Document:

Exhibit 4.1

 

AMENDED AND RESTATED WARRANT AGREEMENT

 

This AMENDED AND RESTATED
WARRANT AGREEMENT (this “Agreement”) is made as of [___], 2022 by and between Hub Cyber Security Israel Ltd., a company
organized under the laws of the State of Israel (the “Company”), Mount Rainier Acquisition Corp., a Delaware corporation,
with offices at 256 W. 38th Street, 15th Floor, New York, NY 10018 (“RNER”), and American Stock Transfer & Trust
Company, LLC, a New York limited purpose trust company, with offices at 6201 15th Avenue, Brooklyn, NY 11219, as warrant agent (“Warrant
Agent”).

 

WHEREAS, RNER and the
Warrant Agent are parties to that certain Warrant Agreement, dated as of October 4, 2021 (the “Existing Warrant Agreement”);

 

WHEREAS, in accordance
with Section 9.8 of the Existing Warrant Agreement, RNER and the Warrant Agent agree to amend and restate the Existing Warrant Agreement
in its entirety as contemplated hereunder;

 

WHEREAS, RNER issued
17,846,200 warrants as part of its initial public offering, including (i) 17,250,000 warrants sold by RNER to the public (the “Public
Warrants”) and (ii) 596,200 warrants (the “Private Placement Warrants” and, together with the Public Warrants,
the “RNER Warrants”) sold by RNER to DC Rainier SPV, LLC, a Delaware limited liability company, and certain executive
officers of RNER, in each case, on the terms and conditions set forth in the Existing Warrant Agreement;

 

WHEREAS, on March 23,
2022, the Company, Rover Merger Sub Inc., a Delaware corporation and a direct, wholly-owned subsidiary of the Company (“Merger
Sub”), and RNER entered into that certain Business Combination Agreement (the “Business Combination Agreement”);

 

WHEREAS, upon the terms
and subject to the conditions of the Business Combination Agreement, Merger Sub will merge with and into RNER (the “Merger”),
with RNER surviving the Merger as a direct, wholly owned subsidiary of the Company;

 

WHEREAS, the Board
of Directors of RNER has determined that the consummation of the transactions contemplated by the Business Combination Agreement will
constitute a reorganization as referred to in Section 4.5 of the Existing Warrant Agreement;

 

WHEREAS, upon the consummation
of the Merger, in accordance with Section 4.5 of the Existing Warrant Agreement (i) the Public Warrants and the Private Placement Warrants
issued thereunder will no longer be exercisable for shares of common stock, par value $0.0001 per share, of RNER (the “RNER Common
Shares”) but instead will be exercisable (subject to the terms and conditions of this Agreement) for ordinary shares, no par
value per share, of the Company (the “Ordinary Shares”) subject to adjustment as described herein (such warrants as
so adjusted and amended, the “Warrants”) and (ii) the Warrants shall be assumed by the Company;

 

WHEREAS, the Company
desires the Warrant Agent to act on behalf of the Company, and the Warrant Agent is willing to so act, in connection with the issuance,
registration, transfer, exchange, redemption and exercise of the Warrants;

 

WHEREAS, the Company
desires to provide for the form, terms and provisions of the Warrants, the terms upon which they shall be issued and exercised, and the
respective rights, limitation of rights, and immunities of the Company, the Warrant Agent, and the holders of the Warrants; and

 

     

     

    

 

WHEREAS, all acts and
things have been done and performed that are necessary to make the Warrants, when executed on behalf of the Company and countersigned
by or on behalf of the Warrant Agent, as provided herein, the valid, binding and legal obligations of the Company, and to authorize the
execution and delivery of this Agreement.

 

NOW, THEREFORE, in
consideration of the mutual agreements herein contained, the parties hereto agree to amend and restate the Existing Warrant Agreement
in its entirety as follows:

 

1.             
Assignment and Assumption. RNER hereby assigns to the Company all of RNER’s rights,
title and interests in and to the Existing Warrant Agreement and the RNER Warrants (each as amended hereby) as of the effective time of
the Merger (the “Effective Time”). The Company hereby assumes, and agrees to pay, perform, satisfy and discharge in
full, as the same become due, all of RNER’s liabilities and obligations under the Existing Warrant Agreement and the RNER Warrants
(each as amended hereby) arising from and after the Effective Time.

 

2.            
Consent. The Warrant Agent hereby consents to the assignment of the Existing Warrant Agreement
and the Warrants by RNER to the Company pursuant to Section 1 hereof, effective as of the Effective Time, the assumption of the
RNER Warrants by the Company from RNER pursuant to Section 1 hereof, effective as of the Effective Time, and the continuation of
the Warrants in full force and effect from and after the Effective Time, subject at all times to this Agreement (each as amended hereby)
and to all of the provisions, covenants, agreements, terms and conditions of this Agreement.

 

3.            
Appointment of Warrant Agent. The Company hereby appoints the Warrant Agent to act as agent
for the Company for the Warrants, and the Warrant Agent hereby accepts such appointment and agrees to perform the same in accordance with
the terms and conditions set forth in this Agreement.

 

4.             
Warrants.

 

4.1             
Form of Warrant. Each Warrant shall be issued in registered form only, shall be in substantially
the form of Exhibit A hereto, the provisions of which are incorporated herein, and shall be signed by, or bear the electronic signature
of, the chairman of the board of directors of the Company (the “Board”), Chief Executive Officer [or Treasurer, Secretary
or Assistant Secretary of the Company]1 and shall bear the
Company’s seal, if any. In the event the person whose electronic signature has been placed upon any Warrant shall have ceased to
serve in the capacity in which such person signed the Warrant before such Warrant is issued, it may be issued with the same effect as
if he or she had not ceased to be such at the date of issuance.

 

4.2             
Effect of Countersignature. Except with respect to uncertificated Warrants as described above,
unless and until countersigned by the Warrant Agent pursuant to this Agreement, a Warrant shall be invalid and of no effect and may not
be exercised by the holder thereof.

 

 

1
Note to Draft: To conform to the list of officers of the Company at closing.

 

     

     

    

 

4.3             
Registration.

 

4.3.1       
Warrant Register. The Warrant Agent shall maintain books (“Warrant Register”)
for the registration of original issuance and the registration of transfer of the Warrants. Upon the initial issuance of the Warrants,
the Warrant Agent shall issue and register the Warrants in the names of the respective holders thereof in such denominations and otherwise
in accordance with instructions delivered to the Warrant Agent by the Company. All of the Public Warrants shall initially be represented
by one or more book entry certificates (each, a “Book-Entry Warrant Certificate”) deposited with The Depository Trust
Company (the “Depositary”) or other book-entry depositary system, in each case as determined by the Board or by an
authorized committee thereof. Ownership of beneficial interests in the Public Warrants shall be shown on, and the transfer of such ownership
shall be effected through, records maintained by (i) the Depositary or its nominee for each Book-Entry Warrant Certificate, or (ii) institutions
that have accounts with the Depositary (each such institution, with respect to a Warrant in its account, a “Participant”).

 

If the Depositary subsequently
ceases to make its book-entry settlement system available for the Public Warrants, the Company may instruct the Warrant Agent regarding
making other arrangements for book-entry settlement. In the event that the Public Warrants are not eligible for, or it is no longer necessary
to have the Public Warrants available in, book-entry form, the Warrant Agent shall provide written instructions to the Depositary to deliver
to the Warrant Agent for cancellation each Book-Entry Warrant Certificate, and the Company shall instruct the Warrant Agent to deliver
to the Depositary definitive certificates in physical form evidencing such Warrants which shall be in the form annexed hereto as Exhibit
A, with appropriate insertions, modifications and omissions, as provided above.

 

4.3.2       
Registered Holder. Prior to due presentment for registration of transfer of any Warrant, the
Company and the Warrant Agent may deem and treat the person or entity in whose name such Warrant is then registered in the Warrant Register
(“registered holder”) as the absolute owner of such Warrant and of each Warrant represented thereby (notwithstanding
any notation of ownership or other writing on the warrant certificate made by anyone other than the Company or the Warrant Agent), for
the purpose of any exercise thereof, and for all other purposes, and neither the Company nor the Warrant Agent shall be affected by any
notice to the contrary.

 

4.4             
Private Placement Warrant Attributes. The Private Placement Warrants will be identical to
the Public Warrants. 

 

5.             
Terms and Exercise of Warrants.

 

5.1             
Warrant Price. Each Warrant shall, when countersigned by the Warrant Agent (except with respect
to uncertificated Warrants), entitle the registered holder thereof, subject to the provisions of such Warrant and of this Agreement, to
purchase from the Company the number of Ordinary Shares stated therein, at the price of $11.50 per share, subject to the adjustments provided
in Section 6 hereof and in the last sentence of this Section 5.1. The term “Warrant Price” as used in
this Agreement refers to the price per share at which the Ordinary Shares may be purchased at the time a Warrant is exercised. The Company
in its sole discretion may lower the Warrant Price at any time prior to the Expiration Date (as defined below) for a period of not less
than twenty (20) days, consisting only of days, other than a Saturday, Sunday or federal holiday, on which banks in New York City are
generally open for normal business (each, a “Business Day”); provided, that the Company shall provide at least
twenty (20) days’ prior written notice of such reduction to registered holders of the Warrants and, provided further that
any such reduction shall be applied consistently to all of the Warrants.

 

5.2             
Duration of Warrants. A Warrant may be exercised only during the period commencing on the
later of (a) 30 days after the date hereof and (b) October 7, 2022, and terminating at 5:00 p.m., New York City time on the earlier to
occur of (i) the date that is five (5) years after the date hereof and (ii) at 5:00 p.m., New York City time on the Redemption Date as
provided in Section 8.2 of this Agreement (“Expiration Date”). The period of time from the date the Warrants
will first become exercisable until the expiration of the Warrants shall hereafter be referred to as the “Exercise Period.”
Except with respect to the right to receive the Redemption Price (as set forth in Section 8 hereunder), each outstanding Warrant
not exercised on or before the Expiration Date shall become void, and all rights thereunder and all rights in respect thereof under this
Agreement shall cease at the close of business on the Expiration Date. The Company in its sole discretion may extend the duration of the
Warrants by delaying the Expiration Date; provided, however, that the Company will provide at least twenty (20) days’
prior written notice of any such extension to registered holders and, provided further that any such extension shall be applied
consistently to all of the Warrants.

