<SEC-DOCUMENT>0001193125-22-246070.txt : 20220916
<SEC-HEADER>0001193125-22-246070.hdr.sgml : 20220916
<ACCEPTANCE-DATETIME>20220916084344
ACCESSION NUMBER:		0001193125-22-246070
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20220916
DATE AS OF CHANGE:		20220916

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Rigetti Computing, Inc.
		CENTRAL INDEX KEY:			0001838359
		STANDARD INDUSTRIAL CLASSIFICATION:	BLANK CHECKS [6770]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-266810
		FILM NUMBER:		221247023

	BUSINESS ADDRESS:	
		STREET 1:		775 HEINZ AVENUE
		CITY:			BERKELEY
		STATE:			CA
		ZIP:			94710
		BUSINESS PHONE:		(510) 210-5550

	MAIL ADDRESS:	
		STREET 1:		775 HEINZ AVENUE
		CITY:			BERKELEY
		STATE:			CA
		ZIP:			94710

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Supernova Partners Acquisition Co II, Ltd.
		DATE OF NAME CHANGE:	20201230
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B3
<SEQUENCE>1
<FILENAME>d383017d424b3.htm
<DESCRIPTION>424B3
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<TITLE>424B3</TITLE>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B>Filed Pursuant to Rule 424(b)(3)<BR>Registration No. 333-266810 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>PROSPECTUS SUPPLEMENT NO. 1 </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>(To Prospectus dated
August&nbsp;25, 2022) </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P> <P STYLE="margin-top:0pt;margin-bottom:0pt" ALIGN="center">


<IMG SRC="g383017g0916045029187.jpg" ALT="LOGO">
<B> </B> </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>UP TO 500,000 SHARES OF COMMON STOCK </B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">This prospectus supplement supplements the prospectus, dated August&nbsp;25, 2022 (the &#147;Prospectus&#148;), which forms a part of our
registration statement on Form <FONT STYLE="white-space:nowrap">S-1</FONT> (No. <FONT STYLE="white-space:nowrap">333-266810).</FONT> This prospectus supplement is being filed to update and supplement the information in the Prospectus with the
information contained in our Current Report on Form <FONT STYLE="white-space:nowrap">8-K</FONT> filed with the Securities and Exchange Commission on September&nbsp;16, 2022 (the &#147;Current Report&#148;). Accordingly, we have attached the Current
Report to this prospectus supplement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">The Prospectus and this prospectus supplement relate to the offer and sale from time to time by
Ampere Computing LLC or its permitted transferees (&#147;Ampere&#148; or the &#147;selling stockholder&#148;) of up to 500,000 shares (the &#147;Shares&#148;) of common stock, par value $0.0001 (the &#147;common stock&#148;), of the Company, issued
upon the exercise of the vested portion of that certain warrant issued to the selling stockholder (the &#147;Ampere Warrant&#148;) pursuant to the warrant subscription agreement, dated as of October&nbsp;6, 2021, by and between Legacy Rigetti (as
defined below) and Ampere (the &#147;Warrant Subscription Agreement&#148;), for an aggregate purchase price (including amounts for exercise) of $10,000,000, or $10.00 per share. The Shares consist of 500,000 outstanding shares of common stock issued
in connection with the exercise of the vested portion of the Ampere Warrant and receipt by the Company of an aggregate $5,000,000 (including aggregate exercise price). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">The selling stockholder may offer, sell or distribute all or a portion of the Shares publicly or through private transactions at prevailing
market prices or at negotiated prices. We will not receive any of the proceeds from such sales of the Shares. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">We will bear all costs,
expenses and fees in connection with the registration of these Shares, including with regard to compliance with state securities or &#147;blue sky&#148; laws. The selling stockholder will bear all commissions and discounts, if any, attributable to
their sale of Shares. See the section entitled &#147;Plan of Distribution.&#148; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">This prospectus supplement updates and supplements the
information in the Prospectus and is not complete without, and may not be delivered or utilized except in combination with, the Prospectus, including any amendments or supplements thereto. This prospectus supplement is qualified by reference to the
Prospectus, including any amendments or supplements thereto, except to the extent that the information in this prospectus supplement updates and supersedes the information contained therein. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">Our common stock is listed on the Nasdaq Capital Market under the symbol &#147;RGTI&#148;. On September&nbsp;15, 2022, the last reported sales
price of our common stock was $2.28 per share. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">We are an &#147;emerging growth company&#148; as defined under U.S. federal securities
