Document:

Exhibit
10.3

 

PUT/CALL
AGREEMENT

 

This
Put/Call Agreement (this “Agreement”), dated as of October 1, 2021, is entered into by and between FAT Brands Inc.,
a Delaware corporation (“FAT Brands”), on the one hand, and Twin Peaks Holdings, LLC, a Delaware limited liability
company (“Seller”).

 

RECITALS

 

WHEREAS,
FAT Brands, Seller and Twin Peaks Buyer, LLC, a Delaware limited liability company (the “Company”), have entered into
that certain Unit Purchase Agreement, dated as of August 31, 2021 (the “Purchase Agreement”), on the terms and subject
to the conditions of which FAT Brands will purchase from Seller all of the issued and outstanding Units of the Company at the closing
thereunder;

 

WHEREAS,
this Agreement is being entered into in connection with the Purchase Agreement, pursuant to which Seller will receive, as part of the
consideration for the Units, 2,847,393 newly-issued shares of 8.25% Series B Cumulative Preferred Stock of FAT Brands (subject to appropriate
adjustment in the event of any stock dividend, stock split, combination, or other similar recapitalization with respect to such shares,
if applicable) (the “Put/Call Shares”), pursuant to the terms and conditions set forth in the Purchase Agreement;
and

 

WHEREAS,
Seller desires to give FAT Brands the right to call the Put/Call Shares, and FAT Brands desires to give Seller the right to put the Put/Call
Shares, on the terms and subject to the conditions hereinafter provided.

 

AGREEMENT

 

NOW,
THEREFORE, in consideration of the mutual covenants, agreements and obligations hereinafter set forth and for other good and valuable
consideration, the receipt and sufficiency of which are hereby acknowledged, the parties agree as follows:

 

1.Defined
Terms. All capitalized terms used and not otherwise defined herein shall have the meanings assigned to such terms in the Purchase Agreement.

 

2. Call
Right.

 

(a) At
any time between the Closing Date and the close of business on March 31, 2022 (the “Initial Put/Call Period”), FAT
Brands may purchase all (but not less than all) of 1,793,858 of the Put/Call Shares (the “Initial Put/Call Shares”)
at a price equal to Forty-Two Million and Five Hundred Thousand Dollars ($42,500,000) plus any and all accrued but unpaid dividends thereon
through the date of the purchase and sale of the Put/Call Shares (the “Initial Put/Call Price”), on the terms and
subject to the conditions of this Section 2.

 

(b) At
any time between the Closing Date and the close of business on September 30, 2022 (the “Secondary Put/Call Period”),
FAT Brands may purchase all (but not less than all) of 1,053,535 of the Put/Call Shares (the “Secondary Put/Call Shares”)
at a price equal to Twenty-Five Million Dollars ($25,000,000) plus any and all accrued but unpaid dividends thereon through the date
of the purchase and sale of the Put/Call Shares (the “Secondary Put/Call Price”), on the terms and subject to the
conditions of this Section 2.

 

    	-1-

    	 

    

 

(c) FAT
Brands shall give Seller at least 15 days’ prior written notice of its election to purchase the Initial Put/Call Shares and the
Secondary Put/Call Shares, as applicable (each, a “Call Notice”), which Call Notice shall be delivered prior to the
end of the Initial Put Period or the Secondary Put Period, as applicable, and shall set forth the date and time of the closing (which
shall be a Business Day) of the purchase and sale of the Initial Put/Call Shares or the Secondary Put/Call Shares, as applicable (each,
a “Put/Call Closing”); provided that, each Put/Call Closing shall take place on or prior to (i) the end of
the Initial Put/Call Period, with respect to the Initial Put/Call Shares and (ii) the end of the Secondary Put/Call Period, with respect
to the Secondary Put/Call Shares.

 

(d) Each
Put/Call Closing shall take place virtually via the exchange of executed documents and other deliverables by PDF or other means of electronic
delivery and wire transfer of funds on the closing date; provided that, if the purchase and sale is subject to regulatory approval
required by applicable securities Laws or the requirements of the Nasdaq Stock Market, such Put/Call Closing shall be extended to the
date that occurs five (5) Business Days after all such approvals have been received and requirements satisfied; provided, further
that, FAT Brands shall use commercially reasonable efforts to obtain any such regulatory approvals and satisfy such requirements
as promptly as practicable.

 

(e) At
each Put/Call Closing, Seller shall (i) deliver to FAT Brands instrument(s) of transfer, in customary form, sufficient to transfer the
Initial Put/Call Shares and the Secondary Put/Call Shares, as applicable, to FAT Brands free and clear of all Liens, other than Liens
arising under applicable securities Laws, (ii) execute and deliver to FAT Brands a certificate in customary form containing only customary
representations and warranties with respect to title to, and ownership of, the Initial Put/Call Shares or the Secondary Put/Call Shares,
as applicable, authorization, execution and delivery of relevant documents and enforceability of such documents and (iii) execute such
other customary certificates and documents and take such other customary actions as may be reasonably requested by FAT Brands to consummate
such transactions.

 

(f) FAT
Brands shall, concurrently with the receipt of such instrument(s) of transfer, pay to Seller the Initial Put/Call Price or the Secondary
Put/Call Price, as applicable. Payment shall be made in U.S. dollars by FAT Brands in cash by wire transfer of immediately available
funds to an account designated by Seller at least two (2) Business Days prior to the Put/Call Closing.

 

(g) If
Seller satisfies the requirements set forth in Section 2(e) and FAT Brands does not make the Initial Put/Call Price or the Secondary
Put/Call Price, as applicable, available to Seller on the applicable Put/Call Closing date, the Initial Put/Call Price or the Secondary
Put/Call Price, as applicable, shall accrue interest at the rate of 10% per annum from the date such Put/Call Closing should have occurred
until the date on which such Put/Call Closing actually occurs, which interest shall be payable in cash monthly on the first day of each
calendar month until the date of such Put/Call Closing upon which any such unpaid interest shall be paid and payable together with the
Initial Put/Call Price or the Secondary Put/Call Price, as applicable.

 

    	-2-

    	 

    

 

(h) If
FAT Brands makes available, at the time and place and in the amount and form provided herein, the Initial Put/Call Price and/or the Secondary
Put/Call Price, as applicable, to be purchased in accordance with this Section 2, then from and after such time Seller shall no
longer have any rights as holders of such Initial Put/Call Shares and/or Secondary Put/Call Shares, as applicable (other than the right
of Seller to receive payment of such consideration in accordance herewith) and such Initial Put/Call Shares and/or Secondary Put/Call
Shares, as applicable, shall be deemed to have been purchased in accordance with the applicable provisions hereof, whether or not instrument(s)
of transfer with respect thereto have been delivered as required hereby; provided that, FAT Brands irrevocably deposits the Initial
Put/Call Price and/or the Secondary Put/Call Price, as applicable, with a nationally recognized escrow agent or trust company with irrevocable
instructions in customary form to such escrow agent or trust company that such Initial Put/Call Price and/or the Secondary Put/Call Price,
as applicable, be paid to Seller immediately upon Seller’s delivery of the requisite instruments of transfer contemplated hereby.

 

(i) Notwithstanding
the foregoing or anything herein to the contrary, if FAT Brands exercises its put right in accordance with this Section 2 and
does not withdraw its request to purchase such Initial Put/Call Shares and/or Secondary Put/Call Shares, as applicable, and FAT Brands
does not make the Initial Put/Call Price or the Secondary Put/Call Price, as applicable, available to Seller on the applicable Put/Call
Closing date in accordance herewith (a “Call Default”), Seller may sell the Initial Put/Call Shares or the Secondary
Put/Call Shares, as applicable, to one or more third party(ies) without restriction hereunder. Upon any such sale, FAT Brands’
obligations to Seller under this Section 2 with respect to the Initial Put/Call Shares or the Secondary Put/Call Shares, as applicable,
shall terminate and be of no further force and effect unless (x) the assignee thereof agrees in writing to be bound by the terms and
conditions of this Agreement in place of Seller and (y) Seller, on behalf of itself and not, for the avoidance of doubt, such transferee
and assignee (and without implicating such transferee’s and assignee’s rights hereunder) waives any and all claims of any
type Seller may have for matters related to its rights hereunder with respect to such shares for periods prior to such sale, in which
case FAT Brands’ obligations to Seller under this Section 2 shall not so terminate and shall remain in full force and effect.

 

(j) FAT
Brands may at any time withdraw its request to purchase such Initial Put/Call Shares and/or Secondary Put/Call Shares, as applicable,
prior to the consummation thereof without any liability to Seller and without prejudice to any future exercise of its rights under this
Section 2 (but subject to the applicable time periods set forth herein).

 

3. Put
Right.

 

(a) At
any time during the Initial Put/Call Period, Seller may require FAT Brands to purchase the Initial Put/Call Shares at a price equal to
the Initial Put/Call Price, on the terms and subject to the conditions of this Section 3.

 

(b) At
any time during the Secondary Put/Call Period, Seller may require FAT Brands to purchase the Secondary Put/Call Shares at a price equal
to the Secondary Put/Call Price, on the terms and subject to the conditions of this Section 3.

 

    	-3-

    	 

    

 

(c) If
Seller desires to exercise its rights under Section 3(a) or Section 3(b) Seller shall give FAT Brands written notice of
its election to sell to FAT Brands the Initial Put Shares or Secondary Put Shares, as applicable, (each, a “Put Notice”),
which Put Notice shall be delivered prior to the end of the Initial Put Period or the Secondary Put Period, as applicable.

 

(d) The
Put/Call Closing of the Initial Put Shares or Secondary Put Shares, as applicable, shall take place virtually via the exchange of executed
documents and other deliverables by PDF or other means of electronic delivery and wire transfer of funds on the applicable closing date.
Subject to the timely delivery of a Put Notice, the Put/Call Closing of the Initial Put Shares shall take place on March 31, 2022. Subject
to the timely delivery of a Put Notice, the Put/Call Closing of the Secondary Put Shares shall take place on September 30, 2022.

 

(e) At
each Put/Call Closing, Seller shall (i) deliver to FAT Brands instrument(s) of transfer, in customary form, sufficient to transfer the
Initial Put/Call Shares and the Secondary Put/Call Shares, as applicable, to FAT Brands free and clear of all Liens, other than Liens
arising under applicable securities Laws, (ii) execute and deliver to FAT Brands a certificate in customary form containing only customary
representations and warranties with respect to title to, and ownership of, the Initial Put/Call Shares or the Secondary Put/Call Shares,
as applicable, authorization, execution and delivery of relevant documents and enforceability of such documents and (iii) execute such
other customary certificates and documents and take such other customary actions as may be reasonably requested by FAT Brands to consummate
such transactions.

