Document:

Exhibit 10.5

 

EXECUTION VERSION

 

September 1, 2020

 

CM Life Sciences, Inc.

c/o Corvex Management LP

667 Madison Avenue

New York, New York 10065

 

		Re:	Initial Public Offering

 

Ladies and Gentlemen:

 

This letter (this “Letter
Agreement”) is being delivered to you in accordance with the Underwriting Agreement (the “Underwriting
Agreement”) entered into by and between CM Life Sciences, Inc., a Delaware corporation (the “Company”),
and Jefferies LLC, as representative of the several underwriters (the “Underwriter”), relating
to an underwritten initial public offering (the “Public Offering”), of up to 44,275,000 of the
Company’s units (including up to 5,775,000 units that may be purchased to cover over-allotments, if any) (the “Units”),
each comprised of one share of the Company’s Class A common stock, par value $0.0001 per share (the “Class A
Common Stock”), and one-third of one redeemable warrant. Each whole warrant (each, a “Public Warrant”)
entitles the holder thereof to purchase one share of Class A Common Stock at a price of $11.50 per share, subject to adjustment
as described in the Prospectus (as defined below). The Units will be sold in the Public Offering pursuant to a registration statement
on Form S-1 and prospectus (the “Prospectus”) filed by the Company with the U.S. Securities and Exchange
Commission (the “Commission”) and the Company has applied to have the Units listed on the New York Stock
Exchange. Certain capitalized terms used herein are defined in paragraph 11 hereof.

 

In order to induce
the Company and the Underwriter to enter into the Underwriting Agreement and to proceed with the Public Offering and for other
good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, each of CMLS Holdings LLC, a Delaware
limited liability company (the “Sponsor”), and the undersigned individuals, each of whom is a member
of the Company’s board of directors and/or management team (each of the undersigned individuals, an “Insider”
and collectively, the “Insiders”), hereby agrees with the Company as follows:

 

1. The
Sponsor and each Insider agrees that if the Company seeks stockholder approval of a proposed Business Combination, then in connection
with such proposed Business Combination, it, he or she shall (i) vote any shares of Common Stock (as defined below) owned by it,
him or her in favor of any proposed Business Combination and (ii) not redeem any shares of Common Stock owned by it, him or her
in connection with such stockholder approval. If the Company seeks to consummate a proposed Business Combination by engaging in
a tender offer, the Sponsor and each Insider agrees that it, he or she will not sell or tender any shares of Common Stock owned
by it, him or her in connection therewith.

 

2. The
Sponsor and each Insider hereby agrees that in the event that the Company fails to consummate a Business Combination within 24
months from the closing of the Public Offering, or such later period approved by the Company’s stockholders in accordance
with the Company’s amended and restated certificate of incorporation (as it may be amended from time to time, the “Charter”),
the Sponsor and each Insider shall take all reasonable steps to cause the Company to (i) cease all operations except for the purpose
of winding up, (ii) as promptly as reasonably possible but not more than ten business days thereafter, redeem 100% of the shares
of Class A Common Stock sold as part of the Units in the Public Offering (the “Offering Shares”),
at a per-share price, payable in cash, equal to the aggregate amount then on deposit in the Trust Account (as defined below), including
interest earned on the funds held in the Trust Account and not previously released to the Company to pay its taxes (less up to
$100,000 of interest to pay dissolution expenses), divided by the number of then outstanding Offering Shares, which redemption
will completely extinguish all Public Stockholders’ (as defined below) rights as stockholders (including the right to receive
further liquidating distributions, if any), and (iii) as promptly as reasonably possible following such redemption, subject to
the approval of the Company’s remaining stockholders and the Company’s board of directors, liquidate and dissolve,
subject in each case to the Company’s obligations under Delaware law to provide for claims of creditors and other requirements
of applicable law. The Sponsor and each Insider agrees to not propose any amendment to the Charter to modify the substance or timing
of the Company’s obligation to redeem 100% of the Offering Shares if the Company does not complete a Business Combination
within the required time period set forth in the Charter or with respect to any other material provisions relating to stockholders’
rights or pre-initial business combination activity, unless the Company provides its Public Stockholders with the opportunity to
redeem their Offering Shares upon approval of any such amendment at a per-share price, payable in cash, equal to the aggregate
amount then on deposit in the Trust Account, including interest earned on the funds held in the Trust Account and not previously
released to the Company to pay its taxes, divided by the number of then outstanding Offering Shares.

 

     

     

    

 

The Sponsor and each
Insider acknowledges that it, he or she has no right, title, interest or claim of any kind in or to any monies held in the Trust
Account or any other asset of the Company as a result of any liquidation of the Company with respect to the Founder Shares held
by it, him or her. The Sponsor and each Insider hereby further waives, with respect to any shares of Common Stock held by it, him
or her, if any, any redemption rights it, he or she may have in connection with (A) the consummation of a Business Combination,
including, without limitation, any such rights available in the context of a stockholder vote to approve such Business Combination,
or (B) a stockholder vote to approve an amendment to the Charter to modify the substance or timing of the Company’s obligation
to redeem 100% of the Offering Shares if the Company has not consummated a Business Combination within the time period set forth
in the Charter or with respect to any other material provisions relating to stockholders’ rights or pre-initial business
combination activity or in the context of a tender offer made by the Company to purchase Offering Shares (although the Sponsor,
the Insiders and their respective affiliates shall be entitled to redemption and liquidation rights with respect to any Offering
Shares it or they hold if the Company fails to consummate a Business Combination within the time period set forth in the Charter).

 

3. Notwithstanding
the provisions set forth in paragraphs in 7(a) and 7(b), during the period commencing on the effective date of the Underwriting
Agreement and ending 180 days after such date, the Sponsor and each Insider shall not, without the prior written consent of the
Underwriter, (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 (the “Exchange
Act”), and the rules and regulations of the Commission promulgated thereunder, with respect to, any Units,
shares of Class A Common Stock (including, but not limited to, Founder Shares), Warrants (as defined below) or any securities convertible
into, or exercisable, or exchangeable for, shares of Class A Common Stock owned by it, him or her, (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 Units, shares
of Common Stock (including, but not limited to, Founder Shares), Warrants or any securities convertible into, or exercisable, or
exchangeable for, shares of Common Stock owned by it, him or her, whether any such transaction is to be settled by delivery of
such securities, in cash or otherwise, or (iii) publicly announce any intention to effect any transaction specified in clause (i)
or (ii); provided, however, all of the foregoing does not apply to the forfeiture of any Founder Shares pursuant to their terms
or any transfer of Founder Shares to any current or future independent director of the company (as long as such current or future
independent director transferee is subject to this Letter Agreement or executes an agreement substantially identical to the terms
of this Letter Agreement, as applicable to directors and officers at the time of such transfer; and as long as, to the extent any
Section 16 reporting obligation is triggered as a result of such transfer, any related Section 16 filing includes a practical explanation
as to the nature of the transfer). Each of the Insiders and the Sponsor acknowledges and agrees that, prior to the effective date
of any release or waiver, of the restrictions set forth in this paragraph 3 or paragraph 7 below, the Company may announce the
impending release or waiver by press release through a major news service at least two business days before the effective date
of the release or waiver. The provisions of this paragraph will not apply if the release or waiver is effected solely to permit
a transfer not for consideration and the transferee has agreed in writing to be bound by the same terms described in this Letter
Agreement to the extent and for the duration that such terms remain in effect at the time of the transfer.

 

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4. In
the event of the liquidation of the Trust Account upon the failure of the Company to consummate its initial Business Combination
within the time period set forth in the Charter, the Sponsor (the “Indemnitor”) agrees to indemnify and
hold harmless the Company against any and all loss, liability, claim, damage and expense whatsoever (including, but not limited
to, any and all legal or other expenses reasonably incurred in investigating, preparing or defending against any litigation, whether
pending or threatened) to which the Company may become subject as a result of any claim by (i) any third party for services rendered
(other than the independent registered public accounting firm) or products sold to the Company or (ii) any prospective target business
with which the Company has entered into a written letter of intent, confidentiality or other similar agreement or Business Combination
agreement (a “Target”); provided, however, that such indemnification of the Company by the Indemnitor
(x) shall apply only to the extent necessary to ensure that such claims by a third party for services rendered (other than the
independent registered public accounting firm) or products sold to the Company or a Target do not reduce the amount of funds in
the Trust Account to below the lesser of (i) $10.00 per Offering Share and (ii) the actual amount per Offering Share held in the
Trust Account as of the date of the liquidation of the Trust Account, if less than $10.00 per Offering Share is then held in the
Trust Account due to reductions in the value of the trust assets, less taxes payable, (y) shall not apply to any claims by a third
party or a Target which executed a waiver of any and all rights to the monies held in the Trust Account (whether or not such waiver
is enforceable) and (z) shall not apply to any claims under the Company’s indemnity of the Underwriter against certain liabilities,
including liabilities under the Securities Act of 1933, as amended. The Indemnitor shall have the right to defend against any such
claim with counsel of its choice reasonably satisfactory to the Company if, within 15 days following written receipt of notice
of the claim to the Indemnitor, the Indemnitor notifies the Company in writing that it shall undertake such defense.

