<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right">Exhibit 10.1</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center"> </P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center">MAXCYTE, INC.</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center"> </P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center">LONG - TERM INCENTIVE
PLAN</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center"> </P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center"><FONT STYLE="text-transform: none">(Formerly
known as MaxCyte, Inc. 2000 Long-Term Incentive Plan) Amended<BR>
and Restated as of May 17, 2016</FONT></P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">1.<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">           
</FONT><U>Definitions</U>. In this Plan, except where the context otherwise indicates, the following definitions shall apply:</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.1<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">             
</FONT>“<B><I>Affiliate</I></B>” means a corporation that is a parent or subsidiary corporation of the Company, as defined
in Sections 424(e) or (f) of the Code (but substituting “the Company” for “employer corporation”).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.2<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">             
</FONT>“<B><I>Agreement</I></B>” means a written agreement evidencing an Award.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.3<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">             
</FONT>“<B><I>Award</I></B>” means a grant of an Option or Performance Award or an award of Restricted Stock or Incentive
Shares.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.4<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">             
</FONT>“<B><I>Board</I></B>” means the Board of Directors of the Company.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.5<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">             
</FONT>“<B><I>Code</I></B>” means the Internal Revenue Code of 1986, as amended.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.6<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">             
</FONT>“<B><I>Committee</I></B>” means such committee(s), subcommittee(s) or person(s) appointed by the Board to administer
this Plan or to make and/or administer specific Awards hereunder. If no such appointment is in effect at any time, “Committee”
shall mean the Board.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.7<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">             
</FONT>“<B><I>Common Stock</I></B>” means the common stock, par value $.01 per share, of the Company.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.8<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">             
</FONT>“<B><I>Company</I></B>” means MaxCyte, Inc. (formerly known as TheraMed, Inc.) and any successor thereto.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.9<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">             
</FONT>“<B><I>Date of Exercise</I></B>” means the date on which the Company receives notice of the exercise of an Option in
accordance with the terms of Section 7.1.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.10<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT>“<B><I>Date of Grant</I></B>” means the date on which an Option, or Performance Award is granted or Restricted Stock
or Incentive Shares are awarded under this Plan.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.11<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT>“<B><I>Eligible Person</I></B>” means (a) any person who is an Employee (b) any person who is hired to be an Employee,
(c) any Non-Employee Director and (d) any consultant or independent contractor to the Company or an Affiliate who is determined by the
Committee to render key services to the Company or an Affiliate.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.12<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT>“<B><I>Employee</I></B>” means any person determined by the Committee to be an employee of the Company or an Affiliate.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.13<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT>“<B><I>EntreMed</I></B>” means EntreMed, Inc., a Delaware corporation, and any successor thereto.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.14<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT> “<B><I>Exchange Act</I></B>” means the Securities Exchange Act of 1934, as amended.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.15<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT>“<B><I>Exchange Stock</I></B>” means the capital stock of another corporation received by the stockholders of the Company,
as part of an Exchange Transaction.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.16<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">        
</FONT>“<B><I>Exchange Transaction</I></B>” means a merger (other than a merger of the Company in which the holders of the
Common Stock immediately prior to the merger have the same proportionate ownership of Common Stock in the surviving corporation immediately
after the merger), consolidation, acquisition or disposition of property or stock, separation, reorganization (other than a mere reincorporation
or the creation of a holding company), liquidation of the Company or any other similar transaction or event, in the case of each type
of transaction, so designated by the Board, acting in its discretion, as a result of which the stockholders of the Company receive cash,
stock or other property in exchange for or in connection with their Shares of Common Stock.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.17<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT>“<B><I>Fair Market Value</I></B>” means an amount equal to the then fair market value of a Share as determined by the
Committee pursuant to a reasonable method adopted in good faith for such purpose, or, unless otherwise determined by the Committee, if