 

(f) FAT
Brands shall, concurrently with the receipt of such instrument(s) of transfer, pay to Seller the Initial Put/Call Price or the Secondary
Put/Call Price, as applicable. Payment shall be made in U.S. dollars by FAT Brands in cash by wire transfer of immediately available
funds to an account designated by Seller at least two (2) Business Days prior to the Put/Call Closing.

 

(g) If
Seller satisfies the requirements set forth in Section 3(e) and FAT Brands does not make the Initial Put/Call Price or the Secondary
Put/Call Price, as applicable, available to Seller on the applicable Put/Call Closing date, the Initial Put/Call Price or the Secondary
Put/Call Price, as applicable, shall accrue interest at the rate of 10% per annum from the date such Put/Call Closing should have occurred
until the date on which such Put/Call Closing actually occurs, which interest shall be payable in cash monthly on the first day of each
month each calendar month until the date of such Put/Call Closing upon which any such unpaid interest shall be paid and payable together
with the Initial Put/Call Price or the Secondary Put/Call Price, as applicable.

 

(h) If
FAT Brands makes available, at the time and place and in the amount and form provided herein, the Initial Put/Call Price and/or the Secondary
Put/Call Price, as applicable, to be purchased in accordance with this Section 3, then from and after such time Seller shall no
longer have any rights as a holder of the Initial Put/Call Shares or Secondary Put/Call Shares, as applicable (other than the right of
Seller to receive payment of such consideration in accordance herewith) and the Initial Put/Call Shares or Secondary Put/Call Shares,
as applicable, shall be deemed to have been purchased in accordance with the applicable provisions hereof, whether or not instrument(s)
of transfer with respect thereto have been delivered as required hereby; provided that, FAT Brands irrevocably deposits the Initial
Put/Call Price and/or the Secondary Put/Call Price, as applicable, with a nationally recognized escrow agent or trust company with irrevocable
instructions in customary form to such escrow agent or trust company that such Initial Put/Call Price and/or the Secondary Put/Call Price,
as applicable, be paid to Seller immediately upon Seller’s delivery of the requisite instruments of transfer contemplated hereby.

 

    	-4-

    	 

    

 

(i) Notwithstanding
the foregoing or anything herein to the contrary, if Seller exercises its put right in accordance with this Section 3, FAT Brands
does not make the Initial Put/Call Price or the Secondary Put/Call Price, as applicable, available to Seller on the applicable Put/Call
Closing date in accordance herewith (a “Put Default”), Seller may sell the Initial Put/Call Shares or the Secondary
Put/Call Shares, as applicable, to one or more third party(ies) without restriction hereunder. Upon any such sale, FAT Brands’
obligations to Seller under this Section 3 with respect to the Initial Put/Call Shares or the Secondary Put/Call Shares, as applicable,
shall terminate and be of no further force and effect unless (x) the assignee thereof agrees in writing to be bound by the terms and
conditions of this Agreement in place of Seller and (y) Seller, on behalf of itself and not, for the avoidance of doubt, such transferee
and assignee (and without implicating such transferee’s and assignee’s rights hereunder) waives any and all claims of any
type Seller may have for matters related to its rights hereunder with respect to such shares for periods prior to such sale, in which
case FAT Brands’ obligations to Seller under this Section 3 shall not so terminate and shall remain in full force and effect.

 

4. Covenants.

 

(a) From
and after the date hereof until the earlier of (a) the purchase of a sufficient number of the Put/Call Shares by FAT Brands from Seller
hereunder such that Seller holds 1,000,000 or less Put/Call Shares and (b) April 1, 2022, if no Call Notice(s) or Put Notice(s) have
been delivered in accordance herewith prior to March 31, 2022, FAT Brands shall not, and shall not permit any of its Subsidiaries to,
directly or indirectly, (i) redeem, repurchase or otherwise acquire from any holder of, or declare or pay any dividend or other distribution
in respect of, any shares of capital stock or other equity securities of FAT Brands or any of its Subsidiaries (other than (x) to fulfil
FAT Brands’ obligations to Seller in respect of the Put/Call Shares or otherwise hereunder, (y) the declaration and payment of
cash dividends ratably on all outstanding shares of FAT Brands’ Series B Cumulative Preferred Stock in accordance with Section
3 of the Amended and Restated Certificate of Designation in respect thereof dated July 14, 2020 (the “Certificate of Designation”),
the declaration and payment of quarterly cash dividends ratably on all outstanding shares of Class A Common Stock and Class B Common
Stock consistent with FAT Brands’ past practices, and/or the declaration and payment of cash dividends by Subsidiaries of FAT Brands
to FAT Brands and/or another Subsidiary of FAT Brands, and/or (z) redemptions or repurchases by FAT Brands solely in exchange for, or
the declaration and payment of dividends by FAT Brands payable solely in, shares of Junior Shares (as defined in the Certificate of Designation)),
or (ii) issue or sell any Senior Shares or Parity Shares (each as defined in the Certificate of Designation) or any options, warrants
or other rights to acquire any Senior Shares or Parity Shares (other than (x) if the proceeds thereof are used to fulfill FAT Brands’
obligations to Seller in respect of the Put/Call Shares or otherwise hereunder, (y) in exchange for cash proceeds which are used solely
for working capital purposes of FAT Brands and its Subsidiaries in the ordinary course of business consistent with past practices, and/or
(z) the issuance of Parity Shares as consideration for the acquisition of a non-Affiliated Person or all or substantially all of such
Person’s business or assets, provided that the recipient of such Parity Shares is not granted and afforded any redemption or other
rights with respect thereto which would require any cash payment(s) to such recipient(s) prior to satisfaction of FAT Brands’ obligations
hereunder during the period in which this Section 4(a) remains in effect) or issue or sell, or issue or grant any options, warrants
or other rights to acquire, any capital stock or other equity securities of any Subsidiary(ies) of FAT Brands (other than capital of
stock or other equity securities issued to FAT Brands or another Subsidiary thereof and which, for the avoidance of doubt shall not include
debt securities the proceeds of which are used for working capital purposes in the ordinary course of business consistent with past practice
or to acquire a non-Affiliate Person or all or substantially all of such Person’s business or assets or (iii) authorize, commit
or agree to do any of the foregoing.

 

    	-5-

    	 

    

 

(b) From
and after the date hereof until the earlier of (a) the purchase of a sufficient number of the Put/Call Shares by FAT Brands from Seller
hereunder such that Seller holds 1,000,000 or less Put/Call Shares and (b) October 1, 2022, if no Call Notice(s) or Put Notice(s) have
been delivered in accordance herewith prior to September 30, 2022, FAT Brands shall not, and shall not permit any of its Subsidiaries
to, directly or indirectly, (i) adopt a plan of liquidation, dissolution, restructuring, recapitalization, bankruptcy or other reorganization
that materially and adversely affects Seller’s rights hereunder, (ii) amend, or propose to amend, FAT Brand’s Certificate
of Incorporation or the Certificate of Designation, or split, combine or reclassify the Series B Preferred Stock, in each case, in any
manner materially adverse to Seller’s rights and entitlements in respect of the Put/Call Shares or otherwise hereunder, or (iii)
authorize, commit or agree to do any of the foregoing.

 

5. Lock-Up.
During the period from the Closing Date until (i) with respect to the Initial Put Shares, the earlier of (A) March 31, 2022, (B) if FAT
Brands timely delivers a Call Notice and does not withdraw its request to purchase the Initial Put/Call Shares, upon a Call Default,
or (C) if Seller timely delivers a Put Notice, upon a Put Default, and (ii) with respect to the Secondary Put Shares, the earlier of
(A) September 30, 2022, (B) if FAT Brands timely delivers a Call Notice and does not withdraw its request to purchase the Secondary Put/Call
Shares, upon a Call Default, or (C) if Seller timely delivers a Put Notice, upon a Put Default, Seller agrees not to, directly or indirectly,
offer, sell, contract to sell, pledge, grant any option to purchase, make any short sale or otherwise dispose of any such shares. The
foregoing restriction is expressly agreed not to preclude Seller from engaging in any hedging or other transaction which would not reasonably
be expected to lead to or result in a sale or disposition of such shares even if such shares would be disposed of by someone other than
Seller.

 

6. Miscellaneous.
The following provisions of the Purchase Agreement are incorporated herein mutatis mutandis (with the references therein to “this
Agreement” and the “parties” referring to this Put/Call Agreement and the parties hereto, respectively, and with any
other logically necessary changes): 13.02 (Expenses); 13.03 (Notices); 13.05 (Severability); 13.06 (Construction); 13.07 (Amendment and
Waiver); 13.08 (Complete Agreement); 13.10 (Counterparts); 13.11 (Governing Law; Choice of Law); 13.12 (Arbitration; Waiver of Jury Trial);
13.13 (Legal Representation); 13.14 (Non-Recourse Parties); 13.17 (Specific Performance); and 13.19 (Prevailing Party). This Agreement
and the Purchase Agreement contain the entire understanding of the parties hereto with respect to the subject matter hereof and supersedes
all prior and contemporaneous oral or written agreements, negotiations, understandings, statements or proposals with respect to the subject
matter hereof.

 

7. Assignment.
This Agreement and all of the provisions hereof shall be binding upon and inure to the benefit of the parties hereto and their respective
successors and permitted assigns, except that neither this Agreement nor any of the rights, interests or obligations hereunder may be
assigned or delegated by either FAT Brands or Seller without the prior written consent of the other party; provided, that, Seller
may assign its respective rights under this Agreement to any Affiliate(s) of Seller or, upon and following a Put Default, to Seller’
direct and indirect equityholders or any other Person to whom any Put/Call Shares are transferred, in each case, so long as such assignee(s)
agrees in writing to be bound by the terms and conditions hereof.

 

8. No
Third Party Beneficiaries. This Agreement is for the sole benefit of the parties hereto and their respective successors and permitted
assigns and nothing herein, express or implied, is intended to or shall confer upon any other Person or entity any legal or equitable
right, benefit, remedy of any nature whatsoever or by reason of this Agreement.

 

[Remainder
of Page Intentionally Left Blank]

 

    	-6-

    	 

    

 

IN
WITNESS WHEREOF, each party has duly executed and delivered this Agreement as of the date first above written.

 

	 	FAT BRANDS:
	 	 	 
	 	FAT BRANDS INC.
	 	 	 