 

5. To
the extent that the Underwriter does not exercise its over-allotment option to purchase up to an additional 5,775,000 Units within
45 days from the date of the Prospectus (and as further described in the Prospectus), the Sponsor agrees to forfeit, at no cost,
a number of Founder Shares in the aggregate equal to 1,443,750 multiplied by a fraction, (i) the numerator of which is 5,775,000
minus the number of Units purchased by the Underwriter upon the exercise of their over-allotment option, and (ii) the denominator
of which is 5,775,000. The forfeiture will be adjusted to the extent that the over-allotment option is not exercised in full by
the Underwriter so that the Founder Shares will represent an aggregate of 20.0% of the Company’s issued and outstanding shares
of Class A Common Stock after the Public Offering (not including shares of Class A Common Stock underlying the Public Warrants
or Private Placement Warrants (as defined below)). The Sponsor further agrees that to the extent that the size of the Public Offering
is increased or decreased, the Company will purchase or sell Units or effect a stock dividend or share contribution back to capital,
as applicable, immediately prior to the consummation of the Public Offering in such amount as to maintain the number of Founder
Shares at 20.0% of its issued and outstanding Common Stock upon the consummation of the Public Offering. In connection with such
increase or decrease in the size of the Public Offering, (A) the references to 5,775,000 in the numerator and denominator of the
formula in the first sentence of this paragraph shall be changed to a number equal to 15% of the number of Offering Shares included
in the Units issued in the Public Offering and (B) the reference to 1,443,750 in the formula set forth in the first sentence of
this paragraph shall be adjusted to such number of Founder Shares that the Sponsor would have to surrender to the Company in order
for the number of Founder Shares to equal an aggregate of 20.0% of the Company’s issued and outstanding shares of Class A
Common Stock after the Public Offering (not including shares of Class A Common Stock underlying the Public Warrants or Private
Placement Warrants).

 

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6. The
Sponsor and each Insider hereby agrees and acknowledges that: (i) the Underwriter and the Company would be irreparably injured
in the event of a breach by such Sponsor or an Insider of its, his or her obligations under paragraphs 1, 2, 3, 4, 5, 7(a), 7(b)
and 9, as applicable, of this Letter Agreement (ii) monetary damages may not be an adequate remedy for such breach and (iii) the
non-breaching party shall be entitled to injunctive relief, in addition to any other remedy that such party may have in law or
in equity, in the event of such breach.

 

7. (a)
The Sponsor and each Insider agrees that it, he or she shall not Transfer (as defined below) any Founder Shares (or any shares
of Class A Common Stock issuable upon conversion thereof) until the earlier of (A) one year after the completion of the Company’s
initial Business Combination and (B) subsequent to the Business Combination, (x) if the closing price of the Class A Common Stock
equals or exceeds $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 Company’s initial Business
Combination or (y) the date following the completion of the Company’s initial Business Combination on which the Company completes
a liquidation, merger, capital stock exchange, reorganization or other similar transaction that results in all of the Company’s
stockholders having the right to exchange their shares of Class A Common Stock for cash, securities or other property (the “Founder
Shares Lock-up Period”).

 

(b) The
Sponsor and each Insider agrees that it, he or she shall not Transfer any Private Placement Warrants (or any share of Class A Common
Stock issued or issuable upon the exercise of the Private Placement Warrants), until 30 days after the completion of a Business
Combination (the “Private Placement Warrants Lock-up Period”, together with the Founder Shares Lock-up
Period, the “Lock-up Periods”).

 

(c) Notwithstanding
the provisions set forth in paragraphs 7(a) and (b), Transfers of the Founder Shares, Private Placement Warrants and shares of
Class A Common Stock issued or issuable upon the exercise or conversion of the Private Placement Warrants or the Founder Shares
that are held by the Sponsor, any Insider or any of their permitted transferees (that have complied with this paragraph 7(c)),
are permitted (a) to the Company’s officers or directors, any affiliates or family members of any of the Company’s
officers or directors, any members or partners of the Sponsor or their affiliates (including members of the Sponsor’s members),
any affiliates of the Sponsor, or any employees of such affiliates; (b) in the case of an individual, by gift to a member of such
individual’s immediate family or to a trust, the beneficiary of which is a member of such individual’s immediate family,
an affiliate of such individual or to a charitable organization; (c) in the case of an individual, by virtue of laws of descent
and distribution upon death of such individual; (d) in the case of an individual, pursuant to a qualified domestic relations order;
(e) by private sales or transfers made in connection with any forward purchase agreement or similar arrangement or in connection
with the consummation of an initial Business Combination at prices no greater than the price at which the securities were originally
purchased; (f) by virtue of the laws of the State of Delaware or the Sponsor’s organizational documents upon liquidation
or dissolution of the Sponsor; (g) to the Company for no value for cancellation in connection with the consummation of an initial
Business Combination; (h) in the event of the Company’s liquidation prior to the consummation of an initial Business Combination;
or (i) in the event of the Company’s completion of a liquidation, merger, capital stock exchange or other similar transaction
which results in all of the Company’s stockholders having the right to exchange their shares of Class A Common Stock for
cash, securities or other property subsequent to the Company’s completion of an initial Business Combination; provided,
however, that in the case of clauses (a) through (f), these permitted transferees must enter into a written agreement with
the Company agreeing to be bound by the transfer restrictions herein and the other restrictions contained in this Agreement (including
provisions relating to voting, the Trust Account and liquidating distributions).

 

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8. The
Sponsor and each Insider represents and warrants that it, he or she has never been suspended or expelled from membership in any
securities or commodities exchange or association or had a securities or commodities license or registration denied, suspended
or revoked. Each Insider’s biographical information furnished to the Company (including any such information included in
the Prospectus) is true and accurate in all material respects and does not omit any material information with respect to such Insider’s
background. The Sponsor and each Insider represents and warrants that the questionnaire it, he or she furnished to the Company
is true and accurate in all material respects. The Sponsor and each Insider represents and warrants that: it, he or she is not
subject to or a respondent in any legal action for, any injunction, cease-and-desist order or order or stipulation to desist or
refrain from any act or practice relating to the offering of securities in any jurisdiction; it, he or she has never been convicted
of, or pleaded guilty to, any crime (i) involving fraud, (ii) relating to any financial transaction or handling of funds of another
person, or (iii) pertaining to any dealings in any securities and it, he or she is not currently a defendant in any such criminal
proceeding.

 

9. Except
as disclosed in the Prospectus, neither the Sponsor nor any officer, nor any affiliate of the Sponsor or any officer, nor any director
of the Company, shall receive from the Company any finder’s fee, reimbursement, consulting fee, non-cash payments, monies
in respect of any repayment of a loan or other compensation prior to, or in connection with any services rendered in order to effectuate,
the consummation of the Company’s initial Business Combination (regardless of the type of transaction that it is), other
than the following, none of which will be made from the proceeds held in the Trust Account prior to the completion of the initial
Business Combination: repayment of a loan and advances up to an aggregate of $300,000 made to the Company by the Sponsor; reimbursement
for any reasonable out-of-pocket expenses related to identifying, investigating, negotiating and completing an initial Business
Combination; and repayment of loans, if any, and on such terms as to be determined by the Company from time to time, made by the
Sponsor or an affiliate of the Sponsor or any of the Company’s officers or directors to finance transaction costs in connection
with an intended initial Business Combination, provided, that, if the Company does not consummate an initial Business Combination,
a portion of the working capital held outside the Trust Account may be used by the Company to repay such loaned amounts so long
as no proceeds from the Trust Account are used for such repayment. Up to $1,500,000 of such loans may be convertible into warrants
of the post-Business Combination entity at a price of $1.50 per warrant at the option of the lender. Such warrants would be identical
to the Private Placement Warrants, including as to exercise price, exercisability and exercise period.

 

10. The
Sponsor and each Insider has full right and power, without violating any agreement to which it is bound (including, without limitation,
any non-competition or non-solicitation agreement with any employer or former employer), to enter into this Letter Agreement and,
as applicable, to serve as an officer and/or director on the board of directors of the Company and hereby consents to being named
in the Prospectus as an officer and/or director of the Company.

 

11. As
used herein, (i) “Business Combination” shall mean a merger, capital stock exchange, asset acquisition,
stock purchase, reorganization or similar business combination, involving the Company and one or more businesses; (ii) “Common
Stock” shall mean the Class A Common Stock and Class B common stock, par value $0.0001 per share, of the Company
(“Class B Common Stock”); (iii) “Founder Shares” shall mean the 11,068,750
shares of Class B Common Stock issued and outstanding immediately prior to the consummation of the Public Offering (up to 1,443,750
shares of which are subject to complete or partial forfeiture by the Sponsor if the over-allotment option is not exercised by the
Underwriter); (iv) “Initial Stockholders” shall mean the Sponsor and any Insider that holds Founder Shares;
(v) “Private Placement Warrants” shall mean the 6,466,667 warrants (or 7,236,667 warrants if the over-allotment
option is exercised in full) that the Sponsor and certain Insiders have agreed to purchase for an aggregate purchase price of $9,700,000
(or $10,855,000 if the over-allotment option is exercised in full), or $1.50 per warrant, in a private placement that shall occur
simultaneously with the consummation of the Public Offering; (vi) “Public Stockholders” shall mean the
holders of securities issued in the Public Offering; (vii) “Trust Account” shall mean the trust fund
into which a portion of the net proceeds of the Public Offering and the sale of the Private Placement Warrants shall be deposited;
(viii) “Transfer” shall mean the (a) sale of, offer to sell, contract or agreement to sell, hypothecate,
pledge, grant of any option to purchase or otherwise dispose of or agreement to dispose of, directly or indirectly, or establishment
or increase of a put equivalent position or liquidation with respect to or decrease of a call equivalent position within the meaning
of Section 16 of the Exchange Act, and the rules and regulations of the Commission promulgated thereunder with respect to, any
security, (b) entry into any swap or other arrangement that transfers to another, in whole or in part, any of the economic consequences
of ownership of any security, whether any such transaction is to be settled by delivery of such securities, in cash or otherwise,
or (c) public announcement of any intention to effect any transaction specified in clause (a) or (b); and (ix) “Warrants”
shall mean the Private Placement Warrants and Public Warrants.

 

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12. The
Company will maintain an insurance policy or policies providing directors’ and officers’ liability insurance, and each
Director and Officer shall be covered by such policy or policies, in accordance with its or their terms, to the maximum extent
of the coverage available for any of the Company’s directors or officers.

