Exhibit 99.2

Joint Filer Information

Name of Joint Filer:	Thomas H. Lee Advisors, LLC

Address of Joint Filer:	c/o Thomas H. Lee Partners, L.P.
	100 Federal Street, 35th Floor
	Boston, MA 02110

Relationship of Joint Filer to Issuer:	Director

Issuer Name and Ticker or Trading Symbol:	Syneos Health, Inc. [SYNH]

Date of Earliest Transaction Required to
be Reported:	May 12, 2021

Designated Filer:	Thomas H. Lee Advisors, LLC

Signature:

THOMAS H. LEE ADVISORS, LLC

By: THL Holdco, LLC, its Managing Member

By:	/s/ Michael McDonnell
Name:	Michael McDonnell
Title:	Chief Financial Officer, Management Company

May 14, 2021

Exhibit 99.2

Joint Filer Information

Name of Joint Filer:	Thomas H. Lee Equity Fund VI (2019), L.P.

Address of Joint Filer:	c/o Thomas H. Lee Partners, L.P.
	100 Federal Street, 35th Floor
	Boston, MA 02110

Relationship of Joint Filer to Issuer:	Director

Issuer Name and Ticker or Trading Symbol:	Syneos Health, Inc. [SYNH]

Date of Earliest Transaction Required to
be Reported:	May 12, 2021

Designated Filer:	Thomas H. Lee Advisors, LLC

Signature:

THOMAS H. LEE EQUITY FUND VI (2019), L.P.

By: THL Equity Advisors VI (2019), LLC, its General Partner

By: Thomas H. Lee Partners, L.P., its Sole Member

By: Thomas H. Lee Advisors, LLC, its General Partner

By: THL Holdco, LLC, its Managing Member

By:	/s/ Michael McDonnell
Name:	Michael McDonnell
Title:	Chief Financial Officer, Management Company

May 14, 2021

Exhibit 99.2

Joint Filer Information

Name of Joint Filer:	Thomas H. Lee Partners, L.P.

Address of Joint Filer:	100 Federal Street, 35th Floor
	Boston, MA 02110


Relationship of Joint Filer to Issuer:	Director

Issuer Name and Ticker or Trading Symbol:	Syneos Health, Inc. [SYNH]

Date of Earliest Transaction Required to
be Reported:	May 12, 2021

Designated Filer:	Thomas H. Lee Advisors, LLC

Signature:

THOMAS H. LEE PARTNERS, L.P.

By: Thomas H. Lee Advisors, LLC, its General Partner

By: THL Holdco, LLC, its Managing Member

By:	/s/ Michael McDonnell
Name:	Michael McDonnell
Title:	Chief Financial Officer, Management Company

May 14, 2021

Exhibit 99.2

Joint Filer Information

Name of Joint Filer:	THL Equity Fund VI (2019) Coinvestment Partners, L.P.

Address of Joint Filer:	c/o Thomas H. Lee Partners, L.P.
	100 Federal Street, 35th Floor
	Boston, MA 02110

Relationship of Joint Filer to Issuer:	Director

Issuer Name and Ticker or Trading Symbol:	Syneos Health, Inc. [SYNH]

Date of Earliest Transaction Required to
be Reported:	May 12, 2021

Designated Filer:	Thomas H. Lee Advisors, LLC

Signature:

THL EQUITY FUND VI (2019) COINVESTMENT PARTNERS, L.P.

By: Thomas H. Lee Partners, L.P., its General Partner

By: Thomas H. Lee Advisors, LLC, its General Partner

By: THL Holdco, LLC, its Managing Member

By:	/s/ Michael McDonnell
Name:	Michael McDonnell
Title:	Chief Financial Officer, Management Company

May 14, 2021

Exhibit 99.2

Joint Filer Information

Name of Joint Filer:	Thomas H. Lee Equity Fund VII, L.P.

Address of Joint Filer:	c/o Thomas H. Lee Partners, L.P.
	100 Federal Street, 35th Floor
	Boston, MA 02110

Relationship of Joint Filer to Issuer:	Director

Issuer Name and Ticker or Trading Symbol:	Syneos Health, Inc. [SYNH]

Date of Earliest Transaction Required to
be Reported:	May 12, 2021

Designated Filer:	Thomas H. Lee Advisors, LLC

Signature:

THOMAS H. LEE EQUITY FUND VII, L.P.