laws and, as such, have elected to comply with reduced public company reporting requirements. The Prospectus complies with the requirements that apply to an issuer that is an emerging growth company. </P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:11%; font-size:12pt; font-family:Times New Roman"><B>Investing in our securities involves a high degree of risks. You should review carefully the risks and uncertainties described in the
section titled &#147;<U>Risk Factors</U>&#147; beginning on page 16 of the Prospectus, and under similar headings in any amendments or supplements to the Prospectus.</B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman"><B>Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities, or
passed upon the accuracy or adequacy of the prospectus or this prospectus supplement. Any representation to the contrary is a criminal offense. </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center">Prospectus
Supplement dated September&nbsp;16, 2022. </P>
</DIV></Center>


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 <P STYLE="line-height:1.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:1px solid #000000">&nbsp;</P>
<P STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</P> <P STYLE="margin-top:4pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>UNITED STATES </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>SECURITIES AND EXCHANGE COMMISSION </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Washington, D.C. 20549 </B></P> <P STYLE="font-size:8pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:8pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>FORM <FONT
STYLE="white-space:nowrap">8-K</FONT> </B></P> <P STYLE="font-size:8pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:8pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>CURRENT REPORT
</B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Pursuant to Section&nbsp;13 or 15(d) </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>of the Securities Exchange Act of 1934 </B></P>
<P STYLE="margin-top:8pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Date of Report (Date of earliest event reported): September&nbsp;16, 2022 </B></P>
<P STYLE="font-size:8pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center>
<P STYLE="margin-top:8pt; margin-bottom:0pt; font-size:24pt; font-family:Times New Roman" ALIGN="center"><B>RIGETTI COMPUTING, INC. </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>(Exact name of registrant as specified in its charter) </B></P> <P STYLE="font-size:8pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="font-size:8pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="top" ALIGN="center"><B>Delaware</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B><FONT STYLE="white-space:nowrap">001-40140</FONT></B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B><FONT STYLE="white-space:nowrap">88-0950636</FONT></B></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(State or Other Jurisdiction</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>of Incorporation)</B></P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(Commission</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>File Number)</B></P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(I.R.S. Employer</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Identification No.)</B></P></TD></TR>
</TABLE> <P STYLE="font-size:8pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="bottom" ALIGN="center"><B>775 Heinz Avenue, Berkeley, California</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center"><B>94710</B></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="top" ALIGN="center"><B>(Address of principal executive offices)</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>(Zip Code)</B></TD></TR>
</TABLE> <P STYLE="margin-top:8pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>(510) <FONT STYLE="white-space:nowrap">210-5550</FONT> </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(Registrant&#146;s telephone number, including area code) </B></P>
<P STYLE="margin-top:8pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>N/A </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(Former name or
former address, if changed since last report.) </B></P> <P STYLE="font-size:8pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:8pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Check the appropriate box below
if the Form <FONT STYLE="white-space:nowrap">8-K</FONT> filing is intended to simultaneously satisfy the filing obligations of the registrant under any of the following provisions: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#9744;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#9744;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Soliciting material pursuant to Rule <FONT STYLE="white-space:nowrap">14a-12</FONT> under the Exchange Act (17
CFR <FONT STYLE="white-space:nowrap">240.14a-12)</FONT> </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#9744;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><FONT STYLE="white-space:nowrap">Pre-commencement</FONT> communications pursuant to Rule <FONT