 

     

     

    

 

5.3             
Exercise of Warrants.

 

5.3.1       
Payment. Subject to the provisions of the Warrant and this Agreement, a Warrant may be exercised
by the registered holder thereof by delivering to the Warrant Agent at its corporate trust department (i) the Definitive Warrant Certificate
evidencing the Warrants to be exercised, or, in the case of a Book-Entry Warrant Certificate, the Warrants to be exercised on the records
of the Depositary to an account of the Warrant Agent at the Depositary designated for such purposes in writing by the Warrant Agent to
the Depositary from time to time, (ii) a form of election to purchase properly completed and executed by the registered holder on the
reverse of the Definitive Warrant Certificate or, in the case of a Book-Entry Warrant Certificate, properly delivered by the Participant
in accordance with the Depositary’s procedures, and (iii) payment in full of the Warrant Price for each Ordinary Share as to which
the Warrant is exercised and any and all applicable taxes due in connection with the exercise of the Warrant, as follows:

 

(a)              
in lawful money of the United States, by good certified check or good bank draft payable to the order
of the Warrant Agent or wire transfer; or

 

(b)              
in the event of a redemption pursuant to Section 8.1 hereof in which the Company’s management
has elected to force all holders of Warrants to exercise such Warrants on a “cashless basis,” by surrendering the Warrants
for that number of Ordinary Shares equal to the quotient obtained by dividing (x) the product of the number of Ordinary Shares underlying
the Warrants, multiplied by the difference between the Warrant Price and the “Fair Market Value” (defined below) by
(y) the Fair Market Value. Solely for purposes of this Section 5.3.1(b), the “Fair Market Value” shall mean
the average reported closing price of the Ordinary Shares for the ten (10) trading days ending on the third trading day prior to the date
on which the notice of redemption is sent to holders of the Warrants pursuant to Section 8 hereof; or

 

(c)              
in the event an effective registration statement required by Section 9.4 hereof is not maintained,
by surrendering such Warrants for that number of Ordinary Shares equal to the quotient obtained by dividing (x) the product of the number
of Ordinary Shares underlying the Warrants, multiplied by the difference between the exercise price of the Warrants and the “Fair
Market Value” by (y) the Fair Market Value; provided, however, that no cashless exercise shall be permitted unless
the Fair Market Value is equal to or higher than the exercise price. Solely for purposes of this Section 5.3.1(c), the “Fair
Market Value” shall mean the average reported last sale price of the Ordinary Shares for the ten (10) trading days ending on
the trading day prior to the date of exercise.

 

5.3.2       
Issuance of Ordinary Shares. As soon as practicable after the exercise of any Warrant and
the clearance of the funds in payment of the Warrant Price (if any), the Company shall issue to the registered holder of such Warrant
a certificate or certificates, or book entry position, as applicable, for the number of Ordinary Shares to which he, she or it is entitled,
registered in such name or names as may be directed by him, her or it, and if such Warrant shall not have been exercised in full, a new
countersigned Warrant or book entry position, as applicable, for the number of shares as to which such Warrant shall not have been exercised.
If fewer than all the Warrants evidenced by a Book-Entry Warrant Certificate are exercised, a notation shall be made to the records maintained
by the Depositary, its nominee for each Book-Entry Warrant Certificate, or a Participant, as appropriate, evidencing the balance of the
Warrants remaining after such exercise. Notwithstanding the foregoing, in no event will the Company be required to net cash settle the
Warrant exercise. No Warrant shall be exercisable for cash and the Company shall not be obligated to issue Ordinary Shares upon exercise
of a Warrant unless the Ordinary Shares issuable upon such Warrant exercise has been registered, qualified or deemed to be exempt under
the securities laws of the state of residence of the registered holder of the Warrants. Warrants may not be exercised by, or securities
issued to, any registered holder in any state in which such exercise or issuance would be unlawful.

 

     

     

    

 

5.3.3       
Valid Issuance. All Ordinary Shares issued upon the proper exercise of a Warrant in conformity
with this Agreement shall be validly issued, fully paid and nonassessable.

 

5.3.4        
Date of Issuance. Each person in whose name any book entry position or certificate for Ordinary
Shares is issued shall for all purposes be deemed to have become the holder of record of such shares on the date on which the Warrant,
or book entry position representing such Warrant, was surrendered and payment of the Warrant Price was made, irrespective of the date
of delivery of such certificate, except that, if the date of such surrender and payment is a date when the share transfer books of the
Company or book entry system of the Warrant Agent are closed, such person shall be deemed to have become the holder of such shares at
the close of business on the next succeeding date on which the share transfer books or book entry system are open.

 

5.3.5       
Maximum Percentage. A holder of a Warrant may notify the Company in writing in the event it
elects to be subject to the provisions contained in this Section 5.3.5; provided, however, no holder of a Warrant
shall be subject to this Section 5.3.5 unless he, she or it makes such election. If the election is made by a holder, the
Warrant Agent shall not cause the exercise of the holder’s Warrant, and such holder shall not have the right to exercise such Warrant,
to the extent that after giving effect to such exercise, such person (together with such person’s affiliates), to the Warrant Agent’s
actual knowledge, would beneficially own in excess of 9.9% (the “Maximum Percentage”) of the Ordinary Shares outstanding
immediately after giving effect to such exercise. For purposes of the foregoing sentence, the aggregate number of Ordinary Shares beneficially
owned by such person and its affiliates shall include the number of Ordinary Shares issuable upon exercise of the Warrant with respect
to which the determination of such sentence is being made, but shall exclude Ordinary Shares that would be issuable upon (x) exercise
of the remaining, unexercised portion of the Warrant beneficially owned by such person and its affiliates and (y) exercise or conversion
of the unexercised or unconverted portion of any other securities of the Company beneficially owned by such person and its affiliates
(including, without limitation, any convertible notes or convertible preferred stock or warrants) subject to a limitation on conversion
or exercise analogous to the limitation contained herein. Except as set forth in the preceding sentence, for purposes of this paragraph,
beneficial ownership shall be calculated in accordance with Section 13(d) of the Securities Exchange Act of 1934, as amended (the “Exchange
Act”). For purposes of the Warrant, in determining the number of outstanding Ordinary Shares, the holder may rely on the number
of outstanding Ordinary Shares as reflected in (1) the Company’s most recent Annual Report on Form 20-F, Current Report on Form
6-K or other public filings with the Securities and Exchange Commission (the “Commission”) as the case may be, (2)
a more recent public announcement by the Company or (3) any other notice by the Company or the Warrant Agent setting forth the number
of Ordinary Shares outstanding. For any reason at any time, upon the written request of the holder of the Warrant, the Company shall,
within two (2) Business Days, confirm orally and in writing to such holder the number of Ordinary Shares then outstanding. In any case,
the number of outstanding Ordinary Shares shall be determined after giving effect to the conversion or exercise of equity securities of
the Company by the holder and its affiliates since the date as of which such number of outstanding Ordinary Shares was reported. By written
notice to the Company, the holder of a Warrant may from time to time increase or decrease the Maximum Percentage applicable to such holder
to any other percentage specified in such notice; provided, however, that any such increase shall not be effective until
the sixty-first (61st) day after such notice is delivered to the Company.

 

     

     

    

 

6.                 
Adjustments.

 

6.1             
Share Capitalizations. If after the date hereof, and subject to the provisions of Section
6.6 below, the number of outstanding Ordinary Shares is increased by share capitalization payable in Ordinary Shares, or by a sub-division
of Ordinary Shares or other similar event, then, on the effective date of such share capitalization, sub-division or similar event, the
number of Ordinary Shares issuable on exercise of each Warrant shall be increased in proportion to such increase in outstanding Ordinary
Shares.

 

6.2             
Aggregation of Shares. If after the date hereof, the number of outstanding Ordinary Shares
is decreased by a consolidation, combination, reverse stock split or reclassification of Ordinary Shares or other similar event, then,
on the effective date of such consolidation, combination, reverse stock split, reclassification or similar event, the number of Ordinary
Shares issuable on exercise of each Warrant shall be decreased in proportion to such decrease in outstanding Ordinary Shares.

 

6.3             
Extraordinary Dividends. If the Company, at any time while the Warrants (or rights to purchase
the Warrants) are outstanding and unexpired, shall pay a dividend or make a distribution in cash, securities or other assets to the holders
of the Ordinary Shares on account of such Ordinary Shares (or other shares of the Company’s capital stock into which the Warrants
are convertible), other than (a) as described in Section 6.1 above, or (b) Ordinary Cash Dividends (as defined below) (any such
non-excluded event being referred to herein as an “Extraordinary Dividend”), then the Warrant Price shall be decreased,
effective immediately after the effective date of such Extraordinary Dividend, by the amount of cash and the fair market value (as determined
by the Board, in good faith) of any securities or other assets paid on each Ordinary Share in respect of such Extraordinary Dividend.
For purposes of this Section 6.3, “Ordinary Cash Dividends” means any cash dividend or cash distribution which,
when combined on a per share basis with the per share amounts of all other cash dividends and cash distributions paid on the Ordinary
Shares during the 365-day period ending on the date of declaration of such dividend or distribution (as adjusted to appropriately reflect
any of the events referred to in other provisions of this Section 6 and excluding cash dividends or cash distributions that resulted
in an adjustment to the Warrant Price or to the number of Ordinary Shares issuable on exercise of each Warrant) does not exceed $0.50.

 

6.4             
Adjustments in Exercise Price. Whenever the number of Ordinary Shares purchasable upon the
exercise of the Warrants is adjusted, as provided in Sections 6.1 and 6.2 above, the Warrant Price shall be adjusted
(to the nearest cent) by multiplying such Warrant Price immediately prior to such adjustment by a fraction (x) the numerator of which
shall be the number of Ordinary Shares purchasable upon the exercise of the Warrants immediately prior to such adjustment, and (y) the
denominator of which shall be the number of Ordinary Shares so purchasable immediately thereafter.

 

6.5             
Replacement of Securities upon Reorganization, etc. In case of any reclassification or reorganization
of the outstanding Ordinary Shares (other than a change covered by Section 6.1, 6.2 or 6.3 hereof or that solely
affects the par value of the Ordinary Shares), or in the case of any merger or consolidation of the Company with or into another corporation
(other than a consolidation or merger in which the Company is the continuing corporation and that does not result in any reclassification
or reorganization of the outstanding Ordinary Shares), or in the case of any sale or conveyance to another corporation or entity of the
assets or other property of the Company as an entirety or substantially as an entirety in connection with which the Company is dissolved,
the Warrant holders shall thereafter have the right to purchase and receive, upon the basis and upon the terms and conditions specified
in the Warrants and in lieu of the Ordinary Shares immediately theretofore purchasable and receivable upon the exercise of the rights
represented thereby, the kind and amount of shares of stock or other securities or property (including cash) receivable upon such reclassification,
reorganization, merger or consolidation, or upon a dissolution following any such sale or transfer, that the Warrant holder would have
received if such Warrant holder had exercised his, her or its Warrant(s) immediately prior to such event. If any reclassification also
results in a change in the Ordinary Shares covered by Section 6.1, 6.2 or 6.3, then such adjustment shall be
made pursuant to Section 6.1, 6.2, 6.3, 6.4 and this Section 6.5. The provisions of this Section
6.5 shall similarly apply to successive reclassifications, reorganizations, mergers or consolidations, sales or other transfers. In
no event will the Warrant Price be reduced to less than the par value per share issuable upon exercise of the Warrant. Notwithstanding
anything to the contrary herein, in the event of any tender offer for Ordinary Shares, the offeror shall not make any tender offer for
Warrants if the effect of such offer would be to require the Warrants to be accounted for as liabilities under applicable accounting principles.

