Exhibit A

Transactions by Reporting Persons in the last 60 days not previously reported.

Beneficial Ownership	Purchase or Sale	Quantity	Transaction Date	Price per Share (including commission)		How Effected
Relational Investors LLC	Sale	3,374	1/27/2015	$	48.88	Open Market
Relational Investors LLC	Sale	3,324	1/27/2015	$	48.91	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	16,569	1/27/2015	$	48.88	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	16,323	1/27/2015	$	48.91	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	22,362	1/27/2015	$	48.88	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	22,029	1/27/2015	$	48.91	Open Market
Relational Investors LLC	Sale	9,129	1/27/2015	$	48.88	Open Market
Relational Investors LLC	Sale	4,965	1/27/2015	$	48.88	Open Market
Relational Investors LLC	Sale	13,885	1/27/2015	$	48.91	Open Market
Relational Coast Partners, L.P.	Sale	770	1/27/2015	$	48.88	Open Market
Relational Coast Partners, L.P.	Sale	1,708	1/27/2015	$	48.88	Open Market
Relational Coast Partners, L.P.	Sale	1,974	1/27/2015	$	48.91	Open Market
Relational Coast Partners, L.P.	Sale	467	1/27/2015	$	48.91	Open Market
Relational Fund Partners, L.P.	Sale	142	1/27/2015	$	48.88	Open Market
Relational Fund Partners, L.P.	Sale	107	1/27/2015	$	48.88	Open Market
Relational Fund Partners, L.P.	Sale	246	1/27/2015	$	48.91	Open Market
RH Fund 1, L.P.	Sale	929	1/27/2015	$	48.88	Open Market
RH Fund 1, L.P.	Sale	1,277	1/27/2015	$	48.88	Open Market
RH Fund 1, L.P.	Sale	2,022	1/27/2015	$	48.91	Open Market
RH Fund 1, L.P.	Sale	152	1/27/2015	$	48.91	Open Market
Relational Investors XV, L.P.	Sale	1,548	1/27/2015	$	48.88	Open Market
Relational Investors XV, L.P.	Sale	1,083	1/27/2015	$	48.88	Open Market
Relational Investors XV, L.P.	Sale	2,592	1/27/2015	$	48.91	Open Market
Relational Investors XVI, L.P.	Sale	144	1/27/2015	$	48.88	Open Market
Relational Investors XVI, L.P.	Sale	1,193	1/27/2015	$	48.88	Open Market
Relational Investors XVI, L.P.	Sale	172	1/27/2015	$	48.91	Open Market
Relational Investors XVI, L.P.	Sale	1,145	1/27/2015	$	48.91	Open Market
Relational Investors XX, L.P.	Sale	1,010	1/27/2015	$	48.88	Open Market
Relational Investors XX, L.P.	Sale	1,361	1/27/2015	$	48.88	Open Market
Relational Investors XX, L.P.	Sale	2,185	1/27/2015	$	48.91	Open Market
Relational Investors XX, L.P.	Sale	151	1/27/2015	$	48.91	Open Market
Relational Investors XXIII, L.P.	Sale	1,384	1/27/2015	$	48.88	Open Market
Relational Investors XXIII, L.P.	Sale	1,938	1/27/2015	$	48.88	Open Market
Relational Investors XXIII, L.P.	Sale	3,027	1/27/2015	$	48.91	Open Market
Relational Investors XXIII, L.P.	Sale	246	1/27/2015	$	48.91	Open Market
Relational Investors IX, L.P.	Sale	69	1/27/2015	$	48.88	Open Market
Relational Investors IX, L.P.	Sale	3,110	1/27/2015	$	48.88	Open Market
Relational Investors IX, L.P.	Sale	119	1/27/2015	$	48.91	Open Market
Relational Investors IX, L.P.	Sale	3,013	1/27/2015	$	48.91	Open Market
Relational Investors LLC	Sale	7,829	1/27/2015	$	48.88	Open Market
Relational Investors LLC	Sale	7,713	1/27/2015	$	48.91	Open Market
Relational Investors XXIV, L.P.	Sale	365	1/27/2015	$	48.88	Open Market
Relational Investors XXIV, L.P.	Sale	45	1/27/2015	$	48.88	Open Market
Relational Investors XXIV, L.P.	Sale	404	1/27/2015	$	48.91	Open Market
Relational Investors LLC	Sale	4,303	1/28/2015	$	48.48	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	8,266	1/28/2015	$	48.48	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	12,861	1/28/2015	$	48.48	Open Market

Relational Investors Mid-Cap Fund II, L.P.	Sale	28,467	1/28/2015	$	48.48	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	41	1/28/2015	$	48.48	Open Market