STYLE="white-space:nowrap">14d-2(b)</FONT> under the Exchange Act (17 CFR <FONT STYLE="white-space:nowrap">240.14d-2(b))</FONT> </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#9744;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><FONT STYLE="white-space:nowrap">Pre-commencement</FONT> communications pursuant to Rule <FONT
STYLE="white-space:nowrap">13e-4(c)</FONT> under the Exchange Act (17 CFR <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">240-13e-4(c))</FONT></FONT> </P></TD></TR></TABLE>
<P STYLE="margin-top:8pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Securities registered pursuant to Section&nbsp;12(b) of the Act: </P> <P STYLE="font-size:8pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="bottom" NOWRAP ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Title of each class</B></P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Trading</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>symbol(s)</B></P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Name of each exchange</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>on which registered</B></P></TD></TR>


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<TD VALIGN="top" ALIGN="center"><B>Common Stock, $0.0001 par value per share</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>RGTI</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>The Nasdaq Capital Market</B></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" ALIGN="center"><B>Warrants, each whole warrant exercisable for one share of Common Stock at an exercise price of $11.50 per share</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>RGTIW</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>The Nasdaq Capital Market</B></TD></TR>
</TABLE> <P STYLE="margin-top:8pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of
1933 (&#167; 230.405 of this chapter) or Rule <FONT STYLE="white-space:nowrap">12b-2</FONT> of the Securities Exchange Act of 1934 <FONT STYLE="white-space:nowrap">(&#167;240.12b-2</FONT> of this chapter). </P>
<P STYLE="margin-top:8pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Emerging growth company&nbsp;&nbsp;&#9746; </P> <P STYLE="margin-top:8pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">If an emerging growth
company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section&nbsp;13(a) of the Exchange
Act.&nbsp;&nbsp;&#9744; </P> <P STYLE="font-size:10pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P> <P STYLE="line-height:1.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:1px solid #000000">&nbsp;</P>
<P STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</P>
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<TD WIDTH="11%" VALIGN="top" ALIGN="left"><B>Item&nbsp;8.01.</B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B>Other Events. </B></P></TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Rigetti Computing, Inc. (the &#147;Company&#148; or &#147;Rigetti&#148;) has announced the following business updates in connection with its previously
announced investor presentation being held on September&nbsp;16, 2022: </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>Keysight <FONT STYLE="white-space:nowrap">True-Q</FONT> Error Mitigation Tools
on Rigetti Quantum Cloud Services (QCS<SUP STYLE="font-size:75%; vertical-align:top">&#153;</SUP>) </U></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Rigetti anticipates the upcoming release of
Keysight&#146;s <FONT STYLE="white-space:nowrap">True-Q</FONT> error mitigation software integrated into Rigetti QCS in the coming months. For Rigetti, this will be the first third party software tool to be integrated directly into the QCS platform,
expected to advance the Company&#146;s partnership strategy to accelerate toward quantum advantage. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>Collaboration with NVIDIA to Develop Hybrid <FONT
STYLE="white-space:nowrap">GPU-QPU</FONT> Workflow for Climate Modeling</U> </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Rigetti is embarking on a new collaboration with NVIDIA to develop a hybrid <FONT
STYLE="white-space:nowrap">GPU-QPU</FONT> workflow for climate modeling applications. The project aims to evaluate the potential for narrow quantum advantage in this research domain by applying quantum machine learning techniques in a
high-performance hybrid workflow. The work builds on recent weather modeling application research by Rigetti. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>Public Preview of Rigetti Quantum
Processors on Microsoft Azure Quantum</U> </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Earlier this week, Rigetti announced the release of its <FONT STYLE="white-space:nowrap"><FONT
STYLE="white-space:nowrap">Aspen-M-2</FONT></FONT> <FONT STYLE="white-space:nowrap">80-qubit</FONT> and <FONT STYLE="white-space:nowrap">Aspen-11</FONT> <FONT STYLE="white-space:nowrap">40-qubit</FONT> in public preview on Azure Quantum.
