POWER OF ATTORNEY
Siguler Guff Advisers, LLC ("SG Advisers") constitutes and appoints each
of Ryan Martin, Mark Frost, Steven J. Gavin, James R. Brown and Luisa F. Patoni,
or any of them signing singly, and with full power of substitution, SG
Advisers's true and lawful attorney-in-fact to:
1. Prepare, execute in SG Advisers's name and on SG Advisers's behalf, and
submit to the U.S. Securities and Exchange Commission (the "SEC") a Form
ID and the Form ID Confirming Statement, including amendments thereto,
and any other document necessary or appropriate to obtain codes and
passwords enabling SG Advisers to make electronic filings with the SEC
of reports required by Section 16(a) of the Securities Exchange Act of
1934 or any rule or regulation of the SEC;
2. Execute for and on behalf of SG Advisers, in SG Advisers's capacity as a
10% owner of Fathom Digital Manufacturing Corporation (the "Company"),
Forms 3, 4 and 5 in accordance with Section 16(a) of the Securities
Exchange Act of 1934 and the rules and regulations promulgated
thereunder and to file the same with all exhibits thereto, and other
documents in connection therewith, with the SEC, the Company and any
stock exchange on which any of the Company's securities are listed,
granting unto said attorneys-in-fact and agents, and each of them, full
power and authority to do and perform each act and thing requisite and
necessary to be done under said Section 16(a), as fully and to all
intents and purposes as SG Advisers might or could do in person, hereby
ratifying and confirming all that said attorneys-in-fact and agents,
and each of them, may lawfully do or cause to be done by virtue hereof.
3. Take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorney-in-fact, may be of
benefit to, in the best interest of, or legally required by, SG
Advisers, it being understood that the documents executed by such
attorney-in-fact on behalf of SG Advisers pursuant to this Power of
Attorney shall be in such form and shall contain such terms and
conditions as such attorney-in-fact may approve in such attorney-in-
fact's discretion.
SG Advisers hereby grants to the attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever requisite,
necessary or proper to be done in the exercise of any of the rights and powers
herein granted, as fully to all intents and purposes as SG Advisers might or
could do if personally present, with full power of substitution or evocation,
hereby ratifying and confirming all that such attorney-in-fact, or such
attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be
done by virtue of this Power of Attorney and the rights and powers herein
granted. SG Advisers acknowledges that the foregoing attorney-in-fact, in
serving in such capacity at the request of SG Advisers, are not assuming, nor is
the Company assuming, any of SG Advisers's responsibilities to comply with
Section 16 of the Securities Exchange Act of 1934.
This Power of Attorney shall remain in full force and effect until SG
Advisers is no longer required to file a Form ID, Forms 3, 4 and 5 with respect
to SG Advisers's holdings of and transactions in securities issued by the
Company, unless earlier revoked by SG Advisers in a signed writing delivered to
the foregoing attorney-in-fact.
IN WITNESS WHEREOF, SG Advisers has caused this Power of Attorney to be
executed as of this 3rd day of January, 2022.
SIGULER GUFF ADVISERS, LLC
By: SIGULER GUFF & COMPANY, LP
By: SIGULER GUFF HOLDINGS GP, LLC
By: /s/ Joshua Posner
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Name: Joshua Posner
Title: Authorized Person