EXHIBIT 99.1

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned agree to the joint filing on behalf of each of them of a statement on Schedule 13G (including any and all amendments thereto) with respect to the Common Stock, $0.001 par value, of Silk Road Medical, Inc. and further agree to the filing of this agreement to be included as an exhibit to such filing. In addition, each party to this agreement expressly authorizes each other party to this agreement to file on its behalf any and all amendments to such statement on Schedule 13G. Each party to this agreement agrees that this joint filing agreement may be signed in counterparts.

Date: February 7, 2020

WP X FINANCE, L.P.
By: WPX GP, L.P., its managing general partner
By: Warburg Pincus Private Equity X, L.P., its general partner
By: Warburg Pincus X, L.P., its general partner
By: Warburg Pincus X GP L.P., its general partner
By: WPP GP LLC, its general partner
By: Warburg Pincus Partners, L.P., its managing member
By: Warburg Pincus Partners GP LLC, its general partner
By: Warburg Pincus & Co., its managing member
By:	/s/ Robert B. Knauss
Name:	Robert B. Knauss
Title:	Partner

WPX GP, L.P.
By: Warburg Pincus Private Equity X, L.P., its general partner
By: Warburg Pincus X, L.P., its general partner
By: Warburg Pincus X GP L.P., its general partner
By: WPP GP LLC, its general partner
By: Warburg Pincus Partners, L.P., its managing member
By: Warburg Pincus Partners GP LLC, its general partner
By: Warburg Pincus & Co., its managing member
By:	/s/ Robert B. Knauss
Name:	Robert B. Knauss
Title:	Partner

WARBURG PINCUS PRIVATE EQUITY X, L.P.
By: Warburg Pincus X, L.P., its general partner
By: Warburg Pincus X GP L.P., its general partner
By: WPP GP LLC, its general partner
By: Warburg Pincus Partners, L.P., its managing member
By: Warburg Pincus Partners GP LLC, its general partner
By: Warburg Pincus & Co., its managing member
By:	/s/ Robert B. Knauss
Name:	Robert B. Knauss
Title:	Partner

WARBURG PINCUS X PARTNERS, L.P.
By: Warburg Pincus X, L.P., its general partner
By: Warburg Pincus X GP L.P., its general partner
By: WPP GP LLC, its general partner
By: Warburg Pincus Partners, L.P., its managing member
By: Warburg Pincus Partners GP LLC, its general partner
By: Warburg Pincus & Co., its managing member
By:	/s/ Robert B. Knauss
Name:	Robert B. Knauss
Title:	Partner

WARBURG PINCUS X, L.P.
By: Warburg Pincus X GP L.P., its general partner
By: WPP GP LLC, its general partner
By: Warburg Pincus Partners, L.P., its managing member
By: Warburg Pincus Partners GP LLC, its general partner
By: Warburg Pincus & Co., its managing member
By:	/s/ Robert B. Knauss
Name:	Robert B. Knauss
Title:	Partner

WARBURG PINCUS X GP L.P.
By: WPP GP LLC, its general partner
By: Warburg Pincus Partners, L.P., its managing member
By: Warburg Pincus Partners GP LLC, its general partner
By: Warburg Pincus & Co., its managing member
By:	/s/ Robert B. Knauss
Name:	Robert B. Knauss
Title:	Partner

WPP GP LLC
By: Warburg Pincus Partners, L.P., its managing member
By: Warburg Pincus Partners GP LLC, its general partner
By: Warburg Pincus & Co., its managing member
By:	/s/ Robert B. Knauss
Name:	Robert B. Knauss
Title:	Partner

WARBURG PINCUS PARTNERS, L.P.
By: Warburg Pincus Partners GP LLC, its general partner
By: Warburg Pincus & Co., its managing member
By:	/s/ Robert B. Knauss
Name:	Robert B. Knauss
Title:	Partner

WARBURG PINCUS PARTNERS GP LLC
By: Warburg Pincus & Co., its managing member
By:	/s/ Robert B. Knauss
Name:	Robert B. Knauss
Title:	Partner

WARBURG PINCUS & CO.
By:	/s/ Robert B. Knauss
Name:	Robert B. Knauss
Title:	Partner

WARBURG PINCUS LLC
By:	/s/ Robert B. Knauss
Name:	Robert B. Knauss
Title:	Managing Director

CHARLES R. KAYE
By:	/s/ Robert B. Knauss
	Robert B. Knauss, Attorney-in-Fact*

JOSEPH P. LANDY
By:	/s/ Robert B. Knauss
	Robert B. Knauss, Attorney-in-Fact*

* The Power of Attorney given by each of Messrs. Kaye and Landy was previously filed with the SEC on July 12, 2016 as an exhibit to the Schedule 13D filed by WEX Inc. and is hereby incorporated by reference.