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

<P STYLE="font: normal 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: none; text-align: right; color: rgb(17,17,17)">Exhibit
<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; font-style: normal">10.12</FONT></P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center; color: #111111"> </P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-transform: uppercase; text-align: center; color: #111111">FIRST
AMENDMENT TO SUBLEASE</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center; color: #111111"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in; color: #111111">This First
Amendment to Sublease (“<B><I>First Amendment</I>”) </B>is entered into as of the 9<SUP>th</SUP> day of September, 2019, by
and between <B>NOVAVAX, INC.</B>, a Delaware corporation (“<B><I>Sublandlord</I></B>”), and <B>MAXCYTE, INC.</B>, a Delaware
corporation (“<B><I>Subtenant</I></B>”).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in; color: #111111"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center; color: #111111"><B><U>WITNESSETH</U>:</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; text-indent: 0in; color: #111111"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in; color: #111111"><B>WHEREAS</B>,
Sublandlord and Subtenant entered into a Sublease dated as of April 11, 2017 (the “<B><I>Sublease</I></B>”), whereby Subtenant
leases from Sublandlord certain premises containing approximately 6,868 rentable square feet of space, known as Suite 202 (the “<B><I>Subleased
Premises</I></B>”), on the second (2<SUP>nd</SUP>) floor of the building located at 21 Firstfield Road, Gaithersburg, Maryland 20878
(the “<B><I>Building</I></B>”), for a Sublease Term which is currently scheduled to expire on January 31, 2020 (the “<B><I>Current
Sublease Term</I></B>”); and</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in; color: #111111"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in; color: #111111"><B>WHEREAS</B>,
Sublandlord and Subtenant wish to amend the Sublease so as to extend the Sublease Term, and to make certain additional modifications to
the terms of the Sublease as set forth herein.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in; color: #111111"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in; color: #111111"><B>NOW, THEREFORE</B>,
in consideration of the covenants hereinafter set forth, and of other good and valuable consideration, the receipt and sufficiency of
which are hereby acknowledged, the parties hereto agree as follows:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in; color: #111111"> </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>Recitals;
Defined Terms</U>. The foregoing recitals are incorporated herein by this reference. Capitalized terms used and not defined herein shall
have the meanings set forth in the Sublease. as amended hereby.</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">2.<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">                 </FONT><U>Sublease
Term</U>. Notwithstanding any provision of the Sublease to the contrary, Sublandlord and Subtenant hereby acknowledge and agree that
the Sublease Term shall be extended beyond the Current Sublease Term. The “Extension Sublease Term” shall commence on February
1, 2020 (the “<B><I>Extension Sublease Term Commencement Date</I></B>”) and shall expire on October 30, 2023 (the <FONT STYLE="color: #262626">“<B><I>Extension
</I></B></FONT><B><I>Sublease Term Expiration Date</I></B>”). Subtenant shall have no right to further extend the Sublease Term
beyond the Extension Sublease Term Expiration Date, unless mutually agreed to in writing by Sublandlord and Subtenant and consented to
by Landlord (as such term “<B><I>Landlord</I></B>” is used and defined in the Sublease).</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><FONT STYLE="color: #111111"><U>Subleased
Premises</U>. Subtenant acknowledges that Subtenant is currently in possession of the Subleased Premises and Subtenant agrees to accept
the Subleased Premises in its “as is” condition for the remainder of the Current Sublease Term and the duration of the Extension
Sublease Term.</FONT></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">4.<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">                 </FONT><FONT STYLE="color: #111111"><U>Early
Termination Option</U>. Section 3 of the Sublease is amended by adding the following paragraph at the end thereof:</FONT></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 0pt 0.5in; text-align: justify; text-indent: 0in"><FONT STYLE="color: #111111">Notwithstanding
anything provided in the Sublease (as amended) to the contrary, commencing at any time from and after February 1, 2021, either
Sublandlord or </FONT><FONT STYLE="color: #0F0F0F">Subtenant, as the case may be, may elect to terminate the Sublease (other than
those provisions which are expressly stated to survive termination) upon delivering to the other party to the </FONT>Sublease at
least twelve (12) months’ prior written notice of termination, provided that if it is Subtenant that elects to terminate,
Subtenant shall, simultaneously with its notice of termination, pay to Sublandlord a termination fee in an amount equal to the
unamortized cost of the brokerage fees (amortized on a straight line basis) paid by Sublandlord to Jones Lang LaSalle Brokerage,
Inc. and Edge Commercial Real Estate in connection with the Sublease and this First Amendment.</P>