the Shares become registered under the Securities Act of 1933 and the Shares are traded on a securities exchange or automated dealer quotation
system, fair market value shall be the last sale price for a Share on such securities exchange or automated dealer quotation system as
reported by such source as the Committee may select.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.18<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT>“<B><I>Incentive Shares</I></B>” means an award providing for the contingent grant of Shares pursuant to the provisions
of Section 9.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.19<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT>“<B><I>Incentive Stock Option</I></B>” means an Option granted under this Plan that the Company designates as an incentive
stock option under Section 422 of the Code.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.20<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT>“<B><I>Non-Employee Director</I></B>” means any member of the Company’s or an Affiliate’s Board of Directors
who is not an Employee.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.21<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT>“<B><I>Nonstatutory Stock Option</I></B>” means an Option granted under this Plan that is not an Incentive Stock Option.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.22<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT>“<B><I>Option</I></B>” means an option to purchase Shares granted under this Plan in accordance with the terms of Section
6.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.23<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT>“<B><I>Option Period</I></B>” means the period during which an Option may be exercised.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.24<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT>“<B><I>Option Price</I></B>” means the price per Share at which an Option may be exercised.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.25<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT>“<B><I>Participant</I></B>” means an Eligible Person who has received an Award hereunder.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.26<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT> “<B><I>Performance Award</I></B>” means a performance award granted under the Plan in accordance with the terms of
Section 10.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.27<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">        
</FONT>“<B><I>Performance Goals</I></B>” means performance goals established by the Committee which may be based on earnings
or earnings growth, sales, return on assets, cash flow, total shareholder return, equity or investment, regulatory compliance, satisfactory
internal or external audits, improvement of financial ratings, achievement of balance sheet or income statement objectives, or any other
objective goals established by the Committee, and may be absolute in their terms or measured against or in relationship to other companies
comparably, similarly or otherwise situated. Such performance standards may be particular to an Eligible Person or the department, branch,
Affiliate or other division in which he or she works, or may be based on the performance of the Company generally, and may cover such
period as may be specified by the Committee.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.28<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT>“<B><I>Plan</I></B>” means the MaxCyte, Inc. Long-Term Incentive Plan, as amended from time to time.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.29<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT>“<B><I>Restricted Stock</I></B>” means Shares awarded under the Plan pursuant to the provisions of Section 8.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.30<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT>“<B><I>Share</I></B>” means a share of Common Stock.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">1.31<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">        
</FONT>“<B><I>Ten-Percent Stockholder</I></B>” means a Participant who (applying the rules of Section 424(d) of the Code)
owns stock possessing more than 10% of the total combined voting power of all classes of stock of the Company or an Affiliate.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">2.<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">            
</FONT><U>Purpose</U>. This Plan is intended to assist the Company and its Affiliates in attracting and retaining Eligible Persons of
outstanding ability and to promote the identification of their interests with those of the stockholders of the Company and its Affiliates.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">3.<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">          
</FONT><U>Administration</U>. The Committee shall administer this Plan and shall have plenary authority, in its discretion, to award
Options, Restricted Stock, Incentive Shares and Performance Awards to Eligible Persons, subject to the provisions of this Plan. The Committee
shall have plenary authority and discretion, subject to the provisions of this Plan, to determine the Eligible Persons to whom Options,
or Performance Awards shall be granted and to whom Restricted Stock or Incentive Shares shall be awarded, the terms (which terms need
not be identical) of all Awards to Eligible Persons, including without limitation the Option Price of Options, the time or times at which
Awards are made, the number of Shares covered by Awards, whether an Option shall be an Incentive Stock Option or a Nonstatutory Stock
Option, any exceptions to non-transferability, any Performance Goals applicable to Awards, any provisions relating to vesting, and the
period during which Options may be exercised and Restricted Stock shall be subject to restrictions. In making these determinations, the
Committee may take into account the nature of the services rendered or to be rendered by the Award recipients, their present and potential
contributions to the success of the Company and its Affiliates, and such other factors as the Committee in its discretion shall deem