 

     

     

    

 

6.6             
Notices of Changes in Warrant. Upon every adjustment of the Warrant Price or the number of
shares issuable upon exercise of a Warrant, the Company shall give written notice thereof to the Warrant Agent, which notice shall state
the Warrant Price resulting from such adjustment and the increase or decrease, if any, in the number of shares purchasable at such price
upon the exercise of a Warrant, setting forth in reasonable detail the method of calculation and the facts upon which such calculation
is based. Upon the occurrence of any event specified in Sections 6.1, 6.2, 6.3, 6.4 or 6.5, then, in
any such event, the Company shall give written notice to each Warrant holder, at the last address set forth for such holder in the Warrant
Register, of the record date or the effective date of the event. Failure to give such notice, or any defect therein, shall not affect
the legality or validity of such event.

 

6.7             
No Fractional Warrants or Ordinary Shares. Notwithstanding any provision contained in this
Agreement to the contrary, the Company shall not issue fractional shares upon exercise of Warrants. If, by reason of any adjustment made
pursuant to this Section 6, the holder of any Warrant would be entitled, upon the exercise of such Warrant, to receive a fractional
interest in a share, the Company shall, upon such exercise, round up to the nearest whole number of Ordinary Shares to be issued to the
Warrant holder.

 

6.8             
Form of Warrant. The form of Warrant need not be changed because of any adjustment pursuant
to this Section 6, and Warrants issued after such adjustment may state the same Warrant Price and the same number of shares
as is stated in the Warrants initially issued pursuant to this Agreement. However, the Company may at any time in its sole discretion
make any change in the form of Warrant that the Company may deem appropriate and that does not affect the substance thereof, and any Warrant
thereafter issued or countersigned, whether in exchange or substitution for an outstanding Warrant or otherwise, may be in the form as
so changed.

 

6.9             
Other Events. In case any event shall occur affecting the Company as to which none of the
provisions of preceding provisions of this Section 6 are strictly applicable, but which would require an adjustment to the
terms of the Warrants in order to (a) avoid an adverse impact on the Warrants and (b) effectuate the intent and purpose of this Section 6,
then, in each such case, the Company shall appoint a firm of independent public accountants, investment banking or other appraisal firm
of recognized national standing, which shall give its opinion as to whether or not any adjustment to the rights represented by the Warrants
is necessary to effectuate the intent and purpose of this Section 6 and, if they determine that an adjustment is necessary,
the terms of such adjustment. The Company shall adjust the terms of the Warrants in a manner that is consistent with any adjustment recommended
in such opinion.

 

7.             
Transfer and Exchange of Warrants.

 

7.1             
Registration of Transfer. The Warrant Agent shall register the transfer, from time to time,
of any outstanding Warrant into the Warrant Register, upon surrender of such Warrant for transfer, properly endorsed with signatures,
in the case of certificated Warrants, properly guaranteed and accompanied by appropriate instructions for transfer. Upon any such transfer,
a new Warrant representing an equal aggregate number of Warrants shall be issued and the old Warrant shall be cancelled by the Warrant
Agent. In the case of certificated Warrants, the Warrants so cancelled shall be delivered by the Warrant Agent to the Company from time
to time upon request.

 

     

     

    

 

7.2             
Procedure for Surrender of Warrants. Warrants may be surrendered to the Warrant Agent, either
in certificated form or in book entry position, together with a written request for exchange or transfer, and thereupon the Warrant Agent
shall issue in exchange therefor one or more new Warrants, or book entry positions, as requested by the registered holder of the Warrants
so surrendered, representing an equal aggregate number of Warrants; provided, however, that except as otherwise provided
herein or in any Book-Entry Warrant Certificate or Definitive Warrant Certificate, each Book-Entry Warrant Certificate and Definitive
Warrant Certificate may be transferred only in whole and only to the Depositary, to another nominee of the Depositary, to a successor
depository, or to a nominee of a successor depository; provided further, however, that in the event that a Warrant surrendered
for transfer bears a restrictive legend and the new Warrants to be issued will not bear a restrictive legend, the Warrant Agent shall
not cancel such Warrant and issue new Warrants in exchange therefor until the Warrant Agent has received an opinion of counsel for the
Company stating that such transfer may be made and indicating no restrictive legend is required.

 

7.3             
Fractional Warrants. The Warrant Agent shall not be required to effect any registration of
transfer or exchange which will result in the issuance of a Warrant certificate or book-entry position for a fraction of a Warrant.

 

7.4             
Service Charges. No service charge shall be made for any exchange or registration of transfer
of Warrants.

 

7.5             
Warrant Execution and Countersignature. The Warrant Agent is hereby authorized to countersign
and to deliver, in accordance with the terms of this Agreement, the Warrants required to be issued pursuant to the provisions of this
Section 7, and the Company, whenever required by the Warrant Agent, will supply the Warrant Agent with Warrants duly executed
on behalf of the Company for such purpose.

 

7.6             
Private Placement Warrants. The Warrant Agent shall not register any transfer of Private Placement
Warrants until thirty (30) days after the date hereof, except for transfers (i) to the Company’s officers, directors, consultants
or their affiliates, (ii) to a holder’s shareholders or members upon the holder’s liquidation, in each case if the holder
is an entity, (iii) by bona fide gift to a member of the holder’s immediate family or to a trust, the beneficiary of which is the
holder or a member of the holder’s immediate family, in each case for estate planning purposes, (iv) by virtue of the laws of descent
and distribution upon death, (v) pursuant to a qualified domestic relations order or (vi) in the event that the Company completes a liquidation,
merger, share exchange or other similar transaction which results in all of the Company’s shareholders having the right to exchange
their Ordinary Shares for cash, securities or other property, in each case (except for clause (vi) or with the Company’s prior written
consent) on the condition that prior to such registration for transfer, the Warrant Agent shall be presented with written documentation
pursuant to which each transferee or the trustee or legal guardian for such transferee agrees to be bound by the transfer restrictions
contained in this Section 7.6 and any other applicable agreement the transferor is bound by.

 

     

     

    

 

8.              
Redemption.

 

8.1             
Redemption. Not less than all of the outstanding Warrants may be redeemed, at the option of
the Company, at any time during the Exercise Period, at the office of the Warrant Agent, upon the notice referred to in Section 8.2,
at the price of $0.01 per Warrant (“Redemption Price”), provided that the closing price of the Ordinary Shares
equals or exceeds $18.00 per share (subject to adjustment in accordance with Section 6 hereof), on each of twenty (20) trading
days within any thirty (30) trading day period commencing after the Warrants become exercisable and ending on the third trading day prior
to the date on which notice of redemption is given and provided that there is an effective registration statement covering the Ordinary
Shares issuable upon exercise of the Warrants, and a current prospectus relating thereto, available throughout the 30-day redemption or
the Company has elected to require the exercise of the Warrants on a “cashless basis” pursuant to Section 5.3.1(b);
provided, however, that if and when the Warrants become redeemable by the Company, the Company may not exercise such redemption
right if the issuance of Ordinary Shares upon exercise of the Warrants is not exempt from registration or qualification under applicable
state blue sky laws or the Company is unable to effect such registration or qualification.

 

8.2             
Date Fixed for, and Notice of, Redemption. In the event the Company shall elect to redeem
all of the Warrants that are subject to redemption, the Company shall fix a date for the redemption (the “Redemption Date”).
Notice of redemption shall be transmitted (including, if applicable, through the facilities of the Depositary) and/or mailed (by first
class mail, postage prepaid), by the Company not less than thirty (30) days prior to the Redemption Date to the registered holders of
the Warrants to be redeemed at their last addresses as they shall appear on the registration books. Any notice transmitted or mailed in
the manner herein provided shall be conclusively presumed to have been duly given whether or not the registered holder received such notice.

 

8.3             
Exercise After Notice of Redemption. The Warrants may be exercised, for cash (or on a “cashless
basis” in accordance with Section 5 of this Agreement) at any time after notice of redemption shall have been given by the
Company pursuant to Section 8.2 hereof and prior to the Redemption Date. In the event the Company determines to require all holders
of Warrants to exercise their Warrants on a “cashless basis” pursuant to Section 5.3.1(b), the notice of redemption
will contain the information necessary to calculate the number of Ordinary Shares to be received upon exercise of the Warrants, including
the “Fair Market Value” in such case. On and after the Redemption Date, the record holder of the Warrants shall have
no further rights except to receive, upon surrender of the Warrants, the Redemption Price.

 

9.            
Other Provisions Relating to Rights of Holders of Warrants.

 

9.1             
No Rights as Shareholder. A Warrant does not entitle the registered holder thereof to any
of the rights of a shareholder of the Company, including, without limitation, the right to receive dividends, or other distributions,
exercise any preemptive rights to vote or to consent or to receive notice as shareholders in respect of the meetings of shareholders or
the election of directors of the Company or any other matter.

 

9.2             
Lost, Stolen, Mutilated, or Destroyed Warrants. If any Warrant is lost, stolen, mutilated,
or destroyed, the Company and the Warrant Agent may on such terms as to indemnity or otherwise as they may in their discretion impose
(which shall, in the case of a mutilated Warrant, include the surrender thereof), issue a new Warrant of like denomination, tenor, and
date as the Warrant so lost, stolen, mutilated, or destroyed. Any such new Warrant shall constitute a substitute contractual obligation
of the Company, whether or not the allegedly lost, stolen, mutilated, or destroyed Warrant shall be at any time enforceable by anyone.

 

9.3             
Reservation of Ordinary Shares. The Company shall at all times reserve and keep available
a number of its authorized but unissued Ordinary Shares that will be sufficient to permit the exercise in full of all outstanding Warrants
issued pursuant to this Agreement.

 

     

     

    

 

9.4             
Registration of Ordinary Shares. On [___], 2022, a registration statement on Form F-4 (Commission
File. [____]) registering the Ordinary Shares issuable upon the exercise of the Warrants was declared effective by the Commission. The
Company will use its best efforts to maintain the effectiveness of such registration statement, including any replacement registration
statement filed in respect thereof, and a current prospectus relating thereto, until the expiration of the Warrants in accordance with
the provisions of this Agreement. During any other period when the Company shall fail to have maintained an effective registration statement
covering the Ordinary Shares issuable upon exercise of the Warrants, the registered holders of the Warrants shall have the right to exercise
such Warrants on a “cashless basis” as determined in accordance with Section 5.3.1(c). The Company shall provide the
Warrant Agent with an opinion of counsel for the Company (which shall be an outside law firm with securities law experience) stating that
(i) the exercise of the Warrants on a cashless basis in accordance with this Section 9.4 is not required to be registered under
the Securities Act of 1933, as amended (the “Securities Act”), and (ii) the Ordinary Shares issued upon such exercise will
be freely tradable under U.S. federal securities laws by anyone who is not an affiliate (as such term is defined in Rule 144 under the
Securities Act) of the Company and, accordingly, will not be required to bear a restrictive legend. For the avoidance of any doubt, unless
and until all of the Warrants have been exercised on a cashless basis, the Company shall continue to be obligated to comply with its registration
obligations under the first three sentences of this Section 9.4. In addition, the Company agrees to use its best efforts to register
the Ordinary Shares issuable upon exercise of the Warrants under state blue sky laws, to the extent an exemption is not available.