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

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

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

<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><FONT STYLE="color: #0F0F0F"><U>Base
Rent</U>. Subtenant shall continue to pay Base Rent to Sublandlord for the remainder of the Current Sublease Term in the amounts and
upon the terms and conditions set forth in the Sublease. Throughout the Extension Sublease Term, Subtenant shall pay Base Rent to Sublandlord
in the amounts set forth in the schedule below, and otherwise upon the terms and conditions set forth in the Sublease:</FONT></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" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
<TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: center">Time Period</TD>
<TD STYLE="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"> </TD>
<TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center">Per Square Foot<U><BR>
</U>Rate</TD>
<TD STYLE="padding-bottom: 1pt; font: 10pt Times New Roman, Times, Serif"> </TD>
<TD STYLE="font-size: 10pt; padding-bottom: 1pt"> </TD>
<TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: center">Annualized Base<BR> Rent</TD>
<TD STYLE="padding-bottom: 1pt; font-size: 10pt"> </TD>
<TD STYLE="font-size: 10pt; padding-bottom: 1pt"> </TD>
<TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: center">Monthly Base<BR> Rent</TD>
<TD STYLE="padding-bottom: 1pt; font-size: 10pt"> </TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
<TD STYLE="width: 58%; font-size: 10pt; text-align: center">2/1/20 - 1/31/21</TD>
<TD STYLE="width: 2%; font-size: 10pt"> </TD>
<TD STYLE="width: 1%; font-size: 10pt; text-align: left">$</TD>
<TD STYLE="width: 10%; font-size: 10pt; text-align: right">22.82</TD>
<TD STYLE="width: 1%; font-size: 10pt; text-align: left"> </TD>
<TD STYLE="width: 2%; font-size: 10pt"> </TD>
<TD STYLE="width: 1%; font-size: 10pt; text-align: left">$</TD>
<TD STYLE="width: 10%; font-size: 10pt; text-align: right">156,727.76</TD>
<TD STYLE="width: 1%; font-size: 10pt; text-align: left"> </TD>
<TD STYLE="width: 2%; font-size: 10pt"> </TD>
<TD STYLE="width: 1%; font-size: 10pt; text-align: left">$</TD>
<TD STYLE="width: 10%; font-size: 10pt; text-align: right">13,060.65</TD>
<TD STYLE="width: 1%; font-size: 10pt; text-align: left"> </TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
<TD STYLE="font-size: 10pt; text-align: center">2/1/21 - 1/31/22</TD>
<TD STYLE="font-size: 10pt"> </TD>
<TD STYLE="font-size: 10pt; text-align: left">$</TD>
<TD STYLE="font-size: 10pt; text-align: right">23.85</TD>
<TD STYLE="font-size: 10pt; text-align: left"> </TD>
<TD STYLE="font-size: 10pt"> </TD>
<TD STYLE="font-size: 10pt; text-align: left">$</TD>
<TD STYLE="font-size: 10pt; text-align: right">163,801.80</TD>
<TD STYLE="font-size: 10pt; text-align: left"> </TD>
<TD STYLE="font-size: 10pt"> </TD>
<TD STYLE="font-size: 10pt; text-align: left">$</TD>
<TD STYLE="font-size: 10pt; text-align: right">13,650.15</TD>
<TD STYLE="font-size: 10pt; text-align: left"> </TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
<TD STYLE="font-size: 10pt; text-align: center">2/1/22 <FONT STYLE="color: #777777">- </FONT>1/31/23</TD>
<TD STYLE="font-size: 10pt"> </TD>
<TD STYLE="font-size: 10pt; text-align: left">$</TD>
<TD STYLE="font-size: 10pt; text-align: right">24.92</TD>
<TD STYLE="font-size: 10pt; text-align: left"> </TD>
<TD STYLE="font-size: 10pt"> </TD>
<TD STYLE="font-size: 10pt; text-align: left">$</TD>
<TD STYLE="font-size: 10pt; text-align: right">171,150.56</TD>
<TD STYLE="font-size: 10pt; text-align: left"> </TD>
<TD STYLE="font-size: 10pt"> </TD>
<TD STYLE="font-size: 10pt; text-align: left">$</TD>
<TD STYLE="font-size: 10pt; text-align: right">14,262.55</TD>