	 	By:
    	/s/
    Andrew Wiederhorn 
	 	Name:	Andrew
    Wiederhorn
	 	Title:	President
    and Chief Executive Officer 

 

	 	SELLER:
	 	 	 
	 	Twin Peaks Holdings, LLC
	 	 	 
	 	By:	/s/
    Matthew Perelman
	 	Name:	Matthew
    Perelman
	 	Title:	Co-President
    

 

Signature
Page to Put/Call AgreementEX-10.1

 Exhibit 10.1 

FORM OF AMENDED AND RESTATED 

REGISTRATION RIGHTS AGREEMENT 

THIS AMENDED AND RESTATED REGISTRATION RIGHTS AGREEMENT (this “Agreement”), dated as of
[            ], 2021, is made and entered into by and among Rigetti Computing, Inc., a Delaware corporation (the “Company”) (formerly known as Supernova Partners
Acquisition Company II, Ltd., a Cayman Islands exempted company), Supernova Partners II LLC, a Cayman Islands limited liability company (the “Sponsor”), the Individual Holders (as defined below), certain former stockholders
of Rigetti Holdings, Inc., a Delaware corporation (“Rigetti”), identified on the signature pages hereto, (such stockholders, the “Rigetti Holders” and, collectively with the Sponsor, the
Individual Holders, the Rigetti Holders, and any person or entity who hereafter becomes a party to this Agreement pursuant to Section 5.2 or Section 5.10 of this Agreement, the
“Holders” and each, a “Holder”). 
 RECITALS 

WHEREAS, the Company, the Sponsor and certain individuals (the “Individual Holders”) are party to that certain
Registration Rights Agreement, dated as of March 1, 2021 (the “Original RRA”); 
 WHEREAS, the Company
has entered into that certain Agreement and Plan of Merger, dated as of [October 6], 2021 (as it may be amended or supplemented from time to time, the “Merger Agreement”), by and among the Company, Supernova Merger Sub, Inc.,
a Delaware corporation and a direct wholly owned subsidiary of the Company, Supernova Romeo Merger Sub, LLC, a Delaware limited liability company and a direct wholly owned subsidiary of Acquiror and Rigetti; 

WHEREAS, on the date hereof, pursuant to the Merger Agreement, the Rigetti Holders received shares of Domesticated Acquiror Common
Stock, par value $0.0001 per share (the “Common Stock”), of the Company; 
 WHEREAS, on the date hereof,
certain other investors (such other investors, collectively, the “Third Party Investor Stockholders”) purchased an aggregate of [•] shares of Common Stock (the “Investor Shares”) in a transaction
exempt from registration under the Securities Act pursuant to the respective Subscription Agreement, each dated as of [October 6], 2021, entered into by and between the Company and each of the Third Party Investor Stockholders (each, a
“Subscription Agreement” and, collectively, the “Subscription Agreements”); 

WHEREAS, pursuant to Section 5.8 of the Original RRA, the provisions, covenants and conditions set forth therein may be amended or
modified upon the written consent of the Company and the Holders (as defined in the Original RRA) of at least a majority-in-interest of the Registrable Securities (as
defined in the Original RRA) at the time in question, and the Sponsor is the Holder of at least a majority-in-interest of the Registrable Securities (as defined in the
Original RRA) as of the date hereof; and 
 WHEREAS, the Company, the Sponsor and the Individual Holders desire to amend and restate
the Original RRA in its entirety and enter into this Agreement, pursuant to which the Company shall grant the Holders certain registration rights with respect to certain securities of the Company, as set forth in this Agreement. 

NOW, THEREFORE, in consideration of the representations, covenants and agreements contained herein, and certain other good and
valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto, intending to be legally bound, hereby agree as follows: 

ARTICLE I 

DEFINITIONS 
 1.1
Definitions. The terms defined in this Article I shall, for all purposes of this Agreement, have the respective meanings set forth below: 

“Additional Holder” shall have the meaning given in Section 5.10. 

  
 1 

 “Additional Holder Common Stock” shall have the meaning given in
Section 5.10. 
 “Adverse Disclosure” shall mean any public disclosure of material non-public information, which disclosure, in the good faith judgment of the Chief Executive Officer or the Chief Financial Officer of the Company, after consultation with counsel to the Company, (i) would be
required to be made in any Registration Statement or Prospectus in order for the applicable Registration Statement or Prospectus not to contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements
contained therein (in the case of any prospectus and any preliminary prospectus, in the light of the circumstances under which they were made) not misleading, (ii) would not be required to be made at such time if the Registration Statement were
not being filed, declared effective or used, as the case may be and (iii) the Company has a bona fide business purpose for not making such information public. 

“Agreement” shall have the meaning given in the Preamble hereto. 

“Block Trade” shall have the meaning given in Section 2.4.1. 

“Board” shall mean the Board of Directors of the Company. 

“Charter” shall mean the certificate of incorporation of the Company, as it may be amended from time to time.

 “Closing” shall have the meaning given in the Merger Agreement. 

“Closing Date” shall have the meaning given in the Merger Agreement. 

“Commission” shall mean the Securities and Exchange Commission. 

“Common Stock” shall have the meaning given in the Recitals hereto. 

“Company” shall have the meaning given in the Preamble hereto and includes the Company’s successors by
recapitalization, merger, consolidation, spin-off, reorganization or similar transaction. 

“Demanding Holder” shall have the meaning given in Section 2.1.4. 

“Exchange Act” shall mean the Securities Exchange Act of 1934, as it may be amended from time to time. 

“Form S-1 Shelf” shall have the meaning given in
Section 2.1.1. 
 “Form S-3 Shelf” shall have the
meaning given in Section 2.1.1. 
 “Holder Information” shall have the meaning given in
Section 4.1.2. 
 “Holders” shall have the meaning given in the Preamble hereto, for so
long as such person or entity holds any Registrable Securities. 
 “Individual Holders” shall have the meaning given
in the Recitals hereto. 
 “Investor Shares” shall have the meaning given in the Recitals hereto. 

“Joinder” shall have the meaning given in Section 5.10. 

“Lock-up Period” shall mean (a) with respect to the Sponsor, the
Individual Holders and their respective Permitted Transferees, the Lock-up Periods as defined in that certain Sponsor Support Agreement, dated as of October 6, 2021, by and among the Company, Rigetti, the
Sponsor and the other parties thereto (the “Sponsor Support Agreement”) and (b) with respect to the Rigetti Holders and their respective Permitted Transferees, the
Lock-up Period as defined in the Bylaws of the Company. 

  
 2 

 “Maximum Number of Securities” shall have the meaning given in
Section 2.1.5. 
 “Merger Agreement” shall have the meaning given in the Recitals hereto.

 “Minimum Takedown Threshold” shall have the meaning given in Section 2.1.4. 

“Misstatement” shall mean an untrue statement of a material fact or an omission to state a material fact required to
be stated in a Registration Statement or Prospectus or necessary to make the statements in a Registration Statement or Prospectus (in the case of a Prospectus, in the light of the circumstances under which they were made) not misleading. 

“Rigetti” shall have the meaning given in the Preamble hereto. 

“Rigetti Holders” shall have the meaning given in the Preamble hereto. 

“Original RRA” shall have the meaning given in the Recitals hereto. 

“Other Coordinated Offering” shall have the meaning given in Section 2.4.1. 

“Permitted Transferees” shall mean, (a) with respect to the Sponsor and its respective Permitted Transferees,
(i) prior to the expiration of the Lock-up Period, any person or entity to whom such Holder is permitted to transfer such Registrable Securities prior to the expiration of the Lock-up Period pursuant to Section 2.1(b) of the Sponsor Support Agreement and (ii) after the expiration of the Lock-up Period, any person or
entity to whom such Holder is not prohibited from transferring such Registrable Securities, subject to and in accordance with any applicable agreement between such Holder and/or their respective Permitted Transferees and the Company and any
transferee thereafter; (b) with respect to the Rigetti Holders and their respective Permitted Transferees, (i) prior to the expiration of the Lock-up Period, any person or entity to whom such Holder
is permitted to transfer such Registrable Securities prior to the expiration of the Lock-up Period pursuant to Section 42 of the Bylaws of the Company and (ii) after the
expiration of the Lock-up Period, any person or entity to whom such Holder is not prohibited from transferring such Registrable Securities, subject to and in accordance with any applicable agreement between
such Holder and/or their respective Permitted Transferees and the Company and any transferee thereafter; (c) with respect to the Individual Holders and their respective Permitted Transferees, (i) prior to the expiration of the Lock-up Period, any person or entity to whom such Holder is permitted to transfer such Registrable Securities prior to the expiration of the Lock-up Period pursuant to
Section 2.1(b) of the Sponsor Support Agreement, as applicable, and (ii) after the expiration of the Lock-up Period, any person or entity to whom such Holder is not prohibited from transferring such
Registrable Securities, subject to and in accordance with any applicable agreement between such Holder and/or their respective Permitted Transferees and the Company and any transferee thereafter; and (d) with respect to all other Holders and
their respective Permitted Transferees, any person or entity to whom such Holder of Registrable Securities is not prohibited from such Registrable Securities, subject to and in accordance with any applicable agreement between such Holder and/or
their respective Permitted Transferees and the Company and any transferee thereafter. 
 “Piggyback Registration”
shall have the meaning given in Section 2.2.1. 
 “Prospectus” shall mean the prospectus
included in any Registration Statement, as supplemented by any and all prospectus supplements and as amended by any and all post-effective amendments and including all material incorporated by reference in such prospectus. 

“Registrable Security” shall mean (a) any outstanding shares of Common Stock or any other equity security
(including warrants to purchase shares of Common Stock and shares of Common Stock issued or issuable upon the exercise of any other equity security) of the Company held by a Holder immediately following the Closing (including any securities
distributable pursuant to the Merger Agreement); (b) any Additional Holder Common Stock; and (c) any other equity security of the Company or any of its subsidiaries issued or issuable with respect to any securities

  
 3 

 
referenced in clause (a) or (b) above by way of a stock dividend or stock split or in connection with a recapitalization, merger, consolidation,
spin-off, reorganization or similar transaction; provided, however, that, as to any particular Registrable Security, such securities shall cease to be Registrable Securities upon the earliest to
occur of: (A) a Registration Statement with respect to the sale of such securities shall have become effective under the Securities Act and such securities shall have been sold, transferred, disposed of or exchanged in accordance with such
Registration Statement by the applicable Holder; (B) (i) such securities shall have been otherwise transferred (other than to Permitted Transferees), (ii) new certificates for such securities not bearing (or book entry positions not subject to)
a legend restricting further transfer shall have been delivered by the Company and (iii) subsequent public distribution of such securities shall not require registration under the Securities Act; (C) such securities shall have ceased to be
outstanding; (D) such securities may be sold without registration pursuant to Rule 144 or any successor rule promulgated under the Securities Act (but with no volume or other restrictions or limitations including as to manner or timing of
sale); and (E) such securities have been sold to, or through, a broker, dealer or underwriter in a public distribution or other public securities transaction. 