relevant. Subject to the provisions of the Plan, the Committee shall have plenary authority to interpret the Plan, prescribe, amend and
rescind rules and regulations relating to it, and make all other determinations deemed necessary or advisable for the administration
of this Plan. The determinations of the Committee on the matters referred to in this Section 3 shall be binding and final.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">4.<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT><U>Eligibility</U>. Options, Restricted Stock, Incentive Shares and Performance Awards may be granted or awarded only to Eligible
Persons; provided, however, that Incentive Stock Options may not be granted to Eligible Persons who are not Employees.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">5.<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">           
</FONT><U>Stock Subject to Plan</U>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">5.1<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">             
</FONT>Subject to adjustment as provided in Section 11, the maximum number of Shares that may be issued under this Plan is a number of
Shares equal to the sum of (a) 6,264,682 Shares plus (b) ten percent (10%) of the Shares that are issued and outstanding at the time Awards
are made under the Plan from time to time, provided, however, that when the right to acquire Shares under an Award has been released,
lapsed, or otherwise become incapable of exercise, such Shares shall be capable of being issued under a new Award under the Plan.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">5.2<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">             
</FONT>If an Option expires or terminates for any reason without having been fully exercised, if Shares of Restricted Stock are forfeited
or if Shares covered by an Incentive Share Award or Performance Award are not issued or are forfeited, the unissued or forfeited Shares
which had been subject to the Award shall become available for the grant of additional Awards. In no event shall Shares which, under this
Plan, are authorized to be used in payment of an Incentive Share or Performance Awards be deemed to be unavailable for purposes of the
Plan until such Shares have been issued in payment thereof in accordance with the provisions of Sections 9 and 10.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">6.<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">          
</FONT><U>Options</U>.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">6.1<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">             
</FONT>Options granted under this Plan to Eligible Persons shall be either Incentive Stock Options or Nonstatutory Stock Options, as designated
by the Committee; provided, however, that Incentive Stock Options may not be granted to Eligible Persons who are not Employees. Each Option
granted under this Plan shall be clearly identified either as a Nonstatutory Stock Option or an Incentive Stock Option and shall be evidenced
by an Agreement that specifies the terms and conditions of the grant. Options shall be subject to the terms and conditions set forth in
this Section 6 and such other terms and conditions not inconsistent with this Plan as the Committee may specify.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">6.2<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">             
</FONT>The price per share of Common Stock at which an Option granted under this Plan may be exercised shall not be less than one hundred
percent (100%) of the Fair Market Value of the Common Stock on the Date of Grant. Notwithstanding the foregoing, in the case of an Incentive
Stock Option granted to a Participant who, at the time of grant, is a Ten Percent Shareholder, the exercise price per share shall not
be less than one hundred and ten percent (110%) of the Fair Market Value of the Common Stock on the date on which the Option is granted.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">6.3<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">             
</FONT>The Option Period shall be determined by the Committee and specifically set forth in the Agreement; provided, however, that an
Option shall not be exercisable after ten years (five years in the case of an Incentive Stock Option granted to a Ten-Percent Stockholder)
from its Date of Grant.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">6.4<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">             
</FONT> The Committee, in its discretion, may provide in an Agreement for the right of a Participant to surrender to the Company an Option
(or a portion thereof) that has become exercisable and to receive upon such surrender, without any payment to the Company (other than
required tax withholding amounts) that number of Shares (equal to the highest whole number of Shares) having an aggregate fair market
value as of the date of surrender equal to that number of Shares subject to the Option (or portion thereof) being surrendered multiplied
by an amount equal to the excess of (i) the Fair Market Value on the date of surrender over (ii) the Option Price, plus an amount of cash
equal to the fair market value of any fractional Share to which the Participant would be entitled but for the parenthetical above relating
to whole number of Shares. Any such surrender shall be treated as the exercise of the Option (or portion thereof).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">7.<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">           
</FONT><U>Exercise of Options</U>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">7.1<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">             
</FONT>An Option may, subject to the terms of the applicable Agreement under which it was granted, be exercised in whole or in part by
the delivery to the Company of written notice of the exercise, in such form as the Committee may prescribe, accompanied, in the case of
an Option, by (a) a full payment for the Shares with respect to which the Option is exercised or (b) irrevocable instructions to a broker