Relational Investors LLC	Sale	2,495	1/28/2015	$	48.48	Open Market
Relational Investors LLC	Sale	15,477	1/28/2015	$	48.48	Open Market
Relational Coast Partners, L.P.	Sale	3,160	1/28/2015	$	48.48	Open Market
Relational Fund Partners, L.P.	Sale	23	1/28/2015	$	48.48	Open Market
Relational Fund Partners, L.P.	Sale	295	1/28/2015	$	48.48	Open Market
RH Fund 1, L.P.	Sale	2,814	1/28/2015	$	48.48	Open Market
Relational Investors XV, L.P.	Sale	304	1/28/2015	$	48.48	Open Market
Relational Investors XV, L.P.	Sale	3,051	1/28/2015	$	48.48	Open Market
Relational Investors XVI, L.P.	Sale	935	1/28/2015	$	48.48	Open Market
Relational Investors XVI, L.P.	Sale	770	1/28/2015	$	48.48	Open Market
Relational Investors XX, L.P.	Sale	3,024	1/28/2015	$	48.48	Open Market
Relational Investors XXIII, L.P.	Sale	4,236	1/28/2015	$	48.48	Open Market
Relational Investors IX, L.P.	Sale	1,907	1/28/2015	$	48.48	Open Market
Relational Investors IX, L.P.	Sale	2,147	1/28/2015	$	48.48	Open Market
Relational Investors LLC	Sale	9,983	1/28/2015	$	48.48	Open Market
Relational Investors XXIV, L.P.	Sale	523	1/28/2015	$	48.48	Open Market
Relational Investors LLC	Sale	2,824	1/29/2015	$	48.09	Open Market
Relational Investors LLC	Sale	2,047	1/29/2015	$	48.12	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	3,444	1/29/2015	$	48.09	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	10,423	1/29/2015	$	48.09	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	5,048	1/29/2015	$	48.12	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	5,004	1/29/2015	$	48.12	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	18,712	1/29/2015	$	48.09	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	4,121	1/29/2015	$	48.12	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	9,447	1/29/2015	$	48.12	Open Market
Relational Investors LLC	Sale	11,796	1/29/2015	$	48.09	Open Market
Relational Investors LLC	Sale	8,551	1/29/2015	$	48.12	Open Market
Relational Coast Partners, L.P.	Sale	2,074	1/29/2015	$	48.09	Open Market
Relational Coast Partners, L.P.	Sale	1,503	1/29/2015	$	48.12	Open Market
Relational Fund Partners, L.P.	Sale	209	1/29/2015	$	48.09	Open Market
Relational Fund Partners, L.P.	Sale	151	1/29/2015	$	48.12	Open Market
RH Fund 1, L.P.	Sale	1,847	1/29/2015	$	48.09	Open Market
RH Fund 1, L.P.	Sale	1,339	1/29/2015	$	48.12	Open Market
Relational Investors XV, L.P.	Sale	2,202	1/29/2015	$	48.09	Open Market
Relational Investors XV, L.P.	Sale	1,596	1/29/2015	$	48.12	Open Market
Relational Investors XVI, L.P.	Sale	1,119	1/29/2015	$	48.09	Open Market
Relational Investors XVI, L.P.	Sale	811	1/29/2015	$	48.12	Open Market
Relational Investors XX, L.P.	Sale	1,985	1/29/2015	$	48.09	Open Market
Relational Investors XX, L.P.	Sale	1,439	1/29/2015	$	48.12	Open Market
Relational Investors XXIII, L.P.	Sale	2,780	1/29/2015	$	48.09	Open Market
Relational Investors XXIII, L.P.	Sale	2,015	1/29/2015	$	48.12	Open Market
Relational Investors IX, L.P.	Sale	2,661	1/29/2015	$	48.09	Open Market
Relational Investors IX, L.P.	Sale	1,929	1/29/2015	$	48.12	Open Market
Relational Investors LLC	Sale	6,553	1/29/2015	$	48.09	Open Market
Relational Investors LLC	Sale	4,750	1/29/2015	$	48.12	Open Market

Relational Investors XXIV, L.P.	Sale	343	1/29/2015	$	48.09	Open Market
Relational Investors XXIV, L.P.	Sale	168	1/29/2015	$	48.12	Open Market
Relational Investors XXIV, L.P.	Sale	81	1/29/2015	$	48.12	Open Market
Relational Investors LLC	Sale	3,068	1/30/2015	$	47.95	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	15,062	1/30/2015	$	47.95	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	12,257	1/30/2015	$	47.95	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	8,067	1/30/2015	$	47.95	Open Market