“Registration” shall mean a registration, including any related Shelf Takedown, effected by preparing and filing a
registration statement, Prospectus or similar document in compliance with the requirements of the Securities Act, and the applicable rules and regulations promulgated thereunder, and such registration statement becoming effective. 

“Registration Expenses” shall mean the documented,
out-of-pocket expenses of a Registration, including, without limitation, the following: 

(A) all registration and filing fees (including fees with respect to filings required to be made with the Financial Industry Regulatory
Authority, Inc.) and any national securities exchange on which the Common Stock is then listed; 
 (B) fees and expenses of compliance with
securities or blue sky laws (including reasonable fees and disbursements of outside counsel for the Underwriters in connection with blue sky qualifications of Registrable Securities); 

(C) printing, messenger, telephone and delivery expenses; 

(D) fees and disbursements of counsel for the Company; 

(E) fees and disbursements of all independent registered public accountants of the Company incurred specifically in connection with such
Registration including the expenses of any special audits and/or “cold comfort” letters required by or incident to such performance and compliance; 

(F) reasonable and documented fees and disbursements of counsel (including local and special counsel, to the extent necessary) incurred in
connection with any registration statement or registered offering (including any Registration) covering Registrable Securities; and 
 (G)
in an Underwritten Offering or Other Coordinated Offering, reasonable and documented fees and expenses not to exceed $50,000 in the aggregate for each Registration of one (1) legal counsel selected by the majority-in-interest of the Demanding Holders. 
 “Registration Statement”
shall mean any registration statement that covers Registrable Securities pursuant to the provisions of this Agreement, including the Prospectus included in such registration statement, amendments (including post-effective amendments) and supplements
to such registration statement, and all exhibits to and all material incorporated by reference in such registration statement. 

“Securities Act” shall mean the Securities Act of 1933, as amended from time to time. 

“Shelf” shall mean the Form S-1 Shelf, the Form
S-3 Shelf or any Subsequent Shelf Registration Statement, as the case may be. 

  
 4 

 “Shelf Registration” shall mean a registration of securities
pursuant to a registration statement filed with the Commission in accordance with and pursuant to Rule 415 promulgated under the Securities Act (or any successor rule then in effect). 

“Shelf Takedown” shall mean an Underwritten Shelf Takedown or any proposed transfer or sale using a Registration
Statement, including a Piggyback Registration. 
 “Sponsor” shall have the meaning given in the
Preamble hereto. 
 “Subsequent Shelf Registration Statement” shall have the meaning given in
Section 2.1.2. 
 “Transfer” shall mean the (a) sale or assignment 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 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). 
 “Underwriter” shall mean a securities dealer who purchases any Registrable Securities as principal in an
Underwritten Offering and not as part of such dealer’s market-making activities. 
 “Underwritten Offering”
shall mean a Registration in which securities of the Company are sold to an Underwriter in a firm commitment underwriting for distribution to the public. 

“Underwritten Shelf Takedown” shall have the meaning given in Section 2.1.4. 

“Withdrawal Notice” shall have the meaning given in Section 2.1.6. 

ARTICLE II 

REGISTRATIONS AND OFFERINGS 

2.1 Shelf Registration. 

2.1.1 Filing. Within thirty (30) calendar days following the Closing Date, the Company shall submit to or file with the Commission
a Registration Statement for a Shelf Registration on Form S-1 (the “Form S-1 Shelf”) or a Registration Statement for a Shelf Registration on Form
S-3 (the “Form S-3 Shelf”), if the Company is then eligible to use a Form S-3 Shelf, in each case,
covering the resale of all the Registrable Securities (determined as of two (2) business days prior to such submission or filing) on a delayed or continuous basis and shall use its commercially reasonable efforts to have such Shelf declared
effective as soon as practicable after the filing thereof, but no later than the earlier of (a) the ninetieth (90th) calendar day following the filing date thereof if the Commission notifies the Company that it will “review” the
Registration Statement and (b) the fifth (5th) business day after the date the Company is notified (orally or in writing, whichever is earlier) by the Commission that the Registration Statement will not be “reviewed” or will not be
subject to further review. Such Shelf shall provide for the resale of the Registrable Securities included therein pursuant to any method or combination of methods legally available to, and requested by, any Holder named therein. The Company shall
maintain a Shelf in accordance with the terms hereof, and shall prepare and file with the Commission such amendments, including post-effective amendments, and supplements as may be necessary to keep a Shelf continuously effective, available for use
to permit the Holders named therein to sell their Registrable Securities included therein and in compliance with the provisions of the Securities Act until such time as there are no longer any Registrable Securities. In the event the Company files a
Form S-1 Shelf, the Company shall use its commercially reasonable efforts to (i) convert the Form S-1 Shelf (and any Subsequent Shelf Registration Statement) to a
Form S-3 Shelf or (ii) file a Form S-3 Shelf, as the case may be, in each case, as soon as practicable after the Company is eligible to use Form S-3. The Company’s obligation under this Section 2.1.1, shall, for the avoidance of doubt, be subject to Section 3.4. 

  
 5 

 2.1.2 Subsequent Shelf Registration. If any Shelf ceases to be effective under the
Securities Act for any reason at any time while Registrable Securities are still outstanding, the Company shall, subject to Section 3.4, use its commercially reasonable efforts to as promptly as is reasonably practicable
cause such Shelf to again become effective under the Securities Act (including using its commercially reasonable efforts to obtain the prompt withdrawal of any order suspending the effectiveness of such Shelf), and shall use its commercially
reasonable efforts to as promptly as is reasonably practicable amend such Shelf in a manner reasonably expected to result in the withdrawal of any order suspending the effectiveness of such Shelf or file an additional registration statement as a
Shelf Registration (a “Subsequent Shelf Registration Statement”) registering the resale of all Registrable Securities (determined as of two (2) business days prior to such filing), and pursuant to any method or
combination of methods legally available to, and requested by, any Holder named therein. If a Subsequent Shelf Registration Statement is filed, the Company shall use its commercially reasonable efforts to (i) cause such Subsequent Shelf
Registration Statement to become effective under the Securities Act as promptly as is reasonably practicable after the filing thereof (it being agreed that the Subsequent Shelf Registration Statement shall be an automatic shelf registration
statement (as defined in Rule 405 promulgated under the Securities Act) if the Company is a well-known seasoned issuer (as defined in Rule 405 promulgated under the Securities Act) at the most recent applicable eligibility determination date) and
(ii) keep such Subsequent Shelf Registration Statement continuously effective, available for use to permit the Holders named therein to sell their Registrable Securities included therein and in compliance with the provisions of the Securities
Act until such time as there are no longer any Registrable Securities. Any such Subsequent Shelf Registration Statement shall be on Form S-3 to the extent that the Company is eligible to use such form.
Otherwise, such Subsequent Shelf Registration Statement shall be on another appropriate form. The Company’s obligation under this Section 2.1.2, shall, for the avoidance of doubt, be subject to
Section 3.4. 
 2.1.3 Additional Registrable Securities. Subject to Section 3.4,
in the event that any Holder holds Registrable Securities that are not registered for resale on a delayed or continuous basis, the Company, upon written request of the Sponsor or a Rigetti Holder, shall promptly use its commercially reasonable
efforts to cause the resale of such Registrable Securities to be covered by either, at the Company’s option, any then available Shelf (including by means of a post-effective amendment) or by filing a Subsequent Shelf Registration Statement and
cause the same to become effective as soon as practicable after such filing and such Shelf or Subsequent Shelf Registration Statement shall be subject to the terms hereof; provided, however, that the Company shall only be required to
cause such Registrable Securities to be so covered twice per calendar year for each of the Sponsor and the Rigetti Holders. 
 2.1.4
Requests for Underwritten Shelf Takedowns. Subject to Section 3.4, at any time and from time to time when an effective Shelf is on file with the Commission, the Sponsor or a Rigetti Holder (any of the Sponsor or a
Rigetti Holder being in such case, a “Demanding Holder”) may request to sell all or any portion of its Registrable Securities in an Underwritten Offering that is registered pursuant to the Shelf (each, an
“Underwritten Shelf Takedown”); provided that the Company shall only be obligated to effect an Underwritten Shelf Takedown if such offering shall include Registrable Securities proposed to be sold by the Demanding
Holder, either individually or together with other Demanding Holders, with an anticipated gross aggregate offering price of at least $10 million (the “Minimum Takedown Threshold”). All requests for Underwritten Shelf
Takedowns shall be made by giving written notice to the Company, which shall specify the approximate number of Registrable Securities proposed to be sold in the Underwritten Shelf Takedown. Subject to Section 2.4.4, the
Company shall have the right to select the Underwriters for such offering (which shall consist of one or more reputable nationally recognized investment banks), subject to the initial Demanding Holder’s prior approval (which shall not be
unreasonably withheld, conditioned or delayed). The Sponsor may demand not more than one (1) Underwritten Shelf Takedown and the Rigetti Holders may demand not more than two (2) Underwritten Shelf Takedowns, in each case, pursuant to this
Section 2.1.4 in any twelve (12) month period (such rights, in each such case, a “Demand”). Notwithstanding anything to the contrary in this Agreement, the Company may effect any Underwritten
Offering pursuant to any then effective Registration Statement, including a Form S-3, that is then available for such offering. 

2.1.5 Reduction of Underwritten Offering. If the Underwriter in an Underwritten Shelf Takedown advises the Demanding Holders in writing
that marketing factors require a limitation of the number of shares to be underwritten, then the Demanding Holders shall so advise all Holders of Registrable Securities that would otherwise be underwritten pursuant hereto, and the number of shares
of Registrable Securities that may be included in the underwriting (such maximum number of such securities, the “Maximum Number of Securities”) shall be allocated among all participating Holders thereof, including the
Demanding Holders, in proportion (as nearly as practicable) to the amount of Registrable Securities of the Company owned by each participating Holder; provided, however, that the number of shares of Registrable Securities to be
included in such underwriting shall not be reduced unless all other securities are first entirely excluded from the underwriting. 