 

13. This
Letter 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 or the transactions contemplated hereby. This Letter 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.

 

14. No
party hereto may assign either this Letter Agreement or any of its rights, interests, or obligations hereunder without the prior
written consent of the other parties. 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 Letter Agreement shall be binding
on the Sponsor and each Insider and their respective successors, heirs and assigns and permitted transferees.

 

15. Nothing
in this Letter Agreement shall be construed to confer upon, or give to, any person or corporation other than the parties hereto
any right, remedy or claim under or by reason of this Letter Agreement or of any covenant, condition, stipulation, promise or agreement
hereof. All covenants, conditions, stipulations, promises and agreements contained in this Letter Agreement shall be for the sole
and exclusive benefit of the parties hereto and their successors, heirs, personal representatives and assigns and permitted transferees.

 

16. This
Letter Agreement may be executed in any number of original or facsimile counterparts and each of such counterparts shall for all
purposes be deemed to be an original, and all such counterparts shall together constitute but one and the same instrument.

 

17. This
Letter Agreement shall be deemed severable, and the invalidity or unenforceability of any term or provision hereof shall not affect
the validity or enforceability of this Letter Agreement or of any other term or provision hereof. Furthermore, in lieu of any such
invalid or unenforceable term or provision, the parties hereto intend that there shall be added as a part of this Letter Agreement
a provision as similar in terms to such invalid or unenforceable provision as may be possible and be valid and enforceable.

 

18. This
Letter Agreement shall be governed by and construed and enforced in accordance with the laws of the State of New York. The parties
hereto (i) all agree that any action, proceeding, claim or dispute arising out of, or relating in any way to, this Letter Agreement
shall be brought and enforced in the courts of New York City, in the State of New York, and irrevocably submit to such jurisdiction
and venue, which jurisdiction and venue shall be exclusive and (ii) waive any objection to such exclusive jurisdiction and venue
or that such courts represent an inconvenient forum.

 

19. Any
notice, consent or request to be given in connection with any of the terms or provisions of this Letter Agreement shall be in writing
and shall be sent by express mail or similar private courier service, by certified mail (return receipt requested), by hand delivery
or facsimile transmission.

 

20. This
Letter Agreement shall terminate on the earlier of (i) the expiration of the Lock-up Periods and (ii) the liquidation of the Company;
provided, however, that this Letter Agreement shall earlier terminate in the event that the Public Offering is not consummated
and closed by December 31, 2020; provided further that paragraph 4 of this Letter Agreement shall survive such liquidation.

 

[Signature Page Follows]

 

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	 	Sincerely,
	 	 	 
	 	CMLS HOLDINGS LLC
	 	 	 
	 	By:	/s/ Keith Meister
	 	 	Name: Keith Meister
	 	 	Title: Manager
	 	 	 
	 	 	/s/ Eli Casdin
	 	 	Name: Eli Casdin
	 	 	 
	 	 	/s/ Keith Meister
	 	 	Name: Keith Meister
	 	 	 
	 	 	/s/ Brian Emes
	 	 	Name: Brian Emes
	 	 	 
	 	 	/s/ Shaun Rodriguez
	 	 	Name: Shaun Rodriguez
	 	 	 
	 	 	/s/ Sean George
	 	 	Name: Sean George
	 	 	 
	 	 	/s/ Munib Islam
	 	 	Name: Munib Islam
	 	 	 
	 	 	/s/ Emily Leproust
	 	 	Name: Emily Leproust
	 	 	 
	 	 	/s/ Nat Turner
	 	 	Name: Nat Turner

 

Acknowledged and Agreed:

 

	CM LIFE SCIENCES, INC.	 
	 	 	 
	By: 	/s/ Brian Emes	 
	 	Name: Brian Emes	 
	 	Title:   Chief Financial Officer and Secretary	 

 

 

7Exhibit 10.6

 

EXECUTION VERSION

 

FORWARD PURCHASE AGREEMENT 

 

This Forward Purchase Agreement (this “Agreement”)
is entered into as of September 1, 2020, by and between CM Life Sciences, Inc., a Delaware corporation (the “Company”),
and Casdin Capital, LLC, a Delaware limited liability company, acting solely in its capacity as investment advisor (in such capacity,
the “Advisor”) to one or more investment funds, clients or accounts (collectively, “Clients”)
managed from time to time by the Advisor.

 

Recitals 

 

WHEREAS, the Company was incorporated for
the purpose of effecting a merger, capital stock exchange, asset acquisition, stock purchase, reorganization or similar business
combination with one or more businesses (a “Business Combination”);

 

WHEREAS, the Company has filed with the
U.S. Securities and Exchange Commission (the “SEC”) a registration statement on Form S-1 (the “Registration
Statement”) for its initial public offering (“IPO”) of 38,500,000 units (or 44,275,000 units if the
underwriters’ over-allotment option (the “IPO Option”) is exercised in full) (the “Public Units”)
at a price of $10.00 per Public Unit, each Public Unit comprised of one share of the Company’s Class A common stock,
par value $0.0001 per share (the “Class A Shares,” and the Class A Shares included in the Public Units,
the “Public Shares”), and one-third of one redeemable warrant, where each whole redeemable warrant is exercisable
to purchase one Class A Share at an exercise price of $11.50 per share (the “Warrants,” and the Warrants
included in the Public Units, the “Public Warrants”);

 

WHEREAS, the Company’s sponsor, CMLS
Holdings, LLC, and certain of the Company’s independent director nominees have severally agreed to purchase an aggregate
of 6,466,667 warrants (or 7,236,667 warrants if the IPO Option is exercised in full) at a price of $1.50 per warrant in a private
placement that will close simultaneously with the closing of the IPO (the “Private Placement Warrants”);

 

WHEREAS, following the closing of the IPO
(the “IPO Closing”), the Company will seek to identify and consummate a Business Combination;

 

WHEREAS, the parties wish to enter into
this Agreement, pursuant to which, concurrently with the closing of the Company’s initial Business Combination (the “Business
Combination Closing”), the Company shall issue and sell to each Purchaser (as defined below), and each Purchaser shall
purchase from the Company, on a private placement basis, the number of Class A Shares (the “Forward Purchase Shares”)
determined pursuant to Section 1 hereof, subject to the terms and conditions set forth herein;

 

WHEREAS, concurrently
with this Agreement, the Company has entered into an agreement in the form of this Agreement (the “Other Forward Contract”)
with Corvex Management LP, acting solely in its capacity as investment advisor to one or more Clients managed from time to time
by such advisor pursuant to which such advisor may allocate to one or more of such Clients or assign to one or more third parties
the obligation to purchase forward purchase shares (the advisor under the Other Forward Contract together with the Advisor, the
“Advisors,” and the purchasers under the Other Forward Contract together with the Purchasers, the “Forward
Contract Parties” and each, a “Forward Contract Party”) for the purchase of up to an aggregate of
7,500,000 Class A Shares, for a purchase price of $10.00 per share, upon the Business Combination Closing for an aggregate purchase
price of $75,000,000;

 

WHEREAS, proceeds from the IPO and the sale
of the Private Placement Warrants in an aggregate amount equal to the gross proceeds from the IPO will be deposited into a trust
account for the benefit of the holders of the Public Shares (the “Trust Account”), as described in the Registration
Statement; and

 

    

    

    

 

WHEREAS, the amounts available to the
Company from the Trust Account (after giving effect to any redemptions of Public Shares) and any other equity or debt
financing obtained by the Company in connection with the initial Business Combination (the “Available
Cash”), together with the proceeds from the sale of the Forward Purchase Shares, will be used to satisfy the cash
requirements of the initial Business Combination, including funding the purchase price and paying expenses and retaining
amounts specified in the definitive agreement for the initial Business Combination (the “Definitive
Agreement”) to be retained for use by the post-initial Business Combination company for working capital or other
purposes (the “Cash Requirements”);

 

NOW, THEREFORE, in consideration of the
premises, representations, warranties and the mutual covenants contained in this Agreement, and for other good and valuable consideration,
the receipt, sufficiency and adequacy of which are hereby acknowledged, the parties hereto agree as follows:

 

Agreement 

 

 1. Sale and Purchase.

 

(a) Forward
Purchase Shares.

 

(i) Subject
to Sections 1(a)(ii), (iii), and (iv) hereof, the Company shall issue and sell to the Purchaser or Purchasers,
determined as set forth in Section 1(a)(ii)(B) hereof, and the Purchaser or Purchasers shall purchase from the Company,
up to an aggregate maximum of 7,500,000 Forward Purchase Shares (the “Maximum Shares”), for a purchase price
of $10.00 per Forward Purchase Share (the “Forward Purchase Price”), or up to a maximum of $75,000,000 in the
aggregate.

 

(ii) The
number of Forward Purchase Shares to be issued and sold by the Company and purchased by each Purchaser hereunder shall be determined
as follows:

 

(A) As soon as reasonably practicable,
but in no event less than fifteen (15) Business Days prior to the Company’s entry into the Definitive Agreement, the Company
shall provide the Advisor with notice (the “Initial Company Notice”) of the number of Forward Purchase Shares
desired to be issued and sold by the Company pursuant to this Agreement. Such number of Forward Purchase Shares shall be determined
by the Company, in its sole discretion, based on, but not limited to, the Cash Requirements and the Available Cash; provided,
however, that such number shall in no event exceed the Maximum Shares. Following delivery of the Initial Company Notice,
the Company shall provide the Advisor with such other information as the Advisor (or any applicable Transferee pursuant to Section 6(b)
hereof) may reasonably request so that the Advisor may appropriately determine the allocation of the Forward Purchase Shares pursuant
to Section 1(a)(ii)(C) hereof.

