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:	10% Owner; Director
Issuer Name and Ticker or Trading Symbol:	Syneos Health, Inc. [SYNH]
Date of Earliest Transaction Required to be Reported:	December 3, 2020
Designated Filer:	Thomas H. Lee Advisors, LLC

 Signature:

THOMAS H. LEE ADVISORS, LLC

By: THL Holdco, LLC, its Managing Member

By:

/s/ Mark A. Garcia

Name:	Mark A. Garcia
Title:	Chief Financial Officer, Funds
December 7, 2020

Page 1 of 15

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:	10% Owner; Director
Issuer Name and Ticker or Trading Symbol:	Syneos Health, Inc. [SYNH]
Date of Earliest Transaction Required to be Reported:	December 3, 2020
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/ Mark A. Garcia

Name:	Mark A. Garcia
Title:	Chief Financial Officer, Funds
December 7, 2020

Page 2 of 15

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:	10% Owner; Director
Issuer Name and Ticker or Trading Symbol:	Syneos Health, Inc. [SYNH]
Date of Earliest Transaction Required to be Reported:	December 3, 2020
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/ Mark A. Garcia

Name:	Mark A. Garcia
Title:	Chief Financial Officer, Funds
December 7, 2020

Page 3 of 15

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:	10% Owner
	Director
Issuer Name and Ticker or Trading Symbol:	Syneos Health, Inc. [SYNH]
Date of Earliest Transaction Required to be Reported:	December 3, 2020
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/ Mark A. Garcia

Name:	Mark A. Garcia
Title:	Chief Financial Officer, Funds
December 7, 2020

Page 4 of 15

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:	10% Owner
	Director
Issuer Name and Ticker or Trading Symbol:	Syneos Health, Inc. [SYNH]
Date of Earliest Transaction Required to be Reported:	December 3, 2020
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/ Mark A. Garcia

Name:	Mark A. Garcia
Title:	Chief Financial Officer, Funds
December 7, 2020

Page 5 of 15

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:	10% Owner
	Director
Issuer Name and Ticker or Trading Symbol:	Syneos Health, Inc. [SYNH]
Date of Earliest Transaction Required to be Reported:	December 3, 2020
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/ Mark A. Garcia

Name:	Mark A. Garcia
Title:	Chief Financial Officer, Funds
December 7, 2020

Page 6 of 15

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:	10% Owner
	Director
Issuer Name and Ticker or Trading Symbol:	Syneos Health, Inc. [SYNH]
Date of Earliest Transaction Required to be Reported:	December 3, 2020
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/ Mark A. Garcia

Name:	Mark A. Garcia
Title:	Chief Financial Officer, Funds
December 7, 2020

Page 7 of 15

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:	10% Owner
	Director
Issuer Name and Ticker or Trading Symbol:	Syneos Health, Inc. [SYNH]
Date of Earliest Transaction Required to be Reported:	December 3, 2020
Designated Filer:	Thomas H. Lee Advisors, LLC

Signature:

THL MANAGERS VI, LLC

By:

/s/ Mark A. Garcia

Name:	Mark A. Garcia
Title:	Chief Financial Officer, Funds
December 7, 2020

Page 8 of 15

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:	10% Owner
	Director
Issuer Name and Ticker or Trading Symbol:	Syneos Health, Inc. [SYNH]
Date of Earliest Transaction Required to be Reported:	December 3, 2020
Designated Filer:	Thomas H. Lee Advisors, LLC

Signature:

THL MANAGERS VII, LLC

By:

/s/ Mark A. Garcia

Name:	Mark A. Garcia
Title:	Chief Financial Officer, Funds
December 7, 2020

Page 9 of 15

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:	10% Owner; Director
Issuer Name and Ticker or Trading Symbol:	Syneos Health, Inc. [SYNH]
Date of Earliest Transaction Required to be Reported:	December 3, 2020
Designated Filer:	Thomas H. Lee Advisors, LLC

Signature:

THL Holdco, LLC

By:

/s/ Mark A. Garcia

Name:	Mark A. Garcia
Title:	Chief Financial Officer, Funds
December 7, 2020

Page 10 of 15

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:	10% Owner
	Director
Issuer Name and Ticker or Trading Symbol:	Syneos Health, Inc. [SYNH]
Date of the Earliest Transaction Required to be Reported (Month/Day/Year):	December 3, 2020
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/ Mark A. Garcia

Name:	Mark A. Garcia
Title:	Chief Financial Officer, Funds
December 7, 2020

Page 11 of 15

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:	10% Owner
	Director
Issuer Name and Ticker or Trading Symbol:	Syneos Health, Inc. [SYNH]
Date of Earliest Transaction Required to be Reported:	December 3, 2020
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/ Mark A. Garcia

Name:	Mark A. Garcia
Title:	Chief Financial Officer, Funds
December 7, 2020

Page 12 of 15

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:	10% Owner
	Director
Issuer Name and Ticker or Trading Symbol:	Syneos Health, Inc. [SYNH]
Date of Earliest Transaction Required to be Reported:	December 3, 2020
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/ Mark A. Garcia

Name:	Mark A. Garcia
Title:	Chief Financial Officer, Funds
December 7, 2020

Page 13 of 15

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 the Earliest Transaction Required to be Reported (Month/Day/Year):	December 3, 2020
Designated Filer:	Thomas H. Lee Advisors, LLC

Signature:

By:

/s/ Todd M. Abbrecht

Name:	Todd M. Abbrecht
December 7, 2020

Page 14 of 15

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 the Earliest Transaction Required to be Reported (Month/Day/Year):	December 3, 2020
Designated Filer:	Thomas H. Lee Advisors, LLC

Signature:

By:

/s/ Joshua M. Nelson

Name:	Joshua M. Nelson
December 7, 2020

 Page 15 of 15