  
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 2.1.6 Withdrawal. Prior to the filing of the applicable “red herring”
prospectus or prospectus supplement used for marketing such Underwritten Shelf Takedown, a majority-in-interest of the Demanding Holders initiating an Underwritten Shelf
Takedown shall have the right to withdraw from such Underwritten Shelf Takedown for any or no reason whatsoever upon written notification (a “Withdrawal Notice”) to the Company and the Underwriter or Underwriters (if any) of
their intention to withdraw from such Underwritten Shelf Takedown; provided that the Sponsor or the Rigetti Holders, as applicable, may elect to have the Company continue an Underwritten Shelf Takedown if the Minimum Takedown Threshold would
still be satisfied by the Registrable Securities proposed to be sold in the Underwritten Shelf Takedown by the Sponsor, the Rigetti Holders or any of their respective Permitted Transferees, as applicable. If withdrawn, a demand for an Underwritten
Shelf Takedown shall constitute a demand for an Underwritten Shelf Takedown by the withdrawing Demanding Holder for purposes of Section 2.1.4, unless either (i) such Demanding Holder has not previously withdrawn any
Underwritten Shelf Takedown or (ii) such Demanding Holder reimburses the Company for all Registration Expenses with respect to such Underwritten Shelf Takedown (or, if there is more than one Demanding Holder, a pro rata portion of such
Registration Expenses based on the respective number of Registrable Securities that each Demanding Holder has requested be included in such Underwritten Shelf Takedown); provided that, if the Sponsor or the Rigetti Holders, as applicable,
elect to continue an Underwritten Shelf Takedown pursuant to the proviso in the immediately preceding sentence, such Underwritten Shelf Takedown shall instead count as an Underwritten Shelf Takedown demanded by the Sponsor or such Rigetti Holder, as
applicable, for purposes of Section 2.1.4. Following the receipt of any Withdrawal Notice, the Company shall promptly forward such Withdrawal Notice to any other Holders that had elected to participate in such Shelf
Takedown. Notwithstanding anything to the contrary in this Agreement, the Company shall be responsible for the Registration Expenses incurred in connection with a Shelf Takedown prior to its withdrawal under this
Section 2.1.6, other than if a Demanding Holder elects to pay such Registration Expenses pursuant to clause (ii) of the second sentence of this Section 2.1.6. 

2.2 Piggyback Registration. 

2.2.1 Piggyback Rights. If (but without any obligation to do so) the Company proposes to register (including for this purpose a
registration effected by the Company for holders of capital stock other than the Holders) any of its Common Stock under the Securities Act in connection with the public offering of such securities solely for cash (other than (i) a registration
relating solely to the sale of securities to participants in a Company stock or other benefit plan, (ii) a transaction covered by Rule 145 under the Securities Act, (iii) a registration in which the only stock being registered is Common
Stock issuable upon conversion of debt securities which are also being registered, (iv) for a dividend reinvestment plan or (v) any registration on any form which does not include substantially the same information as would be required to
be included in a registration statement covering the sale of the Registrable Securities), then the Company shall give written notice of such proposed offering to all of the Holders of Registrable Securities as soon as practicable but not less than
ten (10) days before the anticipated filing date of such Registration Statement or, in the case of an Underwritten Offering pursuant to a Shelf Registration, the applicable “red herring” prospectus or prospectus supplement used for
marketing such offering, which notice shall (A) describe the amount and type of securities to be included in such offering, the intended method(s) of distribution, and the name of the proposed managing Underwriter or Underwriters, if any, in
such offering, and (B) offer to all of the Holders of Registrable Securities the opportunity to include in such registered offering such number of Registrable Securities as such Holders may request in writing within five (5) days after
receipt of such written notice (such registered offering, a “Piggyback Registration”). Subject to Section 2.2.2, the Company shall cause such Registrable Securities to be included in such Piggyback
Registration and, if applicable, shall use its commercially reasonable efforts to cause the managing Underwriter or Underwriters of such Piggyback Registration to permit the Registrable Securities requested by the Holders pursuant to this
Section 2.2.1 to be included therein on the same terms and conditions as any similar securities of the Company included in such registered offering and to permit the sale or other disposition of such Registrable Securities
in accordance with the intended method(s) of distribution thereof. The inclusion of any Holder’s Registrable Securities in a Piggyback Registration shall be subject to such Holder agreement to enter into an underwriting agreement in customary
form with the Underwriter(s) selected for such Underwritten Offering. 
 2.2.2 Reduction of Piggyback Registration. If the total
amount of securities, including Registrable Securities, requested by holders of Registrable Securities to be included in such offering exceeds the amount of securities sold other than by the Company that the Underwriters determine in their
reasonable discretion is 

  
 7 

 
compatible with the success of the offering, then the Company shall be required to include in the offering only that number of such securities, including Registrable Securities, which the
underwriters determine in their reasonable discretion will not jeopardize the success of the offering (the securities so included to be apportioned pro rata among the selling security holders according to the total amount of securities entitled to
be included therein owned by each selling security holder or in such other proportions as shall mutually be agreed to by such selling security holders. For purposes of the preceding parenthetical concerning apportionment, for any selling security
holder which is a holder of Registrable Securities and which is a partnership or corporation, the partners, retired partners and holders of capital stock of such holder, or the estates and family members of any such partners and retired partners and
any trusts for the benefit of any of the foregoing persons shall be deemed to be a single “selling security holder,” and any pro-rata reduction with respect to such “selling security
holder” shall be based upon the aggregate number of Registrable Securities owned by all entities and individuals included in such “selling security holder,” as defined in this sentence. 

2.2.3 Piggyback Registration Withdrawal. Any Holder of Registrable Securities (other than a Demanding Holder, whose right to withdraw
from an Underwritten Shelf Takedown, and related obligations, shall be governed by Section 2.1.6) shall have the right to withdraw from a Piggyback Registration for any or no reason whatsoever upon written notification to
the Company and the Underwriter or Underwriters (if any) of his, her or its intention to withdraw from such Piggyback Registration prior to the effectiveness of the Registration Statement filed with the Commission with respect to such Piggyback
Registration or, in the case of a Piggyback Registration pursuant to a Shelf Registration, the filing of the applicable “red herring” prospectus or prospectus supplement with respect to such Piggyback Registration used for marketing such
transaction. The Company (whether on its own good faith determination or as the result of a request for withdrawal by persons or entities pursuant to separate written contractual obligations) may withdraw a Registration Statement filed with the
Commission in connection with a Piggyback Registration (which, in no circumstance, shall include a Shelf) at any time prior to the effectiveness of such Registration Statement. Notwithstanding anything to the contrary in this Agreement (other than
Section 2.1.6), the Company shall be responsible for the Registration Expenses incurred in connection with the Piggyback Registration prior to its withdrawal under this Section 2.2.3. 

2.2.4 Unlimited Piggyback Registration Rights. For purposes of clarity, subject to Section 2.1.6, any
Piggyback Registration effected pursuant to Section 2.2 hereof shall not be counted as a demand for an Underwritten Shelf Takedown under Section 2.1.4 hereof. 

2.3 Market Stand-off. In connection with any Underwritten Offering of equity securities of the
Company (other than a Block Trade or Other Coordinated Offering), if requested by the managing Underwriters, each Holder that is an executive officer, director or Holder in excess of five percent (5%) of the outstanding Common Stock (and for which
it is customary for such a Holder to agree to a lock-up) agrees that it shall not Transfer any shares of Common Stock or other equity securities of the Company (other than those included in such offering
pursuant to this Agreement), without the prior written consent of the Company, during the forty-five (45)-day period (or such shorter time agreed to by the managing Underwriters) beginning on the date of
pricing of such offering, except as expressly permitted by such lock-up agreement or in the event the managing Underwriters otherwise agree by written consent; provided, however, with respect to
the first Underwritten Offering following the Closing, if the managing Underwriters, in their reasonable discretion, advise the Company in writing that a lock-up restriction of a period of forty-five
(45) or fewer days would have a material adverse impact on such Underwritten Offering, then such lock-up restrictions shall be for the number of days such managing Underwriters so advise, not to exceed a
period of ninety (90) days from the date of the pricing of any such Underwritten Offering. Each such Holder agrees to execute a customary lock-up agreement in favor of the Underwriters to such effect (in
each case on substantially the same terms and conditions as all such Holders). 
 2.4 Block Trades; Other Coordinated Offerings. 

2.4.1 Notwithstanding any other provision of this Article II, but subject to Section 3.4, at any time and
from time to time when an effective Shelf is on file with the Commission, if a Demanding Holder wishes to engage in (a) an underwritten registered offering not involving a “roadshow,” an offer commonly known as a “block
trade” (a “Block Trade”) or (b) an “at the market” or similar registered offering through a broker, sales agent or distribution agent, whether as agent or principal, (an “Other Coordinated
Offering”), in each case, with an anticipated aggregate offering price of, either (x) at least $50 million or (y) all remaining Registrable Securities held by the Demanding Holder, then such Demanding Holder only needs to
notify the Company of the Block Trade or Other 

  
 8 

 
Coordinated Offering at least five (5) business days prior to the day such offering is to commence and the Company shall as expeditiously as possible use its commercially reasonable efforts
to facilitate such Block Trade or Other Coordinated Offering; provided that the Demanding Holders representing a majority of the Registrable Securities wishing to engage in the Block Trade or Other Coordinated Offering shall use commercially
reasonable efforts to work with the Company and any Underwriters, brokers, sales agents or placement agents prior to making such request in order to facilitate preparation of the registration statement, prospectus and other offering documentation
related to the Block Trade or Other Coordinated Offering. 
 2.4.2 Prior to the filing of the applicable “red herring” prospectus
or prospectus supplement used in connection with a Block Trade or Other Coordinated Offering, a majority-in-interest of the Demanding Holders initiating such Block Trade
or Other Coordinated Offering shall have the right to submit a Withdrawal Notice to the Company, the Underwriter or Underwriters (if any) and any brokers, sale agents or placement agents (if any) of their intention to withdraw from such Block Trade
or Other Coordinated Offering. Notwithstanding anything to the contrary in this Agreement, the Company shall be responsible for the Registration Expenses incurred in connection with a Block Trade or Other Coordinated Offering prior to its withdrawal
under this Section 2.4.2. 
 2.4.3 Notwithstanding anything to the contrary in this Agreement,
Section 2.2 shall not apply to a Block Trade or Other Coordinated Offering initiated by a Demanding Holder pursuant to this Agreement. 

2.4.4 The Demanding Holder in a Block Trade or Other Coordinated Offering shall have the right to select the Underwriters and any brokers,
sale agents or placement agents (if any) for such Block Trade or Other Coordinated Offering (in each case, which shall consist of one or more reputable nationally recognized investment banks). 