Rigetti&#146;s integration with Azure supports Quil, Rigetti&#146;s native quantum programming language, and Quil-T for pulse level programming. With the Azure announcement, Rigetti is now available on the world&#146;s two largest public cloud
platforms. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>Performance at Scale: Aiming to Deliver Next-Generation Hardware in 2023</U> </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Rigetti remains on track to deliver against its previously disclosed hardware roadmap in 2023 with a focus on
delivering performance at scale. The upcoming <FONT STYLE="white-space:nowrap">84-qubit</FONT> Ankaa<SUP STYLE="font-size:75%; vertical-align:top">&#153;</SUP> system is planned for release in 2023, followed by the
<FONT STYLE="white-space:nowrap">336-qubit</FONT> Lyra<SUP STYLE="font-size:75%; vertical-align:top">&#153;</SUP> system expected later in 2023. Ankaa and Lyra are expected to leverage Rigetti&#146;s fourth generation circuit architecture,
introducing higher connectivity and tunable coupling, designed to ultimately deliver fidelities exceeding 99%. Notably, the Lyra system is expected to bring together Rigetti advancements in scale and performance by combining Rigetti&#146;s existing
multi-chip scaling technology with the fourth generation architecture. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Rigetti is expanding its <FONT STYLE="white-space:nowrap">Fab-1</FONT> facility, which it expects to be completed
late in the fourth quarter of 2022. The <FONT STYLE="white-space:nowrap">build-out</FONT> includes an additional 5,000 square feet of clean room space for wafer manufacturing&#151;nearly doubling its original capacity&#151;as well as additional
capabilities for performing tightly integrated cryo-microwave testing on Rigetti quantum chips. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Rigetti has entered into a partnership with Bluefors, a leading provider of cryogenic systems, to develop
next-generation cryogenic platforms expected to be used for Rigetti&#146;s anticipated <FONT STYLE="white-space:nowrap">336-qubit,</FONT> 1,000+ qubit, and 4,000+ qubit quantum processing units. These new KIDE cryogenic platforms are expected to
provide the larger size, increased cooling power, and modular design needed to support Rigetti&#146;s integrated product roadmap. Rigetti plans to take delivery of its first KIDE in early 2023, with subsequent deliveries planned for late 2023 and
beyond. </P></TD></TR></TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Cautionary Language Concerning Forward-Looking Statements </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Certain statements in this communication may be considered forward-looking statements, including statements with respect to expectations for the anticipated
launch of the Company&#146;s 84-qubit quantum computer, 336-qubit multi-chip processor, 1,000+ qubit system, and 4,000+ qubit system, including these systems&#146; timing and potential performance; expectations relating to the Company&#146;s
technology roadmap and the timing thereof; expectations with respect to its partnership with Bluefors, including the development of necessary refrigerators to support the Company&#146;s technology roadmap and the timing thereof; expectations with
respect to leveraging fourth generation circuit architecture and introducing higher connectivity and tunable coupling, designed to ultimately deliver fidelities exceeding 99%; the timing, capabilities and capacity of the Company&#146;s fab-1
expansion; expectations with respect to the Company&#146;s partnership with NVIDA to evaluate the potential for narrow quantum advantage, including the potential to address climate challenges; expectations with respect to the anticipated release of
Keysight&#146;s True-Q error mitigation software integrated into Rigetti QCS in the coming months; expectations with respect to the Company&#146;s goal of delivering performance at scale with the [goal/mission] of being the industry standard and the
ability of its strategic investments in quantum hardware, software, and partnerships to enable progress toward Quantum Advantage; and expectations relating to growth of the business, including with respect to future potential government and
commercial contracts, development activities and expansion of QCaaS. Forward-looking statements generally relate to future events and can be identified by terminology such as &#147;pro forma,&#148; &#147;may,&#148; &#147;should,&#148;
&#147;could,&#148; &#147;might,&#148; &#147;plan,&#148; &#147;possible,&#148; &#147;project,&#148; &#147;strive,&#148; &#147;budget,&#148; &#147;forecast,&#148; &#147;expect,&#148; &#147;intend,&#148; &#147;will,&#148; &#147;estimate,&#148;
&#147;believe,&#148; &#147;predict,&#148; &#147;potential,&#148; &#147;pursue,&#148; &#147;aim,&#148; &#147;goal,&#148; &#147;mission,&#148; &#147;outlook,&#148; &#147;anticipate&#148; or &#147;continue,&#148; or the negatives of these terms or
