beneficiary who is to receive any cash from the Participant’s account under the Plan in the event of such Participant’s death prior to exercise of the option. If a
Participant is married and the designated beneficiary is not the spouse, spousal consent will be required for such designation to be effective. 

(b) Such designation of beneficiary may be changed by the Participant at any time by notice in a form determined by the Administrator. In the
event of the death of a Participant and in the absence of a beneficiary validly designated under the Plan who is living at the time of such Participant’s death, the Company will deliver such Stock and/or cash to the executor or administrator of
the estate of the Participant, or if no such executor or administrator has been appointed (to the knowledge of the Company), the Company, in its discretion, may deliver such Stock and/or cash to the spouse or to any one or more dependents or
relatives of the Participant, or if no spouse, dependent or relative is known to the Company, then to such other person as the Company may designate. 

(c) All beneficiary designations will be in such form and manner as the Administrator may designate from time to time. Notwithstanding Sections
15(a) and (b) above, the Company and/or the Administrator may decide not to permit such designations by Participants in non-U.S. jurisdictions to the extent permitted by U.S. Treasury
Regulation Section 1.423-2(f). 
 16. Transferability. Neither Contributions credited to
a Participant’s account nor any rights with regard to the exercise of an option or to receive shares of Stock under the Plan may be assigned, transferred, pledged or otherwise disposed of in any way (other than by will, the laws of descent and
distribution or as provided in Section 15) by the Participant. Any such attempt at assignment, transfer, pledge or other disposition will be without effect, except that the Company may treat such act as an election to withdraw funds from
an Offering Period in accordance with Section 10. 
 17. Use of Funds. The Company may use all Contributions received or
held by it under the Plan for any corporate purpose, and the Company will not be obligated to segregate such Contributions. Until shares of Stock are issued, Participants will have only the rights of an unsecured creditor with respect to such
Contributions and such Stock. 
 18. Reports. Individual accounts will be maintained for each Participant in the Plan. Statements of
account will be given to participating Eligible Employees at least annually, which statements will set forth the amounts of Contributions, the Purchase Price, the number of shares of Stock purchased and the remaining cash balance, if any. 

 [FINAL FORM] 
  

 19. Adjustments, Dissolution, Liquidation, Merger, or Sale Event. 

(a) Adjustments. In the event that any dividend or other distribution (whether in the form of cash, Stock, other securities, or other
property), recapitalization, stock split, reverse stock split, reorganization, merger, amalgamation, consolidation, split-up, spin-off, combination, repurchase, or
exchange of Stock or other securities of the Company, or other change in the corporate structure of the Company affecting the Stock occurs, the Administrator, in order to prevent dilution or enlargement of the benefits or potential benefits intended
to be made available under the Plan, will, in such manner as it may deem equitable, adjust the number and class of Stock that may be delivered under the Plan, the Purchase Price per share and the number of shares of Stock covered by each option
under the Plan that has not yet been exercised, and the numerical limits of Sections 8 and 13. 
 (b) Dissolution or
Liquidation. In the event of the proposed dissolution or liquidation of the Company, any Offering Period then in progress will be shortened by setting a New Exercise Date and will terminate immediately prior to the consummation of such proposed
dissolution or liquidation, unless provided otherwise by the Administrator. The New Exercise Date will be before the date of the Company’s proposed dissolution or liquidation. The Administrator will notify each Participant in writing or
electronically, prior to the New Exercise Date, that the Exercise Date for the Participant’s option has been changed to the New Exercise Date and that the Participant’s option will be exercised automatically on the New Exercise Date,
unless prior to such date the Participant has withdrawn from the Offering Period as provided in Section 10. 
 (c) Sale
Event. Upon the occurrence of a Sale Event, each outstanding option will be assumed or an equivalent option substituted by the successor corporation or a Parent or Subsidiary of the successor corporation. In the event that the successor
corporation refuses to assume or substitute for the option, the Offering Period with respect to which such option relates will be shortened by setting a New Exercise Date on which such Offering Period will end. The New Exercise Date will occur
before the date of the Company’s proposed Sale Event. The Administrator will notify each Participant in writing or electronically prior to the New Exercise Date, that the Exercise Date for the Participant’s option has been changed to the
New Exercise Date and that the Participant’s option will be exercised automatically on the New Exercise Date, unless prior to such date the Participant has withdrawn from the Offering Period as provided in Section 10. 