 

10.          
Concerning the Warrant Agent and Other Matters.

 

10.1         
Payment of Taxes. The Company will from time to time promptly pay all taxes and charges that
may be imposed upon the Company or the Warrant Agent in respect of the issuance or delivery of Ordinary Shares upon the exercise of Warrants,
but the Company shall not be obligated to pay any transfer taxes in respect of the Warrants or such Ordinary Shares.

 

10.2         
Resignation, Consolidation, or Merger of Warrant Agent.

 

10.2.1      
Appointment of Successor Warrant Agent. The Warrant Agent, or any successor to it hereafter
appointed, may resign its duties and be discharged from all further duties and liabilities hereunder after giving sixty (60) days’
notice in writing to the Company. If the office of the Warrant Agent becomes vacant by resignation or incapacity to act or otherwise,
the Company shall appoint in writing a successor Warrant Agent in place of the Warrant Agent. If the Company shall fail to make such appointment
within a period of thirty (30) days after it has been notified in writing of such resignation or incapacity by the Warrant Agent or by
the holder of the Warrant (who shall, with such notice, submit his, her or its Warrant for inspection by the Company), then the holder
of any Warrant may apply to the Supreme Court of the State of New York for the County of New York for the appointment of a successor Warrant
Agent at the Company’s cost. Any successor Warrant Agent, whether appointed by the Company or by such court, shall be a corporation
or other entity organized and existing under the laws of the State of New York, in good standing and having its principal office in the
Borough of Manhattan, City and State of New York, and authorized under such laws to exercise corporate trust or stock transfer powers
and subject to supervision or examination by federal or state authority. After appointment, any successor Warrant Agent shall be vested
with all the authority, powers, rights, immunities, duties, and obligations of its predecessor Warrant Agent with like effect as if originally
named as Warrant Agent hereunder, without any further act or deed; but if for any reason it becomes necessary or appropriate, the predecessor
Warrant Agent shall execute and deliver, at the expense of the Company, an instrument transferring to such successor Warrant Agent all
the authority, powers, and rights of such predecessor Warrant Agent hereunder; and upon request of any successor Warrant Agent the Company
shall make, execute, acknowledge, and deliver any and all instruments in writing for more fully and effectually vesting in and confirming
to such successor Warrant Agent all such authority, powers, rights, immunities, duties, and obligations.

 

     

     

    

 

10.2.2      
Notice of Successor Warrant Agent. In the event a successor Warrant Agent shall be appointed,
the Company shall give notice thereof to the predecessor Warrant Agent and the transfer agent for the Ordinary Shares not later than the
effective date of any such appointment.

 

10.2.3      
Merger or Consolidation of Warrant Agent. Any entity into which the Warrant Agent may be merged
or with which it may be consolidated or any entity resulting from any merger or consolidation to which the Warrant Agent shall be a party
shall be the successor Warrant Agent under this Agreement without any further act on the part of the Company or the Warrant Agent.

 

10.3         
Fees and Expenses of Warrant Agent.

 

10.3.1      
Remuneration. The Company agrees to pay the Warrant Agent reasonable remuneration for its
services as such Warrant Agent hereunder and will reimburse the Warrant Agent upon demand for all expenditures that the Warrant Agent
may reasonably incur in the execution of its duties hereunder.

 

10.3.2      
Further Assurances. The Company agrees to perform, execute, acknowledge, and deliver or cause
to be performed, executed, acknowledged, and delivered all such further and other acts, instruments, and assurances as may reasonably
be required by the Warrant Agent for the carrying out or performing of the provisions of this Agreement.

 

10.4         
Liability of Warrant Agent.

 

10.4.1      
Reliance on Company Statement. Whenever in the performance of its duties under this Agreement,
the Warrant Agent shall deem it necessary or desirable that any fact or matter be proved or established by the Company prior to taking,
suffering or omitting to take any action hereunder, such fact or matter (unless other evidence in respect thereof be herein specifically
prescribed) may be deemed to be conclusively proved and established by a statement signed by the Chief Executive Officer or Chairman of
the Board of Directors of the Company and delivered to the Warrant Agent. The Warrant Agent may rely upon such statement for any action
taken, suffered or omitted to be taken in good faith by it pursuant to the provisions of this Agreement.

 

10.4.2      
Indemnity. The Warrant Agent shall be liable hereunder only for its own fraud, gross negligence,
willful misconduct or bad faith. The Company agrees to indemnify the Warrant Agent and save it harmless against any and all liabilities,
including judgments, costs and reasonable counsel fees, for any action done or omitted by the Warrant Agent in the execution of this Agreement
except as a result of the Warrant Agent’s fraud, gross negligence, willful misconduct, or bad faith.

 

10.4.3      
Exclusions. The Warrant Agent shall have no responsibility with respect to the validity of
this Agreement or with respect to the validity or execution of any Warrant (except its countersignature thereof); nor shall it be responsible
for any breach by the Company of any covenant or condition contained in this Agreement or in any Warrant; nor shall it be responsible
to make any adjustments required under the provisions of Section 5 hereof or responsible for the manner, method, or amount of any
such adjustment or the ascertaining of the existence of facts that would require any such adjustment; nor shall it by any act hereunder
be deemed to make any representation or warranty as to the authorization or reservation of any Ordinary Shares to be issued pursuant to
this Agreement, the Articles of Association of the Company, or any Warrant or as to whether any Ordinary Shares will, when issued, be
valid and fully paid and nonassessable.

 

     

     

    

 

10.5         
Acceptance of Agency. The Warrant Agent hereby accepts the agency established by this Agreement
and agrees to perform the same upon the terms and conditions herein set forth and among other things, shall account promptly to the Company
with respect to Warrants exercised and concurrently account for, and pay to the Company, all monies received by the Warrant Agent for
the purchase of Ordinary Shares through the exercise of Warrants.

 

11.             
Miscellaneous Provisions.

 

11.1         
Successors. All the covenants and provisions of this Agreement by or for the benefit of the
Company or the Warrant Agent shall bind and inure to the benefit of their respective successors and assigns.

 

11.2         
Notices. Any notice, statement or demand authorized by this Agreement to be given or made
by the Warrant Agent or by the holder of any Warrant to or on the Company shall be sufficiently given (i) if by email when the email is
sent, (ii) if by hand or overnight delivery, when so delivered, or (iii) if sent by certified mail or private courier service within five
(5) days after deposit of such notice, postage prepaid, addressed (until another address is filed in writing by the Company with the Warrant
Agent), as follows:

 

Hub Cyber Security (Israel) Ltd.,

17, Rothchild St., Tel Aviv, Israel

Attn:        Eyal Moshe

Email:       eyal.moshe@hubsecurity.io

 

Any notice, statement or demand authorized by
this Agreement to be given or made by the holder of any Warrant or by the Company to or on the Warrant Agent shall be sufficiently given
(i) if by email, when the email is sent, (ii) if by hand or overnight delivery, when so delivered, or (iii) if sent by certified mail
or private courier service within five days after deposit of such notice, postage prepaid, addressed (until another address is filed in
writing by the Warrant Agent with the Company), as follows:

 

American Stock Transfer & Trust Company, LLC

6201 15th Avenue

Brooklyn, NY 11219

Attn: Reorg Department

 

with a copy in each
case to:

 

Latham & Watkins LLP

811 Main Street, Suite 3700

Houston, Texas 77002

Attn:        Ryan J. Lynch

E-mail:      Ryan.Lynch@lw.com

 

and

 

Latham & Watkins LLP

99 Bishopsgate

London EC2M 3XF

United Kingdom

Attn:        Michael Rosenberg

E-mail:      Michael.Rosenberg@lw.com

 

     

     

    

 

11.3         
Applicable Law. The validity, interpretation, and performance of this Agreement and of the
Warrants shall be governed in all respects by the laws of the State of New York, without giving effect to conflicts of law principles
that would result in the application of the substantive laws of another jurisdiction. Each of the Company and the Warrant Agent hereby
agrees that any action, proceeding or claim against either of them arising out of or relating in any way to this Agreement shall be brought
and enforced in the courts of the State of New York or the United States District Court for the Southern District of New York, and irrevocably
submits to such jurisdiction, which jurisdiction shall be exclusive . The Company and the Warrant Agent hereby waive any objection that
such courts represent an inconvenient forum. Notwithstanding the foregoing, the provisions of this paragraph will not apply to suits brought
to enforce any liability or duty created by the Exchange Act or any other claim for which the federal district courts of the United States
of America are the sole and exclusive forum. Any process or summons to be served upon the Company or the Warrant Agent may be served by
transmitting a copy thereof by registered or certified mail, return receipt requested, postage prepaid, addressed to it at the address
set forth in Section 11.2 hereof. Such mailing shall be deemed personal service and shall be legal and binding upon the party receiving
such service in any action, proceeding or claim.

 

11.4         
Persons Having Rights under this Agreement. Nothing in this Agreement expressed and nothing
that may be implied from any of the provisions hereof is intended, or shall be construed, to confer upon, or give to, any person or entity
other than the parties hereto and the registered holders of the Warrants, any right, remedy, or claim under or by reason of this Agreement
or of any covenant, condition, stipulation, promise, or agreement hereof. All covenants, conditions, stipulations, promises, and agreements
contained in this Agreement shall be for the sole and exclusive benefit of the parties hereto and their successors and assigns and of
the registered holders of the Warrants.

 

11.5         
Examination of the Warrant Agreement. A copy of this Agreement shall be available at all reasonable
times at the office of the Warrant Agent in the Borough of Manhattan, City and State of New York, for inspection by the registered holder
of any Warrant. The Warrant Agent may require any such holder to submit his, her or its Warrant for inspection.

 

11.6         
Counterparts. This Agreement may be executed in any number of original or electronic counterparts
and each of such counterparts shall for all purposes be deemed to be an original, and all such counterparts shall together constitute
but one and the same instrument.

 

11.7         
Effect of Headings. The section headings herein are for convenience only and are not part
of this Agreement and shall not affect the interpretation thereof.

 

11.8         
Amendments. This Agreement may be amended by the parties hereto without the consent of any
registered holder for the purpose of curing any ambiguity, or of curing, correcting or supplementing any defective provision contained
herein or adding or changing any other provisions with respect to matters or questions arising under this Agreement as the parties may
deem necessary or desirable and that the parties deem shall not adversely affect the interest of the registered holders. All other modifications
or amendments, including any amendment to increase the Warrant Price or shorten the Exercise Period, shall require the written consent
or vote of the registered holders of a majority of the then outstanding Warrants. Notwithstanding the foregoing, the Company may lower
the Warrant Price or extend the duration of the Exercise Period pursuant to Sections 5.1 and 5.2, respectively, without
the consent of the registered holders. 

 

     

     

    

 

11.9         
Severability. This Agreement shall be deemed severable, and the invalidity or unenforceability
of any term or provision hereof shall not affect the validity or enforceability of this Agreement or of any other term or provision hereof.
Furthermore, in lieu of any such invalid or unenforceable term or provision, the parties hereto intend that there shall be added as a
part of this Agreement a provision as similar in terms to such invalid or unenforceable provision as may be possible and be valid and
enforceable.