2.4.5 A Holder may demand no more than two (2) Block Trades or Other Coordinated Offerings pursuant to this
Section 2.4 in any twelve (12) month period. For the avoidance of doubt, any Block Trade or Other Coordinated Offering effected pursuant to this Section 2.4 shall not be counted as a demand
for an Underwritten Shelf Takedown pursuant to Section 2.1.4 hereof. 
 ARTICLE III 

COMPANY PROCEDURES 

3.1 General Procedures. In connection with any Shelf and/or Shelf Takedown, the Company shall use its commercially reasonable efforts
to effect such Registration to permit the sale of such Registrable Securities in accordance with the intended plan of distribution thereof (and including all manners of distribution in such Registration Statement as Holders may reasonably request in
connection with the filing of such Registration Statement and as permitted by law, including distribution of Registrable Securities to a Holder’s members, securityholders or partners), and pursuant thereto the Company shall, as expeditiously as
possible: 
 3.1.1 prepare and file with the Commission as soon as practicable a Registration Statement with respect to such Registrable
Securities and use its commercially reasonable efforts to cause such Registration Statement to become effective and remain effective until all Registrable Securities have ceased to be Registrable Securities, in each case, in accordance with
Section 2.1.1; 
 3.1.2 prepare and file with the Commission such amendments and post-effective amendments to the Registration
Statement, and such supplements to the Prospectus, as may be reasonably requested by any Holder that holds at least five percent (5%) of the Registrable Securities registered on such Registration Statement or any Underwriter of Registrable
Securities or as may be required by the rules, regulations or instructions applicable to the registration form used by the Company or by the Securities Act or rules and regulations thereunder to keep the Registration Statement effective until all
Registrable Securities covered by such Registration Statement are sold; 
 3.1.3 prior to filing a Registration Statement or Prospectus, or
any amendment or supplement thereto, furnish without charge to the Underwriters, if any, and the Holders of Registrable Securities included in such Registration, and such Holders’ legal counsel, copies of such Registration Statement as proposed
to be filed, each 

  
 9 

 
amendment and supplement to such Registration Statement (in each case including all exhibits thereto and documents incorporated by reference therein), the Prospectus included in such Registration
Statement (including each preliminary Prospectus), and such other documents as the Underwriters and the Holders of Registrable Securities included in such Registration or the legal counsel for any such Holders may request in order to facilitate the
disposition of the Registrable Securities owned by such Holders; 
 3.1.4 prior to any public offering of Registrable Securities, use its
commercially reasonable efforts to (i) register or qualify the Registrable Securities covered by the Registration Statement under such securities or “blue sky” laws of such jurisdictions in the United States as the Holders of
Registrable Securities included in such Registration Statement (in light of their intended plan of distribution) may request (or provide evidence satisfactory to such Holders that the Registrable Securities are exempt from such registration or
qualification) and (ii) take such action necessary to cause such Registrable Securities covered by the Registration Statement to be registered with or approved by such other governmental authorities as may be necessary by virtue of the business
and operations of the Company and do any and all other acts and things that may be necessary or advisable to enable the Holders of Registrable Securities included in such Registration Statement to consummate the disposition of such Registrable
Securities in such jurisdictions; provided, however, that the Company shall not be required to qualify generally to do business in any jurisdiction where it would not otherwise be required to qualify or take any action to which it
would be subject to general service of process or taxation in any such jurisdiction where it is not then otherwise so subject; 
 3.1.5
cause all such Registrable Securities to be listed on each national securities exchange on which similar securities issued by the Company are then listed; 

3.1.6 provide a transfer agent or warrant agent, as applicable, and registrar for all such Registrable Securities no later than the effective
date of such Registration Statement; 
 3.1.7 advise each seller of such Registrable Securities, promptly after it shall receive notice or
obtain knowledge thereof, of the issuance of any stop order by the Commission suspending the effectiveness of such Registration Statement or the initiation or threatening of any proceeding for such purpose and promptly use its commercially
reasonable efforts to prevent the issuance of any stop order or to obtain its withdrawal if such stop order should be issued; 
 3.1.8 at
least five (5) days prior to the filing of any Registration Statement or Prospectus or any amendment or supplement to such Registration Statement or Prospectus (or such shorter period of time as may be (a) necessary in order to comply with
the Securities Act, the Exchange Act, and the rules and regulations promulgated under the Securities Act or Exchange Act, as applicable or (b) advisable in order to reduce the number of days that sales are suspended pursuant to
Section 3.4), furnish a copy thereof to each seller of such Registrable Securities or its counsel (excluding any exhibits thereto and any filing made under the Exchange Act that is to be incorporated by reference therein);

 3.1.9 notify the Holders at any time when a Prospectus relating to such Registration Statement is required to be delivered under the
Securities Act, of the happening of any event as a result of which the Prospectus included in such Registration Statement, as then in effect, includes a Misstatement, and then to correct such Misstatement as set forth in
Section 3.4; 
 3.1.10 in the event of an Underwritten Offering, a Block Trade, an Other Coordinated Offering, or
sale by a broker, placement agent or sales agent pursuant to such Registration, permit a representative of the Holders, the Underwriters or other financial institutions facilitating such Underwritten Offering, Block Trade, Other Coordinated Offering
or other sale pursuant to such Registration, if any, and any attorney, consultant or accountant retained by such Holders or Underwriter to participate, at each such person’s or entity’s own expense, in the preparation of the Registration
Statement, and cause the Company’s officers, directors and employees to supply all information reasonably requested by any such representative, Underwriter, financial institution, attorney, consultant or accountant in connection with the
Registration; provided, however, that such representatives, Underwriters or financial institutions agree to confidentiality arrangements in form and substance reasonably satisfactory to the Company, prior to the release or disclosure
of any such information; 

  
 10 

 3.1.11 obtain a “cold comfort” letter from the Company’s independent
registered public accountants in the event of an Underwritten Offering, a Block Trade, an Other Coordinated Offering or sale by a broker, placement agent or sales agent pursuant to such Registration (subject to such broker, placement agent or sales
agent providing such certification or representation reasonably requested by the Company’s independent registered public accountants and the Company’s counsel) in customary form and covering such matters of the type customarily covered by
“cold comfort” letters as the managing Underwriter may reasonably request, and reasonably satisfactory to a majority-in-interest of the participating Holders;

 3.1.12 in the event of an Underwritten Offering, a Block Trade, an Other Coordinated Offering or sale by a broker, placement agent or
sales agent pursuant to such Registration, on the date the Registrable Securities are delivered for sale pursuant to such Registration, obtain an opinion, dated such date, of counsel representing the Company for the purposes of such Registration,
addressed to the participating Holders, the broker, placement agents or sales agent, if any and the Underwriters, if any, covering such legal matters with respect to the Registration in respect of which such opinion is being given as the
participating Holders, broker, placement agent, sales agent or Underwriter may reasonably request and as are customarily included in such opinions and negative assurance letters, as applicable; 

3.1.13 in the event of any Underwritten Offering, a Block Trade, an Other Coordinated Offering or sale by a broker, placement agent or sales
agent pursuant to such Registration, enter into and perform its obligations under an underwriting or other purchase or sales agreement, in usual and customary form, with the managing Underwriter or the broker, placement agent or sales agent of such
offering or sale; 
 3.1.14 make available to its security holders, as soon as reasonably practicable, an earnings statement covering the
period of at least twelve (12) months beginning with the first day of the Company’s first full calendar quarter after the effective date of the Registration Statement which satisfies the provisions of Section 11(a) of the Securities
Act and Rule 158 thereunder (or any successor rule then in effect); 
 3.1.15 with respect to an Underwritten Offering pursuant to
Section 2.1.4, use its commercially reasonable efforts to make available senior executives of the Company to participate in customary “road show” presentations that may be reasonably requested by the Underwriter
in such Underwritten Offering; and 
 3.1.16 otherwise, in good faith, cooperate reasonably with, and take such customary actions as may
reasonably be requested by the participating Holders, consistent with the terms of this Agreement, in connection with such Registration. 

Notwithstanding the foregoing, the Company shall not be required to provide any documents or information to an Underwriter or broker, sales
agent or placement agent if such Underwriter or broker, sales agent or placement agent has not then been named with respect to the applicable Underwritten Offering or other offering involving a registration as an Underwriter or broker, sales agent
or placement agent, as applicable. 
 3.2 Registration Expenses. The Registration Expenses of all Registrations shall be borne by the
Company. It is acknowledged by the Holders that the Holders shall bear all incremental selling expenses relating to the sale of Registrable Securities, such as Underwriters’ commissions and discounts, brokerage fees, Underwriter marketing costs
and, other than as set forth in the definition of “Registration Expenses,” all fees and expenses of any legal counsel representing the Holders. 

3.3 Requirements for Participation in Registration Statement in Offerings. Notwithstanding anything in this Agreement to the contrary,
if any Holder does not provide the Company with its requested Holder Information, the Company may exclude such Holder’s Registrable Securities from the applicable Registration Statement or Prospectus if the Company determines, based on the
advice of counsel, that such information is necessary to effect the registration and such Holder continues thereafter to withhold such information. No person or entity may participate in any Underwritten Offering or other offering for equity
securities of the Company pursuant to a Registration initiated by the Company hereunder unless such person or entity (i) agrees to sell such person’s or entity’s securities on the basis provided in any underwriting, sales,
distribution or placement arrangements approved by the Company and (ii) completes and executes all customary questionnaires, powers of attorney, indemnities, lock-up agreements, underwriting or other
agreements and other customary documents as may be reasonably required under the terms of such underwriting, sales, distribution or placement arrangements. The exclusion of a Holder’s Registrable Securities as a result of this
Section 3.3 shall not affect the registration of the other Registrable Securities to be included in such Registration. 

  
 11 

 3.4 Suspension of Sales; Adverse Disclosure; Restrictions on Registration Rights.

 3.4.1 Upon receipt of written notice from the Company that a Registration Statement or Prospectus contains a Misstatement, each of the
Holders shall forthwith discontinue disposition of Registrable Securities until it has received copies of a supplemented or amended Prospectus correcting the Misstatement (it being understood that the Company hereby covenants to prepare and file
such supplement or amendment as soon as practicable after the time of such notice), or until it is advised in writing by the Company that the use of the Prospectus may be resumed. 

3.4.2 If the filing, initial effectiveness or continued use of a Registration Statement in respect of any Registration at any time would
(a) require the Company to make an Adverse Disclosure, (b) require the inclusion in such Registration Statement of financial statements that are unavailable to the Company for reasons beyond the Company’s control or (c) in the
good faith judgment of the Board, be seriously detrimental to the Company and its holders of capital stock and it is therefore essential to defer such filing, initial effectiveness or continued use at such time, the Company shall have the right,
upon giving prompt written notice of such action to the Holders (which notice shall not specify the nature of the event giving rise to such delay or suspension), delay the filing or initial effectiveness of, or suspend use of, such Registration
Statement for the shortest period of time determined in good faith by the Company to be necessary for such purpose. In the event the Company exercises its rights under this Section 3.4.2, the Holders agree to suspend,
immediately upon their receipt of the notice referred to above, their use of the Prospectus relating to any Registration in connection with any sale or offer to sell Registrable Securities until such Holder receives written notice from the Company
that such sales or offers of Registrable Securities may be resumed, and in each case maintain the confidentiality of such notice and its contents. 

