EXHIBIT E

JOINT FILING AGREEMENT

This will confirm the agreement by and among the undersigned that the Schedule 13D filed with the Securities and Exchange Commission on or about the date hereof with respect to the beneficial ownership by the undersigned of the shares of common stock, par value $0.001 per share of RigNet, Inc., is being filed, and all amendments thereto will be filed, on behalf of each of the persons and entities named below that is named as a reporting person in such filing in accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended. This Agreement may be executed in two or more counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument.

Dated:  August 30, 2018

	DIGITAL OILFIELD INVESTMENTS LP
By:	Digital Oilfield Investments GP Limited, its general partner
By:	/s/ Terence P. Gallagher
	Name: Terence P. Gallagher
	Title: Attorney-in-fact for William J. Janetschek, Director

	DIGITAL OILFIELD INVESTMENTS GP LIMITED
By:	/s/ Terence P. Gallagher
	Name: Terence P. Gallagher
	Title: Attorney-in-fact for William J. Janetschek, Director

	KKR EUROPEAN FUND III, LIMITED PARTNERSHIP
By:	KKR Associates Europe III, Limited Partnership, its general partner
By:	KKR Europe III Limited, its general partner
By:	/s/ Terence P. Gallagher
	Name: Terence P. Gallagher
	Title: Attorney-in-fact for William J. Janetschek, Director

	KKR ASSOCIATES EUROPE III, LIMITED PARTNERSHIP
By:	KKR Europe III Limited, its general partner
By:	/s/ Terence P. Gallagher
	Name: Terence P. Gallagher
	Title: Attorney-in-fact for William J. Janetschek, Director

	KKR EUROPE III LIMITED
By:	/s/ Terence P. Gallagher
	Name: Terence P. Gallagher
	Title: Attorney-in-fact for William J. Janetschek, Director

	KKR FUND HOLDINGS L.P.
By:	KKR Group Holdings Corp., a general partner
By:	/s/ Terence P. Gallagher
	Name: Terence P. Gallagher
	Title: Attorney-in-fact for William J. Janetschek, Chief Financial Officer

	KKR FUND HOLDINGS GP LIMITED
By:	/s/ Terence P. Gallagher
	Name: Terence P. Gallagher
	Title: Attorney-in-fact for William J. Janetschek, Director

	KKR GROUP HOLDINGS CORP.
By:	/s/ Terence P. Gallagher
	Name: Terence P. Gallagher
	Title: Attorney-in-fact for William J. Janetschek, Chief Financial Officer

	KKR & CO. INC.
By:	/s/ Terence P. Gallagher
	Name: Terence P. Gallagher
	Title: Attorney-in-fact for William J. Janetschek, Chief Financial Officer

	KKR MANAGEMENT LLC
By:	/s/ Terence P. Gallagher
	Name: Terence P. Gallagher
	Title: Attorney-in-fact for William J. Janetschek, Chief Financial Officer

	HENRY R. KRAVIS
By:	/s/ Terence P. Gallagher
	Name: Terence P. Gallagher
	Title: Attorney-in-fact

	GEORGE R. ROBERTS
By:	/s/ Terence P. Gallagher
	Name: Terence P. Gallagher
	Title: Attorney-in-fact