to deliver promptly to the Company cash equal to the exercise price of the Option. To the extent provided in the applicable Option Agreement,
payment may be made in whole or in part by delivery (including constructive delivery) of Shares (provided that such Shares have been held
by the Participant for at least six (6) months) valued at Fair Market Value on the Date of Exercise or by delivery of a promissory note
as provided in Section 7.2 hereof.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">7.2<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">             
</FONT>To the extent provided in an Agreement and permitted by applicable law, the Committee may accept as partial payment of the Option
Price a promissory note executed by the Participant evidencing his or her obligation to make future cash payment thereof. Promissory notes
made pursuant to this Section 7.2 shall be payable upon such terms as may be determined by the Committee, shall be secured by a pledge
of the Shares received upon exercise of the Option, or other securities the Committee may deem to be acceptable for such purposes, and
shall bear interest at a rate fixed by the Committee.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">7.3<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">             
</FONT>Options granted under this Plan shall not be transferable except by will, the laws of descent and distribution, or as provided
by the Committee in an Agreement.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">Notwithstanding the preceding
sentence, the Committee may determine at the time a Nonstatutory Stock Option is granted to a Participant or thereafter that the Option
is transferable by the Participant to such persons, including, without limitation, members of the Participant’s immediate family
or a trust created for the benefit of any members of the Participant’s immediate family, under such circumstances and subject to
such conditions as the Committee may prescribe.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">8.<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">           
</FONT><U>Restricted Stock Awards</U>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">8.1<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">              </FONT>Restricted
Stock awards under this Plan shall consist of Shares that are restricted against transfer, subject to forfeiture, and subject to
such other terms and conditions as may be determined by the Committee. Such terms and conditions may provide, in the discretion of
the Committee, for the vesting of such awards to be contingent upon the achievement of one or more specified Performance Goals.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">8.2<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">             
</FONT>Restricted Stock awards under this Plan shall be evidenced by Agreements specifying the terms and conditions of the Award. Each
Agreement evidencing an Award of Restricted Stock shall contain the following:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1.5in">(a)<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">              
</FONT>prohibitions against the sale, assignment, transfer, exchange, pledge, hypothecation, or other encumbrance of (i) the Shares awarded
as Restricted Stock under this Plan, (ii) the right to vote the Shares, and (iii) the right to receive dividends thereon, in each case
during, the restriction period applicable to the Shares; provided, however, that the Participant shall have all the other rights of a
stockholder including without limitation the right to receive dividends and the right to vote the Shares;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1.5in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1.5in">(b)<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">              
</FONT>a requirement that each certificate representing Shares of Restricted Stock shall be deposited with the Company, or its designee,
and shall bear the following legend:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1.5in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 1in 0pt 1.5in; text-align: justify; text-indent: 0in">“This certificate
and the shares of stock represented hereby are subject to the terms and conditions (including the risks of forfeiture and restrictions
against transfer) contained in the MaxCyte, Inc. 2000 Long-Term Incentive Plan, and an Agreement entered into between the registered owner
and MaxCyte, Inc. Release from such terms and conditions shall be made only in accordance with the provisions of this Plan and the Agreement,
a copy of each of which is on file in the office of the Secretary of MaxCyte, Inc.”</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 1in 0pt 1.5in; text-align: justify; text-indent: 0in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1.5in">(c)<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">              
</FONT>the terms and conditions upon which any restrictions applicable to Shares of Restricted Stock shall lapse and new certificates
free of the foregoing legend shall be issued to the Participant or his or her legal representative; and</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1.5in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1.5in">(d)<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">              
</FONT>such other terms, conditions and restrictions as the Committee in its discretion may specify, including without limitation terms
that condition the lapse of forfeiture and transfer restrictions upon the achievement of Performance Goals.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1.5in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">9.<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">            
</FONT><U>Incentive Share Awards</U>. Incentive Shares awarded under this Plan shall be evidenced by an Agreement specifying the terms
and conditions of such Award. Incentive Share Awards shall provide for the issuance of Shares to a Participant at such times and subject
to such terms and conditions as determined by the Committee, including without limitation terms that condition the issuance of Shares