 

11.10     
Existing Warrant Agreement. The Existing Warrant Agreement is hereby amended and restated
in its entirety and its terms prior to such amendment and restatement shall be of no further force or effect.

 

[Signature page follows]

 

     

     

    

 

IN WITNESS WHEREOF, this Agreement
has been duly executed by the parties hereto as of the day and year first above written.

 

		HUB CYBER SECURITY ISRAEL LTD.
	 	 	 
	 	By:	                
	 	Name:	 
	 	Title: 	 

 

		MOUNT RAINIER ACQUISITION CORP.
	 	 	 
	 	By:	                
	 	Name:	 
	 	Title: 	 

 

		AMERICAN STOCK TRANSFER & TRUST COMPANY, LLC
	 	 	 
	 	By:	                
	 	Name:	 
	 	Title: 	 

 

[Signature Page to Amended
and Restated Warrant Agreement]

 

     

     

    

 

EXHIBIT A

WARRANT CERTIFICATE

 

[See
attached]

 

    Exh. A-1

     

    

 

[Form of Warrant
Certificate]

 

[FACE]

 

Number

 

Warrants

 

THIS WARRANT SHALL BE VOID IF NOT EXERCISED
PRIOR TO

THE EXPIRATION OF THE EXERCISE PERIOD PROVIDED FOR

IN THE WARRANT AGREEMENT DESCRIBED BELOW

 

HUB CYBER SECURITY
ISRAEL LTD.

a company organized under the laws of the State of Israel

 

CUSIP [___]

 

Warrant Certificate

 

This Warrant Certificate
certifies that                , or registered assigns,
is the registered holder of warrant(s) evidenced hereby (the “Warrants” and each, a “Warrant”)
to purchase ordinary shares, no par value per share (the “Ordinary Shares”), of Hub Cyber Security Israel Ltd.,
a company organized under the laws of the State of Israel (the “Company”). Each whole Warrant entitles the holder,
upon exercise during the period set forth in the Warrant Agreement referred to on the reverse hereof, to receive from the Company that
number of fully paid and non-assessable Ordinary Shares as set forth below, at the exercise price (the “Exercise Price”)
as determined pursuant to the Warrant Agreement, payable in lawful money (or through “cashless exercise” as provided for in
the Warrant Agreement) of the United States of America upon surrender of this Warrant Certificate and payment of the Exercise Price at
the office or agency of the Warrant Agent referred to below, subject to the conditions set forth herein and in the Warrant Agreement.
Defined terms used in this Warrant Certificate but not defined herein shall have the meanings given to them in the Warrant Agreement.

 

Each whole Warrant is initially
exercisable for three-fourths of one fully paid and non-assessable Ordinary Share. No fractional shares will be issued upon exercise of
any Warrant. If, upon the exercise of Warrants, a holder would be entitled to receive a fractional interest in an Ordinary Share, the
Company will, upon exercise, round down to the nearest whole number the number of Ordinary Shares to be issued to the Warrant holder.
The number of Ordinary Shares issuable upon exercise of the Warrants is subject to adjustment upon the occurrence of certain events set
forth in the Warrant Agreement.

 

The initial Exercise Price
per Ordinary Share for any Warrant is equal to $11.50 per whole share. The Exercise Price is subject to adjustment upon the occurrence
of certain events set forth in the Warrant Agreement.

 

Subject to the conditions
set forth in the Warrant Agreement, the Warrants may be exercised only during the Exercise Period and to the extent not exercised by the
end of such Exercise Period, such Warrants shall become void.

 

    Exh. A-2

     

    

 

Reference is hereby made to
the further provisions of this Warrant Certificate set forth on the reverse hereof and such further provisions shall for all purposes
have the same effect as though fully set forth at this place.

 

This Warrant Certificate shall
not be valid unless countersigned by the Warrant Agent, as such term is used in the Warrant Agreement.

 

This Warrant Certificate shall
be governed by and construed in accordance with the internal laws of the State of New York, without regard to conflicts of laws principles
thereof.

 

		HUB CYBER SECURITY ISRAEL LTD.
	 	 	 
	 	By:	                
	 	Name:	 
	 	Title:	 

 

		AMERICAN STOCK TRANSFER & TRUST COMPANY, LLC, as Warrant Agent
	 	 	 
	 	By:	                
	 	Name:	 
	 	Title:	 

 

    Exh. A-3

     

    

 

[Form of Warrant
Certificate]

 

[Reverse]

 

The Warrants evidenced by
this Warrant Certificate are part of a duly authorized issue of Warrants entitling the holder on exercise to receive Ordinary Shares and
are issued or to be issued pursuant to that certain Amended and Restated Warrant Agreement dated as of [__], 2022 (the “Warrant
Agreement”), duly executed and delivered by the Company to American Stock Transfer & Trust Company, LLC, a New York
limited liability trust company, as warrant agent (the “Warrant Agent”), which Warrant Agreement is hereby incorporated
by reference in and made a part of this instrument and is hereby referred to for a description of the rights, limitation of rights, obligations,
duties and immunities thereunder of the Warrant Agent, the Company and the holders (the words “holders” or “holder”
meaning the registered holders or registered holder, respectively) of the Warrants. A copy of the Warrant Agreement may be obtained by
the holder hereof upon written request to the Company. Defined terms used in this Warrant Certificate but not defined herein shall have
the meanings given to them in the Warrant Agreement.

 

Warrants may be exercised
at any time during the Exercise Period set forth in the Warrant Agreement. The holder of Warrants evidenced by this Warrant Certificate
may exercise them by surrendering this Warrant Certificate, with the form of election to purchase set forth hereon properly completed
and executed, together with payment of the Exercise Price as specified in the Warrant Agreement (or through “cashless exercise”
as provided for in the Warrant Agreement) at the principal corporate trust office of the Warrant Agent. In the event that upon any exercise
of Warrants evidenced hereby the number of Warrants exercised shall be less than the total number of Warrants evidenced hereby, there
shall be issued to the holder hereof or his, her or its assignee, a new Warrant Certificate evidencing the number of Warrants not exercised.

 

Notwithstanding anything else
in this Warrant Certificate or the Warrant Agreement, no Warrant may be exercised unless at the time of exercise (i) a registration statement
covering the Ordinary Shares to be issued upon exercise is effective under the Securities Act of 1933, as amended, and (ii) a prospectus
thereunder relating to the Ordinary Shares is current, except through “cashless exercise” as provided for in the Warrant Agreement.

 

The Warrant Agreement provides
that upon the occurrence of certain events the number of Ordinary Shares issuable upon exercise of the Warrants set forth on the face
hereof may, subject to certain conditions, be adjusted. If, upon exercise of a Warrant, the holder thereof would be entitled to receive
a fractional interest in an Ordinary Share, the Company shall, upon exercise, round down to the nearest whole number of Ordinary Shares
to be issued to the holder of the Warrant.

 

Warrant Certificates, when
surrendered at the principal corporate trust office of the Warrant Agent by the registered holder thereof in person or by legal representative
or attorney duly authorized in writing, may be exchanged, in the manner and subject to the limitations provided in the Warrant Agreement,
but without payment of any service charge, for another Warrant Certificate or Warrant Certificates of like tenor evidencing in the aggregate
a like number of Warrants.

 

    Exh. A-4

     

    

 

Upon due presentation for
registration of transfer of this Warrant Certificate at the office of the Warrant Agent a new Warrant Certificate or Warrant Certificates
of like tenor and evidencing in the aggregate a like number of Warrants shall be issued to the transferee(s) in exchange for this Warrant
Certificate, subject to the limitations provided in the Warrant Agreement, without charge except for any tax or other governmental charge
imposed in connection therewith.

 

The Company and the Warrant
Agent may deem and treat the registered holder(s) hereof as the absolute owner(s) of this Warrant Certificate (notwithstanding any notation
of ownership or other writing hereon made by anyone), for the purpose of any exercise hereof, of any distribution to the holder(s) hereof,
and for all other purposes, and neither the Company nor the Warrant Agent shall be affected by any notice to the contrary.

 

Neither the Warrants nor this
Warrant Certificate entitled any holder thereof to any rights of a shareholder of the Company.

 

    Exh. A-5

     

    

 

Election to Purchase

 

(To Be Executed
Upon Exercise of Warrant)

 

The undersigned hereby irrevocably
elects to exercise the right, represented by this Warrant Certificate, to receive                
Ordinary Shares and herewith tenders payment for such Ordinary Shares to the order of Hub Cyber Security Israel Ltd. (the “Company”)
in the amount of $        in accordance with the terms hereof. The undersigned requests that a certificate
for such Ordinary Shares be registered in the name of                ,
whose address is                 and that such Ordinary Shares
be delivered to                 whose address is                .
If said number of Ordinary Shares is less than all of the Ordinary Shares purchasable hereunder, the undersigned requests that a new Warrant
Certificate representing the remaining balance of such Ordinary Shares be registered in the name of                ,
whose address is                 and that such Warrant Certificate
be delivered to                , whose address is                .

 

In the event that the Warrant
has been called for redemption by the Company pursuant to Section 8 of the Warrant Agreement and the Company has required
cashless exercise pursuant to Section 8.3 of the Warrant Agreement, the number of Ordinary Shares that this Warrant is exercisable
for shall be determined in accordance with Section 5.3.1(b) and Section 8.3 of the Warrant Agreement.

 

In the event that the Warrant
may be exercised, to the extent allowed by the Warrant Agreement, through cashless exercise (i) the number of Ordinary Shares that this
Warrant is exercisable for would be determined in accordance with the relevant section of the Warrant Agreement which allows for
such cashless exercise and (ii) the holder hereof shall complete the following: The undersigned hereby irrevocably elects to exercise
the right, represented by this Warrant Certificate, through the cashless exercise provisions of the Warrant Agreement, to receive Ordinary
Shares. If said number of Ordinary Shares is less than all of the Ordinary Shares purchasable hereunder (after giving effect to the cashless
exercise), the undersigned requests that a new Warrant Certificate representing the remaining balance of such Ordinary Shares be registered
in the name of                , whose address is                
and that such Warrant Certificate be delivered to                ,
whose address is                .

 

[Signature
Page Follows]

 

    Exh. A-6

     

    

 

Date:               ,
20  

 

		 	(Signature)
	 	 	 
	 	 	 
	 	 	 
	 	 	 
	 	 	(Address)
	 	 	 
	 	 	 
	 	 	(Tax Identification Number)
	 	 	 
	Signature Guaranteed:	 	 
	 	 	 
	 	 	 

 

THE SIGNATURE(S) SHOULD BE GUARANTEED BY AN ELIGIBLE
GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE
MEDALLION PROGRAM, PURSUANT TO RULE 17Ad-15 (OR ANY SUCCESSOR RULE)) UNDER THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED.

 

    Exh. A-7Exhibit 10.1

 

SPONSOR SUPPORT AGREEMENT

 

This
Support Agreement (this “Agreement”), dated as of March 23, 2022, is entered into by and among Mount Rainier
Acquisition Corp., a Delaware corporation (“SPAC”), Hub Cyber Security Israel
Ltd., a company organized under the laws of the State of Israel (the “Company”), and
the stockholder(s) listed on Exhibit A hereto (each, a “Stockholder”).