 

(B)
Subject to Section 1(a)(ii)(C) hereof, within ten (10) Business Days after receipt of the Initial Company Notice, the Advisor
shall (i) allocate to one or more Clients or, in lieu of allocating to a Client, assign to one or more third parties (together
with the Clients, the “Purchasers” and individually, a “Purchaser”), in whole or in part,
the obligation to purchase the Forward Purchase Shares set forth in the Initial Company Notice and (ii) provide the Company with
notice (the “Initial Purchaser Notice”) of the identity of each Purchaser and the number of Forward Purchase
Shares it has allocated or assigned to each Purchaser pursuant to this Agreement, if any, which shall not exceed the Maximum Shares.
Upon such allocation or assignment:

 

1. such
Purchaser shall execute a signature page to this Agreement, substantially in the form attached as Exhibit A hereto (a “Purchaser
Joinder”), which shall reflect the number of Forward Purchase Shares to be purchased by such Purchaser and
shall constitute the binding obligation of such Purchaser to purchase such Forward Purchase Shares, subject to the terms and conditions
of this Agreement, and, upon such execution, such Purchaser shall have all the rights and obligations of a Purchaser hereunder
with respect to such Forward Purchase Shares and shall make all of the representations, warranties, covenants and agreements of
a Purchaser hereunder, and references herein to the “Purchaser” shall be deemed to refer to such Purchaser and to its
Forward Purchase Shares; provided, that any representations, warranties, covenants and agreements of such Purchaser and
any other Purchaser shall be several and not joint and shall be made as to such Purchaser or any other Purchaser, as applicable,
as to itself only; provided, further, that notwithstanding anything to the contrary contained herein, to the extent
the Company proposes to obtain alternative financing to fund the initial Business Combination in the form of an offering of New
Equity Securities (“Alternative Financing”) and a Purchaser participates in such Alternative Financing pursuant
to Section 5 hereof, the aggregate commitment hereunder shall be reduced by the amount of such Purchaser’s participation
in such Alternative Financing; and

 

    2

    

    

 

2. upon
a Purchaser’s execution and delivery of a Purchaser Joinder, the number of Forward Purchase Shares to be purchased by such
Purchaser hereunder shall be reflected in Schedule A to this Agreement. For the avoidance of doubt, this Agreement need
not be amended and restated in its entirety, but only Schedule A need be completed by each of the Purchaser and the Company
upon the occurrence of any such allocation of the Forward Purchase Shares.

 

(C) Notwithstanding the foregoing, the
Advisor shall only be obligated to allocate the purchase of some or all of the number of Forward Purchase Shares set forth in the
Initial Company Notice to any Client if and only if: (i) the initial Business Combination is proposed to be consummated with a
company engaged in a business that is within the investment objectives of such Client; and (ii) the initial Business Combination,
including the target assets or business, and the terms of the initial Business Combination, are reasonably acceptable to such Client,
as determined by the Advisor in its sole discretion (it being understood that the Advisor may consider many of the same criteria
as the Company will consider, but will also consider whether the investment is an appropriate investment for such Client, including
whether the investment complies with any guidelines, restrictions or conflicts of interest provisions applicable to such Client),
and if not all of the Forward Purchase Shares set forth in the Initial Company Notice are allocated to Clients, the Advisor may,
but shall not be obligated to, assign the obligation to purchase such Forward Purchase Shares to one or more third parties. The
Company acknowledges that this Agreement is neither a commitment nor an obligation of any Client to purchase any Forward Purchase
Shares, unless otherwise expressly agreed in writing by such Client by execution and delivery of a Purchaser Joinder.

 

(iii) At
least two (2) Business Days before the Business Combination Closing, the Company shall provide each Purchaser with an updated
notice (the “Final Company Notice”) including:

 

(A) its determination
of the number of Forward Purchase Shares that it desires each Purchaser to purchase pursuant to this Agreement;

 

(B) the anticipated
date of the Business Combination Closing; and

 

(C) instructions
for wiring the aggregate Forward Purchase Price for each such Purchaser’s Forward Purchase Shares.

 

(iv) At
least one (1) Business Day before the Business Combination Closing, each Purchaser shall provide the Company with an updated
notice (the “Final Purchaser Notice”) of the number of Forward Purchase Shares it will be obligated to purchase
pursuant to this Agreement, with no further notification or confirmation necessary from the Company, which number shall not be
less than the lesser of (A) the number of Forward Purchase Shares that such Purchaser was obligated to purchase pursuant to
such Purchaser’s Purchaser Joinder and (B) the number of Forward Purchase Shares that the Company desires the Purchaser
to purchase as specified in the Final Company Notice.

 

(v) The
closing of the sale of Forward Purchase Shares (the “Forward Closing”) shall be held on the same date and concurrently
with the Business Combination Closing (such date being referred to as the “Forward Closing Date”). At least
one (1) Business Day prior to the Forward Closing Date, the Purchaser shall deliver to the Company the aggregate Forward Purchase
Price for the Forward Purchase Shares by wire transfer of U.S. dollars in immediately available funds to the account specified
by the Company in such notice to be held in escrow until the Forward Closing. Immediately prior to the Forward Closing on the Forward
Closing Date, (i) the aggregate Forward Purchase Price shall be released from escrow automatically and without further action
by the Company or the Purchaser, and (ii) upon such release, the Company shall issue the Forward Purchase Shares to the Purchaser
in book-entry form, free and clear of any liens or other restrictions whatsoever (other than those arising under state or federal
securities laws), registered in the name of the Purchaser (or its nominee in accordance with its delivery instructions), or to
a custodian designated by the Purchaser, as applicable. In the event the Business Combination Closing does not occur within five
(5) Business Days of the date scheduled for closing, the Forward Closing shall not occur and the Company shall promptly (but
not later than one (1) Business Day thereafter) return the aggregate Forward Purchase Price to the Purchaser. For purposes
of this Agreement, “Business Day” means any day, other than a Saturday or a Sunday, that is neither a legal holiday
nor a day on which banking institutions are generally authorized or required by law or regulation to close in the City of New York,
New York.

 

    3

    

    

 

(b) Legends. Each
register and book entry for the Forward Purchase Shares shall contain a notation, and each certificate (if any) evidencing
the Forward Purchase Shares shall be stamped or otherwise imprinted with a legend, in substantially the following form: 

 

“THE SECURITIES REPRESENTED HEREBY HAVE NOT
BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR THE SECURITIES LAWS OF ANY STATE OR OTHER JURISDICTION, AND MAY
NOT BE TRANSFERRED IN VIOLATION OF SUCH ACT AND LAWS. THE SALE, PLEDGE, HYPOTHECATION, OR TRANSFER OF THE SECURITIES REPRESENTED
HEREBY ARE SUBJECT TO THE TERMS AND CONDITIONS OF A CERTAIN FORWARD PURCHASE AGREEMENT BY AND BETWEEN THE HOLDER AND THE COMPANY.
COPIES OF SUCH AGREEMENT MAY BE OBTAINED UPON WRITTEN REQUEST TO THE SECRETARY OF THE COMPANY.”

 

2. Representations
and Warranties of the Advisor. The Advisor represents and warrants to the
Company as follows, as of the date hereof:

 

(a) Organization
and Power. The Advisor is duly organized, validly existing, and in good standing under the laws of the jurisdiction of its
formation and has all requisite power and authority to carry on its business as presently conducted and as proposed to be conducted.

 

(b) Authorization.
The Advisor has full power and authority to enter into this Agreement.

 

(c) Compliance
with Other Instruments. The execution, delivery and performance by the Advisor of this Agreement will not result in any violation
or default (i) of any provisions of its organizational documents, (ii) of any instrument, judgment, order, writ or decree to which
it is a party or by which it is bound, (iii) under any note, indenture or mortgage to which it is a party or by which it is bound,
(iv) under any lease, agreement, contract or purchase order to which it is a party or by which it is bound or (v) of any provision
of federal or state statute, rule or regulation applicable to the Advisor, in each case (other than clause (i)), which would have
a material adverse effect on the Advisor.

 

3. Representations and Warranties
of the Purchaser. Each Purchaser that executes and delivers a Purchaser
Joinder represents and warrants to the Company, as of the date of the Purchaser Joinder, as follows:

 

(a) Organization
and Power. The Purchaser is duly organized, validly existing, and in good standing under the laws of the jurisdiction of its
formation and has all requisite power and authority to carry on its business as presently conducted and as proposed to be conducted.

 

(b) Authorization.
The Purchaser has full power and authority to enter into this Agreement. This Agreement, when executed and delivered by the Purchaser,
will constitute the valid and legally binding obligation of the Purchaser, enforceable against the Purchaser in accordance with
its terms, except (i) as limited by applicable bankruptcy, insolvency, reorganization, moratorium, fraudulent conveyance and
any other laws of general application affecting enforcement of creditors’ rights generally, (ii) as limited by laws
relating to the availability of specific performance, injunctive relief or other equitable remedies, or (iii) to the extent
the indemnification provisions contained in the Registration Rights (as defined below) may be limited by applicable federal or
state securities laws.

 

(c) Governmental
Consents and Filings. No consent, approval, order or authorization of, or registration, qualification, designation, declaration
or filing with, any federal, state or local governmental authority is required on the part of the Purchaser in connection with
the consummation of the transactions contemplated by this Agreement.

 

    4

    

    

 

(d) Compliance
with Other Instruments. The execution, delivery and performance by the Purchaser of this Agreement and the consummation by
the Purchaser of the transactions contemplated by this Agreement will not result in any violation or default (i) of any provisions
of its organizational documents, (ii) of any instrument, judgment, order, writ or decree to which it is a party or by which
it is bound, (iii) under any note, indenture or mortgage to which it is a party or by which it is bound, (iv) under any
lease, agreement, contract or purchase order to which it is a party or by which it is bound or (v) of any provision of federal
or state statute, rule or regulation applicable to the Purchaser, in each case (other than clause (i)), which would have a material
adverse effect on the Purchaser or its ability to consummate the transactions contemplated by this Agreement.