upon the achievement of Performance Goals.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">10.<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">           </FONT><U>Performance
Awards</U>. Performance Awards granted under this Plan shall be evidenced by an Agreement specifying the terms and conditions of
such Award. Performance Awards shall become payable on account of attainment of one or more Performance Goals established by the
Committee. Performance Awards may be paid by the delivery of Common Stock or cash, or any combination of Common Stock and cash, as
specified in the Agreement. If a Performance Award is paid in cash, the Award shall be deemed, for purposes of Section 5.1 hereof,
to cover a number of shares of Common Stock equal to the quotient obtained by dividing the dollar amount of the Award payment by the
Fair Market Value of a Share as of the date of payment, rounded to the next highest whole number.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"> </P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">11.<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT><U>Capital Changes; Other Transactions</U>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">11.1<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT><U>Recapitalizations</U>. If any change is made to the Common Stock by reason of any stock split, stock dividend, recapitalization,
combination of shares, exchange of shares or other change affecting the outstanding Common Stock as a class without the Company’s
receipt of consideration, appropriate corresponding adjustments shall be made to: (1) the maximum number and/or class of securities issuable
under the Plan, and (2) the number and/or class of securities covered by each outstanding Award, and (3) the exercise price per share
in effect under each outstanding Option.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">11.2<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT><U>Extension of Exercise Period</U>. The Committee, at the time an Option is granted or thereafter, may provide for an extended
exercise period with respect to Options held by Participants whose employment with the Company is terminated for any reason other than
by the Company for “cause” (as such term is defined by the Committee in the Option agreement), provided that the extended
post-termination exercise period may not extend beyond the earlier of (a) the seventh anniversary of such date, or (b) the tenth anniversary
of the date the Option is granted.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">11.3<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT><U>Effect of Exchange Transactions</U>. In the event of and in connection with an Exchange Transaction, the Board may take such
actions as it deems necessary or appropriate in order to provide for the orderly disposition of outstanding Options in a manner which
is in the best interests of the Company and its stockholders. Such actions may include, without limitation, (a) accelerating the vesting
of outstanding Options, in whole or in part, so that the holders of such Options may participate in or be cashed out in connection with
the Exchange Transaction, or (b) if, as part of an Exchange Transaction, the stockholders of the Company receive Exchange Stock in exchange
for their Shares (whether or not such Exchange Stock is the sole consideration), converting outstanding Options in whole or in part into
Options to purchase Shares of Exchange Stock. Any such conversion shall be made in a manner that is consistent with the requirements of
Treasury Regulations Section 1.424-1(a)(3) and Section 409A of the Code. Unless the Board determines otherwise, the vesting conditions
with respect to the converted options shall be substantially the same as the vesting conditions set forth in the original option agreement.
Any vested Options that are neither converted into options to purchase Exchange Stock nor exercised or cashed out prior to the Exchange
Transaction will thereupon terminate. For the purposes hereof, a “change in control” within the meaning of a participant’s
award agreement will be deemed to be an Exchange Transaction and the provisions of the participant’s agreement relating to the effect
of a change in control will be disregarded if and to the extent such provisions are not consistent with the provisions hereof.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">12.<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">          </FONT><U>Drag
 – Along Right.</U>	In the event of an Exchange Transaction, the Company may require each Participant who has exercised all
or part of an Option to participate in such Exchange Transaction with respect to all or a proportionate number of the
Participant’s Shares. In order to exercise its Drag-Along Right, the Company shall deliver to each affected Participant
written notice (the “<B><I>Drag –Along Notice</I></B>”) specifying the material terms of the Exchange Transaction,
including the identity of the purchaser, the terms of the transaction and the costs expected to be incurred in connection with such
transaction. The Committee shall establish such rules and procedures as it deems necessary or advisable in order to administer the
Drag-Along Right of the Company in a uniform and non-discriminatory manner with respect to the affected participants. Each affected
participant will be required to acknowledge the Company’s Drag-Along Right and to abide by the terms and conditions thereof as
a condition to the exercise of the Participant’s Option. This Section 12 shall terminate immediately prior to an initial
public offering of the Company’s Common Stock.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">13.<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT><U>Termination or Amendment</U>. The Board may amend, alter or terminate this Plan in any respect at any time; provided, however,
that, after this Plan has been approved by the stockholders of the Company, no amendment, alteration or termination of this Plan shall
be made by the Board without approval of (a) the Company’s stockholders to the extent stockholder approval of the amendment is required