<TD STYLE="font-size: 10pt; text-align: left"> </TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
<TD STYLE="font-size: 10pt; text-align: center">2/1/23 - 10/31/23</TD>
<TD STYLE="font-size: 10pt"> </TD>
<TD STYLE="font-size: 10pt; text-align: left">$</TD>
<TD STYLE="font-size: 10pt; text-align: right">26.04</TD>
<TD STYLE="font-size: 10pt; text-align: left"> </TD>
<TD STYLE="font-size: 10pt"> </TD>
<TD STYLE="font-size: 10pt; text-align: left">$</TD>
<TD STYLE="font-size: 10pt; text-align: right">178,842.72</TD>
<TD STYLE="font-size: 10pt; text-align: left"> </TD>
<TD STYLE="font-size: 10pt"> </TD>
<TD STYLE="font-size: 10pt; text-align: left">$</TD>
<TD STYLE="font-size: 10pt; text-align: right">14,903.56</TD>
<TD STYLE="font-size: 10pt; text-align: left"> </TD></TR>
</TABLE>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"> </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><FONT STYLE="color: #0F0F0F"><U>Brokerage Fees.</U> The parties hereto represent and warrant to each other that they have not dealt
with any broker other than Jones Lang LaSalle Brokerage, Inc. and Edge Commercial Real Estate. Sublandlord shall pay said brokers a brokerage
commission pursuant to separate agreements between Sublandlord and said brokers in connection with this First Amendment. Each party hereto
agrees to indemnify, defend and hold the other party harmless against any claim or liability for a commission by any broker, arising by
reason of a breach by the indemnifying party of the aforesaid representation and warranty.</FONT></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">7.<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">                 </FONT><FONT STYLE="color: #0F0F0F"><U>Assignment
and Sublease</U>. Section 14 of the Sublease is hereby amended by adding the following: Other than an assignment to an Affiliate, Subtenant
shall split profits, if any, of any sublease, transfer or assignment, fifty-fifty (50/50) with Sublandlord.</FONT></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><FONT STYLE="color: #0F0F0F"><U>Representations</U>. Sublandlord and Subtenant hereby acknowledge that the Sublease is in full
force and effect and Subtenant acknowledges that Sublandlord has met all of its obligations under the Sublease and is not currently in
default thereunder.</FONT></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">9.<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">                 </FONT><FONT STYLE="color: #0F0F0F"><U>Ratification</U>.
Unless a term or condition of the Sublease is expressly contradicted by the terms of this First Amendment or modified hereby, all terms
and conditions of the Sublease shall remain in full force and effect and continue to bind Sublandlord and Subtenant. In the event that
a term of this First Amendment is fundamentally inconsistent with a term of the Sublease, the terms of this First Amendment shall control.
The terms of the Sublease, as modified hereby, are ratified and affirmed by the parties.</FONT></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><FONT STYLE="color: #131313"><U>Authority</U>.
The person executing this First Amendment on behalf of Subtenant represents and warrants to Sublandlord that Subtenant has full right
and authority to enter into this </FONT>First Amendment and that he is fully authorized to execute the same on its behalf. The person
executing this First Amendment on behalf of Sublandlord represents and warrants to Subtenant that Sublandlord has full right and authority
to enter into this First Amendment and that he <FONT STYLE="color: #2A2A2A">is </FONT><FONT STYLE="color: #131313">fully authorized to
execute the same on its behalf.</FONT></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"> </P>

