Document:

Exhibit
10.2

  

FORM
OF

LOCK-UP
AGREEMENT

 

[●]

CM
Life Sciences II Inc.

667 Madison Avenue

New
York, NY 10065

 

Ladies
and Gentlemen:

 

This
letter agreement (this “Agreement”) relates to that certain Agreement and Plan of Merger entered into as
of March 28, 2021 (as amended, restated, supplemented or modified from time to time, the “Transaction
Agreement”), by and among CM Life Sciences II Inc., a Delaware corporation (“Parent”),
SomaLogic, Inc., a Delaware corporation (the “Company”) and S-Craft Merger Sub, Inc., a Delaware
corporation and a direct, wholly-owned subsidiary of Parent (“Merger Sub”), pursuant to which, among other
Transactions, Merger Sub is to merge with and into the Company, with the Company continuing on as the surviving entity and a
wholly owned subsidiary of Parent, on the terms and conditions set forth therein. Capitalized terms used and not otherwise
defined herein are defined in the Transaction Agreement and shall have the meanings given to such terms in the Transaction
Agreement.

 

1.
In order to induce all parties to consummate the transactions contemplated by the Transaction Agreement, the undersigned hereby
agrees that, from the Closing Date until the earliest of: (a) the date that is 180 calendar days from the Closing Date, and
(b) the date following the Closing Date on which Parent completes a liquidation, merger, stock exchange or other similar
transaction that results in all of Parent’s stockholders having the right to exchange their shares of Parent capital stock
for cash, securities or other property (the period between the Closing Date and the earliest of clauses (a) and (b), the
“Lock-Up Period”), the undersigned will not: (i) sell, offer to sell, contract or agree to sell, hypothecate,
pledge, grant any option to purchase or otherwise dispose of or agree to dispose of, directly or indirectly, or establish or increase
a put equivalent position or liquidate or decrease a call equivalent position within the meaning of Section 16 of the Securities
Exchange Act of 1934, as amended, and the rules and regulations of the Securities and Exchange Commission promulgated thereunder,
with respect to shares of Parent Class A Stock issued to the undersigned pursuant to the Transaction Agreement (such shares
of Parent Class A Stock, the “Lock-Up Shares”); (ii) enter into any swap or other arrangement that
transfers to another, in whole or in part, any of the economic consequences of ownership of any of the Lock-Up Shares, in cash
or otherwise; or (iii) publicly announce any intention to effect any transaction specified in clause (i) or (ii). Notwithstanding
the foregoing, the undersigned may take any of the actions specified in clauses (i), (ii) and (iii) above at any time after the
first date on which the closing price of Parent Class A Stock has equaled or exceeded $12.00 per share (as adjusted for stock
splits, stock dividends, reorganizations, recapitalizations and the like) for any 20 trading days within any 30-trading day period
commencing at least 150 days after the Closing Date.

 

2.
For the avoidance of doubt, none of the restrictions set forth in this Agreement shall apply to: (a) any shares of Parent Class
A Stock purchased by the undersigned in the open market or in any public or private capital raising transaction of Parent or otherwise,
including, without limitation, any shares of Parent Class A Stock issued pursuant to the Subscription Agreements or otherwise
to any shares of Parent Class A Stock (or other securities of Parent) other than the Lock-Up Shares; or (b) the inclusion of any
Lock-Up Shares (but not the subsequent sale or transfer of such Lock-Up Shares) as part of any resale shelf registration statement
filed pursuant to the A&R Registration Rights Agreement. For the avoidance of any doubt, the parties hereto acknowledge and
agree that the undersigned shall retain all of its rights as a stockholder of Parent during the Lock-Up Period, including, without
limitation, the right to vote, and to receive any dividends and distributions in respect of, the Lock-Up Shares.

 

     

     

    

 

3.
The undersigned hereby authorizes Parent during the Lock-Up Period to cause its transfer agent for the Lock-Up Shares to decline
to transfer, and to note stop transfer restrictions on the stock register and other records relating to, the Lock-Up Shares for
which the undersigned is the record holder and, in the case of Lock-Up Shares for which the undersigned is the beneficial holder
but not the record holder, agrees during the Lock-Up Period to cause the record holder to cause the relevant transfer agent to
decline to transfer, and to note stop transfer restrictions on the stock register and other records relating to, such Lock-Up
Shares, if such transfer would constitute a violation or breach of this Agreement.

 

4.
Notwithstanding the foregoing, the undersigned may sell or otherwise transfer Lock-Up Shares during the undersigned’s lifetime
or on death (or, if the undersigned is not a natural person, during its existence) (a) if the undersigned is not a natural
person, to its managers, partners, members or other direct or indirect equity holders or to any of its other Affiliates or any
subsidiary, employee, officer, director, investment fund controlled or managed by the undersigned or its Affiliates, or commonly
controlled or managed investment fund, (b) to the immediate family members (including spouses, significant others, lineal
descendants, brothers and sisters) of the undersigned, (c) to a family trust, foundation or partnership established for the
exclusive benefit of the undersigned, its equity holders or any of their respective immediate family members, or (d) to a
charitable foundation controlled by the undersigned, its Affiliates, partners, members or other direct or indirect equityholders
or any of their respective immediate family members; provided, however, that in each such case, any such sale or transfer shall
be conditioned upon entry by such transferees into a written agreement, addressed to Parent, agreeing to be bound by these transfer
restrictions and the other terms and conditions of this Agreement; and provided, further, for the avoidance of doubt, that nothing
contained herein shall limit or restrict the admission of new managers, partners, members or other direct or indirect equityholders
in, or the increase or decrease in the ownership interests of any managers, partners, members or other direct or indirect equity
holders of, any entity holding any of the Lock-Up Shares.