 

(e) Purchase
Entirely for Own Account. This Agreement is made with the Purchaser in reliance upon the Purchaser’s representation to
the Company, which by the Purchaser’s execution of this Agreement, the Purchaser hereby confirms, that the Forward Purchase
Shares to be acquired by the Purchaser will be acquired for investment for the Purchaser’s own account, not as a nominee
or agent, and not with a view to the resale or distribution of any part thereof in violation of any state or federal securities
laws, and that the Purchaser has no present intention of selling, granting any participation in, or otherwise distributing the
same in violation of law. By executing this Agreement, the Purchaser further represents that the Purchaser does not presently have
any contract, undertaking, agreement or arrangement with any Person to sell, transfer or grant participations to such Person or
to any third Person, with respect to any of the Forward Purchase Shares. For purposes of this Agreement, “Person”
means an individual, a limited liability company, a partnership, a joint venture, a corporation, a trust, an unincorporated organization,
any other entity or any government or any department or agency thereof.

 

(f) Disclosure
of Information. The Purchaser has had an opportunity to discuss the Company’s business, management, financial affairs
and the terms and conditions of the offering of the Forward Purchase Shares, as well as the terms of the Company’s proposed
IPO, with the Company’s management.

 

(g) Restricted
Securities. The Purchaser understands that the offer and sale of the Forward Purchase Shares to the Purchaser has not been,
and will not be, registered under the Securities Act of 1933, as amended (the “Securities Act”), by reason of
a specific exemption from the registration provisions of the Securities Act which depends upon, among other things, the bona fide
nature of the investment intent and the accuracy of the Purchaser’s representations as expressed herein. The Purchaser understands
that the Forward Purchase Shares are “restricted securities” under applicable U.S. federal and state securities laws
and that, pursuant to these laws, the Purchaser must hold the Forward Purchase Shares indefinitely unless they are registered with
the SEC and qualified by state authorities, or an exemption from such registration and qualification requirements is available.
The Purchaser acknowledges that the Company has no obligation to register or qualify the Forward Purchase Shares, or any Class A
Shares into which the Forward Purchase Shares may be converted or exercised, for resale, except for the Registration Rights. The
Purchaser further acknowledges that if an exemption from registration or qualification is available, it may be conditioned on various
requirements including, but not limited to, the time and manner of sale, the holding period for the Forward Purchase Shares, and
on requirements relating to the Company which are outside of the Purchaser’s control, and which the Company is under no obligation
and may not be able to satisfy. The Purchaser acknowledges that the Company filed the Registration Statement for its proposed IPO.
The Purchaser understands that the offering of the Forward Purchase Shares is not, and is not intended to be, part of the IPO,
and that the Purchaser will not be able to rely on the protection of Section 11 of the Securities Act with respect to the
Forward Purchase Shares.

 

(h) No
Public Market. The Purchaser understands that no public market now exists for the Forward Purchase Shares, and that the Company
has made no assurances that a public market will ever exist for the Forward Purchase Shares.

 

(i) High
Degree of Risk. The Purchaser understands that its agreement to purchase the Forward Purchase Shares involves a high degree
of risk which could cause the Purchaser to lose all or part of its investment.

 

(j) Accredited
Investor. The Purchaser is an accredited investor as defined in Rule 501(a) of Regulation D promulgated under the Securities
Act.

 

(k) No General Solicitation.
Neither the Purchaser, nor any of its officers, directors, employees, agents, stockholders or partners has either directly or
indirectly, including, through a broker or finder (i) engaged in any general solicitation, or (ii) published any
advertisement in connection with the offer and sale of the Forward Purchase Shares.

 

    5

    

    

 

(l) Residence.
The Purchaser’s principal place of business is the office or offices located at the address of the Purchaser set forth on
the signature page hereof.

 

(m) Non-Public
Information. The Purchaser acknowledges its obligations under applicable securities laws with respect to the treatment of non-public
information relating to the Company.

 

(n) Adequacy
of Financing. At the time of the Forward Closing, the Purchaser will have available to it sufficient funds to satisfy its obligations
under this Agreement.

 

(o) No
Other Representations and Warranties; Non-Reliance. Except for the specific representations and warranties contained in this
Section 3 and in any certificate or agreement delivered pursuant hereto, none of the Purchaser nor any person acting
on behalf of the Purchaser nor any of the Purchaser’s affiliates (the “Purchaser Parties”) has made, makes
or shall be deemed to make any other express or implied representation or warranty with respect to the Purchaser and this offering,
and the Purchaser Parties disclaim any such representation or warranty. Except for the specific representations and warranties
expressly made by the Company in Section 4 of this Agreement and in any certificate or agreement delivered pursuant
hereto, the Purchaser Parties specifically disclaim that they are relying upon any other representations or warranties that may
have been made by the Company, any person on behalf of the Company or any of the Company’s affiliates (collectively, the
“Company Parties”).

 

 4. Representations and Warranties of the Company. The Company represents and warrants to the Advisor and the Purchaser as follows: 

 

(a) Incorporation
and Corporate Power. The Company is a corporation duly incorporated and validly existing and in good standing as a corporation
under the laws of the State of Delaware and has all requisite corporate power and authority to carry on its business as presently
conducted and as proposed to be conducted. The Company has no subsidiaries.

 

(b) Capitalization.
On the date hereof, the authorized share capital of the Company consists of:

 

(i) 380,000,000
Class A Shares, none of which are issued and outstanding.

 

(ii) 20,000,000
shares of the Company’s Class B common stock, par value $0.0001 per shares (the “Class B Shares”),
11,068,750 of which are issued and outstanding. All of the outstanding Class B Shares have been duly authorized, are fully
paid and nonassessable and were issued in compliance with all applicable federal and state securities laws.

 

(iii) 1,000,000
preferred shares, none of which are issued and outstanding.

 

(c) Authorization.
All corporate action required to be taken by the Company’s Board of Directors and stockholders in order to authorize the
Company to enter into this Agreement, and to issue the Forward Purchase Shares at the Forward Closing, has been taken or will be
taken prior to the Forward Closing. All action on the part of the stockholders, directors and officers of the Company necessary
for the execution and delivery of this Agreement, the performance of all obligations of the Company under this Agreement to be
performed as of the Forward Closing, and the issuance and delivery of the Forward Purchase Shares has been taken or will be taken
prior to the Forward Closing. This Agreement, when executed and delivered by the Company, shall constitute the valid and legally
binding obligation of the Company, enforceable against the Company in accordance with its terms except (i) as limited by applicable
bankruptcy, insolvency, reorganization, moratorium, fraudulent conveyance, or other laws of general application relating to or
affecting the enforcement of creditors’ rights generally, (ii) as limited by laws relating to the availability of specific
performance, injunctive relief, or other equitable remedies, or (iii) to the extent the indemnification provisions contained
in the Registration Rights may be limited by applicable federal or state securities laws.

 

    6

    

    

 

(d) Valid
Issuance of Shares. The Forward Purchase Shares, when issued, sold and delivered in accordance with the terms and for the consideration
set forth in this Agreement, will be validly issued, fully paid and nonassessable, and free of all preemptive or similar rights,
taxes, liens, encumbrances and charges with respect to the issue thereof and restrictions on transfer other than restrictions on
transfer specified under this Agreement, applicable state and federal securities laws and liens or encumbrances created by or imposed
by the Purchaser. Assuming the accuracy of the representations of the Purchaser in this Agreement and subject to the filings described
in Section 4(e) below, the Forward Purchase Shares will be issued in compliance with all applicable federal and state
securities laws.

 

(e) Governmental
Consents and Filings. Assuming the accuracy of the representations and warranties made by the Purchaser in this Agreement,
no consent, approval, order or authorization of, or registration, qualification, designation, declaration or filing with, any federal,
state or local governmental authority is required on the part of the Company in connection with the consummation of the transactions
contemplated by this Agreement, except for filings pursuant to Regulation D of the Securities Act, and applicable state securities
laws, if any, and pursuant to the Registration Rights.

 

(f) Compliance
with Other Instruments. The execution, delivery and performance of this Agreement and the consummation of the transactions
contemplated by this Agreement will not result in any violation or default (i) of any provisions of the Company’s amended
and restated certificate of incorporation, as it may be amended from time to time (the “Charter”), bylaws or
other governing documents of the Company, (ii) of any instrument, judgment, order, writ or decree to which the Company is
a party or by which it is bound, (iii) under any note, indenture or mortgage to which the Company is a party or by which it
is bound, (iv) under any lease, agreement, contract or purchase order to which the Company is a party or by which it is bound
or (v) of any provision of federal or state statute, rule or regulation applicable to the Company, in each case (other than
clause (i)) which would have a material adverse effect on the Company or its ability to consummate the transactions contemplated
by this Agreement.

 

(g) Operations.
As of the date hereof, the Company has not conducted, and prior to the IPO Closing the Company will not conduct, any operations
other than organizational activities and activities in connection with offerings of its securities.

 

(h) No
General Solicitation. Neither the Company, nor any of its officers, directors, employees, agents or stockholders has either
directly or indirectly, including, through a broker or finder (i) engaged in any general solicitation, or (ii) published
any advertisement in connection with the offer and sale of the Forward Purchase Shares.

 

(i) No
Other Representations and Warranties; Non-Reliance. Except for the specific representations and warranties contained in this
Section 4 and in any certificate or agreement delivered pursuant hereto, none of the Company Parties has made, makes
or shall be deemed to make any other express or implied representation or warranty with respect to the Company, this offering,
the proposed IPO or a potential Business Combination, and the Company Parties disclaim any such representation or warranty. Except
for the specific representations and warranties expressly made by the Advisor in Section 2 of the Agreement and by the Purchaser
in Section 3 of this Agreement and in any certificate or agreement delivered pursuant hereto, the Company Parties specifically
disclaim that they are relying upon any other representations or warranties that may have been made by the Purchaser Parties.