<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><FONT STYLE="color: #131313"><U>Entire Agreement</U>. This First Amendment constitutes the entire agreement of the parties with
respect to the subject matter addressed herein. No terms, conditions, representations, warranties, promises, or understandings, of any
nature whatsoever, express or implied, have been made or relied upon by any party hereto. This First Amendment may not be modified, waived,
discharged or terminated other than by a writing executed by the parties hereto.</FONT></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">12.<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">               </FONT><FONT STYLE="color: #131313"><U>Binding
Effect</U>. The terms of this First Amendment shall be binding upon the parties hereto and their respective successors and assigns.</FONT></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">13.<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">               </FONT><FONT STYLE="color: #131313"><U>Consent of Landlord</U>. This First Amendment is expressly contingent upon Landlord’s consent
hereto.</FONT></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: center; text-indent: 0in; color: #131313">[<B>Signature
Page Follows</B>]</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; text-indent: 0in; color: #131313"> </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; color: #363436"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; color: #363436"><B> </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in; color: #363436"><B>IN WITNESS
WHEREOF, </B>the parties hereto have executed this First Amendment as of the date first set forth above.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in; color: #363436"> </P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
<TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>WITNESS:</B></FONT></TD>
<TD> </TD>
<TD COLSPAN="3"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>SUBLANDLORD:</B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
<TD> </TD>
<TD> </TD>
<TD COLSPAN="3"> </TD></TR>
<TR STYLE="vertical-align: top">
<TD> </TD>
<TD> </TD>
<TD COLSPAN="3"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>Novavax, Inc</B>.</FONT></TD></TR>
<TR STYLE="vertical-align: top">
<TD> </TD>
<TD> </TD>
<TD COLSPAN="3"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">a Delaware corporation</FONT></TD></TR>
<TR STYLE="vertical-align: top">
<TD> </TD>
<TD> </TD>
<TD> </TD>
<TD> </TD>
<TD> </TD></TR>
<TR STYLE="vertical-align: top">
<TD STYLE="border-bottom: Black 1pt solid; width: 49%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">/s/ Jonathan Wallinger</FONT></TD>
<TD STYLE="width: 2%"> </TD>
<TD STYLE="width: 5%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">By:</FONT></TD>
<TD STYLE="border-bottom: Black 1pt solid; width: 39%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">/s/ John A. Herrmann III</FONT></TD>
<TD STYLE="width: 5%"> (<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">SEAL)</FONT></TD></TR>
<TR STYLE="vertical-align: top">
<TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Name: Jonathan Wallinger</FONT></TD>
<TD> </TD>
<TD STYLE="white-space: nowrap"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name:</FONT></TD>
<TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">John A. Herrmann III</FONT></TD>
<TD> </TD></TR>
<TR STYLE="vertical-align: top">
<TD> </TD>
<TD> </TD>
<TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Title:</FONT></TD>
<TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">SVP, General Counsel</FONT></TD>
<TD> </TD></TR>
<TR STYLE="vertical-align: top">
<TD> </TD>
<TD> </TD>
<TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Date: </FONT></TD>
<TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">11 September 2019</FONT></TD>
<TD> </TD></TR>
<TR STYLE="vertical-align: top">
<TD> </TD>
<TD> </TD>
<TD> </TD>
<TD> </TD>
<TD> </TD></TR>

<TR STYLE="vertical-align: top">
<TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>WITNESS:</B></FONT></TD>
<TD> </TD>
<TD COLSPAN="3"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>SUBTENANT:</B></FONT></TD></TR>
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<TD> </TD>
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<TD COLSPAN="3"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>MaxCyte, Inc.</B></FONT></TD></TR>
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<TD COLSPAN="3"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">a Delaware corporation</FONT></TD></TR>
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<TD STYLE="border-bottom: Black 1pt solid; width: 49%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">/s/ Maher Masoud</FONT></TD>
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<TD STYLE="width: 5%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">By:</FONT></TD>
<TD STYLE="border-bottom: Black 1pt solid; width: 39%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">/s/ Ron Holtz</FONT></TD>
<TD STYLE="width: 5%"> (<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">SEAL)</FONT></TD></TR>
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<TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Name: Maher Masoud</FONT></TD>
<TD> </TD>
<TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Name:</FONT></TD>
<TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Ron Holtz</FONT></TD>
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<TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Title:</FONT></TD>
<TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Chief Financial Officer</FONT></TD>
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<TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Date: </FONT></TD>
<TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">10 September 2019</FONT></TD>
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