 

5.
The undersigned hereby represents and warrants that the undersigned has full power and authority to enter into this Agreement
and that this Agreement constitutes the legal, valid and binding obligation of the undersigned, enforceable in accordance with
its terms. Upon request, the undersigned will execute any additional documents reasonably necessary in connection with the enforcement
of the terms herein. Any obligations of the undersigned shall be binding upon the successors and assigns of the undersigned from
and after the Closing Date.

 

6.
This Agreement constitutes the entire agreement and understanding of the parties hereto in respect of the subject matter
hereof and supersedes all prior understandings, agreements, or representations by or among the parties hereto, written or
oral, to the extent they relate in any way to the subject matter hereof. This Agreement may not be changed, amended, modified
or waived (other than to correct a typographical error) as to any particular provision, except by a written instrument
executed by all parties hereto. Company hereby represents, warrants, covenants and agrees that it has used reasonable best
efforts to ensure that each of the stockholders of the Company holding more than 1% of the Company’s outstanding
capital stock has, or substantially contemporaneously with the execution and delivery hereof shall have, executed and
delivered an agreement substantially identical hereto (the “Company Lock-Up Agreements”).

 

    -2-

     

    

 

7.
No party hereto may assign either this Agreement or any of its rights, interests, or obligations hereunder without the prior written
consent of the other party. Any purported assignment in violation of this paragraph shall be void and ineffectual and shall not
operate to transfer or assign any interest or title to the purported assignee. This Agreement shall be binding on the undersigned
and its successors and assigns.

 

8.
This Agreement is to be governed by, and construed and enforced in accordance with, the internal laws of the State of Delaware,
without regard to its rules of conflict of laws.

 

9.
TO THE EXTENT NOT PROHIBITED BY APPLICABLE LAW WHICH CANNOT BE WAIVED, EACH OF THE PARTIES HEREBY WAIVES, AND AGREES TO CAUSE
EACH OF HIS, HER OR ITS AFFILIATES TO WAIVE, AND COVENANTS THAT NEITHER IT NOR ANY OF HIS, HER OR ITS AFFILIATES WILL ASSERT (WHETHER
AS PLAINTIFF, DEFENDANT OR OTHERWISE) ANY RIGHT TO TRIAL BY JURY IN ANY FORUM IN RESPECT OF ANY ACTION ARISING OUT OF OR BASED
UPON THIS AGREEMENT OR THE SUBJECT MATTER HEREOF, IN EACH CASE WHETHER NOW EXISTING OR HEREAFTER ARISING. EACH PARTY ACKNOWLEDGES
THAT SUCH PARTY HAS BEEN INFORMED BY THE OTHER PARTIES THAT THIS PARAGRAPH 9 CONSTITUTES A MATERIAL INDUCEMENT UPON WHICH THE
PARTIES ARE RELYING AND WILL RELY IN ENTERING INTO THIS AGREEMENT AND ANY OTHER AGREEMENTS RELATING HERETO OR CONTEMPLATED HEREBY.
ANY PARTY MAY FILE AN ORIGINAL COUNTERPART OR A COPY OF THIS PARAGRAPH 9 WITH ANY COURT AS WRITTEN EVIDENCE OF THE CONSENT OF
THE PARTIES TO THE WAIVER OF THE RIGHT TO TRIAL BY JURY.

 

10.
Any term or provision of this Agreement that is found to be invalid or unenforceable in any jurisdiction will, as to that jurisdiction,
be ineffective to the extent of such invalidity or unenforceability without rendering invalid or unenforceable the remaining terms
and provisions of this Agreement or affecting the validity or enforceability of any of the terms or provisions of this Agreement
in any other jurisdiction. If any provision of this Agreement is found to be so broad as to be unenforceable, the provision will
be interpreted to be only so broad as is enforceable.

 

11.
This Agreement may be executed in two or more counterparts, each of which will be deemed an original but all of which will constitute
but one instrument. This Agreement is effective upon delivery of one executed counterpart from each party to the other party.
The signatures of all of the parties need not appear on the same counterpart. The delivery of signed counterparts by email which
includes a copy of the sending party’s signature(s) (including by “.pdf” format) or by electronic transmission
is as effective as signing and delivering the counterpart in person.

 

12.
Any notice, consent or request to be given in connection with any of the terms or provisions of this Agreement shall be in writing
and shall be sent by express mail or similar private courier service, by certified mail (return receipt requested) or email transmission
to the address or email address (as applicable) set forth below such party’s name on the signature page hereto. Each such
notice, consent or request will be effective if given by (a) email, when sent, with no mail undeliverable or other rejection
notice, or (b) any other means specified this paragraph 12, then upon delivery or refusal of delivery at the address specified
in this paragraph 12.

 

13.
This Agreement shall become effective on the Closing Date. This Agreement and the obligations of each party hereunder shall automatically
terminate upon any valid termination of the Transaction Agreement in accordance with the terms therein.

 

[Signature
on the following page]

 

    -3-

     

    

 

	 	Very truly
    yours,
	 	 	 
	 	By: 	 
	 	 	Name:
	 	 	Title:

 

	 	Address: 
    	 
	 	 	 
	 	 	 
	 	 	 
	 	Email:	 

 

[Signature
Page to Lock-Up Agreement]

 

     

     

    

 

Accepted
and Agreed:

 

	 	PARENT
	 	 
	 	CM LIFE
    SCIENCES II INC.
	 	 	 