by applicable law or regulations or the requirements of the principal exchange or interdealer quotation system on which the Common Stock
is listed or quoted, if any, and (b) each affected Participant if such amendment, alteration or termination would adversely affect his
or her rights or obligations under any Award made prior to the date of such amendment, alteration or termination.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">14.<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT><U>Modification, Extension, Renewal, Substitution</U>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">14.1<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT>Subject to the terms and conditions of this Plan, the Committee may modify, extend or renew outstanding Options, or accept the
surrender of outstanding Options granted under this Plan or options granted under any other plan of the Company or an Affiliate (to the
extent not theretofore exercised), and authorize the granting of new Options pursuant to this Plan in substitution therefor. Any substituted
Options may specify a lower exercise price than the surrendered options, a longer term than the surrendered options, or have any other
provisions that are authorized by this Plan. Subject to the terms and conditions of this Plan, the Committee may modify the terms of any
outstanding Awards. Notwithstanding the foregoing, however, no modification of an Award shall, without the consent of the Participant,
alter or impair any of the Participant’s rights or obligations under such Award.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">14.2<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT>Anything contained herein to the contrary notwithstanding, Options, Restricted Stock, Incentive Shares and Performance Awards may,
at the discretion of the Committee, be granted under this Plan in substitution for options and such other awards covering capital stock
of another corporation which is merged into, consolidated with, or all or a substantial portion of the property or stock of which is acquired
by, the Company or one of its Affiliates. The terms and conditions of the substitute Awards so granted may vary from the terms and conditions
set forth in this Plan to such extent as the Committee may deem appropriate in order to conform, in whole or part, to the provisions of
the awards in substitution for which they are granted. Such substitute Awards granted hereunder shall not be counted toward the Share
limit imposed clause (b) of the first sentence of Section 5.1.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">15.<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">        
</FONT><U>Effectiveness of this Plan</U>. This Plan and any amendments hereto requiring stockholder approval pursuant to Section 12 are
subject to approval by vote of the stockholders of the Company at the next annual or special meeting of stockholders following adoption
by the Board. Subject to such stockholder approval, this Plan and any amendments hereto are effective on the date on which they are adopted
by the Board.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">16.<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT> <U>Withholding</U>. The Company’s obligation to deliver Shares or pay any amount pursuant to the terms of any Award hereunder
shall be subject to satisfaction of applicable federal, state and local tax withholding requirements. To the extent provided in the applicable
Agreement and in accordance with rules prescribed by the Committee, a Participant may satisfy any such withholding tax obligation by any
of the following means or by a combination of such means: (a) tendering a cash payment, (b) authorizing the Company to withhold Shares
otherwise issuable to the Participant, or (c) delivering to the Company already owned and unencumbered Shares.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">17.<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT><U>Terms of this Plan</U>. Unless sooner terminated by the Board pursuant to Section 12, this Plan shall terminate on December
31, 2026, and no Awards may be granted or awarded after such date. The termination of this Plan shall not affect the validity of any Award
outstanding on the date of termination.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">18.<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">        
</FONT><U>Indemnification of Committee</U>. In addition to such other rights of indemnification as they may have as Directors or as members
of the Committee, the members of the Committee shall be indemnified by the Company against all reasonable expenses, including attorneys’
fees, actually and reasonably incurred in connection with the defense of any action, suit or proceeding, or in connection with any appeal
therein, to which they or any of them may be a party by reason of any action taken or failure to act under or in connection with this
Plan or any Option, Restricted Stock, Incentive Shares or Performance Awards granted or awarded hereunder, and against all amounts reasonably
paid by them in settlement thereof or paid by them in satisfaction of a judgment in any such action, suit or proceeding, if such members
acted in good faith and in a manner which they believed to be in, and not opposed to, the best interests of the Company.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">19.<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT><U>General Provisions</U>.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">19.1<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT>The establishment of this Plan shall not confer upon any Eligible Person any legal or equitable right against the Company, any
Affiliate or the Committee, except as expressly provided in this Plan.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">19.2<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT>This Plan does not constitute inducement or consideration for the employment or service of any Eligible Person, nor is it a contract
between the Company or any Affiliate and any Eligible Person. Participation in this Plan shall not give a an Eligible Person any right