By: THL Equity Advisors VII, LLC, its General Partner

By: Thomas H. Lee Partners, L.P., its Sole Member

By: Thomas H. Lee Advisors, LLC, its General Partner

By: THL Holdco, LLC, its Managing Member

By:	/s/ Michael McDonnell
Name:	Michael McDonnell
Title:	Chief Financial Officer, Management Company

May 14, 2021

Exhibit 99.2

Joint Filer Information

Name of Joint Filer:	Thomas H. Lee Parallel Fund VII, L.P.

Address of Joint Filer:	c/o Thomas H. Lee Partners, L.P.
	100 Federal Street, 35th Floor
	Boston, MA 02110

Relationship of Joint Filer to Issuer:	Director

Issuer Name and Ticker or Trading Symbol:	Syneos Health, Inc. [SYNH]

Date of Earliest Transaction Required to
be Reported:	May 12, 2021

Designated Filer:	Thomas H. Lee Advisors, LLC

Signature:

THOMAS H. LEE PARALLEL FUND VII, L.P.

By: THL Equity Advisors VII, LLC, its General Partner

By: Thomas H. Lee Partners, L.P., its Sole Member

By: Thomas H. Lee Advisors, LLC, its General Partner

By: THL Holdco, LLC, its Managing Member

By:	/s/ Michael McDonnell
Name:	Michael McDonnell
Title:	Chief Financial Officer, Management Company

May 14, 2021

Exhibit 99.2

Joint Filer Information

Name of Joint Filer:	Thomas H. Lee Parallel (Cayman) Fund VII, L.P.

Address of Joint Filer:	c/o Thomas H. Lee Partners, L.P.
	100 Federal Street, 35th Floor
	Boston, MA 02110

Relationship of Joint Filer to Issuer:	Director

Issuer Name and Ticker or Trading Symbol:	Syneos Health, Inc. [SYNH]

Date of Earliest Transaction Required to
be Reported:	May 12, 2021

Designated Filer:	Thomas H. Lee Advisors, LLC

Signature:

THOMAS H. LEE PARALLEL (CAYMAN) FUND VII, L.P.

By: THL Equity Advisors VII, LLC, its General Partner

By: Thomas H. Lee Partners, L.P., its Sole Member

By: Thomas H. Lee Advisors, LLC, its General Partner

By: THL Holdco, LLC, its Managing Member

By:	/s/ Michael McDonnell
Name:	Michael McDonnell
Title:	Chief Financial Officer, Management Company

May 14, 2021

Exhibit 99.2

Joint Filer Information

Name of Joint Filer:	THL Managers VI, LLC

Address of Joint Filer:	c/o Thomas H. Lee Partners, L.P.
	100 Federal Street, 35th Floor
	Boston, MA 02110

Relationship of Joint Filer to Issuer:	Director

Issuer Name and Ticker or Trading Symbol:	Syneos Health, Inc. [SYNH]

Date of Earliest Transaction Required to
be Reported:	May 12, 2021

Designated Filer:	Thomas H. Lee Advisors, LLC

Signature:

THL MANAGERS VI, LLC

By:	/s/ Michael McDonnell
Name:	Michael McDonnell
Title:	Chief Financial Officer, Management Company

May 14, 2021

Exhibit 99.2

Joint Filer Information

Name of Joint Filer:	THL Managers VII, LLC

Address of Joint Filer:	c/o Thomas H. Lee Partners, L.P.
	100 Federal Street, 35th Floor
	Boston, MA 02110

Relationship of Joint Filer to Issuer:	Director

Issuer Name and Ticker or Trading Symbol:	Syneos Health, Inc. [SYNH]

Date of Earliest Transaction Required to
be Reported:	May 12, 2021

Designated Filer:	Thomas H. Lee Advisors, LLC

Signature:

THL MANAGERS VII, LLC

By:	/s/ Michael McDonnell
Name:	Michael McDonnell
Title:	Chief Financial Officer, Management Company

May 14, 2021

Exhibit 99.2

Joint Filer Information

Name of Joint Filer:	THL Holdco, LLC

Address of Joint Filer:	c/o Thomas H. Lee Partners, L.P.
	100 Federal Street, 35th Floor
	Boston, MA 02110

Relationship of Joint Filer to Issuer:	Director

Issuer Name and Ticker or Trading Symbol:	Syneos Health, Inc. [SYNH]

Date of Earliest Transaction Required to
be Reported:	May 12, 2021

Designated Filer:	Thomas H. Lee Advisors, LLC

Signature:

THL Holdco, LLC

By:	/s/ Michael McDonnell
Name:	Michael McDonnell
Title:	Chief Financial Officer, Management Company

May 14, 2021

Exhibit 99.2

Joint Filer Information

Name of Joint Filer:	THL Fund VII Coinvestment Partners, L.P.