	 	By:	 
	 	 	Name:
	 	 	Title:

 

	 	Address: 	 
	 	 	 
	 	 	 
	 	 	 
	 	Email:	 

 

[Signature
Page to Lock-Up Agreement]

 

     

     

    

 

Accepted
and Agreed:

 

	 	COMPANY
	 	 
	 	SOMALOGIC,
    INC.
	 	 	 
	 	By:	 
	 	 	Name: 
	 	 	Title: 

 

	 	Address:	 
	 	 	 
	 	 	 
	 	 	 
	 	Email:	 

 

[Signature
Page to Lock-Up Agreement]Exhibit 10.3

 

STOCKHOLDER
SUPPORT AGREEMENT

 

This
Support Agreement (this “Agreement”), dated as of March 28, 2021, is entered into by and among CM Life Sciences
II Inc., a Delaware corporation (“Acquiror”), SomaLogic, Inc., a Delaware corporation (the “Company”),
and certain of the stockholders of the Company, whose names appear on the signature pages of this Agreement (such stockholders,
the “Stockholders”, and Acquiror, the Company and the Stockholders, each a “Party”, and
collectively, the “Parties”). Capitalized terms used but not otherwise defined in this Agreement shall have
the meanings ascribed to them in the Agreement and Plan of Merger (as amended, supplemented, restated or otherwise modified from
time to time, the “Merger Agreement”) among Acquiror, the Company and S-Craft Merger Sub, Inc., a Delaware
corporation and wholly-owned subsidiary of Acquiror (“Merger Sub”).

 

RECITALS

 

WHEREAS,
concurrently herewith, the parties thereto are entering into the Merger Agreement, pursuant to which (and subject to the terms
and conditions set forth therein) Merger Sub will merge with and into the Company, with the Company surviving the merger (the
“Merger”);

 

WHEREAS,
as of the date hereof, each Stockholder is the record and “beneficial owner” (as such term is used herein, within
the meaning of Rule 13d-3 under the Securities Exchange Act of 1934, as amended (together with the rules and regulations promulgated
thereunder, the “Exchange Act”)) of, and is entitled to dispose of and vote, the number of shares of Company
Common Stock and Company Preferred Stock set forth below such Stockholder’s name on such Stockholder’s counterpart
signature page to this Agreement (collectively, with respect to each Stockholder, such Stockholder’s “Owned Shares”;
and such Owned Shares, together with (1) any additional shares of Company Common Stock and Company Preferred Stock (or any securities
convertible into or exercisable or exchangeable for Company Common Stock or Company Preferred Stock) in which such Stockholder
acquires record and beneficial ownership after the date hereof, including by purchase, as a result of a stock dividend, stock
split, recapitalization, combination, reclassification, exchange or change of such shares, or upon exercise or conversion of any
securities and (2) any additional shares of Company Common Stock and Company Preferred Stock with respect to which such Stockholder
has the right to vote through a proxy, the “Covered Shares”); and

 

WHEREAS,
as a condition and inducement to the willingness of Acquiror and Merger Sub to enter into the Merger Agreement, the Company and
the Stockholders are entering into this Agreement.

 

AGREEMENT

 

NOW,
THEREFORE, in consideration of the foregoing and the mutual covenants and agreements herein contained, and intending to be
legally bound hereby, the Company, Acquiror and each Stockholder hereby agree as follows:

 

1.
Agreement to Vote. Subject to the earlier termination of this Agreement in accordance with Section 3 and the last
paragraph of this Section 1, the Stockholder, solely in his, her or its capacity as a stockholder or proxy holder of the
Company, irrevocably and unconditionally agrees, and agrees to cause any other holder of record of any of the Stockholder’s
Covered Shares, to validly execute and deliver to the Company in respect of all of the Stockholder’s Covered Shares, on
(or effective as of) the third Business Day following the date that the consent solicitation statement/prospectus included in
the Registration Statement is disseminated to the Company’s stockholders (following the Registration Statement Effective
Date), a written consent in respect of all of the Stockholder’s Covered Shares approving the Merger, the Merger Agreement,
the other transactions contemplated thereby and any other matters necessary or reasonably requested by the Company in connection
therewith. In addition, subject to the last paragraph of this Section 1, prior to the Termination Date (as defined herein),
the Stockholder, in his, her or its capacity as a stockholder or proxy holder of the Company, irrevocably and unconditionally
agrees that, at any other meeting of the stockholders of the Company (whether annual or special and whether or not an adjourned
or postponed meeting, however called and including any adjournment or postponement thereof) and in connection with any written
consent of stockholders of the Company, such Stockholder shall, and shall cause any other holder of record of any of such Stockholder’s
Covered Shares to:

 

(a)
when such meeting is held, appear at such meeting or otherwise cause the Stockholder’s Covered Shares to be counted as present
thereat for the purpose of establishing a quorum;

 

    1

     

    

 

(b)
vote (or execute and return an action by written consent), or cause to be voted at such meeting (or validly execute and return
and cause such consent to be granted with respect to), all of such Stockholder’s Covered Shares owned as of the record date
for such meeting (or the date that any written consent is executed by such Stockholder) in favor of the Merger, the Merger Agreement,
the other transactions contemplated thereby and any other matters necessary or reasonably requested by the Company in connection
with therewith;

 

(c)
in any other circumstances upon which a consent or other approval is required under the Company’s organizational documents
or the Twelfth Amended and Restated Stockholder Rights Agreement, dated as November 20, 2020, by and among the Company, the Stockholder
and the other parties thereto (the “Stockholders Agreement”) or otherwise sought with respect to the Merger,
the Merger Agreement or the other transactions contemplated by the Merger Agreement, vote, consent or approve (or cause to be
voted, consented or approved) all of such Stockholder’s Covered Shares held at such time in favor thereof; and

 

(d)
vote (or execute and return an action by written consent), or cause to be voted at such meeting (or validly cause such consent
to be granted with respect to), all of such Stockholder’s Covered Shares against (i) any Company Business Combination (other
than as contemplated by the Merger Agreement); (ii) any proposal that would result in a change in the business, management or
the board of directors of the Company (other than as contemplated by the Merger Agreement); and (iii) any proposal, action or
agreement that would be reasonably expected to (A) impede, frustrate, prevent or nullify any provision of this Agreement, the
Merger Agreement or the Merger, (B) result in a breach in any respect of any covenant, representation, warranty or any other obligation
or agreement of the Company under the Merger Agreement, (C) result in any of the conditions set forth in Article VIII of the Merger
Agreement not being fulfilled or (D) change in any manner the dividend policy or capitalization of, including the voting rights
of any class of capital stock of, the Company.