RECITALS

 

WHEREAS,
concurrently herewith, SPAC, Rover Merger Sub, Inc., a Delaware corporation (“Merger Sub”),
and the Company are entering into a Business Combination Agreement (as amended, supplemented, restated or otherwise modified from time
to time, the “Business Combination Agreement”; capitalized terms used but not otherwise defined in this Agreement shall
have the meanings ascribed to them in the Business Combination Agreement), pursuant to which (and subject to the terms and conditions
set forth therein) Merger Sub will merge with and into SPAC, with SPAC surviving the merger (the “Merger”) as
a direct, wholly owned Subsidiary of the Company;

 

WHEREAS,
as of the date hereof, each Stockholder is the “beneficial owner” (within the meaning of Rule 13d-3 under the Securities Exchange
Act of 1934, as amended (together with the rules and regulations promulgated thereunder, the “Exchange Act”)) of and
is entitled to dispose of and vote the number of shares of common stock, par value $0.0001, of SPAC set forth on Exhibit A
(all such shares, and/or any successor shares of SPAC (including, upon the effectiveness of the Merger, any Company Ordinary Shares issued
in exchange therefor), being referred to herein as the “Owned Shares”; the Owned Shares
and any additional Company Ordinary Shares (or any securities convertible into or exercisable or exchangeable for Company Ordinary Shares)
in which the Stockholder acquires record or beneficial ownership after the date hereof, including by purchase, as a result of a share
dividend, share split, recapitalization, combination, reclassification, exchange or change of such shares, or upon exercise or conversion
of any securities, the “Covered Shares”); and

 

WHEREAS, as a condition and inducement to the willingness
of the Company to enter into the Business Combination Agreement, SPAC, the Company and the Stockholders are entering into this Agreement.

 

AGREEMENT

 

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

 

1.        Agreement
to Vote. Subject to the earlier termination of this Agreement in accordance with Section 3, each Stockholder, in its capacity
as a stockholder of SPAC, irrevocably and unconditionally agrees that it shall, and shall cause any other holder of record or beneficial
owner of any of such Stockholder’s Covered Shares to, validly execute and deliver to SPAC, on (or effective as of) the fifth (5th)
day following the date that the notice of the SPAC Stockholders Meeting (the “SPAC Stockholder Meeting Notice”) is delivered
by SPAC, the voting proxy to be distributed in respect of all of such Stockholder’s Covered Shares. In addition, prior to the Termination
Date (as defined herein), each Stockholder, in its capacity as a stockholder of SPAC, irrevocably and unconditionally agrees that, at
any other meeting of the stockholders of SPAC (whether annual or special and whether or not an adjourned or postponed meeting, however
called and including any adjournment or postponement thereof) and in connection with any written consent of stockholders of SPAC, such
Stockholder shall, and shall cause any other holder of record or beneficial owner of any of the Stockholder’s Covered Shares to:

 

    

     

    

 

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

 

		b.	execute and return an action by written consent (or vote, in person or by proxy), or validly execute and
return and cause such consent to be granted with respect to (or cause to be voted at such meeting), all of such Stockholder’s Covered
Shares owned as of the date that any written consent is executed by such Stockholder (or the record date for such meeting) in favor of
(i) the Merger and the adoption of the Business Combination Agreement, (ii) the SPAC Stockholder Proposals and (iii) any other matters
necessary or reasonably requested by SPAC for consummation of the Merger and the other transactions contemplated by the Business Combination
Agreement.

 

		c.	execute and return an action by written consent (or vote, in person or by proxy), or validly execute and
return and cause such consent to be granted with respect to (or cause to be voted at such meeting), all of such Stockholder’s Covered
Shares against any SPAC Acquisition Proposal, any other action that would reasonably be expected to impede, interfere with, delay, postpone
or adversely affect the Merger or any of the other transactions contemplated by the Business Combination Agreement or result in a breach
of any covenant, representation or warranty or other obligation or agreement of SPAC under the Business Combination Agreement that would
result in the failure of any condition set forth in Section 6.1, Section 6.2 or Section 6.3 of the Business Combination Agreement to be
satisfied or result in a breach of any covenant, representation or warranty or other obligation or agreement of such Stockholder contained
in this Agreement, and against any change in business, management or board of directors of SPAC (other than in connection with the Business
Combination Agreement and the other proposals related to the Business Combination).

 

		d.	The obligations of each Stockholder specified in this Section 1 shall apply whether or not the
Merger or any action described above is recommended by the SPAC Board, including if the SPAC board has effected a SPAC Change in Recommendation.

 

		e.	Each Stockholder hereby irrevocably, to the fullest extent permitted by law, appoints SPAC, or any designee
of SPAC, for so long as the provisions of this Section 1 remain in effect, as such Stockholder’s attorney-in-fact and proxy
with full power of substitution, to vote and otherwise act (by written consent or otherwise) with respect to the Owned Shares, solely
on the matters and in the manner specified in this Section 1. This proxy shall be valid for the duration of this Agreement.

 

    2

     

    

 

		f.	THE PROXIES AND POWERS OF ATTORNEY GRANTED PURSUANT TO SECTION 1(e) ARE IRREVOCABLE AND COUPLED
WITH AN INTEREST. The proxies and powers of attorney shall not be terminated by any act of such Stockholder or by operation of law, by
lack of appropriate power or authority, or by the occurrence of any other event or events and shall be binding upon all successors, assigns,
heirs, beneficiaries and legal representatives of such Stockholder. Each Stockholder hereby revokes all other proxies and powers of attorney
on the matters specified in this Section 1 with respect to the Owned Shares that such Stockholder may have previously appointed
or granted, and no subsequent proxy or power of attorney shall be given or written consent executed (and if given or executed, shall not
be effective) by the Stockholder with respect thereto. All authority herein conferred or agreed to be conferred shall survive the death,
bankruptcy or incapacity of such Stockholder and any obligation of such Stockholder under this Agreement shall be binding upon the heirs,
personal representatives, and successors of such Stockholder.

 

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

 

3.       Termination.
This Agreement shall terminate, and no party shall have any further obligations or liabilities under this Agreement, upon the earliest
of (i) the Effective Time (except the restrictions set forth Section 4 hereof, which shall terminate at the end of the Lock-up
Period), (ii) the termination or expiration of the Business Combination Agreement in accordance with its terms or (iii) the time this
Agreement is terminated upon the mutual written agreement of SPAC, the Company and the Stockholders (the earliest such date under clause
(i), (ii) and (iii) being referred to herein as the “Termination Date”); provided, that the provisions set forth in
Sections 12 to 24 shall survive the termination of this Agreement; provided further, that termination of this Agreement
shall not relieve any party hereto from any liability for any Willful Breach of, or actual fraud in connection with, this Agreement prior
to such termination.

 

4.       Representations
and Warranties of each Stockholder. Each Stockholder hereby represents and warrants to the Company as to itself as follows:

 

		a.	The Stockholder is the only beneficial owner (within the meaning of Rule 13d-3 under the Exchange Act)
of, and has good, valid and marketable title to, the Covered Shares, free and clear of Liens other than as created by this Agreement and
Permitted Liens. As of the date hereof, other than the Owned Shares, the Stockholder does not own beneficially or of record any share
capital of SPAC (or any securities convertible into share capital of SPAC).

 

    3

     

    

 

		b.	The Stockholder (i) except as provided in this Agreement, has full voting power, full power of disposition
and full power to issue instructions with respect to the matters set forth herein, in each case, with respect to the Stockholder’s
Covered Shares, (ii) has not entered into any voting agreement or voting trust with respect to any of the Stockholder’s Covered
Shares that is inconsistent with the Stockholder’s obligations pursuant to this Agreement, (iii) has not granted a proxy or power
of attorney with respect to any of the Stockholder’s Covered Shares that is inconsistent with the Stockholder’s obligations
pursuant to this Agreement and (iv) has not entered into any agreement or undertaking that is otherwise inconsistent with, or would interfere
with, or prohibit or prevent it from satisfying, its obligations pursuant to this Agreement.

 

		c.	The Stockholder (i) if a legal entity, is duly organized, validly existing and, to the extent such concept
is applicable, in good standing under the Laws of the jurisdiction of its organization, and has all requisite corporate or other power
and authority and has taken all corporate or other action necessary in order to, execute, deliver and perform its obligations under this
Agreement and to consummate the transactions contemplated hereby or (ii) if an individual, has legal competence and capacity to enter
into this Agreement and all necessary authority to execute, deliver and perform his or her obligations under this Agreement and to consummate
the transactions contemplated hereby. This Agreement has been duly executed and delivered by the Stockholder and constitutes a valid and
binding agreement of the Stockholder enforceable against the Stockholder in accordance with its terms, subject to applicable bankruptcy,
insolvency, fraudulent conveyance, reorganization, moratorium and similar Laws affecting creditors’ rights generally and subject,
as to enforceability, to general principles of equity.

 

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

 

    4

     

    

 

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

 

		f.	As of the date of this Agreement, there is no action, proceeding or investigation pending against the
Stockholder or, to the knowledge of the Stockholder, threatened against the Stockholder that questions the beneficial or record ownership
of the Stockholder’s Owned Shares, the validity of this Agreement or the performance by the Stockholder of its obligations under
this Agreement.

 

		g.	The Stockholder understands and acknowledges that the Company is entering into the Business Combination
Agreement in reliance upon the Stockholder’s execution and delivery of this Agreement and the representations, warranties, covenants
and other agreements of the Stockholder contained herein.

 

		h.	No investment banker, broker, finder or other intermediary is entitled to any broker’s, finder’s,
financial advisor’s or other similar fee or commission for which SPAC, Merger Sub or the Company is or will be liable in connection
with the transactions contemplated hereby based upon arrangements made by or, to the knowledge of the Stockholder, on behalf of the Stockholder.

 

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

 

		a.	No Solicitation. Subject to Section 6 hereof, prior to the Termination Date, the Stockholder
shall not, and shall cause its Affiliates and Subsidiaries not to, shall not authorize its Representatives to, and shall use its reasonable
best efforts to cause its and their respective Representatives not to, directly or indirectly, (i) solicit, initiate, knowingly encourage
(including by means of furnishing or disclosing information), knowingly facilitate, discuss or negotiate, directly or indirectly, any
inquiry, proposal or offer (written or oral) that constitutes, or may reasonably be expected to lead to, a SPAC Acquisition Proposal;
(ii) furnish or disclose any non-public information about SPAC to any Person in connection with, or that could reasonably be expected
to lead to, a SPAC Acquisition Proposal (except that the Stockholder shall be permitted to disclose non-public information about SPAC
to its limited partners, members, or stockholders for the limited purpose of securing the corporate or other power and authority to execute
and perform this Agreement, provided the Stockholder takes reasonable efforts to cause such Persons to comply with this Section 5(a));
(iii) enter into any Contract or other arrangement or understanding regarding a SPAC Acquisition Proposal; or (iv) otherwise cooperate
in any way with, or assist or participate in, or knowingly facilitate or encourage any effort or attempt by any Person to do or seek to
do any of the foregoing. The Stockholder shall (A) notify the Company promptly upon receipt of any SPAC Acquisition Proposal by the Stockholder,
and describe the material terms and conditions of any such SPAC Acquisition Proposal in reasonable detail (including the identity of the
Persons making such SPAC Acquisition Proposal) and (B) keep the Company reasonably informed on a current basis of any modifications to
such offer or information.