Relational Investors LLC	Sale	12,813	1/30/2015	$	47.95	Open Market
Relational Coast Partners, L.P.	Sale	2,193	1/30/2015	$	47.95	Open Market
Relational Coast Partners, L.P.	Sale	60	1/30/2015	$	47.95	Open Market
Relational Fund Partners, L.P.	Sale	227	1/30/2015	$	47.95	Open Market
RH Fund 1, L.P.	Sale	2,006	1/30/2015	$	47.95	Open Market
Relational Investors XV, L.P.	Sale	2,392	1/30/2015	$	47.95	Open Market
Relational Investors XVI, L.P.	Sale	1,215	1/30/2015	$	47.95	Open Market
Relational Investors XX, L.P.	Sale	2,156	1/30/2015	$	47.95	Open Market
Relational Investors XXIII, L.P.	Sale	3,020	1/30/2015	$	47.95	Open Market
Relational Investors IX, L.P.	Sale	2,054	1/30/2015	$	47.95	Open Market
Relational Investors IX, L.P.	Sale	836	1/30/2015	$	47.95	Open Market
Relational Investors LLC	Sale	7,118	1/30/2015	$	47.95	Open Market
Relational Investors XXIV, L.P.	Sale	365	1/30/2015	$	47.95	Open Market
Relational Investors XXIV, L.P.	Sale	8	1/30/2015	$	47.95	Open Market
Relational Investors LLC	Sale	1,061	2/2/2015	$	48.11	Open Market
Relational Investors LLC	Sale	4,095	2/2/2015	$	47.71	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	5,211	2/2/2015	$	48.11	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	3,064	2/2/2015	$	47.71	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	520	2/2/2015	$	47.71	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	16,522	2/2/2015	$	47.71	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	7,035	2/2/2015	$	48.11	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	23,189	2/2/2015	$	47.71	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	708	2/2/2015	$	47.71	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	3,229	2/2/2015	$	47.71	Open Market
Relational Investors LLC	Sale	4,432	2/2/2015	$	48.11	Open Market
Relational Investors LLC	Sale	1,407	2/2/2015	$	47.71	Open Market
Relational Investors LLC	Sale	15,696	2/2/2015	$	47.71	Open Market
Relational Coast Partners, L.P.	Sale	779	2/2/2015	$	48.11	Open Market
Relational Coast Partners, L.P.	Sale	1,986	2/2/2015	$	47.71	Open Market
Relational Coast Partners, L.P.	Sale	1,022	2/2/2015	$	47.71	Open Market
Relational Fund Partners, L.P.	Sale	78	2/2/2015	$	48.11	Open Market
Relational Fund Partners, L.P.	Sale	1	2/2/2015	$	47.71	Open Market
Relational Fund Partners, L.P.	Sale	289	2/2/2015	$	47.71	Open Market
Relational Fund Partners, L.P.	Sale	13	2/2/2015	$	47.71	Open Market
RH Fund 1, L.P.	Sale	264	2/2/2015	$	48.11	Open Market
RH Fund 1, L.P.	Sale	430	2/2/2015	$	48.11	Open Market
RH Fund 1, L.P.	Sale	2,101	2/2/2015	$	47.71	Open Market
RH Fund 1, L.P.	Sale	577	2/2/2015	$	47.71	Open Market
Relational Investors XV, L.P.	Sale	827	2/2/2015	$	48.11	Open Market
Relational Investors XV, L.P.	Sale	89	2/2/2015	$	47.71	Open Market

Relational Investors XV, L.P.	Sale	3,054	2/2/2015	$	47.71	Open Market
Relational Investors XV, L.P.	Sale	50	2/2/2015	$	47.71	Open Market
Relational Investors XVI, L.P.	Sale	420	2/2/2015	$	48.11	Open Market
Relational Investors XVI, L.P.	Sale	976	2/2/2015	$	47.71	Open Market
Relational Investors XVI, L.P.	Sale	646	2/2/2015	$	47.71	Open Market
Relational Investors XX, L.P.	Sale	299	2/2/2015	$	48.11	Open Market
Relational Investors XX, L.P.	Sale	447	2/2/2015	$	48.11	Open Market
Relational Investors XX, L.P.	Sale	2,274	2/2/2015	$	47.71	Open Market
Relational Investors XX, L.P.	Sale	604	2/2/2015	$	47.71	Open Market
Relational Investors XXIII, L.P.	Sale	375	2/2/2015	$	48.11	Open Market
Relational Investors XXIII, L.P.	Sale	669	2/2/2015	$	48.11	Open Market
Relational Investors XXIII, L.P.	Sale	3,141	2/2/2015	$	47.71	Open Market
Relational Investors XXIII, L.P.	Sale	890	2/2/2015	$	47.71	Open Market
Relational Investors IX, L.P.	Sale	1,000	2/2/2015	$	48.11	Open Market