 

The
obligations of each Stockholder specified in this Section 1 shall apply whether or not the Merger or any action described
above is recommended by the board of directors of the Company or the board of directors of the Company has previously recommended
the Merger but changed such recommendation.

 

2.
No Inconsistent Agreements. Each Stockholder hereby covenants and agrees that such Stockholder shall not (i) enter into
any voting agreement or voting trust with respect to any of such Stockholder’s Covered Shares that is inconsistent with
such Stockholder’s obligations pursuant to this Agreement, (ii) grant a proxy or power of attorney with respect to any of
such Stockholder’s Covered Shares that is inconsistent with such Stockholder’s obligations pursuant to this Agreement,
or (iii) enter into any agreement or undertaking that is otherwise inconsistent with, or would interfere with, or prohibit or
prevent it from satisfying, its obligations pursuant to this Agreement.

 

    2

     

    

 

3.
Termination. This Agreement shall terminate upon the earliest of (i) the Effective Time, (ii) the termination of the Merger
Agreement in accordance with its terms, and (iii) the time this Agreement is terminated upon the written agreement of the Company,
Acquiror and the Stockholder (the earliest such date under clause (i), (ii) and (iii) being referred to herein as the “Termination
Date”) and the representations, warranties, covenants and agreements contained in this Agreement and in any certificate
or other writing delivered pursuant hereto shall not survive the Closing or the termination of this Agreement; provided,
that the provisions set forth in Sections 10 through 21 shall survive the termination of this Agreement.

 

4.
Representations and Warranties of the Stockholders. Each Stockholder hereby represents and warrants (severally and not
jointly as to itself only) to the Acquiror as follows:

 

(a)
Such Stockholder is the sole beneficial owner (within the meaning of Rule 13d-3 under the Exchange Act) of, and has good, valid
and marketable title to or has a valid proxy to vote such shares, such Stockholder’s Covered Shares, free and clear of any
Liens (other than as created by this Agreement, liens, encumbrances, and restrictions arising by reason of the federal securities
laws, and applicable state “blue sky” and comparable securities laws or the organizational documents of the Company
(including, for the purposes hereof, any agreements between or among stockholders of the Company)). As of the date hereof, other
than the Owned Shares set forth below such Stockholder’s name on such Stockholder’s counterpart signature page to
this Agreement, such Stockholder does not own beneficially or of record any shares of Company Common Stock or Company Preferred
Stock (or any securities convertible into shares of Company Common Stock or Company Preferred Stock) or any interest therein.

 

(b)
Such Stockholder in each case except as provided in this Agreement, the Stockholders Agreement or the Company’s organizational
documents (i) has full voting power, full power of disposition and full power to issue instructions with respect to the matters
set forth herein whether by ownership or by proxy, in each case, with respect to such Stockholder’s Covered Shares, (ii)
has not entered into any voting agreement or voting trust, and has no knowledge and is not aware of any such voting agreement
or voting trust in effect with respect to any of such Stockholder’s Covered Shares that is inconsistent with such Stockholder’s
obligations pursuant to this Agreement, (iii) has not granted a proxy or power of attorney with respect to any of such Stockholder’s
Covered Shares that is inconsistent with such Stockholder’s obligations pursuant to this Agreement, and has no knowledge
and is not aware of any such proxy or power of attorney in effect, and (iv) has not entered into any agreement or undertaking
that is otherwise inconsistent with, or would interfere with, or prohibit or prevent it from satisfying, its obligations pursuant
to this Agreement, and has no knowledge and is not aware of any such agreement or undertaking.

 

(c)
Such Stockholder affirms that (i) if the Stockholder is a natural person, he or she has all the requisite power and authority
and has taken all action necessary in order to execute and deliver this Agreement, to perform his or her obligations hereunder
and to consummate the transaction contemplated hereby, and (ii) if the Stockholder is not a natural person, (A) is a legal entity
duly organized, validly existing and, to the extent such concept is applicable, in good standing under the laws of the jurisdiction
of its organization, and (B) has all requisite corporate or other power and authority and has taken all corporate or other action
necessary in order to, execute, deliver and perform its obligations under this Agreement and to consummate the transactions contemplated
hereby. This Agreement has been duly executed and delivered by such Stockholder and, subject to the due execution and delivery
of this Agreement by each other Party hereto, constitutes a legally valid and binding agreement of such Stockholder enforceable
against the Stockholder in accordance with the terms hereof (except as enforceability may be limited by bankruptcy laws or other
similar laws affecting creditors’ rights and general principles of equity affecting the availability of specific performance
and other equitable remedies).

 

    3

     

    

 

(d)
Other than the filings, notices and reports pursuant to, in compliance with or required to be made under the Exchange Act, no
filings, notices, reports, consents, registrations, approvals, permits, waivers, expirations of waiting periods or authorizations
are required to be obtained by such Stockholder from, or to be given by such Stockholder to, or be made by such Stockholder with,
any Governmental Entity in connection with the execution, delivery and performance by such Stockholder of this Agreement, the
consummation of the transactions contemplated hereby or the Merger or the other transactions contemplated by the Merger Agreement.