Address of Joint Filer:	c/o Thomas H. Lee Partners, L.P.
	100 Federal Street, 35th Floor
	Boston, MA 02110

Relationship of Joint Filer to Issuer:	Director

Issuer Name and Ticker or Trading Symbol:	Syneos Health, Inc. [SYNH]

Date of the Earliest Transaction
Required to be Reported (Month/Day/Year):	May 12, 2021

Designated Filer:	Thomas H. Lee Advisors, LLC

Signature:

THL FUND VII COINVESTMENT PARTNERS, L.P.

By: Thomas H. Lee Partners, L.P., its General Partner

By: Thomas H. Lee Advisors, LLC, its General Partner

By: THL Holdco, LLC, its Managing Member

By:	/s/ Michael McDonnell
Name:	Michael McDonnell
Title:	Chief Financial Officer, Management Company

May 14, 2021

Exhibit 99.2

Joint Filer Information

Name of Joint Filer:	THL Executive Fund VII, L.P.

Address of Joint Filer:	c/o Thomas H. Lee Partners, L.P.
	100 Federal Street, 35th Floor
	Boston, MA 02110

Relationship of Joint Filer to Issuer:	Director

Issuer Name and Ticker or Trading Symbol:	Syneos Health, Inc. [SYNH]

Date of Earliest Transaction Required to
be Reported:	May 12, 2021

Designated Filer:	Thomas H. Lee Advisors, LLC

Signature:

THL EXECUTIVE FUND VII, L.P.

By: THL Equity Advisors VII, LLC, its General Partner

By: Thomas H. Lee Partners, L.P., its Sole Member

By: Thomas H. Lee Advisors, LLC, its General Partner

By: THL Holdco, LLC, its Managing Member

By:	/s/ Michael McDonnell
Name:	Michael McDonnell
Title:	Chief Financial Officer, Management Company

May 14, 2021

Exhibit 99.2

Joint Filer Information

Name of Joint Filer:	THL Equity Fund VII Investors (inVentiv), L.P.

Address of Joint Filer:	c/o Thomas H. Lee Partners, L.P.
	100 Federal Street, 35th Floor
	Boston, MA 02110

Relationship of Joint Filer to Issuer:	Director

Issuer Name and Ticker or Trading Symbol:	Syneos Health, Inc. [SYNH]

Date of Earliest Transaction Required to
be Reported:	May 12, 2021

Designated Filer:	Thomas H. Lee Advisors, LLC

Signature:

THOMAS H. LEE EQUITY FUND VII INVESTORS (INVENTIV), L.P.

By: THL Equity Advisors VII, LLC, its General Partner

By: Thomas H. Lee Partners, L.P., its Sole Member

By: Thomas H. Lee Advisors, LLC, its General Partner

By: THL Holdco, LLC, its Managing Member

By:	/s/ Michael McDonnell
Name:	Michael McDonnell
Title:	Chief Financial Officer, Management Company

May 14, 2021

Exhibit 99.2

Joint Filer Information

Name of Joint Filer:	Todd M. Abbrecht

Address of Joint Filer:	c/o Thomas H. Lee Partners, L.P.
	100 Federal Street, 35th Floor
	Boston, MA 02110

Relationship of Joint Filer to Issuer:	Director

Issuer Name and Ticker or Trading Symbol:	Syneos Health, Inc. [SYNH]

Date of Earliest Transaction Required to
be Reported:	May 12, 2021

Designated Filer:	Thomas H. Lee Advisors, LLC

Signature:

By:	/s/ Todd M. Abbrecht
Name:	Todd M. Abbrecht

May 14, 2020

Exhibit 99.2

Joint Filer Information

Name of Joint Filer:	Joshua M. Nelson

Address of Joint Filer:	c/o Thomas H. Lee Partners, L.P.
	100 Federal Street, 35th Floor
	Boston, MA 02110

Relationship of Joint Filer to Issuer:	Director

Issuer Name and Ticker or Trading Symbol:	Syneos Health, Inc. [SYNH]

Date of Earliest Transaction Required to
be Reported:	May 12, 2021

Designated Filer:	Thomas H. Lee Advisors, LLC

Signature:

By:	/s/ Joshua M. Nelson
Name:	Joshua M. Nelson

May 14, 2020

ABBRECHT TODD M 4