Relational Investors IX, L.P.	Sale	1,931	2/2/2015	$	47.71	Open Market
Relational Investors IX, L.P.	Sale	1,927	2/2/2015	$	47.71	Open Market
Relational Investors LLC	Sale	2,462	2/2/2015	$	48.11	Open Market
Relational Investors LLC	Sale	9,501	2/2/2015	$	47.71	Open Market
Relational Investors XXIV, L.P.	Sale	129	2/2/2015	$	48.11	Open Market
Relational Investors XXIV, L.P.	Sale	287	2/2/2015	$	47.71	Open Market
Relational Investors XXIV, L.P.	Sale	211	2/2/2015	$	47.71	Open Market
Relational Investors LLC	Sale	3,375	2/3/2015	$	49.37	Open Market
Relational Investors LLC	Sale	3,595	2/3/2015	$	49.44	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	2,856	2/3/2015	$	49.37	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	5,513	2/3/2015	$	49.37	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	8,203	2/3/2015	$	49.37	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	418	2/3/2015	$	49.44	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	8,474	2/3/2015	$	49.44	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	8,039	2/3/2015	$	49.44	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	720	2/3/2015	$	49.44	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	22,359	2/3/2015	$	49.37	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	593	2/3/2015	$	49.44	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	7,454	2/3/2015	$	49.44	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	11,653	2/3/2015	$	49.44	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	4,117	2/3/2015	$	49.44	Open Market
Relational Investors LLC	Sale	682	2/3/2015	$	49.37	Open Market
Relational Investors LLC	Sale	13,414	2/3/2015	$	49.37	Open Market
Relational Investors LLC	Sale	2,127	2/3/2015	$	49.44	Open Market
Relational Investors LLC	Sale	12,888	2/3/2015	$	49.44	Open Market
Relational Coast Partners, L.P.	Sale	1,660	2/3/2015	$	49.37	Open Market
Relational Coast Partners, L.P.	Sale	819	2/3/2015	$	49.37	Open Market
Relational Coast Partners, L.P.	Sale	2,640	2/3/2015	$	49.44	Open Market
Relational Fund Partners, L.P.	Sale	250	2/3/2015	$	49.37	Open Market
Relational Fund Partners, L.P.	Sale	12	2/3/2015	$	49.44	Open Market
Relational Fund Partners, L.P.	Sale	254	2/3/2015	$	49.44	Open Market
RH Fund 1, L.P.	Sale	1,825	2/3/2015	$	49.37	Open Market
RH Fund 1, L.P.	Sale	382	2/3/2015	$	49.37	Open Market

RH Fund 1, L.P.	Sale	2,351	2/3/2015	$	49.44	Open Market
Relational Investors XV, L.P.	Sale	2,632	2/3/2015	$	49.37	Open Market
Relational Investors XV, L.P.	Sale	217	2/3/2015	$	49.44	Open Market
Relational Investors XV, L.P.	Sale	2,586	2/3/2015	$	49.44	Open Market
Relational Investors XVI, L.P.	Sale	950	2/3/2015	$	49.37	Open Market
Relational Investors XVI, L.P.	Sale	387	2/3/2015	$	49.37	Open Market
Relational Investors XVI, L.P.	Sale	1,127	2/3/2015	$	49.44	Open Market
Relational Investors XVI, L.P.	Sale	297	2/3/2015	$	49.44	Open Market
Relational Investors XX, L.P.	Sale	1,978	2/3/2015	$	49.37	Open Market
Relational Investors XX, L.P.	Sale	394	2/3/2015	$	49.37	Open Market
Relational Investors XX, L.P.	Sale	2,526	2/3/2015	$	49.44	Open Market
Relational Investors XXIII, L.P.	Sale	2,726	2/3/2015	$	49.37	Open Market
Relational Investors XXIII, L.P.	Sale	597	2/3/2015	$	49.37	Open Market
Relational Investors XXIII, L.P.	Sale	3,539	2/3/2015	$	49.44	Open Market
Relational Investors IX, L.P.	Sale	716	2/3/2015	$	49.37	Open Market
Relational Investors IX, L.P.	Sale	1,133	2/3/2015	$	49.37	Open Market
Relational Investors IX, L.P.	Sale	1,331	2/3/2015	$	49.37	Open Market
Relational Investors IX, L.P.	Sale	2,253	2/3/2015	$	49.44	Open Market
Relational Investors IX, L.P.	Sale	1,134	2/3/2015	$	49.44	Open Market