20. Amendment or Termination. 

(a) The Administrator, in its sole discretion, may amend, suspend, or terminate the Plan, or any part thereof, at any time and for any reason.
If the Plan is terminated, the Administrator, in its discretion, may elect to terminate all outstanding Offering Periods either immediately or upon completion of the purchase of shares of Stock on the next Exercise Date (which may be sooner than
originally scheduled, if determined by the Administrator in its discretion), or may elect to permit Offering Periods to expire in accordance with their terms (and subject to any adjustment pursuant to Section 19). If the Offering Periods are
terminated prior to expiration, all amounts then credited to Participants’ accounts that have not been used to purchase shares of Stock will be returned to the Participants (without interest thereon, except as otherwise required under
applicable law, as further set forth in Section 12) as soon as administratively practicable. 

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 (b) Without stockholder consent and without limiting Section 20(a), the
Administrator shall have the authority and the sole discretion to change the Offering Periods, designate separate Offerings, limit the frequency and/or number of changes in the amount withheld during an Offering Period, permit Contributions in
excess of the amount designated by a Participant in order to adjust for delays or mistakes in the Company’s processing of properly completed Contribution elections, establish reasonable waiting and adjustment periods and/or accounting and
crediting procedures to ensure that amounts applied toward the purchase of Stock for each Participant properly correspond with Contribution amounts, and establish such other limitations or procedures as the Administrator determines in its sole
discretion advisable that are consistent with the Plan. 
 (c) In the event the Administrator determines that the ongoing operation of the
Plan may result in unfavorable financial accounting consequences, the Administrator may, in its discretion and, to the extent necessary or desirable, modify, amend or terminate the Plan to reduce or eliminate such accounting consequence including,
but not limited to: 
 (i) amending the Plan to conform with the safe harbor definition under the Financial Accounting Standards Board
Accounting Standards Codification Topic 718 (or any successor thereto), including with respect to an Offering Period underway at the time; 

(ii) altering the Purchase Price for any Offering Period, including an Offering Period underway at the time of the change in Purchase Price;

 (iii) shortening any Offering Period by setting a New Exercise Date, including an Offering Period underway at the time of the
Administrator’s action; 
 (iv) reducing the maximum percentage of Compensation a Participant may elect to set aside as Contributions;
and 
 (v) reducing the maximum number of shares of Stock a Participant may purchase during any Offering Period. 

Such modifications or amendments will not require stockholder approval or the consent of any Participants. 

(d) Notwithstanding anything in this Section 20 of the Plan or elsewhere in this Plan to the contrary, (i) no amendment may increase the
aggregate number of shares of Stock which may be issued under the Plan (other than an adjustment provided for in Section 19 of the Plan) unless it is approved by the stockholders of the Company within twelve (12) months of its adoption, and
(ii) without approval of the Company’s stockholders, this Plan may not be amended in any manner that would cause the Plan to no longer be an “employee stock purchase plan” within the meaning of Section 423(b) of the Code.

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 21. Notices. All notices or other communications by a Participant to the Company under
or in connection with the Plan will be deemed to have been duly given when received in the form and manner specified by the Company at the location, or by the person, designated by the Company for the receipt thereof. 

22. Conditions Upon Issuance of Stock. Shares of Stock will not be issued with respect to an option unless the exercise of such option
and the issuance and delivery of such shares of Stock pursuant thereto will comply with all applicable provisions of law, domestic or foreign, including, without limitation, the U.S. Securities Act of 1933, as amended, the Exchange Act, the rules
and regulations promulgated thereunder, and the requirements of any stock exchange upon which the shares of Stock may then be listed, and will be further subject to the approval of counsel for the Company with respect to such compliance. As a
condition to the exercise of an option, the Company may require the person exercising such option to represent and warrant at the time of any such exercise that the shares of Stock are being purchased only for investment and without any present
intention to sell or distribute such shares of Stock if, in the opinion of counsel for the Company, such a representation is required by any of the aforementioned applicable provisions of law. 