 

(e)
The execution, delivery and performance of this Agreement by such Stockholder does not, and the consummation of the transactions
contemplated hereby and the Merger and the other transactions contemplated by the Merger Agreement will not, constitute or result
in (i) a breach or violation of, or a default under, the organizational documents of such Stockholder (if such Stockholder is
not a natural person), (ii) with or without notice, lapse of time or both, a breach or violation of, a termination (or right of
termination) of or a default under, the loss of any benefit under, the creation, modification or acceleration of any obligations
under or the creation of a Lien on any of the properties, rights or assets of such Stockholder pursuant to any Contract binding
upon such Stockholder or, assuming (solely with respect to performance of this Agreement and the transactions contemplated hereby),
compliance with the matters referred to in Section 4(d), under any applicable law to which such Stockholder is subject
or (iii) any change in the rights or obligations of any party under any material Contract legally binding upon such Stockholder,
except, in the case of clauses (ii) or (iii) directly above, for any such breach, violation, termination, default,
creation, acceleration or change that would not, individually or in the aggregate, reasonably be expected to prevent or materially
delay or impair such Stockholder’s ability to perform its obligations hereunder or to consummate the transactions contemplated
hereby, the consummation of the Merger or the other transactions contemplated by the Merger Agreement.

 

(f)
As of the date of this Agreement, there is no action, proceeding or investigation pending against such Stockholder or, to the
knowledge of such Stockholder, threatened against such Stockholder that, in any manner, questions the beneficial or record ownership
of the Stockholder’s Covered Shares or the validity of this Agreement, or challenges or seeks to prevent, enjoin or materially
delay the performance by such Stockholder of its obligations under this Agreement.

 

(g)
The Stockholder is a sophisticated stockholder and has adequate information concerning the business and financial condition of
Acquiror and the Company to make an informed decision regarding this Agreement and the other transactions contemplated by the
Merger Agreement and has independently and based on such information as the Stockholder has deemed appropriate, made his/her/its
own analysis and decision to enter into this Agreement. The Stockholder acknowledges that Acquiror and the Company have not made
and do not make any representation or warranty, whether express or implied, of any kind or character except as expressly set forth
in this Agreement. The Stockholder acknowledges that the agreements contained herein with respect to the Covered Shares held by
the Stockholder are irrevocable.

 

(h)
Such Stockholder understands and acknowledges that Acquiror is entering into the Merger Agreement in reliance upon such Stockholder’s
execution and delivery of this Agreement and the representations, warranties, covenants and other agreements of such Stockholder
contained herein.

 

(i)
No investment banker, broker, finder or other intermediary is entitled to any broker’s, finder’s, financial advisor’s
or other similar fee or commission for which Acquiror or the Company is or could be liable in connection with the Merger Agreement
or this Agreement or any of the respective transactions contemplated hereby or thereby, in each case based upon arrangements made
by such Stockholder in his, her or its capacity as a stockholder or, to the knowledge of such Stockholder, on behalf of such Stockholder
in his, her or its capacity as a stockholder.

 

    4

     

    

 

5.
Certain Covenants of the Stockholders. Except in accordance with the terms of this Agreement, each Stockholder hereby covenants
and agrees as follows:

 

(a)
No Solicitation. Subject to Section 6 hereof, prior to the Termination Date, the Stockholder shall not, and, to
the extent applicable, shall cause its Affiliates and subsidiaries not to, and shall use its reasonable best efforts to cause
its and their respective Representatives not to, directly or indirectly, (i) initiate, solicit or knowingly encourage or knowingly
facilitate any inquiries or requests for information with respect to, or the making of, any inquiry regarding, or any proposal
or offer that constitutes, or could reasonably be expected to result in or lead to, any Company Business Combination, (ii) engage
in, continue or otherwise participate in any negotiations or discussions concerning, or provide access to his/her/its properties,
books and records or any confidential information or data to, any Person relating to any proposal, offer, inquiry or request for
information that constitutes, or could reasonably be expected to result in or lead to, any Company Business Combination, (iii)
approve, endorse or recommend, or propose publicly to approve, endorse or recommend, any Company Business Combination, (iv) execute
or enter into, any letter of intent, memorandum of understanding, agreement in principle, confidentiality agreement, merger agreement,
acquisition agreement, exchange agreement, joint venture agreement, partnership agreement, option agreement or other similar agreement
for or relating to any Company Business Combination or (v) resolve or agree to do any of the foregoing. Such Stockholder also
agrees that immediately following the execution of this Agreement such Stockholder shall, and, to the extent applicable, shall
cause each of its Affiliates and subsidiaries to, and shall use such Stockholder’s reasonable best efforts to cause its
and their Representatives to, cease any solicitations, discussions or negotiations with any Person (other than the Parties and
their respective Representatives) conducted heretofore in connection with a Company Business Combination or any inquiry or request
for information that could reasonably be expected to lead to, or result in, a Company Business Combination. Such Stockholder shall
promptly (and in any event within one Business Day) notify, in writing, Acquiror of the receipt of any inquiry, proposal, offer
or request for information received after the date hereof that constitutes, or could reasonably be expected to result in or lead
to, any Company Business Combination, which notice shall include a summary of the material terms of such inquiry, proposal or
offer (and shall include any other documents evidencing or specifying the terms of such proposal, offer, inquiry or request).