to be retained in the service of the Company or any Affiliate.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">19.3<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT>Neither the adoption of this Plan nor its submission to the stockholders, shall be taken to impose any limitations on the powers
of the Company or its Affiliates to issue, grant, or assume options, warrants, rights, or restricted stock, or other awards otherwise
than under this Plan, or to adopt other stock option, restricted stock, or other plans or to impose any requirement of stockholder approval
upon the same.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">19.4<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT>The interests of any Eligible Person under this Plan are not subject to the claims of creditors and may not, in any way, be assigned,
alienated or encumbered except as provided in an Agreement.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">19.5<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT>This Plan shall be governed, construed and administered in accordance with the laws of the State of Delaware.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">19.6<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT> The Committee may require each person acquiring Shares pursuant to Awards hereunder to represent to and agree with the Company
in writing that such person is acquiring the Shares without a view to distribution thereof. The certificates for such Shares may include
any legend which the Committee deems appropriate to reflect any restrictions on transfer. All certificates for Shares issued pursuant
to this Plan shall be subject to such stock transfer orders and other restrictions as the Committee may deem advisable under the rules,
regulations and other requirements of the Securities and Exchange Commission, any stock exchange upon which the Common Stock is then listed
or interdealer quotation system upon which the Common Stock is then quoted, and any applicable federal or state securities laws. The Committee
may place a legend or legends on any such certificates to make appropriate reference to such restrictions.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">19.7<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">         
</FONT>The Company shall not be required to issue any certificate or certificates for Shares with respect to Awards under this Plan, or
record any person as a holder of record of such Shares, without obtaining, to the complete satisfaction of the Committee, the approval
of all regulatory bodies deemed necessary by the Committee, and without complying to the Board’s or Committee’s complete satisfaction,
with all rules and regulations, under federal, state or local law deemed applicable by the Committee.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; text-indent: 0in"><B>MaxCyte, Inc.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; text-indent: 0in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; text-indent: 0in"><B><U>LONG TERM INCENTIVE PLAN</U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; text-indent: 0in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; text-indent: 0in"><B>UK SUB-PLAN</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; text-indent: 0in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0in">The Board has adopted this sub-plan
for the purposes of the Long Term Incentive Plan’s operation in the UK. Any Awards granted under the Plan to a Participant who is
resident in the UK shall be subject to the following additional limitations, terms and conditions.</P>

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<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in">1.</TD><TD STYLE="text-align: justify">The definition in section 1.1 (<B>Affiliate</B>) shall be amended in relation to Awards granted pursuant
to this Sub-Plan so that it reads as follows:</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: justify; text-indent: -0.5in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: justify; text-indent: 0in">“<B><I>Affiliate</I></B>”
means the Company and/or any member of the Company’s group (as defined in sections 554Z(5) and (6) of part 7A of the Income Tax
(Earnings & Pensions) Act 2003).</P>

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<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in">2.</TD><TD STYLE="text-align: justify">The definition in section 1.11 (<B>Eligible Person</B>) shall be amended in relation to Awards granted
pursuant to this Sub-Plan so that it reads as follows:</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: justify; text-indent: -0.5in"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: justify; text-indent: 0.5in">“<B><I>Eligible
Person</I></B>” means any person who is an Employee of the Company or an Affiliate.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: justify; text-indent: 0.5in"> </P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in">3.</TD><TD STYLE="text-align: justify">The definition in section 1.12 (<B>Employee</B>) shall be amended in relation to Awards granted pursuant
to this Sub-Plan so that it reads as follows:</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: justify; text-indent: -0.5in"> </P>

<P STYLE="text-indent: 1.5in; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0; margin-bottom: 0pt; text-align: justify">“<B><I>Employee</I></B>”
means any person who is a bona fide employee of the Company or an Affiliate (including any director who is also an employee) as determined
by the Committee.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"> </P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in">4.</TD><TD STYLE="text-align: justify">The grant of Awards in the form of Options to Eligible Persons in the UK will be implemented in accordance
with the rules of the Plan (as amended by this Sub-Plan) and the terms and conditions of the UK Option Agreement attached to this Sub-Plan
(as amended by the Committee in its absolute discretion from time to time).</TD></TR></TABLE>



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