3.4.3 (a) During the period starting with the date ninety (90) days prior to the Company’s good faith estimate of the date of the
filing of, and ending on a date ninety (90) days after the effective date of, a Company-initiated Registration and provided that the Company continues to actively employ, in good faith, all reasonable efforts to maintain the effectiveness of
the applicable Shelf Registration Statement, or (b) if, pursuant to Section 2.1.4, Holders have requested an Underwritten Shelf Takedown and the Company and Holders are unable to obtain the commitment of Underwriters
to firmly underwrite such offering, the Company may, upon giving prompt written notice of such action to the Holders, delay any other registered offering pursuant to Section 2.1.4 or 2.4 for not more than ninety
(90) consecutive calendar days or more than one hundred twenty (120) total calendar days in each case during any twelve (12)-month period. 

3.5 Reporting Obligations. As long as any Holder shall own Registrable Securities, the Company, at all times while it shall be a
reporting company under the Exchange Act, covenants to file timely (or obtain extensions in respect thereof and file within the applicable grace period) all reports required to be filed by the Company after the date hereof pursuant to Sections 13(a)
or 15(d) of the Exchange Act and to promptly furnish the Holders with true and complete copies of all such filings; provided that any documents publicly filed or furnished with the Commission pursuant to the Electronic Data Gathering,
Analysis and Retrieval System shall be deemed to have been furnished or delivered to the Holders pursuant to this Section 3.5. The Company further covenants that it shall take such further action as any Holder may
reasonably request, all to the extent required from time to time to enable such Holder to sell shares of Common Stock held by such Holder without registration under the Securities Act within the limitation of the exemptions provided by Rule 144
promulgated under the Securities Act (or any successor rule then in effect). Upon the request of any Holder, the Company shall deliver to such Holder a written certification of a duly authorized officer as to whether it has complied with such
requirements. 

  
 12 

 ARTICLE IV 

INDEMNIFICATION AND CONTRIBUTION 

4.1 Indemnification. 

4.1.1 The Company agrees to indemnify, to the extent permitted by law, each Holder of Registrable Securities, its officers, managers,
directors, affiliates, and agents and each person or entity who controls such Holder (within the meaning of the Securities Act), against all losses, claims, damages, liabilities and
out-of-pocket expenses (including, without limitation, reasonable outside attorneys’ fees) caused by, resulting from, arising out of or based upon any untrue or
alleged untrue statement of material fact contained in or incorporated by reference in any Registration Statement, Prospectus or preliminary Prospectus or any amendment thereof or supplement thereto or any omission or alleged omission of a material
fact required to be stated therein or necessary to make the statements therein, in the case of the Prospectus or preliminary Prospectus in the light of the circumstances under which they were made, not misleading, except insofar as the same are
caused by or contained in any information or affidavit so furnished in writing to the Company by or on behalf of such Holder expressly for use therein. The Company shall indemnify the Underwriters, their officers and directors and each person or
entity who controls such Underwriters (within the meaning of the Securities Act) to the same extent as provided in the foregoing with respect to the indemnification of the Holder. 

4.1.2 In connection with any Registration Statement in which a Holder of Registrable Securities is participating, such Holder shall furnish
(or cause to be furnished) to the Company in writing such information and affidavits as the Company reasonably requests for use in connection with any such Registration Statement, Prospectus or preliminary Prospectus (the “Holder
Information”) and, to the extent permitted by law, shall indemnify the Company, its officers, managers, directors, affiliates and agents and each person or entity who controls the Company (within the meaning of the Securities Act)
against all losses, claims, damages, liabilities and out-of-pocket expenses (including, without limitation, reasonable outside attorneys’ fees) resulting from any
untrue or alleged untrue statement of material fact contained or incorporated by reference in any Registration Statement, Prospectus or preliminary Prospectus or any amendment thereof or supplement thereto or any omission or alleged omission of a
material fact required to be stated therein or necessary to make the statements therein, in the case of the Prospectus or preliminary Prospectus in the light of the circumstances under which they were made, not misleading, but only to the extent
that such untrue statement or omission is contained in (or not contained in, in the case of an omission) any information or affidavit so furnished in writing by or on behalf of such Holder expressly for use therein; provided, however,
that the obligation to indemnify shall be several, not joint and several, among such Holders of Registrable Securities, and the liability of each such Holder of Registrable Securities shall be in proportion to and limited to the net proceeds
received by such Holder from the sale of Registrable Securities pursuant to such Registration Statement. The Holders of Registrable Securities shall indemnify the Underwriters, their officers, directors and each person or entity who controls such
Underwriters (within the meaning of the Securities Act) to the same extent as provided in the foregoing with respect to indemnification of the Company. 

4.1.3 Any person or entity entitled to indemnification herein shall (i) give prompt written notice to the indemnifying party of any claim
with respect to which it seeks indemnification (provided that the failure to give prompt notice shall not impair any person’s or entity’s right to indemnification hereunder to the extent such failure has not materially prejudiced the
indemnifying party) and (ii) unless in such indemnified party’s reasonable judgment a conflict of interest between such indemnified and indemnifying parties may exist with respect to such claim, permit such indemnifying party to assume the
defense of such claim with counsel reasonably satisfactory to the indemnified party. If such defense is assumed, the indemnifying party shall not be subject to any liability for any settlement made by the indemnified party without its consent (but
such consent shall not be unreasonably withheld). An indemnifying party who is not entitled to, or elects not to, assume the defense of a claim shall not be obligated to pay the fees and expenses of more than one counsel for all parties indemnified
by such indemnifying party with respect to such claim, unless in the reasonable judgment of any indemnified party a conflict of interest may exist between such indemnified party and any other of such indemnified parties with respect to such claim.
No indemnifying party shall, without the consent of the indemnified party, consent to the entry of any judgment or enter into any settlement which cannot be settled in all respects by the payment of money (and such money is so paid by the
indemnifying party pursuant to the terms of such settlement) or which settlement includes a statement or admission of fault and culpability on the part of such indemnified party or which settlement does not include as an unconditional term thereof
the giving by the claimant or plaintiff to such indemnified party of a release from all liability in respect to such claim or litigation. 

4.1.4 The indemnification provided for under this Agreement shall remain in full force and effect regardless of any investigation made by or
on behalf of the indemnified party or any officer, director or controlling person or entity of such indemnified party and shall survive the transfer of securities. The Company and each Holder of Registrable Securities participating in an offering
also agrees to make such provisions as are reasonably requested by any indemnified party for contribution to such party in the event the Company’s or such Holder’s indemnification is unavailable for any reason. 

  
 13 

 4.1.5 If the indemnification provided under Section 4.1 from the
indemnifying party is unavailable or insufficient to hold harmless an indemnified party in respect of any losses, claims, damages, liabilities and out-of-pocket expenses
referred to herein, then the indemnifying party, in lieu of indemnifying the indemnified party, shall contribute to the amount paid or payable by the indemnified party as a result of such losses, claims, damages, liabilities and out-of-pocket expenses in such proportion as is appropriate to reflect the relative fault of the indemnifying party and the indemnified party, as well as any other relevant
equitable considerations. The relative fault of the indemnifying party and indemnified party shall be determined by reference to, among other things, whether any action in question, including any untrue or alleged untrue statement of a material fact
or omission or alleged omission to state a material fact, was made by (or not made by, in the case of an omission), or relates to information supplied by (or not supplied by in the case of an omission), such indemnifying party or indemnified party,
and the indemnifying party’s and indemnified party’s relative intent, knowledge, access to information and opportunity to correct or prevent such action; provided, however, that the liability of any Holder under this
Section 4.1.5 shall be limited to the amount of the net proceeds received by such Holder in such offering giving rise to such liability. The amount paid or payable by a party as a result of the losses or other liabilities
referred to above shall be deemed to include, subject to the limitations set forth in Sections 4.1.1, 4.1.2 and 4.1.3 above, any legal or other fees, charges or
out-of-pocket expenses reasonably incurred by such party in connection with any investigation or proceeding. The parties hereto agree that it would not be just and
equitable if contribution pursuant to this Section 4.1.5 were determined by pro rata allocation or by any other method of allocation, which does not take account of the equitable considerations referred to in this
Section 4.1.5. No person or entity guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of the Securities Act) shall be entitled to contribution pursuant to this
Section 4.1.5 from any person or entity who was not guilty of such fraudulent misrepresentation. 
 ARTICLE V

 MISCELLANEOUS 

5.1 Notices. Any notice or communication under this Agreement must be in writing and given by (i) deposit in the United States
mail, addressed to the party to be notified, postage prepaid and registered or certified with return receipt requested, (ii) delivery in person or by courier service providing evidence of delivery, or (iii) transmission by hand delivery,
electronic mail or facsimile. Each notice or communication that is mailed, delivered, or transmitted in the manner described above shall be deemed sufficiently given, served, sent, and received, in the case of mailed notices, on the third business
day following the date on which it is mailed and, in the case of notices delivered by courier service, hand delivery, electronic mail or facsimile, at such time as it is delivered to the addressee (with the delivery receipt or the affidavit of
messenger) or at such time as delivery is refused by the addressee upon presentation. Any notice or communication under this Agreement must be addressed, if to the Company, to: Rigetti Computing, Inc., 775 Heinz Avenue, Berkeley, CA 94710,
Attention: General Counsel, Email: rick@rigetti.com, and, if to any Holder, at such Holder’s address, electronic mail address or facsimile number as set forth in the Company’s books and records. Any party may change its address for notice
at any time and from time to time by written notice to the other parties hereto, and such change of address shall become effective thirty (30) days after delivery of such notice as provided in this Section 5.1. 

5.2 Assignment; No Third Party Beneficiaries. 

5.2.1 This Agreement and the rights, duties and obligations of the Company hereunder may not be assigned or delegated by the Company in whole
or in part. 
 5.2.2 Subject to Section 5.2.4 and Section 5.2.5, this Agreement and the
rights, duties and obligations of a Holder hereunder may be assigned in whole or in part to such Holder’s Permitted Transferees; provided, that, with respect to the Rigetti Holders and the Sponsor, the rights hereunder that are personal
to such Holders may not be assigned or delegated in whole or in part, except that (w) each of the Rigetti Holders shall be permitted to transfer its rights hereunder as such Rigetti Holders to one or more affiliates or any direct or indirect
partners, members or equity holders of such Rigetti Holder (it being understood that no such transfer shall reduce any rights of such Rigetti Holder or such transferees) and (x) the Sponsor shall be permitted to transfer its rights hereunder as
the Sponsor to one or more Permitted Transferees of the Sponsor (it being understood that no such transfer shall reduce any rights of the Sponsor or such transferees. 