 

    7

    

    

 

5. Right
of First Offer. Subject to the terms and conditions of this Section 5, if, in connection
with or prior to the Business Combination Closing, the Company proposes to issue any equity securities, or securities convertible
into, exchangeable or exercisable for equity securities, other than the Public Units (and their component Public Shares and Public
Warrants) and the Excluded Securities (as defined below) (“New Equity Securities”), or offer or seek commitments
for any New Equity Securities to backstop any such capital raise, the Company shall first make an offer of the New Equity Securities
to the Advisors on behalf of their respective Clients or other Purchasers in accordance with the following provisions of this Section
5:

 

(a) Offer
Notice.

 

(i) The
Company shall give written notice (the “Offering Notice”) to the Advisors stating its bona fide intention to
offer the New Equity Securities and specifying the number of New Equity Securities and the material terms and conditions, including
the price, pursuant to which the Company proposes to offer the New Equity Securities and the applicable pro rata share
of such New Equity Securities offered to each of the Advisors pursuant to such Offering Notice, which shall be 50% of such New
Equity Securities. 

 

(ii) The
Offering Notice shall constitute the Company’s offer to sell the New Equity Securities to Clients managed by the Advisors
or other Purchasers, which offer shall be irrevocable for a period of ten (10) Business Days (the “ROFO Notice Period”).

 

(b) Exercise
of Right of First Offer.

 

(i) Upon
receipt of the Offering Notice, the Advisors shall have until the end of the ROFO Notice Period to accept the Company’s offer
to purchase, in whole or in part, its pro rata share of the New Equity Securities by delivering a written notice
(a “ROFO Notice”) to the Company stating that it accepts, on behalf of one or more specified Clients or other
Purchasers, the Company’s offer to purchase such New Equity Securities on the terms specified in the Offering Notice and
in the amounts specified in the ROFO Notice. Any ROFO Notice signed by the Clients or other Purchasers named therein and so delivered
shall be binding upon delivery and irrevocable by such Clients or other Purchasers.

 

(ii) If
one of the Advisors does not deliver a ROFO Notice during the ROFO Notice Period accepting all of the New Equity Securities offered
to it, it shall be deemed to have waived on behalf of its Clients or other Purchasers all rights to purchase the New Equity Securities
offered pursuant to the Offering Notice under this Section 5 that were not included in the ROFO Notice (the “Waived
New Equity Securities”). Thereafter, to the extent the other Advisor has delivered a ROFO Notice to the Company during
the ROFO Notice Period accepting the Company’s initial offer to purchase all of the New Equity Securities offered to it,
the Company shall, within five (5) Business Days after the expiration of the ROFO Notice Period, give an Offering Notice to such
Advisor, informing it that it has the right to increase the number of New Equity Securities that it accepted pursuant to the initial
ROFO Notice by up to the number of Waived New Equity Securities. Such Advisor shall then have two (2) Business Days (the “Subsequent
Offering Period”) in which to accept such second offer, by giving notice of acceptance (the “Subsequent ROFO
Notice”) to the Company prior to the expiration of the Subsequent Offering Period, as to portion of the Waived New Equity
Securities it accepts for purchase on behalf of one or more specified Clients or other Purchasers.

 

(iii) If
the Subsequent Offer Notice is not delivered to the Company prior to the expiration of the Subsequent Offering Period accepting
for purchase all of the Waived New Equity Securities, the applicable Advisor shall be deemed to have waived on behalf of its Clients
and other Purchasers all rights to purchase such Waived New Equity Securities in such second offer by the Company that it did not
accept for purchase. The Company shall thereafter be free to sell or enter into an agreement to sell the unaccepted portion of
such Waived New Equity Securities to any third party without any further obligation to the Advisors pursuant to this Section
5 within the ninety (90) day period thereafter (and with respect to an agreement to sell, consummate such sale at any time
thereafter) on terms and conditions not more favorable to the third party than those set forth in any Offering Notice. If the Company
does not sell or enter into an agreement to sell the unaccepted portion of the New Equity Securities within such period, the rights
provided hereunder shall be deemed to be revived and the New Equity Securities shall not be offered to any third party unless first
re-offered to the Advisors in accordance with this Section 5.

 

(c) Excluded Securities. For
purposes hereof, the term “Excluded Securities” means Class B Shares (and Class A Shares for which such
Class B Shares are convertible) issued to the Sponsor prior to the IPO, private placement warrants issued by the Company in
connection with the IPO for $1.50 per warrant for an aggregate of $9,700,000 (or $10,855,000 if the underwriters’
over-allotment option is exercised in full) and which have the same exercise price as the Warrants (“Private
Placement Warrants”) issued pursuant to a private placement agreement by and among the Company and the parties
thereto (the “Private Placement Warrant Agreement”), working capital loans to the Company to finance
transaction costs in connection with an intended initial Business Combination to the extent they may be convertible at the
option of the lender into warrants of the post- initial Business Combination entity (“Working Capital
Loans”)), warrants issued upon the conversion of Working Capital Loans, any securities issued by the Company as
consideration to any seller in the initial Business Combination and any Class A Shares issued pursuant to this Agreement or
the Other Forward Contract. 

 

    8

    

    

 

(d) Additional
Private Placements. Notwithstanding anything to the contrary contained herein, prior to the IPO, the Company will not issue
or agree to issue any securities (other than Forward Purchase Shares contemplated by this Agreement, the Other Forward Contract,
the Private Placement Warrants and the Public Units) without the Advisors’ prior written consent.

 

 6. Registration Rights; Transfer

 

(a) Registration
Rights. Each Purchaser shall be granted registration rights by the Company with respect to the Forward Purchase Shares pursuant
to the registration rights agreement (the “Registration Rights Agreement”) to be entered into by the Company
in connection with its IPO, a form of which has been filed with the registration statement relating to the Company’s IPO
(the “Registration Rights”). Upon a Purchaser’s entry into a Purchaser Joinder, such Purchaser shall execute
a joinder to the Registration Rights Agreement.

 

(b) Transfer.
This Agreement and all of the Purchaser’s rights and obligations hereunder (including the Purchaser’s obligation to
purchase the Forward Purchase Shares) may be transferred or assigned, at any time and from time to time, in whole or in part, to
a Forward Contract Party or one or more third parties (each such transferee, a “Transferee”). Upon any such
assignment:

 

(i) the
applicable Transferee shall execute a signature page to this Agreement, substantially in the form of the Purchaser’s signature
page hereto (the “Transferee Joinder Agreement”), which shall reflect the number of Forward Purchase Shares
to be purchased by such Transferee (the “Transferee Securities”), and, upon such execution, such Transferee
shall have all the same rights and obligations of the Purchaser hereunder with respect to the Transferee Securities, and references
herein to the “Purchaser” shall be deemed to refer to and include any such Transferee with respect to such Transferee
and to its Transferee Securities; provided, that any representations, warranties, covenants and agreements of the Purchaser
and any such Transferee shall be several and not joint and shall be made as to the Purchaser or any such Transferee, as applicable,
as to itself only; and

 

(ii) upon
a Transferee’s execution and delivery of a Transferee Joinder Agreement, the number of Forward Purchase Shares to be purchased
by the Purchaser hereunder shall be reduced by the total number of Forward Purchase Shares to be purchased by the applicable Transferee
pursuant to the applicable Transferee Joinder Agreement, which reduction shall be evidenced by the Purchaser and the Company amending
Schedule A and Schedule B to this Agreement to reflect each transfer and updating the “Number of Forward Purchase
Shares” and “Aggregate Purchase Price for Forward Purchase Shares” on the Purchaser’s signature page hereto
to reflect such reduced number of Forward Purchase Shares, and the Purchaser shall be fully and unconditionally released from its
obligation to purchase such Transferee Securities hereunder. For the avoidance of doubt, this Agreement need not be amended and
restated in its entirety, but only Schedule A and Schedule B and the Purchaser’s signature page hereto need
be so amended and updated and executed by each of the Purchaser and the Company upon the occurrence of any such transfer of Transferee
Securities.

 

    9

    

    

 

 7. Additional Agreements, Acknowledgements and Waivers of the Purchaser.

 

(a) Lock-up; Transfer
Restrictions. The Purchaser agrees that it shall not Transfer any Forward Purchase Shares until 30 days after the
completion of the initial Business Combination. Notwithstanding the foregoing, Transfers of the Forward Purchase Shares are
permitted (any such transferees, the “Permitted Transferees”): (A) to the Company’s officers or
directors, any affiliates or family members of any of the Company’s officers or directors, any members of the
Purchaser, or any affiliates of the Purchaser; (B) in the case of an individual, by gift to a member of the
individual’s immediate family, to a trust, the beneficiary of which is a member of individual’s immediate family
or an affiliate of such person, or to a charitable organization; (C) in the case of an individual, by virtue of laws of
descent and distribution upon death of the individual; (D) in the case of an individual, pursuant to a qualified
domestic relations order; (E) by private sales or transfers made in connection with the consummation of a Business
Combination at prices no greater than the price at which the securities were originally purchased; (F) in the event of
the Company’s liquidation prior to the completion of a Business Combination; (G) in the event of the
Company’s liquidation, merger, capital stock exchange, reorganization or other similar transaction which results in all
of the Company’s stockholders having the right to exchange their Class A Shares for cash, securities or other
property subsequent to the completion of the initial Business Combination; (H) as a distribution to limited partners,
members or stockholders of the Purchaser; (I) to the Purchaser’s affiliates, to any investment fund or other
entity controlled or managed by the Purchaser or any of its affiliates, or to any investment manager or investment advisor of
the Purchaser or an affiliate of any such investment manager or investment advisor; (J) to a nominee or custodian of a
person or entity to whom a disposition or transfer would be permissible under clauses (A) through (I) above; (K) to
the Purchaser or any Transferee hereunder; (L) by virtue of the laws of the Purchaser’s jurisdiction of formation
or its organizational documents upon dissolution of the Purchaser; and (M) pursuant to an order of a court or regulatory
agency; provided, however, that in the case of clauses (A) through (E) and (H) through (L), these
Permitted Transferees must enter into a written agreement agreeing to be bound by these transfer restrictions.
“Transfer” shall mean the (x) sale or assignment of, offer to sell, contract or agreement to sell,
hypothecation, pledge, grant of any option to purchase or otherwise dispose of or agreement to dispose of, directly or
indirectly, or establishment or increase of a put equivalent position or liquidation with respect to or decrease of a call
equivalent position (within the meaning of Section 16 of the Exchange Act, and the rules and regulations of the SEC
promulgated thereunder) with respect to, any of the Forward Purchase Shares (excluding any pledges in the ordinary course of
business for bona fide financing purposes or as part of prime brokerage arrangements), (y) entry 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
Forward Purchase Shares, whether any such transaction is to be settled by delivery of such Forward Purchase Shares, in cash
or otherwise, or (z) public announcement of any intention to effect any transaction specified in clause (x) or
(y).