 

Such
Stockholder shall promptly (and in any event within 24 hours) keep Acquiror reasonably informed of any material developments with
respect to any such inquiry, proposal, offer, request for information or Company Business Combination (including any material
changes thereto and copies of any additional written materials received by such Stockholder, the Company, its subsidiaries or
their respective Affiliates or Representatives).

 

Notwithstanding
anything in this Agreement to the contrary, (i) such Stockholder shall not be responsible for the actions of the Company or the
board of directors of the Company (or any committee thereof), any subsidiary of the Company, or any officers, directors (in their
capacity as such), employees and professional advisors of any of the foregoing (collectively, the “Company Related Parties”),
(ii) such Stockholder makes no representations or warranties with respect to the actions of any of the Company Related Parties,
and (iii) any breach by the Company of its obligations under Section 7.11 of the Merger Agreement shall not be considered a breach
of this Section 5(a) (it being understood that, for the avoidance of doubt, such Stockholder or his, her or its Representatives
(other than any such Representative that is a Company Related Party) shall remain responsible for any breach by such Stockholder
or his, her or its Representatives of this Section 5(a)).

 

(b)
Each Stockholder hereby agrees not to, directly or indirectly, (i) sell, transfer, pledge, encumber, assign, hedge, swap, convert
or otherwise dispose of (including by merger (including by conversion into securities or other consideration), by tendering into
any tender or exchange offer, by testamentary disposition, by operation of Law or otherwise), either voluntarily or involuntarily
(collectively, “Transfer”), or enter into any Contract or option with respect to the Transfer of, any of such
Stockholder’s Covered Shares, or (ii) take any action that would make any representation or warranty of such Stockholder
contained herein untrue or incorrect or have the effect of preventing or disabling such Stockholder from performing its obligations
under this Agreement; provided, however, that nothing herein shall prohibit a Transfer to (i) an Affiliate of the
Stockholder, (ii) if the undersigned is not a natural person, to its managers, partners, members or other direct or indirect equity
holders or to any of its other Affiliates or any subsidiary, employee, officer, director, investment fund controlled or managed
by the undersigned or its Affiliates, or commonly controlled or managed investment fund, (iii) to the immediate family members
(including spouses, significant others, lineal descendants, brothers and sisters) of the undersigned, (iv) to a family trust,
foundation or partnership established for the exclusive benefit of the undersigned, its equity holders or any of their respective
immediate family members, or (v) to a charitable foundation controlled by the undersigned, its Affiliates, partners, members or
other direct or indirect equityholders or any of their respective immediate family members (each, a “Permitted Transfer”);
provided, further, that any Permitted Transfer shall be permitted only if, as a precondition to such Transfer, the
transferee agrees in a writing, reasonably satisfactory in form and substance to Acquiror, to assume all of the obligations of
the Stockholder under, and be bound by all of the terms of, this Agreement; provided, further, that any Transfer
permitted under this Section 5(b) shall not relieve the Stockholder of its obligations under this Agreement. Any Transfer
in violation of this Section 5(b) with respect to the Stockholder’s Covered Shares shall be null and void.

 

(c)
Each Stockholder hereby authorizes the Company to maintain a copy of this Agreement at either the executive office or the registered
office of the Company.

 

    5

     

    

 

6.
Further Assurances. From time to time, at Acquiror’s request and without further consideration, each Stockholder
shall execute and deliver such additional documents and take all such further action as may be reasonably necessary or reasonably
requested to effect the actions and consummate the transactions contemplated by the Merger Agreement and this Agreement. Each
Stockholder further agrees not to commence or participate in, and to take all actions necessary to opt out of any class in any
class action with respect to, any action or claim, derivative or otherwise, against Acquiror, Acquiror’s Affiliates, the
Sponsor, the Company or any of their respective successors and assigns relating to the negotiation, execution or delivery of this
Agreement, the Merger Agreement or the consummation of the transactions contemplated hereby and thereby, including but not limited
to any claims of conflict of interest and self-dealing.

 

7.
Disclosure. Such Stockholder hereby authorizes the Company and Acquiror to publish and disclose in any announcement or
disclosure required by the SEC such Stockholder’s identity and ownership of the Covered Shares and the nature of such Stockholder’s
obligations under this Agreement.

 

8.
Changes in Capital Stock. In the event (i) of a stock split, stock dividend or distribution, or any change in Company Common
Stock or Company Preferred Stock by reason of any split-up, reverse stock split, recapitalization, combination, reclassification,
exchange of shares or the like, (ii) the Stockholder purchases or otherwise acquires beneficial ownership of any Company Common
Stock or Company Preferred Stock or (iii) the Stockholder acquires the right to vote or share in the voting of any Company Common
Stock or Company Preferred Stock, the terms “Owned Shares” and “Covered Shares” shall be deemed to refer
to and include such shares as well as all such stock dividends and distributions and any securities into which or for which any
or all of such shares may be changed or exchanged or which are received in such transaction.

 

9.
Amendment and Modification. This Agreement may not be amended, modified or supplemented in any manner, whether by course
of conduct or otherwise, except by an instrument in writing signed by the Company, Acquiror and the applicable Stockholder.

 

10.
Waiver. No failure or delay by any Party exercising any right, power or privilege hereunder shall operate as a waiver thereof
nor shall any single or partial exercise thereof preclude any other or further exercise thereof or the exercise of any other right,
power or privilege. The rights and remedies of the Parties hereunder are cumulative and are not exclusive of any rights or remedies
which they would otherwise have hereunder. Any agreement on the part of a Party to any such waiver shall be valid only if set
forth in a written instrument executed and delivered by such party.