  
 14 

 5.2.3 This Agreement and the provisions hereof shall be binding upon and shall inure to the
benefit of each of the parties and its successors and the permitted assigns of the Holders, which shall include Permitted Transferees. 

5.2.4 This Agreement shall not confer any rights or benefits on any persons or entities that are not parties hereto, other than as expressly
set forth in this Agreement and Section 5.2. 
 5.2.5 No assignment by any party hereto of such party’s
rights, duties and obligations hereunder shall be binding upon or obligate the Company unless and until the Company shall have received (i) written notice of such assignment as provided in Section 5.1 hereof and
(ii) the written agreement of the assignee, in a form reasonably satisfactory to the Company, to be bound by the terms and provisions of this Agreement (which may be accomplished by an addendum or certificate of joinder to this Agreement). Any
transfer or assignment made other than as provided in this Section 5.2 shall be null and void. 
 5.3
Counterparts. This Agreement may be executed in multiple counterparts (including facsimile or PDF counterparts), each of which shall be deemed an original, and all of which together shall constitute the same instrument, but only one of which
need be produced. The words “execution,” “signed,” “signature,” “delivery,” and words of like import in or relating to this Agreement or any document to be signed in connection with this Agreement shall be
deemed to include electronic signatures, deliveries or the keeping of records in electronic form, each of which shall be of the same legal effect, validity or enforceability as a manually executed signature, physical delivery thereof or the use of a
paper-based recordkeeping system, as the case may be, and the parties hereto consent to conduct the transactions contemplated hereunder by electronic means. 

5.4 Governing Law; Venue. NOTWITHSTANDING THE PLACE WHERE THIS AGREEMENT MAY BE EXECUTED BY ANY OF THE PARTIES HERETO, THE PARTIES
EXPRESSLY AGREE THAT (1) THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED UNDER THE LAWS OF THE STATE OF NEW YORK AND (2) THE VENUE FOR ANY ACTION TAKEN WITH RESPECT TO THIS AGREEMENT SHALL BE ANY STATE OR FEDERAL COURT IN NEW YORK COUNTY
IN THE STATE OF NEW YORK. 
 5.5 TRIAL BY JURY. EACH PARTY HERETO ACKNOWLEDGES AND AGREES THAT ANY CONTROVERSY WHICH MAY ARISE UNDER
THIS AGREEMENT IS LIKELY TO INVOLVE COMPLICATED AND DIFFICULT ISSUES, AND, THEREFORE, EACH SUCH PARTY HEREBY IRREVOCABLY AND UNCONDITIONALLY WAIVES TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY RIGHT SUCH PARTY MAY HAVE TO A TRIAL BY JURY
IN RESPECT TO ANY ACTION DIRECTLY OR INDIRECTLY ARISING OUT OF, UNDER OR IN CONNECTION WITH OR RELATING TO THIS AGREEMENT OR THE TRANSACTIONS CONTEMPLATED BY THIS AGREEMENT. 

5.6 Amendments and Modifications. Upon the written consent of (a) the Company and (b) the Holders of a majority of the total
Registrable Securities, compliance with any of the provisions, covenants and conditions set forth in this Agreement may be waived, or any of such provisions, covenants or conditions may be amended or modified; provided, however, that
notwithstanding the foregoing, any amendment hereto or waiver hereof shall also require the written consent of each Holder so long as such Holder and its affiliates hold, in the aggregate, at least five percent (5%) of the outstanding shares of
Common Stock of the Company; and provided, further, that any amendment hereto or waiver hereof that adversely affects one Holder, solely in its capacity as a holder of the shares of capital stock of the Company, in a manner that is
materially different from the other Holders (in such capacity) shall require the consent of the Holder so affected. No course of dealing between any Holder or the Company and any other party hereto or any failure or delay on the part of a Holder or
the Company in exercising any rights or remedies under this Agreement shall operate as a waiver of any rights or remedies of any Holder or the Company. No single or partial exercise of any rights or remedies under this Agreement by a party shall
operate as a waiver or preclude the exercise of any other rights or remedies hereunder or thereunder by such party. 

  
 15 

 5.7 Other Registration Rights. Other than (i) the Third Party Investor
Stockholders who have registration rights with respect to their Investor Shares pursuant to their respective Subscription Agreements and (ii) as provided in the Warrant Agreement, dated as of March 1, 2021, between the Company and American
Stock Transfer & Trust Company, LLC, the Company represents and warrants that no person or entity, other than a Holder of Registrable Securities, has any right to require the Company to register any securities of the Company for sale or to
include such securities of the Company in any Registration Statement filed by the Company for the sale of securities for its own account or for the account of any other person or entity. For so long as any Rigetti Holder and such Holder’s
affiliates hold, in the aggregate, at least five percent (5%) of the outstanding shares of Common Stock of the Company, the Company hereby agrees and covenants that it will not grant rights to register any Common Stock (or securities convertible
into or exchangeable for Common Stock) under the Securities Act pursuant to which such grantee would have more favorable Demands or treatment with respect to pro rata reduction than those granted to the Rigetti Holders hereunder without the prior
written consent of such Rigetti Holder. 
 5.8 Term. This Agreement shall terminate on the earlier of (a) the fifth anniversary
of the date of this Agreement or (b) with respect to any Holder, on the date that such Holder no longer holds any Registrable Securities. The provisions of Section 3.5 and Article IV shall survive any
termination. 
 5.9 Holder Information. Each Holder agrees, if requested in writing, to represent to the Company the total number of
Registrable Securities held by such Holder in order for the Company to make determinations hereunder. 
 5.10 Additional Holders;
Joinder. In addition to persons or entities who may become Holders pursuant to Section 5.2 hereof, subject to the prior written consent of each of the Holders of a majority of the total Registrable Securities (in each
case, so long as such Holder and its affiliates hold, in the aggregate, at least five percent (5%) of the outstanding shares of Common Stock of the Company), the Company may make any person or entity who acquires Common Stock or rights to acquire
Common Stock after the date hereof a party to this Agreement (each such person or entity, an “Additional Holder”) by obtaining an executed joinder to this Agreement from such Additional Holder in the form of Exhibit A
attached hereto (a “Joinder”). Such Joinder shall specify the rights and obligations of the applicable Additional Holder under this Agreement. Upon the execution and delivery and subject to the terms of a Joinder by such
Additional Holder, the Common Stock of the Company then owned, or underlying any rights then owned, by such Additional Holder (the “Additional Holder Common Stock”) shall be Registrable Securities to the extent provided
herein and therein and such Additional Holder shall be a Holder under this Agreement with respect to such Additional Holder Common Stock. 

5.11 Severability. It is the desire and intent of the parties that the provisions of this Agreement be enforced to the fullest extent
permissible under the laws and public policies applied in each jurisdiction in which enforcement is sought. Accordingly, if any particular provision of this Agreement shall be adjudicated by a court of competent jurisdiction to be invalid,
prohibited or unenforceable for any reason, such provision, as to such jurisdiction, shall be ineffective, without invalidating the remaining provisions of this Agreement or affecting the validity or enforceability of this Agreement or affecting the
validity or enforceability of such provision in any other jurisdiction. Notwithstanding the foregoing, if such provision could be more narrowly drawn so as not to be invalid, prohibited or unenforceable in such jurisdiction, it shall, as to such
jurisdiction, be so narrowly drawn, without invalidating the remaining provisions of this Agreement or affecting the validity or enforceability of such provision in any other jurisdiction. 

5.12 Entire Agreement; Restatement. This Agreement constitutes the full and entire agreement and understanding between the parties with
respect to the subject matter hereof and supersedes all prior agreements and understandings relating to such subject matter. Upon the Closing, the Original RRA shall no longer be of any force or effect. 

[SIGNATURE PAGES FOLLOW] 

  
 16 

 IN WITNESS WHEREOF, the undersigned have caused this Agreement to be executed as of
the date first written above. 
  

			
	COMPANY:
	
	 Rigetti Computing, Inc.
 a
Delaware corporation

		
	By:	 	 
		 	Name: [•]
		 	Title: [•]

  

			
	HOLDERS:
	
	 Supernova Partners II LLC
 a
Cayman Islands limited liability company

		
	By:	 	 
		 	Name: Michael Clifton
		 	Title: Chief Financial Officer

  

			
		
	By:	 	 
		 	Name: [•]
		 	Title: [•]

  

			
	[•]
		
	By:	 	 
		 	Name: [•]
		 	Title: [•]

  

			
	[•]
		
	By:	 	 
		 	Name: [•]
		 	Title: [•]

  
 [Signature Page to
Amended and Restated Registration Rights Agreement] 

 Exhibit A 

REGISTRATION RIGHTS AGREEMENT JOINDER 

The undersigned is executing and delivering this joinder (this “Joinder”) pursuant to the Amended and Restated
Registration Rights Agreement, dated as of [October 6], 2021 (as the same may hereafter be amended, the “Registration Rights Agreement”), among Rigetti Computing, Inc., a Delaware corporation (the
“Company”), and the other persons or entities named as parties therein. Capitalized terms used but not otherwise defined herein shall have the meanings provided in the Registration Rights Agreement. 

By executing and delivering this Joinder to the Company, and upon acceptance hereof by the Company upon the execution of a counterpart hereof,
the undersigned hereby agrees to become a party to, to be bound by, and to comply with the Registration Rights Agreement as a Holder of Registrable Securities in the same manner as if the undersigned were an original signatory to the Registration
Rights Agreement, and the undersigned’s shares of Common Stock shall be included as Registrable Securities under the Registration Rights Agreement to the extent provided therein; provided, however, that the undersigned and its
permitted assigns (if any) shall not have any rights as Holders, and the undersigned’s (and its transferees’) shares of Common Stock shall not be included as Registrable Securities, for purposes of the Excluded Sections. 

For purposes of this Joinder, “Excluded Sections” shall mean [ ]. 

Accordingly, the undersigned has executed and delivered this Joinder as of the __________ day of __________, 20__. 

 

			
	Signature of Stockholder
	
	   

	Print Name of Stockholder
	Its:

 
			
		
	Address:	 	 

 
			
	 

 Agreed and Accepted as of 

____________, 20__ 
 [________] 

 

			
	By:	 	 

			
	Name:	 	
	Its:

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