23. Section 409A. The Plan is exempt from the application of Section 409A and any ambiguities herein will be interpreted to so be
exempt from Section 409A. In furtherance of the foregoing and notwithstanding any provision in the Plan to the contrary, if the Administrator determines that an option granted under the Plan may be subject to Section 409A or that any
provision in the Plan would cause an option under the Plan to be subject to Section 409A, the Administrator may amend the terms of the Plan and/or of an outstanding option granted under the Plan, or take such other action the Administrator
determines is necessary or appropriate, in each case, without the Participant’s consent, to exempt any outstanding option or future option that may be granted under the Plan from or to allow any such options to comply with Section 409A,
but only to the extent any such amendments or action by the Administrator would not violate Section 409A. Notwithstanding the foregoing, the Company will have no liability to a Participant or any other party if any option to purchase Stock
under the Plan that is intended to be exempt from or compliant with Section 409A is not so exempt or compliant or for any action taken by the Administrator with respect thereto. The Company makes no representation that any option to purchase
Stock under the Plan is compliant with Section 409A. 
 24. Term of Plan. The Plan will become effective on the Effective Date
and, unless terminated earlier pursuant to Section 20, shall have a term of 10 years. 
 25. Stockholder Approval. The
Plan will be subject to approval by the stockholders of the Company within twelve (12) months after the date the Plan is adopted by the Board. Such stockholder approval will be obtained in the manner and to the degree required under applicable law.

 26. Governing Law. This Plan and all Awards and actions taken thereunder shall be governed by, and construed in accordance with,
the laws of England and Wales. 

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 27. No Right to Employment. Participation in the Plan by a Participant will not be
construed as giving a Participant the right to be retained as an employee of the Company or a Subsidiary or affiliate of the Company, as applicable. Further, the Company or a Subsidiary or affiliate of the Company may terminate a Participant’s
employment at any time, free from any liability or any claim under the Plan. 
 28. Severability. If any provision of the Plan is or
becomes or is deemed to be invalid, illegal, or unenforceable for any reason in any jurisdiction or as to any Participant, such invalidity, illegality or unenforceability will not affect the remaining parts of the Plan, and the Plan will be
construed and enforced as to such jurisdiction or Participant as if the invalid, illegal or unenforceable provision had not been included. 

29. Compliance with Applicable Laws. The terms of this Plan are intended to comply with all applicable law and will be construed
accordingly. 

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 LumiraDx Limited 2021 Global Employee Stock Purchase Plan 

(Sub-plan of the LumiraDx Limited 2021 Employee Stock Purchase Plan) 

1. Purpose. This LumiraDx Limited 2021 Global Employee Stock Purchase Plan (this
“Sub-Plan”) is a sub-plan of the LumiraDx Limited 2021 Employee Stock Purchase Plan (the “U.S. Plan”) and is intended to provide
Eligible Employees (as defined in this Sub-Plan) of Designated Subsidiaries (as defined in this Sub-Plan) with an opportunity to acquire a proprietary interest in the
Company through the purchase of shares of Stock. 
 The administration and operation of this
Sub-Plan and all provisions of this Sub-Plan shall be governed by the U.S. Plan (as amended from time to time), except as expressly otherwise provided herein. 