 

(b) Trust
Account.

 

(i) The
Purchaser hereby acknowledges that it is aware that the Company will establish the Trust Account for the benefit of its public
stockholders upon the IPO Closing. The Purchaser, for itself and its affiliates, hereby agrees that it has no right, title, interest
or claim of any kind in or to any monies held in the Trust Account, or any other asset of the Company as a result of any liquidation
of the Company, except for redemption and liquidation rights, if any, the Purchaser may have in respect of any Public Shares held
by it.

 

(ii) The
Purchaser hereby agrees that it shall have no right of set-off or any right, title, interest or claim of any kind (“Claim”)
to, or to any monies in, the Trust Account, and hereby irrevocably waives any Claim to, or to any monies in, the Trust Account
that it may have now or in the future, except for redemption and liquidation rights, if any, the Purchaser may have in respect
of any Public Shares held by it. In the event the Purchaser has any Claim against the Company under this Agreement, the Purchaser
shall pursue such Claim solely against the Company and its assets outside the Trust Account and not against the property or any
monies in the Trust Account, except for redemption and liquidation rights, if any, the Purchaser may have in respect of any Public
Shares held by it.

 

8. Nasdaq
Listing. The Company will use commercially reasonable efforts to effect the listing of the Units,
Class A Shares and Public Warrants on The Nasdaq Capital Market (“Nasdaq”) (or another national securities
exchange) at the time of the Business Combination Closing.

 

 9. Forward Closing Conditions.

 

(a) Assuming
such Purchaser has signed a Purchaser Joinder, the obligation of the Purchaser to purchase the Forward Purchase Shares at the Forward
Closing under this Agreement shall be subject to the fulfillment, at or prior to the Forward Closing of each of the following conditions,
any of which, to the extent permitted by applicable laws, may be waived by the Purchaser:

 

(i) The
initial Business Combination shall be consummated concurrently with the purchase of the Forward Purchase Shares;

 

(ii) No amendment or modification of the
terms of the initial Business Combination provided by the Company to the Advisor prior to the execution by the Purchaser of a
Purchaser Joinder shall have occurred that would reasonably be expected to materially and adversely affect the economic
benefits that the Purchaser would reasonably expect to receive under this Agreement without having received Purchaser’s
prior written consent (not to be unreasonably withheld, conditioned or delayed);

 

    10

    

    

 

(iii) The
Company shall have delivered to the Purchaser a certificate evidencing the Company’s good standing as a Delaware corporation;

 

(iv) The
representations and warranties of the Company set forth in Section 4 of this Agreement shall have been true and correct
as of the date hereof and shall be true and correct as of the Forward Closing Date, as applicable, with the same effect as though
such representations and warranties had been made on and as of such date (other than any such representation or warranty that is
made by its terms as of a specified date, which shall be true and correct as of such specified date), except where the failure
to be so true and correct would not have a material adverse effect on the Company or its ability to consummate the transactions
contemplated by this Agreement;

 

(v) The
Company shall have performed, satisfied and complied in all material respects with the covenants, agreements and conditions required
by this Agreement to be performed, satisfied or complied with by the Company at or prior to the Forward Closing; and

 

(vi) No
order, writ, judgment, injunction, decree, determination, or award shall have been entered by or with any governmental, regulatory,
or administrative authority or any court, tribunal, or judicial, or arbitral body, and no other legal restraint or prohibition
shall be in effect, preventing the purchase by the Purchaser of the Forward Purchase Shares.

 

(b) The
obligation of the Company to sell the Forward Purchase Shares at the Forward Closing under this Agreement shall be subject to the
fulfillment, at or prior to the Forward Closing of each of the following conditions, any of which, to the extent permitted by applicable
laws, may be waived by the Company:

 

(i) The
initial Business Combination shall be consummated concurrently with the purchase of Forward Purchase Shares;

 

(ii) The
representations and warranties of the Purchaser set forth in Section 3 of this Agreement shall have been true and correct
as of the date hereof and shall be true and correct as of the Forward Closing Date, as applicable, with the same effect as though
such representations and warranties had been made on and as of such date (other than any such representation or warranty that is
made by its terms as of a specified date, which shall be true and correct as of such specified date), except where the failure
to be so true and correct would not have a material adverse effect on the Purchaser or its ability to consummate the transactions
contemplated by this Agreement;

 

(iii) The
Purchaser shall have performed, satisfied and complied in all material respects with the covenants, agreements and conditions required
by this Agreement to be performed, satisfied or complied with by the Purchaser at or prior to the Forward Closing; and

 

(iv) No
order, writ, judgment, injunction, decree, determination, or award shall have been entered by or with any governmental, regulatory,
or administrative authority or any court, tribunal, or judicial, or arbitral body, and no other legal restraint or prohibition
shall be in effect, preventing the purchase by the Purchaser of the Forward Purchase Shares.

 

 10. Termination. This Agreement may be terminated at any time prior to the Forward Closing: 

 

(a) by
mutual written consent of the Company and the Purchaser;

 

(b) automatically

 

(i) if
the IPO is not consummated on or prior to twelve months from the date of this Agreement; or

 

    11

    

    

 

(ii) if
a Business Combination is not consummated within 24 months from the closing of the IPO, or such later date as may be approved by
the Company’s stockholders.

 

In the event of any termination of this Agreement pursuant to
this Section 10, the Forward Purchase Price (and interest thereon, if any), if previously paid with respect to any
Forward Purchase Shares, and all Purchaser’s funds paid in connection herewith shall be promptly returned to the Purchaser,
and thereafter this Agreement shall forthwith become null and void and have no effect, without any liability on the part of the
Purchaser or the Company and their respective directors, officers, employees, partners, managers, members, or stockholders and
all rights and obligations of each party shall cease; provided, however, that nothing contained in this Section 10
shall relieve either party from liabilities or damages arising out of any fraud or willful breach by such party of any of its representations,
warranties, covenants or agreements contained in this Agreement.

 

		11.	General Provisions.

 

(a) Notices.
All notices and other communications given or made pursuant to this Agreement shall be in writing and shall be deemed effectively
given upon the earlier of actual receipt, or (i) personal delivery to the party to be notified, (ii) when sent, if sent
by electronic mail or facsimile (if any) during normal business hours of the recipient, and if not sent during normal business
hours, then on the recipient’s next Business Day, (iii) five (5) Business Days after having been sent by registered
or certified mail, return receipt requested, postage prepaid, or (iv) one (1) Business Day after deposit with a nationally
recognized overnight courier, freight prepaid, specifying next Business Day delivery, with written verification of receipt. All
communications sent to the Company shall be sent to: CM Life Sciences, Inc., c/o Corvex Capital Management, 667 Madison Avenue,
New York, New York 10065, Attn: Brian Emes, Chief Financial Officer, email: bemes@corvexcap.com, with a copy to the Company’s
counsel at: White & Case LLP, 1221 Avenue of the Americas, New York, New York 10022, Attn: Joel L. Rubinstein, Esq., email:
jrubinstein@winston.com.

 

All communications to the Purchaser shall be sent to the Purchaser’s
address as set forth on the signature page hereof, or to such e-mail address, facsimile number (if any) or address as subsequently
modified by written notice given in accordance with this Section 11(a).

 

(b) No
Finder’s Fees. Each party represents that it neither is nor will be obligated for any finder’s fee or commission
in connection with this transaction. The Purchaser agrees to indemnify and to hold harmless the Company from any liability for
any commission or compensation in the nature of a finder’s or broker’s fee arising out of this transaction (and the
costs and expenses of defending against such liability or asserted liability) for which the Purchaser or any of its officers, employees
or representatives is responsible. The Company agrees to indemnify and hold harmless the Purchaser from any liability for any commission
or compensation in the nature of a finder’s or broker’s fee arising out of this transaction (and the costs and expenses
of defending against such liability or asserted liability) for which the Company or any of its officers, employees or representatives
is responsible.

 

(c) Survival
of Representations and Warranties. All of the representations and warranties contained herein shall survive the Forward Closing.

 

(d) Entire
Agreement. This Agreement, together with any documents, instruments and writings that are delivered pursuant hereto or referenced
herein, constitutes the entire agreement and understanding of the parties hereto in respect of its subject matter 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 or the transactions contemplated hereby.