 

    6

     

    

 

11.
Notices. All notices and other communications hereunder shall be in writing and shall be deemed given if delivered personally,
by email (with confirmation of receipt) or sent by a nationally recognized overnight courier service, such as FedEx, to the Parties
at the following addresses (or at such other address for a party as shall be specified by like notice made pursuant to this Section
11):

 

		(a)	if
to the Stockholder, to the address or email address set forth below such Stockholder’s name on such Stockholder’s
counterpart signature page to this Agreement, or in the absence of such address or email address being set forth below such
Stockholder’s name on such Stockholder’s counterpart signature page to this Agreement, the address or email address
set forth in the Company’s books and records, or to such other address or email address or to the attention of such other
person as such Stockholder has specified by prior written notice to the sending Party,

 

with
a copy (which shall not constitute notice) to:

 

Reed
Smith LLP

599
Lexington Ave

22nd
Floor

New
York, NY 10022

		Attn:	Herbert
F. Kozlov

		Email:	hkozlov@reedsmith.com

 

		(b)	if
to Acquiror, to it at:

 

CM
Life Sciences II Inc.

 

667
Madison Avenue

New
York, NY 10065

		Attn:	Keith
Meister

		Email:	kmeister@corvexcap.com

 

with
a copy (which shall not constitute notice) to:

 

White
& Case LLP

1221
Avenue of the Americas

New
York, NY 10020

		Attn:	Joel
Rubinstein

Matthew
Kautz

		Email:	joel.rubinstein@whitecase.com

mkautz@whitecase.com

 

    7

     

    

 

12.
No Ownership Interest. Nothing contained in this Agreement shall be deemed to vest in Acquiror any direct or indirect ownership
or incidence of ownership of or with respect to the Covered Shares of the Stockholder. All rights, ownership and economic benefits
of and relating to the Covered Shares of the Stockholder shall remain vested in and belong to the Stockholder, and Acquiror shall
have no authority to direct the Stockholder in the voting or disposition of any of the Stockholder’s Covered Shares, except
as otherwise provided herein.

 

13.
Entire Agreement. This Agreement and the Merger Agreement constitute the entire agreement and supersede all prior agreements
and understandings, both written and oral, between the Parties with respect to the subject matter hereof and thereof.

 

14.
No Third-Party Beneficiaries. The Stockholder hereby agrees that his/her/its representations, warranties and covenants
set forth herein are solely for the benefit of Acquiror in accordance with and subject to the terms of this Agreement, and this
Agreement is not intended to, and does not, confer upon any Person other than the Parties any rights or remedies hereunder, including
the right to rely upon the representations and warranties set forth herein, and the Parties hereby further agree that this Agreement
may only be enforced against, and any action that may be based upon, arise out of or relate to this Agreement, or the negotiation,
execution or performance of this Agreement may only be made against, the Persons expressly named as parties hereto; provided
that the Company shall be an express third-party beneficiary with respect to Section 4 and Section 5(b).

 

15.
Governing Law and Venue; Service of Process; Waiver of Jury Trial.

 

(a)
This Agreement, and all claims or causes of action based upon, arising out of, or related to this Agreement or the transactions
contemplated hereby, shall be governed by, and construed in accordance with, the laws of the State of Delaware, without giving
effect to principles or rules of conflicts of laws to the extent such principles or rules are not mandatorily applicable and would
require or permit the application of the laws of another jurisdiction other than the State of Delaware.

 

(b)
In addition, each of the Parties (i) consents to submit itself, and hereby submits itself, to the personal jurisdiction of the
Court of Chancery of the State of Delaware or, if such court does not have subject matter jurisdiction, any state or federal court
located in the State of Delaware having subject matter jurisdiction, in the event any dispute arises out of this Agreement or
any of the transactions contemplated by this Agreement, (ii) agrees that it will not attempt to deny or defeat such personal jurisdiction
by motion or other request for leave from any such court, and agrees not to plead or claim any objection to the laying of venue
in any such court or that any judicial proceeding in any such court has been brought in an inconvenient forum, (iii) agrees that
it will not bring any action relating to this Agreement or any of the transactions contemplated by this Agreement in any court
other than the Court of Chancery of the State of Delaware or, if such court does not have subject matter jurisdiction, any state
or federal court located in the State of Delaware having subject matter jurisdiction, and (iv) consents to service of process
being made through the notice procedures set forth in Section 11.

 

(c)
EACH OF THE PARTIES HEREBY KNOWINGLY, INTENTIONALLY, VOLUNTARILY AND IRREVOCABLY WAIVES ANY AND ALL RIGHT TO TRIAL BY JURY IN
ANY ACTION BASED UPON, ARISING OUT OF OR RELATED TO THIS AGREEMENT OR THE TRANSACTIONS CONTEMPLATED HEREBY.

 

    8

     

    

 

16.
Assignment; Successors. Neither this Agreement nor any of the rights, interests or obligations hereunder shall (a) be assigned
by any of the Stockholders in whole or in part (whether by operation of law or otherwise) without the prior written consent of
Acquiror and the Company or (b) be assigned by Acquiror or the Company in whole or in part (whether by operation of law or otherwise)
without the prior written consent of (i) the Company or Acquiror, respectively, and (ii) the applicable Stockholder. Any such
assignment without such consent shall be null and void. This Agreement shall be binding upon, inure to the benefit of and be enforceable
by the Parties and their respective successors and permitted assigns.