variations of them or similar terminology. Such forward-looking statements are subject to risks, uncertainties, and other factors which could cause actual results to differ materially from those expressed or implied by such forward-looking
statements. These forward-looking statements are based upon estimates and assumptions that, while considered reasonable by Rigetti and its management, are inherently uncertain. Factors that may cause actual results to differ materially from current
expectations include, but are not limited to: Rigetti&#146;s ability to achieve milestones, technological advancements, including with respect to its roadmap, help unlock quantum computing, and develop practical applications; the ability of Rigetti
to complete ongoing negotiations with government contractors successfully and in a timely manner; the potential of quantum computing; the ability of Rigetti to obtain government contracts and the availability of government funding; the ability of
Rigetti to expand its QCaaS business; the success of Rigetti&#146;s partnerships and collaborations; Rigetti&#146;s ability to accelerate its development of multiple generations of quantum processors; the outcome of any legal proceedings that may be
instituted against Rigetti or others; the ability to meet stock exchange listing standards; the risk that the business combination disrupts current plans and operations of Rigetti; the ability to recognize the anticipated benefits of its recent
business combination with Supernova, which may be affected by, among other things, competition, the ability of Rigetti to grow and manage growth profitably, maintain relationships with customers and suppliers and retain its management and key
employees; costs related to the business combination with Supernova and operating as a public company; changes in applicable laws or regulations; the possibility that Rigetti may be adversely affected by other economic, business, or competitive
factors; Rigetti&#146;s estimates of expenses and profitability; the evolution of the markets in which Rigetti competes; the ability of Rigetti to execute on its technology roadmap; the ability of Rigetti to implement its strategic initiatives,
expansion plans and continue to innovate its existing services; the impact of the COVID-19 pandemic on Rigetti&#146;s business; the expected use of proceeds from the Company&#146;s past and future financings or other capital; the sufficiency of
Rigetti&#146;s cash resources; unfavorable conditions in Rigetti&#146;s industry, the global economy or global supply chain, including financial and credit market fluctuations and uncertainty, rising inflation, increased costs, international trade
relations, political turmoil, natural catastrophes, warfare (such as the ongoing military conflict between Russia and Ukraine and related sanctions against Russia), and terrorist attacks; and other risks and uncertainties set forth in the section
entitled &#147;Risk Factors&#148; and &#147;Cautionary Note Regarding Forward-Looking Statements&#148; in the registration on Form S-4, the Company&#146;s Form 8-K filed with the Securities and Exchange Commission (the &#147;SEC&#148;) on March 7,
2022, and in the Company&#146;s Form 10-Q for the three months ended March 31, 2022, and other documents filed by the Company from time to time with the SEC, including the Company&#146;s Quarterly Report on Form 10-Q for the three months ended June
30, 2022. These filings identify and address other important risks and uncertainties that could cause actual events and results to differ materially from those contained in the forward-looking statements. Forward-looking statements speak only as of
the date they are made. Readers are cautioned not to put undue reliance on forward-looking statements, and the Company assumes no obligation and does not intend to update or revise these forward-looking statements other than as required by
applicable law. The Company does not give any assurance that it will achieve its expectations. </P>
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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>SIGNATURES </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned
hereunto duly authorized. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Dated: September&nbsp;16, 2022 </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV ALIGN="right">
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<TD WIDTH="92%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"><B>RIGETTI COMPUTING, INC.</B></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ Chad Rigetti</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">Chad Rigetti</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">Chief Executive Officer</TD></TR>
</TABLE></DIV>
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