 

(e) Successors.
All of the terms, agreements, covenants, representations, warranties, and conditions of this Agreement are binding upon, and inure
to the benefit of and are enforceable by, the parties hereto and their respective successors. Nothing in this Agreement, express
or implied, is intended to confer upon any party other than the parties hereto or their respective successors and assigns any rights,
remedies, obligations or liabilities under or by reason of this Agreement, except as expressly provided in this Agreement.

 

    12

    

    

 

(f) Assignments.
Except as otherwise specifically provided herein, no party hereto may assign either this Agreement or any of its rights, interests,
or obligations hereunder without the prior written approval of the other party.

 

(g) Counterparts.
This Agreement may be executed in two or more counterparts, each of which will be deemed an original but all of which together
will constitute one and the same instrument.

 

(h) Headings.
The section headings contained in this Agreement are inserted for convenience only and will not affect in any way the meaning or
interpretation of this Agreement.

 

(i) Governing
Law. This Agreement, the entire relationship of the parties hereto, and any dispute between the parties (whether grounded in
contract, tort, statute, law or equity) shall be governed by, construed in accordance with, and interpreted pursuant to the laws
of the State of New York, without giving effect to its choice of laws principles.

 

(j) Jurisdiction.
The parties (i) hereby irrevocably and unconditionally submit to the jurisdiction of the state courts of New York and to the
jurisdiction of the United States District Court for the Southern District of New York for the purpose of any suit, action or other
proceeding arising out of or based upon this Agreement, (ii) agree not to commence any suit, action or other proceeding arising
out of or based upon this Agreement except in state courts of New York or the United States District Court for the Southern District
of New York, and (iii) hereby waive, and agree not to assert, by way of motion, as a defense, or otherwise, in any such suit,
action or proceeding, any claim that it is not subject personally to the jurisdiction of the above-named courts, that its property
is exempt or immune from attachment or execution, that the suit, action or proceeding is brought in an inconvenient forum, that
the venue of the suit, action or proceeding is improper or that this Agreement or the subject matter hereof may not be enforced
in or by such court.

 

(k) Waiver
of Jury Trial. The parties hereto hereby waive any right to a jury trial in connection with any litigation pursuant to this
Agreement and the transactions contemplated hereby.

 

(l) Amendments.
This Agreement may not be amended, modified or waived as to any particular provision except with the prior written consent of the
Company and the Purchaser.

 

(m) Severability.
The provisions of this Agreement will be deemed severable and the invalidity or unenforceability of any provision will not affect
the validity or enforceability of the other provisions hereof; provided, that if any provision of this Agreement, as applied
to any party hereto or to any circumstance, is adjudged by a governmental authority, arbitrator, or mediator not to be enforceable
in accordance with its terms, the parties hereto agree that the governmental authority, arbitrator, or mediator making such determination
will have the power to modify the provision in a manner consistent with its objectives such that it is enforceable, and/or to delete
specific words or phrases, and in its reduced form, such provision will then be enforceable and will be enforced.

 

(n) Expenses.
Each of the Company and the Purchaser will bear its own costs and expenses incurred in connection with the preparation, execution
and performance of this Agreement and the consummation of the transactions contemplated hereby, including all fees and expenses
of agents, representatives, financial advisors, legal counsel and accountants. The Company shall be responsible for the fees of
its transfer agent; stamp taxes and all of The Depository Trust Company’s fees associated with the issuance of the Forward
Purchase Shares.

 

    13

    

    

 

(o) Construction. The parties
hereto have participated jointly in the negotiation and drafting of this Agreement. If an ambiguity or question of intent or
interpretation arises, this Agreement will be construed as if drafted jointly by the parties hereto and no presumption or
burden of proof will arise favoring or disfavoring any party hereto because of the authorship of any provision of this
Agreement. Any reference to any federal, state, local, or foreign law will be deemed also to refer to law as amended and all
rules and regulations promulgated thereunder, unless the context requires otherwise. The words “include,”
“includes,” and “including” will be deemed to be followed by “without
limitation.” Pronouns in masculine, feminine, and neuter genders will be construed to include any other gender, and
words in the singular form will be construed to include the plural and vice versa, unless the context otherwise requires. The
words “this Agreement,” “herein,” “hereof,”
“hereby,” “hereunder,” and words of similar import refer to this Agreement as a whole
and not to any particular subdivision unless expressly so limited. The parties hereto intend that each representation,
warranty, and covenant contained herein will have independent significance. If any party hereto has breached any
representation, warranty, or covenant contained herein in any respect, the fact that there exists another representation,
warranty or covenant relating to the same subject matter (regardless of the relative levels of specificity) which such party
hereto has not breached will not detract from or mitigate the fact that such party hereto is in breach of the first
representation, warranty, or covenant.

 

(p) Waiver.
No waiver by any party hereto of any default, misrepresentation, or breach of warranty or covenant hereunder, whether intentional
or not, may be deemed to extend to any prior or subsequent default, misrepresentation, or breach of warranty or covenant hereunder
or affect in any way any rights arising because of any prior or subsequent occurrence.

 

(q) Specific
Performance. The Purchaser agrees that irreparable damage may occur in the event any provision of this Agreement was not performed
by the Purchaser in accordance with the terms hereof and that the Company shall be entitled to specific performance of the terms
hereof, in addition to any other remedy at law or equity.

 

[Signature Page Follows]

 

    14

    

    

 

IN WITNESS WHEREOF, the undersigned have executed this
Agreement to be effective as of the date first set forth above.

 

	ADVISOR:	 
	 	 
	CASDIN CAPITAL, LLC	 
	 	 	 
	By:	 	
        /s/ Eli Casdin
	 
	Name: 	 	Eli Casdin	 
	Title:	 	Chief Executive Officer	 

  

	COMPANY:	 
	 	 
	CM LIFE SCIENCES, INC.	 
	 	 	 
	By:	 	
        /s/ Brian Emes
	 
	Name:	 	Brian Emes	 
	Title:	 	Chief Financial Officer and Secretary	 

 

[Signature Page
to Forward Purchase Agreement]

 

    

    

    

 

EXHIBIT A

 

FORM OF PURCHASER JOINDER

 

	Number of Forward Purchase Shares:	 	 	 
	Aggregate Purchase Price for Forward Purchase Shares:	 	$	 	 

 

TO BE EXECUTED UPON ANY ALLOCATION AND/OR REVISION IN ACCORDANCE
WITH THIS AGREEMENT TO “NUMBER OF FORWARD PURCHASE SHARES” AND “AGGREGATE PURCHASE PRICE FOR FORWARD PURCHASE
SECURITIES” SET FORTH ABOVE:

 

Number of Forward Purchase Shares and Aggregate Purchase Price
for Forward Purchase Shares as of       , 20[    ],
accepted and agreed to as of this      day of       ,
20[    ].

 

	 	PURCHASER:
	 	[ ___________________   ]

	 	By:    	 
	 	Name: 	 
	 	Title:	 

 

		Address for Notices:

 

	 	COMPANY:
	 	CM LIFE SCIENCES, INC.

	 	By:    	 
	 	Name: 	 
	 	Title:	 

 

    

    

    

 

SCHEDULE A

 

ALLOCATION OF FORWARD PURCHASE SHARES

 

The following allocation of Forward Purchase
Shares has been made:

 

	Purchaser(s)	 	Number of
 Forward
 Purchase
 Shares to be
 Purchased	 
	 	 	 	 	 

 

TO BE EXECUTED UPON ALLOCATION OF FORWARD PURCHASE SECURITIES:

 

Schedule A as of       ,
20[    ], accepted and agreed to as of this      day of       ,
20[    ] by:

 

	 	PURCHASER:
	 	[ ___________________   ]

	 	By:    	 
	 	Name: 	 
	 	Title:	 

 

		Address for Notices:

 

	 	COMPANY:
	 	CM LIFE SCIENCES, INC.

	 	By:    	 
	 	Name: 	 
	 	Title:	 

 

    

    

    

 

EXHIBIT B

 

FORM OF TRANSFEREE JOINDER

 

TO BE EXECUTED UPON ANY ASSIGNMENT AND/OR REVISION IN ACCORDANCE
WITH THIS AGREEMENT TO “NUMBER OF FORWARD PURCHASE SHARES” AND “AGGREGATE PURCHASE PRICE FOR FORWARD PURCHASE
SHARES” SET FORTH BELOW 

 

	Number of Forward Purchase Shares:	 	 	 	 
	 	 	 	 	 
	Aggregate Purchase Price for Forward Purchase Shares:	 	$	 	 

 

Number of Forward Purchase Shares and Aggregate Purchase Price
for Forward Purchase Shares as of       , 202[    ],
accepted and agreed to as of this      day of       ,
202[    ].

 

	 	[                       ]

 

	 	By:    	 
	 	Name: 	 
	 	Title:	 

 

		Address for Notices:

 

	 	CM LIFE SCIENCES, INC.

 

	 	By:    	 
	 	Name: 	 
	 	Title:	 

  

    

    

    

 

SCHEDULE B

 

SCHEDULE OF TRANSFERS OF FORWARD PURCHASE
SHARES 

 

The following transfers of a portion of the original number
of Forward Purchase Shares have been made:

 

	Date of Transfer	 	Transferee	 	 	Number of
 Forward Purchase Shares
 Transferred	 	 	Purchaser Revised
 Forward Purchase Shares
 Amount	 
	    	 	 	     	 	 	 	     	 	 	 	    	 

  

TO BE EXECUTED UPON ANY ASSIGNMENT OR
FINAL DETERMINATION OF FORWARD PURCHASE SHARES: 

 

Schedule A as of       ,
202[    ], accepted and agreed to as of this      day of       ,
202[    ] by:

 

	[       ]	 	CM LIFE SCIENCES, INC.

 

	By:	 	 	 	By:	 	 
	Name:	 	 	 	Name:	 	 
	Title:	 	 	 	Title:

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