 

17.
Enforcement. The rights and remedies of the Parties shall be cumulative with and not exclusive of any other remedy conferred
hereby. The Parties agree that irreparable damage would occur and that the Parties would not have any adequate remedy at law in
the event that any of the provisions of this Agreement were not performed in accordance with their specific terms or were otherwise
breached. It is accordingly agreed that the Parties shall be entitled to an injunction or injunctions to prevent breaches or threatened
breaches of this Agreement and to enforce specifically the terms and provisions of this Agreement, including each Stockholder’s
obligations to vote its Covered Shares as provided in this Agreement, in the Court of Chancery of the State of Delaware or, if
under applicable law exclusive jurisdiction over such matter is vested in the federal courts, any state or federal court located
in the State of Delaware, without proof of actual damages or otherwise (and each Party hereby waives any requirement for the securing
or posting of any bond in connection with such remedy), this being in addition to any other remedy to which they are entitled
at law or in equity.

 

18.
Severability. If any term or other provision of this Agreement is held by a court of competent jurisdiction or other authority
to be invalid, void, unenforceable or against its regulatory policy, the remainder of the terms and provisions of this Agreement
shall remain in full force and effect and shall in no way be affected, impaired or invalidated, so long as the economic and legal
substance of the transactions contemplated hereby, taken as a whole, are not affected in a manner materially adverse to any Party.
Upon such a determination, the Parties shall negotiate in good faith to modify this Agreement so as to effect the original intent
of the Parties as closely as possible in an acceptable manner in order that the transactions contemplated hereby be consummated
as originally contemplated to the fullest extent possible.

 

19.
Counterparts. This Agreement may be executed in one or more counterparts, all of which shall be considered one and the
same agreement, it being understood that each Party need not sign the same counterpart. This Agreement shall become effective
when each Party shall have received a counterpart hereof signed by all of the other Parties. Signatures delivered electronically
or by facsimile shall be deemed to be original signatures.

 

20.
Interpretation and Construction. The words “hereof,” “herein” and “hereunder” and words
of like import used in this Agreement shall refer to this Agreement as a whole and not to any particular provision of this Agreement.
The descriptive headings used herein are inserted for convenience of reference only and are not intended to be part of or to affect
the meaning or interpretation of this Agreement. References to Sections are to Sections of this Agreement unless otherwise specified.
Any singular term in this Agreement shall be deemed to include the plural, and any plural term the singular. The definitions contained
in this Agreement are applicable to the masculine as well as to the feminine and neuter genders of such term. Whenever the words
“include,” “includes” or “including” are used in this Agreement, they shall be deemed to be
followed by the words “without limitation,” whether or not they are in fact followed by those words or words of like
import. “Writing,” “written” and comparable terms refer to printing, typing and other means of reproducing
words (including electronic media) in a visible form. References to any statute shall be deemed to refer to such statute and to
any rules or regulations promulgated thereunder. References to any person include the successors and permitted assigns of that
person. References from or through any date mean, unless otherwise specified, from and including such date or through and including
such date, respectively. In the event an ambiguity or question of intent or interpretation arises, this Agreement will be construed
as if drafted jointly by the Parties, and no presumption or burden of proof will arise favoring or disfavoring any Party by virtue
of the authorship of any of the provisions of this Agreement.

 

21.
Capacity as a Stockholder or Proxy Holder. Notwithstanding anything herein to the contrary, the Stockholder or proxy holder
signs this Agreement solely in the Stockholder’s or proxy holder’s capacity as a stockholder or proxy holder of the
Company, and not in any other capacity and this Agreement shall not limit or otherwise affect the actions of the Stockholder,
proxy holder or any Affiliate, employee or designee of the Stockholder or proxy holder, or any of their respective Affiliates
in his or her capacity, if applicable, as an officer or director of the Company (or any Subsidiary of the Company) or any other
Person, including in the exercise of his or her fiduciary duties as a director or officer of the Company or any Subsidiary of
the Company. No Stockholder shall be liable or responsible for any breach, default, or violation of any representation, warranty,
covenant or agreement by any other Stockholder that is also a Party hereto and each Stockholder shall solely be required to perform
its obligations hereunder in its individual capacity.

 

22.
Affiliate Agreements. The Stockholder hereby agrees and consents to the termination of the Certificate of Designation filed
with the state of Delaware on November 20, 2020 and the Stockholders Agreement, effective as of the Effective Time without any
further liability or obligation to the Company, the Company’s Subsidiaries or Acquiror.

 

[The
remainder of this page is intentionally left blank.]

 

    9

     

    

 

IN
WITNESS WHEREOF, the Parties have caused this Agreement to be executed (where applicable, by their respective officers or other
authorized Persons thereunto duly authorized) as of the date first written above.

 

	 	CM
    LIFE SCIENCES II INC.
	 	 	 
	 	By:	/s/
                                         Brian Emes

	 	Name:	Brian
    Emes
	 	Title:	Chief
    Financial Officer & Secretary

 

[Signature
Page to Stockholder Support Agreement]

 

     

     

    

 

IN
WITNESS WHEREOF, the Parties have caused this Agreement to be executed (where applicable, by their respective officers or other
authorized Persons thereunto duly authorized) as of the date first written above.

 

	 	SOMALOGIC,
    INC.
	 	 	 
	 	By:	/s/
                                         Roy Smythe

	 	Name:	Roy
    Smythe
	 	Title: 	Chief
    Executive Officer 

 

[Signature
Page to Stockholder Support Agreement]

 

     

     

    

 

IN
WITNESS WHEREOF, the Parties have caused this Agreement to be executed (where applicable, by their respective officers or other
authorized Persons thereunto duly authorized) as of the date first written above.

 

	 	[STOCKHOLDER]

	 	 	 
	 	By:	                     
	 	Name:
	 	Title:

 

	Stockholder
    Address	Number
    of Common Shares Held	Number
    of Preferred Shares Held
	 

        __________________________

        __________________________

        __________________________

         
	 	 

 

[Signature
Page to Stockholder Support Agreement]

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