 

    5

     

    

 

Notwithstanding anything in this Agreement
to the contrary, (i) the Stockholder shall not be responsible for the actions of SPAC or the SPAC Board (or any committee thereof), any
Subsidiary of SPAC, or any officers, directors (in their capacity as such), employees and professional advisors of any of the foregoing
(the “SPAC Related Parties”), including with respect to any of the matters contemplated by this Section 5(a), (ii)
the Stockholder makes no representations or warranties with respect to the actions of any of the SPAC Related Parties and (iii) any breach
by the SPAC of its obligations under Section 5.6(b) of the Business Combination Agreement shall not be considered a breach
of this Section 5(a) (it being understood for the avoidance of doubt that the Stockholder shall remain responsible for any
breach by it or its Representatives (other than any such Representative that is a SPAC Related Party) of this Section 5(a)).

 

		b.	Each Stockholder hereby agrees not to, directly or indirectly, prior to the Termination Date, except in
connection with the consummation of the Merger, (i) sell, transfer, pledge, encumber, assign, hedge, swap, convert or otherwise dispose
of (including by merger (including by conversion into securities or other consideration), by tendering into any tender or exchange offer,
by testamentary disposition, by operation of Law or otherwise), either voluntarily or involuntarily (each such action, a “Transfer”),
or enter into any Contract or option with respect to the Transfer of any of the Stockholder’s Covered Shares, or (ii) take any action
that would make any representation or warranty of the Stockholder contained herein untrue or incorrect or have the effect of preventing
or disabling the Stockholder from performing its obligations under this Agreement; provided, however, that nothing herein
shall prohibit a Transfer to an Affiliate of the Stockholder (a “Permitted Transfer”); provided, further,
that any Permitted Transfer shall be permitted only if, as a precondition to such Transfer, the transferee agrees in a writing, reasonably
satisfactory in form and substance to the Company, to assume all of the obligations of the Stockholder under, and be bound by all of the
terms of, this Agreement; provided, further, that any Transfer permitted under this Section 5(b) shall not relieve the Stockholder
of its obligations under this Agreement. Any Transfer in violation of this Section 5(b) with respect to the Stockholder’s
Covered Shares shall be null and void. Nothing in this Agreement shall prohibit direct or indirect transfers of equity or other interests
in a Stockholder.

 

    6

     

    

 

		c.	Waiver of Redemptions Rights. Each Stockholder irrevocably agrees that it will not exercise its
right to redeem all or a portion of such Stockholder’s Covered Shares (in connection with the transactions contemplated by this
Agreement or the Business Combination Agreement or otherwise) as set forth in Section 6.E of the SPAC Certificate of Incorporation.

 

		d.	The Stockholder hereby authorizes the Company to maintain a copy of this Agreement at either the executive
office or the registered office of the Company.

 

6.        Lock-Up.

 

		a.	During the Lock-up Period (as defined below), each Stockholder that is a member of the Sponsor Group irrevocably
agrees that it will not offer, sell, contract to sell, hypothecate, pledge or otherwise dispose of, directly or indirectly, any of the
Covered Shares, enter into a transaction that would have the same effect, or enter into any swap, hedge or other arrangement that transfers,
in whole or in part, any of the economic consequences of ownership of such Covered Shares, whether any of these transactions are to be
settled by delivery of any such Covered Shares, in cash or otherwise, publicly disclose the intention to make any offer, sale, pledge
or disposition, or to enter into any transaction, swap, hedge or other arrangement, or engage in any Short Sales (as defined below) with
respect to any security of the Company (each action, a “Transfer”).

 

		b.	For purposes hereof, “Short Sales” include, without limitation, all “short sales”
as defined in Rule 200 promulgated under Regulation SHO under the Exchange Act, and all types of direct and indirect stock pledges, forward
sale contracts, options, puts, calls, swaps and similar arrangements (including on a total return basis), and sales and other transactions
through non-U.S. broker dealers or foreign regulated brokers.

 

		c.	For purpose of this Agreement, the “Lock-up Period” means with respect to the Covered
Shares, the period commencing on the Closing Date and ending on the date that is nine (9) months thereafter.

 

    7

     

    

 

		d.	The restrictions set forth in this Section 6 shall not apply to: (1) transfers or distributions
to Stockholder’s current or former general or limited partners, managers or members, stockholders, other equity holders or direct
or indirect affiliates (within the meaning of Rule 405 under the Securities Act of 1933, as amended) or to the estates of any of the foregoing;
(2) transfers by bona fide gift to a member of Stockholder’s immediate family or to a trust, the beneficiary of which is Stockholder
or a member of Stockholder’s immediate family for estate planning purposes; (3) by virtue of the laws of descent and distribution
upon death of Stockholder; (4) pursuant to a qualified domestic relations order, in each case where any permitted transferee enters into
a written agreement with the Company agreeing to be bound by the transfer restrictions in this Section 6 and the other restrictions contained
in this Agreement, or (5) transfers pursuant to those certain put and call agreements entered into by and between the Stockholders, the
Company and certain other parties as of the date hereof.

 

		e.	In addition, after the Closing Date, if there is a Change of Control, then upon the consummation of such
Change of Control, all Covered Shares shall be released from the restrictions contained herein. A “Change of Control”
means: (a) the sale of all or substantially all of the consolidated assets of the Company and the Company’s subsidiaries to a third-party
purchaser; (b) a sale resulting in no less than a majority of the voting power of the Company being held by any Person(s) that did not
own a majority of the voting power prior to such sale; or (c) a merger, consolidation, recapitalization or reorganization of the Company
with or into a third-party purchaser that results in the inability of the pre-transaction equity holders to designate or elect a majority
of the board of directors (or its equivalent) of the resulting entity or its parent company.

 

		f.	During the 30 days after the Closing Date, each Stockholder agrees that it shall not Transfer any Company
Warrant (or any Company Ordinary Shares issued or issuable upon the exercise of the Company Warrants).

 

7.        Share
Forfeiture. To the extent the Unpaid SPAC Liabilities and Unpaid SPAC Expenses shall collectively exceed $10,000,000 without the prior
written consent of the Company, each Stockholder agrees to immediately forfeit and surrender, without further consideration, an amount
of Per Share Consideration issuable in respect of such Stockholder’s Covered Shares pursuant to the Business Combination Agreement
equal to their pro rata percentage of such excess liabilities and expenses relative to the Per Share Consideration issued to the other
members of the Sponsor Group, with the aggregate amount of Company Ordinary Shares to be forfeited pursuant to this Section 7 to equal
the quotient of the aggregate amount by which the Unpaid SPAC Liabilities and Unpaid SPAC Expenses collectively exceed $10,000,000 divided
by the Company Share Value (as adjusted pursuant to the terms of the Business Combination Agreement, if applicable).

 

8.       Further
Assurances. From time to time, at the Company’s request and without further consideration, each Stockholder shall execute and
deliver such additional documents and take all such further action as may be reasonably necessary to effect the actions and consummate
the transactions contemplated by this Agreement. Each Stockholder further agrees not to commence or participate in, and to take all actions
necessary to opt out of any class action with respect to, any action or claim, derivative or otherwise, against the Company, the Company’s
Affiliates, the Sponsor, SPAC or any of their respective successors and assigns relating to or alleging a breach of any fiduciary duty
of any Person in connection with the negotiation, execution or delivery of this Agreement, the Business Combination Agreement (including
the Per Share Consideration) or the consummation of the transactions contemplated hereby and thereby.

 

    8

     

    

 

9.        Disclosure.
Each Stockholder hereby authorizes the Company and SPAC to publish and disclose in any announcement or disclosure required by the SEC,
or include in any document or information required to be filed with or furnished to the SEC or Nasdaq, the Stockholder’s identity
and ownership of the Covered Shares and the nature of the Stockholder’s obligations under this Agreement; provided, that prior to
any such publication or disclosure, the Company and SPAC have provided the Stockholder with an opportunity to review and comment upon
such announcement or disclosure, which comments the Company and SPAC will consider in good faith.

 

10.      Changes
in Share Capital. In the event of a share split, share dividend or distribution, or any change in the Company’s share capital
by reason of any split-up, reverse share split, recapitalization, combination, reclassification, exchange of shares or the like, the terms
“Owned Shares” and “Covered Shares” shall be deemed to refer to and include such shares as well as all such share
dividends and distributions and any securities into which or for which any or all of such shares may be changed or exchanged or which
are received in such transaction.

 

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

 

12       Waiver.
Any party to this Agreement may, at any time prior to the Termination Date, waive any of the terms or conditions of this Agreement, or
agree to an amendment or modification to this Agreement in the manner contemplated by Section 11 and by an agreement in writing executed
in the same manner (but not necessarily by the same Persons) as this Agreement.

 

13       Notices.
All notices, requests, claims, demands and other communications among the parties shall be in writing and shall be deemed to have been
duly given (i) when delivered in person, (ii) when delivered after posting in the United States mail having been sent registered or certified
mail return receipt requested, postage prepaid, (iii) when delivered by FedEx or other nationally recognized overnight delivery service
or (iv) when e-mailed during normal business hours (and otherwise as of the immediately following Business Day), addressed as follows:

 

If to a Stockholder:

To such Stockholder’s address set forth in Exhibit
A.

 

with copies to (which shall not constitute notice):

 

Loeb & Loeb LLP

345 Park Avenue

 

    9

     

    

 

New York, NY 10154

Attention: Mitchell S. Nussbaum, Esq.

E-mail: mnussbaum@loeb.com

 

If to the Company, to:

 

Hub Cyber Security (Israel) Ltd.,

17, Rothchild St., Tel Aviv, Israel

Attention: Eyal Moshe

E-mail: eyal.moshe@hubsecurity.io

 

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

Latham & Watkins LLP

811 Main Street, Suite 3700

Houston, Texas 77002

Attention: Ryan J. Lynch

E-mail: Ryan.Lynch@lw.com

 

Latham & Watkins LLP

99 Bishopsgate

London EC2M 3XF

United Kingdom

Attention: Michael Rosenberg

E-mail: Michael.Rosenberg@lw.com

 

If to SPAC, to:

 

Mount Rainier Acquisition Corp.

256 W. 38th Street, 15th Floor

New York, NY 10018

Attention: Matthew Kearney

E-mail: matthewk@rainieracquisitioncorp.com

 

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

 

Loeb & Loeb LLP

345 Park Avenue

New York, NY 10154

Attention: Mitchell S. Nussbaum, Esq.

