Exhibit 1

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k) of 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 of Greatbatch, Inc. and further agree that this Joint Filing Agreement shall be included as an Exhibit to such joint filing. In evidence thereof, the undersigned, being duly authorized, hereby execute this Joint Filing Agreement as of October 29, 2015.

ACCELLENT HOLDINGS LLC

By:	KKR Millennium Fund L.P., its managing member
By:	KKR Associates Millennium L.P., its general partner
By:	KKR Millennium GP LLC, its general partner
By:	/s/ Terence P. Gallagher
	Name: Terence P. Gallagher
	Title: Attorney-in-fact for Henry R. Kravis, Manager
By:	/s/ Terence P. Gallagher
	Name: Terence P. Gallagher
	Title: Attorney-in-fact for George R. Roberts, Manager
	KKR MILLENNIUM FUND L.P.
By:	KKR Associates Millennium L.P., its general partner
By:	KKR Millennium GP LLC, its general partner
By:	/s/ Terence P. Gallagher
	Name: Terence P. Gallagher
	Title: Attorney-in-fact for Henry R. Kravis, Manager
By:	/s/ Terence P. Gallagher
	Name: Terence P. Gallagher
	Title: Attorney-in-fact for George R. Roberts, Manager
	KKR ASSOCIATES MILLENNIUM L.P.
By:	KKR Millennium GP LLC, its general partner
By:	/s/ Terence P. Gallagher
	Name: Terence P. Gallagher
	Title: Attorney-in-fact for Henry R. Kravis, Manager
By:	/s/ Terence P. Gallagher
	Name: Terence P. Gallagher
	Title: Attorney-in-fact for George R. Roberts, Manager
	KKR MILLENNIUM GP LLC
By:	/s/ Terence P. Gallagher
	Name: Terence P. Gallagher
	Title: Attorney-in-fact for Henry R. Kravis, Manager
By:	/s/ Terence P. Gallagher
	Name: Terence P. Gallagher
	Title: Attorney-in-fact for George R. Roberts, Manager
	KKR FUND HOLDINGS L.P.
By:	KKR Fund Holdings GP Limited, its general partner
By:	/s/ Terence P. Gallagher
	Name: Terence P. Gallagher
	Title: Attorney-in-fact for William J. Janetschek, Director

	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 L.P.
By:	KKR Group Limited, its general partner
By:	/s/ Terence P. Gallagher
	Name: Terence P. Gallagher
	Title: Attorney-in-fact for William J. Janetschek, Director
	KKR GROUP LIMITED
By:	/s/ Terence P. Gallagher
	Name: Terence P. Gallagher
	Title: Attorney-in-fact for William J. Janetschek, Director
	KKR & CO. L.P.
By:	KKR Management LLC, general partner
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