AGREEMENT REGARDING THE JOINT FILING OF SCHEDULE 13G

Exhibit 99.1

AGREEMENT REGARDING THE JOINT FILING OF SCHEDULE 13G

The undersigned hereby agree as follows:

(i) Each of them is individually eligible to use the Schedule 13G to which this Exhibit is attached, and such Schedule 13G is filed on behalf of each of them; and

(ii) Each of them is responsible for the timely filing of such schedule 13G and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the completeness or accuracy of the information concerning the other persons making the filing, unless such person knows or has reason to believe that such information is inaccurate.

	XXXXXXX, DUBILIER & RICE FUND VII, L.P.
		By:				CD&R Associates VII, Ltd., its general partner
Date:  November 13, 2015
					By:				/s/ Xxxxxxx X. Xxxx
					Name:				Xxxxxxx X. Xxxx
					Title:				Vice President, Treasurer and
									Assistant Secretary
	CD&R ASSOCIATES VII, LTD.
Date:  November 13, 2015
	By:			/s/ Xxxxxxx X. Xxxx
	Name:			Xxxxxxx X. Xxxx
	Title:			Vice President, Treasurer and
				Assistant Secretary
	CD&R ASSOCIATES VII, L.P.
		By:					CD&R Investment Associates VII, Ltd.,
							its general partner
Date:  November 13, 2015
			By:					/s/ Xxxxxxx X. Xxxx
			Name:					Xxxxxxx X. Xxxx
			Title:					Vice President, Treasurer and
								Assistant Secretary

	CD&R INVESTMENT ASSOCIATES VII, LTD.
Date:  November 13, 2015
	By:	/s/ Xxxxxxx X. Xxxx
	Name:	Xxxxxxx X. Xxxx
	Title:	Vice President, Treasurer and
		Assistant Secretary

	XXXXXXX, DUBILIER & RICE FUND VII (CO-INVESTMENT), L.P.
		By:			CD&R Associates VII (Co-Investment), Ltd.,
					its general partner
Date:  November 13, 2015
			By:			/s/ Xxxxxxx X. Xxxx
			Name:			Xxxxxxx X. Xxxx
			Title:			Vice President, Treasurer and Assistant Secretary
	CD&R ASSOCIATES VII (CO-INVESTMENT), LTD.
Date:  November 13, 2015
	By:			/s/ Xxxxxxx X. Xxxx
	Name:			Xxxxxxx X. Xxxx
	Title:			Vice President, Treasurer and
				Assistant Secretary

	CDR SVM CO-INVESTOR L.P.
	By:				CDR SVM Co-Investor GP Limited,
					its general partner
Date:  November 13, 2015
			By:			/s/ Xxxxxxx X. Xxxx
			Name:			Xxxxxxx X. Xxxx
			Title:			Director
	CDR SVM CO-INVESTOR GP LIMITED
Date:  November 13, 2015
	By:			/s/ Xxxxxxx X. Xxxx
	Name:			Xxxxxxx X. Xxxx
	Title:			Director

	CDR SVM CO-INVESTOR NO. 2 L.P.
	By:			CDR SVM Co-Investor No. 2 GP Limited,
				its general partner
Date:  November 13, 2015
		By:			/s/ Xxxxxxx X. Xxxx
		Name:			Xxxxxxx X. Xxxx
		Title:			Director
	CDR SVM CO-INVESTOR NO. 2 GP LIMITED
Date:  November 13, 2015
	By:		/s/ Xxxxxxx X. Xxxx
	Name:		Xxxxxxx X. Xxxx
	Title:		Director

	CD&R PARALLEL FUND VII, L.P.
	By:		CD&R Parallel Fund Associates VII,
			Ltd., its general partner
Date:  November 13, 2015
		By:		/s/ Xxxxxxx X. Xxxx
		Name:		Xxxxxxx X. Xxxx
		Title:		Vice President, Treasurer and
				Assistant Secretary

	CD&R PARALLEL FUND ASSOCIATES VII, LTD.
Date:  November 13, 2015
	By:	/s/ Xxxxxxx X. Xxxx
	Name:	Xxxxxxx X. Xxxx
	Title:	Vice President, Treasurer and
		Assistant Secretary