E-mail: mnussbaum@loeb.com

 

14.       No
Ownership Interest. Nothing contained in this Agreement shall be deemed to vest in the Company any direct or indirect ownership or
incidence of ownership of or with respect to the Covered Shares of any Stockholder. All rights, ownership and economic benefits of and
relating to the Covered Shares of any Stockholder shall remain vested in and belong to the Stockholder, and the Company shall have no
authority to manage, direct, restrict, regulate, govern or administer any of the policies or operations of SPAC or exercise any power
or authority to direct the Stockholder in the voting or disposition of any of the Stockholder’s Covered Shares, except as otherwise
provided herein.

 

    10

     

    

 

15.       Entire
Agreement. This Agreement and the Business Combination Agreement constitute the entire agreement among the parties hereto with respect
to the subject matter hereof and supersede all other prior agreements and understandings, both written and oral, among the parties hereto
with respect to the subject matter hereof. No representations, warranties, covenants, understandings, agreements, oral or otherwise, with
respect to the subject matter contemplated by this Agreement exist between the parties hereto except as expressly set forth or referenced
in this Agreement and the Business Combination Agreement. In the event of any inconsistency, conflict, or ambiguity as to the rights and
obligations of the parties hereto under this Agreement and the Business Combination Agreement, the terms of this Agreement shall control
and supersede any such inconsistency, conflict or ambiguity.

 

16.       No
Third-Party Beneficiaries. Each Stockholder hereby agrees that its representations, warranties and covenants set forth herein are
solely for the benefit of the Company in accordance with and subject to the terms of this Agreement, and this Agreement is not intended
to, and does not, confer upon any Person other than the parties hereto any rights or remedies hereunder, including the right to rely upon
the representations and warranties set forth herein, and the parties hereto hereby further agree that this Agreement may only be enforced
against, and any Proceeding that may be based upon, arise out of or relate to this Agreement, or the negotiation, execution or performance
of this Agreement may only be made against, the Persons expressly named as parties hereto; provided, that the Company and SPAC shall be
express third party beneficiaries with respect to Section 4, Section 5(b) and Section 9 hereof.

 

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

 

		a.	This Agreement, and all claims or causes of action based upon, arising out of, or related to this Agreement,
shall be governed by and construed in accordance with the Laws of the State of Delaware, without giving effect to any choice of law or
conflict of law provision or rule (whether of the State of Delaware or any other jurisdiction) that would cause the application of the
Law of any jurisdiction other than the State of Delaware.

 

    11

     

    

 

		b.	Each of the parties irrevocably and unconditionally submits to the exclusive jurisdiction of the Chancery
Court of the State of Delaware (or, if the Chancery Court of the State of Delaware declines to accept jurisdiction, any state or federal
court sitting in the Borough of Manhattan, State of New York, New York County), for the purposes of any Proceeding, claim, demand, action
or cause of action (a) arising under this Agreement or (b) in any way connected with or related or incidental to the dealings of the parties
in respect of this Agreement or any of the transactions contemplated hereby, and irrevocably and unconditionally waives any objection
to the laying of venue of any such Proceeding in any such court, and further irrevocably and unconditionally waives and agrees not to
plead or claim in any such court that any such Proceeding has been brought in an inconvenient forum. Each party hereby irrevocably and
unconditionally waives, and agrees not to assert, by way of motion or as a defense, counterclaim or otherwise, in any Proceeding claim,
demand, action or cause of action against such party (i) arising under this Agreement or (ii) in any way connected with or related or
incidental to the dealings of the parties in respect of this Agreement or any of the transactions contemplated hereby, (A) any claim that
such party is not personally subject to the jurisdiction of the courts as described in this Section 17 for any reason, (B) that
such party or such party’s property is exempt or immune from the jurisdiction of any such court or from any legal process commenced
in such courts (whether through service of notice, attachment prior to judgment, attachment in aid of execution of judgment, execution
of judgment or otherwise) and (C) that (x) the Proceeding, claim, demand, action or cause of action in any such court is brought against
such party in an inconvenient forum, (y) the venue of such Proceeding, claim, demand, action or cause of action against such party is
improper or (z) this Agreement, or the subject matter hereof, may not be enforced against such party in or by such courts. Each party
agrees that service of any process, summons, notice or document by registered mail to such party’s respective address set forth
in Section 13 shall be effective service of process for any such Proceeding, claim, demand, action or cause of action.

 

18.       Assignment;
Successors. No party hereto shall assign this Agreement or any part hereof without the prior written consent of the other parties.
Subject to the foregoing, this Agreement shall be binding upon and inure to the benefit of the parties hereto and their respective permitted
successors and assigns. Any attempted assignment in violation of the terms of this Section 18 shall be null and void, ab initio.

 

19.       Non-Recourse.
This Agreement may only be enforced against, and any claim or cause of action based upon, arising out of, or related to this Agreement
or the transactions contemplated hereby may only be brought against, the entities that are expressly named as parties hereto, and then
only with respect to the specific obligations set forth herein with respect to such party. Except to the extent a named party to this
Agreement (and then only to the extent of the specific obligations undertaken by such named party in this Agreement), (a) no past, present
or future director, officer, employee, incorporator, member, partner, stockholder, affiliate, agent, attorney, advisor or representative
or affiliate of any named party to this Agreement and (b) no past, present or future director, officer, employee, incorporator, member,
partner, stockholder, affiliate, agent, attorney, advisor or representative or affiliate of any of the foregoing shall have any liability
(whether in contract, tort, equity or otherwise) for any one or more of the representations, warranties, covenants, agreements or other
obligations or liabilities of any one or more of SPAC, the Company or any Stockholder under this Agreement of or for any claim based on,
arising out of, or related to this Agreement or the transactions contemplated hereby.

 

    12

     

    

 

20.       Enforcement.
The parties agree that irreparable damage for which monetary damages, even if available, would not be an adequate remedy, would occur
in the event that the parties do not perform their obligations under the provisions of this Agreement in accordance with its specified
terms or otherwise breach such provisions. The parties acknowledge and agree that (a) the parties shall be entitled to an injunction,
specific performance, or other equitable relief, to prevent breaches of this Agreement and to enforce specifically the terms and provisions
hereof, including each Stockholder’s obligations to vote its Covered Shares as provided in this Agreement, without proof of damages,
prior to the valid termination of this Agreement, this being in addition to any other remedy to which they are entitled under this Agreement,
and (b) the right of specific enforcement is an integral part of the transactions contemplated by this Agreement and without that right,
none of the parties would have entered into this Agreement. Each party agrees that it will not oppose the granting of specific performance
and other equitable relief on the basis that the other parties have an adequate remedy at Law or that an award of specific performance
is not an appropriate remedy for any reason at Law or equity. The parties acknowledge and agree that any party seeking an injunction to
prevent breaches of this Agreement and to enforce specifically the terms and provisions of this Agreement in accordance with this Section
20 shall not be required to provide any bond or other security in connection with any such injunction.

 

21.       Severability.
Whenever possible, each provision of this Agreement will be interpreted in such a manner as to be effective and valid under applicable
Law, but if any term or other provision of this Agreement is held to be invalid, illegal or unenforceable under applicable Law, all other
provisions of this Agreement shall remain in full force and effect so long as the economic or legal substance of the transactions contemplated
hereby is not affected in any manner materially adverse to any party. Upon such determination that any term or other provision of this
Agreement is invalid, illegal or unenforceable under applicable Law, the parties hereto shall negotiate in good faith to modify this Agreement
so as to effect the original intent of the parties hereto as closely as possible in an acceptable manner in order that the transactions
contemplated hereby are consummated as originally contemplated to the greatest extent possible.

 

22.       Counterparts.
This Agreement and any amendment hereto may be executed in one or more counterparts, each of which shall be deemed to be an original,
but all of which shall constitute one and the same agreement. Delivery of an executed counterpart of a signature page to this Agreement
or any amendment hereto by electronic means, including DocuSign, e-mail, or scanned pages shall be effective as delivery of a manually
executed counterpart to this Agreement or any amendment hereto.

 

    13

     

    

 

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

 

24.       Capacity
as a Stockholder. Notwithstanding anything herein to the contrary, each Stockholder signs this Agreement solely in the Stockholder’s
capacity as a Stockholder of SPAC, and not in any other capacity and this Agreement shall not limit or otherwise affect the actions of
any affiliate, employee or designee of the Stockholder or any of its affiliates in his or her capacity, if applicable, as an officer
or director of SPAC or any other Person.

 

[remainder of page intentionally left blank]

 

    14

     

    

 

IN WITNESS WHEREOF, the parties have executed this
Agreement as of the date first written abo

 

	 	STOCKHOLDERS:
	 	 	 
	 	DC RAINIER SPV LLC
	 	By: Dominion Capital LLC, its Manager
	 	By: Dominion Capital Holdings LLC, its Manager
	 	 	 
	 	By:	/s/ Mikhail Gurevich
	 	Name:	Mikhail Gurevich
	 	Title:	Managing Member
	 	 
	 	/s/ Matthew Kearney
	 	Matthew Kearney
	 	 	 
	 	/s/ Young Cho
	 	Young Cho
	 	 	 
	 	/s/ Christina Favilla
	 	Christina Favilla
	 	 	 
	 	/s/ Otto Risbakk
	 	Otto Risbakk
	 	 	 
	 	/s/ Jeffery Bistrong
	 	Jeffery Bistrong
	 	 	 
	 	A.G.P./ALLIANCE GLOBAL PARTNERS
	 	 	 
	 	By:	/s/ Thomas J. Higgins
	 	Name:	Thomas J. Higgins
	 	Title:	Managing Director
	 	 	 
	 	COMPANY:
	 	 	 
	 	HUB CYBER SECURITY (ISRAEL) LTD.
	 	 	 
	 	By:	/s/ Eyal Moshe
	 	Name:	Eyal Moshe
	 	Title:	Chief Executive Officer
	 	 	 
	 	By:	/s/ Dotan Moshe
	 	Name:	Dotan Moshe
	 	Title:	Chief Operating Officer
	 	 	 
	 	SPAC:
	 	 	 
	 	MOUNT RAINIER ACQUISITION CORP.
	 	 	 
	 	By:	/s/ Matthew Kearney
	 	Name:	Matthew Kearney
	 	Title: 	Chief Executive Officer

 

Signature Page to Sponsor Support Agreement

 

    

     

    

 

Exhibit A

 

Stockholders

 

	Stockholder	 	Number

 of Shares	 	 	Address for Notices
	DC Rainier SPV LLC	 	 	3,535,119	 	 	256 W. 38th Street, 15th Floor
 New York, NY 10018
	Matthew Kearney	 	 	346,985	 	 	256 W. 38th Street, 15th Floor
 New York, NY 10018
	Young Cho	 	 	104,095	 	 	256 W. 38th Street, 15th Floor
 New York, NY 10018
	Christina Favilla	 	 	19,167	 	 	256 W. 38th Street, 15th Floor
 New York, NY 10018
	Otto Risbakk	 	 	19,167	 	 	256 W. 38th Street, 15th Floor
 New York, NY 10018
	Jeffery Bistrong	 	 	19,167	 	 	256 W. 38th Street, 15th Floor
 New York, NY 10018
	A.G.P./Alliance Global Partners	 	 	865,000	 	 	590 Madison Avenue, 28th Floor
 New York, NY 10022
	Total	 	 	4,908,700

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