2. Definitions. The definitions provided in Section 2 of the U.S. Plan shall govern this
Sub-Plan, except that the following terms shall have the meanings set out below in place of those set out in Section 2 of the U.S. Plan: 

(a) “Designated Subsidiary” means each Subsidiary of the Company incorporated outside of the United States, unless otherwise
provided by the Administrator from time to time in its sole discretion. 
 (b) “Eligible Employee” means any individual who
is a common law employee providing services to the Company or a Designated Subsidiary who is located outside of the United States. Notwithstanding the foregoing or anything elsewhere in this Sub-Plan to the
contrary, the Administrator may from time to time, in its discretion, determine prior to an Enrollment Date for any Offering that any one or more of the following categories of individuals will or will not be Eligible Employees for the purposes of
such Offering or any future Offerings: common law employees of the Company or the Designated Subsidiaries providing services to the Company or the Designated Subsidiary who (i) have not completed a specified period of service since his or her
last hire date, (ii) customarily work not more than a specified number of hours per week, (iii) customarily work not more than five (5) months per calendar year (or such lesser period of time as may be determined by the Administrator
in its discretion), or (iv) are citizens or residents of a particular jurisdiction if participation in the Sub-Plan is prohibited under the laws of such jurisdiction or compliance with the laws of such
jurisdiction would cause the U.S. Plan or Offering to violate the requirements of Section 423 of the Code. For purposes of this Sub-Plan, the employment relationship will be treated as continuing intact
while the individual is on sick leave or other leave of absence that the Employer approves or is legally protected under applicable law. Where the period of leave exceeds three (3) months and the individual’s right to reemployment is not
guaranteed either by statute or by contract, the employment relationship will be deemed to have terminated on the date that is three (3) months and one (1) day following the commencement of such leave. 

3. Eligibility. 
 For the
purpose of applying the US$25,000 limit set forth in Section 3(c) (Limitations) of the U.S. Plan, in relation to Eligible Employees whose are paid in a currency other than U.S. dollars, the US$25,000 limit contained in this Section 3(c)
will be converted into the relevant currency on the last day of each Offering Period, at such exchange rate as may be determined by the Administrator in its discretion, and the Administrator may in its absolute discretion increase the US$25,000
limit to take account of currency fluctuations. 

 [FINAL FORM] 
  

 4. Contributions. Section 6(f) (Contributions) of the U.S. Plan will be replaced
with the following: 
 (f) At the time the option is exercised, in whole or in part, or at the time some or all of the Stock issued under the
Plan is disposed of (or any other time that a taxable event related to the Plan occurs), the Participant must make adequate provision for the Company’s or Employer’s tax liability payable to any authority in any jurisdiction (including any
liability to state, local or other taxes), national insurance, social security or other tax withholding obligations, if any, which arise upon the exercise of the option or the disposition of the Stock (or any other time that a taxable event related
to the Plan occurs). At any time, the Company or the Employer may, but will not be obligated to, withhold from the Participant’s compensation the amount necessary for the Company or the Employer to meet applicable withholding obligations,
including any withholding required to make available to the Company or the Employer any tax deductions or benefits attributable to sale or early disposition of Stock by the Eligible Employee. In addition, the Company or the Employer may, but will
not be obligated to, withhold from the proceeds of the sale of Stock or any other method of withholding the Company or the Employer deems appropriate. 

5. New Section 6(g). The following new Section 6(g) will apply to this
Sub-Plan: 
 (g) Contributions made in a currency other than U.S. dollars will be converted into U.S.
dollars on such date or dates, and on such basis, as may be determined by the Administrator in its discretion, but no later than the Exercise Date of the Offering Period in respect of which such Contributions have been made. 

6. Delivery 
 The
penultimate sentence of Section 9(b) of the U.S. Plan (Delivery) (requiring Participants to give the Company notice of any disposition of any shares of Stock acquired pursuant to the exercise of an option) will not apply to this Sub-Plan. 
 7. Other Provisions 

Except to the extent that any of the following would cause the U.S. Plan to cease to satisfy the requirements of Section 423 of the Code:

 Section 23 of the U.S. Plan (Section 409A) will not apply to this Sub-Plan; 

References in the U.S. Plan to certain actions and decisions being taken by the Administrator on a uniform and
non-discriminatory basis will not apply to this Sub-Plan; and 

References in the U.S. Plan to Section 423 of the Code and U.S. Treasury Regulation Section 1.423, and any restrictions on the
operation of the U.S. Plan by reference to those provisions, will not apply to this Sub-Plan, and the provisions of this Sub-Plan will be construed accordingly.

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