Relational Investors LLC	Sale	7,831	2/3/2015	$	49.37	Open Market
Relational Investors LLC	Sale	8,341	2/3/2015	$	49.44	Open Market
Relational Investors XXIV, L.P.	Sale	410	2/3/2015	$	49.37	Open Market
Relational Investors XXIV, L.P.	Sale	95	2/3/2015	$	49.44	Open Market
Relational Investors XXIV, L.P.	Sale	13	2/3/2015	$	49.44	Open Market
Relational Investors XXIV, L.P.	Sale	329	2/3/2015	$	49.44	Open Market
Relational Investors LLC	Sale	270	2/4/2015	$	48.75	Open Market
Relational Investors LLC	Sale	585	2/4/2015	$	49.37	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	1,325	2/4/2015	$	48.75	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	2,875	2/4/2015	$	49.37	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	1,794	2/4/2015	$	48.75	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	3,885	2/4/2015	$	49.37	Open Market
Relational Investors LLC	Sale	1,127	2/4/2015	$	48.75	Open Market
Relational Investors LLC	Sale	2,445	2/4/2015	$	49.37	Open Market
Relational Coast Partners, L.P.	Sale	198	2/4/2015	$	48.75	Open Market
Relational Coast Partners, L.P.	Sale	430	2/4/2015	$	49.37	Open Market
Relational Fund Partners, L.P.	Sale	20	2/4/2015	$	48.75	Open Market
Relational Fund Partners, L.P.	Sale	43	2/4/2015	$	49.37	Open Market
RH Fund 1, L.P.	Sale	176	2/4/2015	$	48.75	Open Market
RH Fund 1, L.P.	Sale	382	2/4/2015	$	49.37	Open Market
Relational Investors XV, L.P.	Sale	210	2/4/2015	$	48.75	Open Market
Relational Investors XV, L.P.	Sale	456	2/4/2015	$	49.37	Open Market
Relational Investors XVI, L.P.	Sale	107	2/4/2015	$	48.75	Open Market
Relational Investors XVI, L.P.	Sale	232	2/4/2015	$	49.37	Open Market
Relational Investors XX, L.P.	Sale	189	2/4/2015	$	48.75	Open Market
Relational Investors XX, L.P.	Sale	411	2/4/2015	$	49.37	Open Market
Relational Investors XXIII, L.P.	Sale	265	2/4/2015	$	48.75	Open Market
Relational Investors XXIII, L.P.	Sale	576	2/4/2015	$	49.37	Open Market

Relational Investors IX, L.P.	Sale	254	2/4/2015	$	48.75	Open Market
Relational Investors IX, L.P.	Sale	551	2/4/2015	$	49.37	Open Market
Relational Investors LLC	Sale	626	2/4/2015	$	48.75	Open Market
Relational Investors LLC	Sale	1,358	2/4/2015	$	49.37	Open Market
Relational Investors XXIV, L.P.	Sale	32	2/4/2015	$	48.75	Open Market
Relational Investors XXIV, L.P.	Sale	71	2/4/2015	$	49.37	Open Market
Relational Investors LLC	Sale	3,273	2/5/2015	$	48.61	Open Market
Relational Investors LLC	Sale	6,858	2/5/2015	$	48.65	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	7,937	2/5/2015	$	48.61	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	8,132	2/5/2015	$	48.61	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	4,186	2/5/2015	$	48.65	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	29,487	2/5/2015	$	48.65	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	1,655	2/5/2015	$	48.61	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	10,864	2/5/2015	$	48.61	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	9,159	2/5/2015	$	48.61	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	8,211	2/5/2015	$	48.65	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	16,642	2/5/2015	$	48.65	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	20,568	2/5/2015	$	48.65	Open Market
Relational Investors LLC	Sale	11,644	2/5/2015	$	48.61	Open Market
Relational Investors LLC	Sale	515	2/5/2015	$	48.61	Open Market
Relational Investors LLC	Sale	1,510	2/5/2015	$	48.61	Open Market
Relational Investors LLC	Sale	17,706	2/5/2015	$	48.65	Open Market
Relational Investors LLC	Sale	5,467	2/5/2015	$	48.65	Open Market
Relational Investors LLC	Sale	5,471	2/5/2015	$	48.65	Open Market
Relational Coast Partners, L.P.	Sale	833	2/5/2015	$	48.61	Open Market
Relational Coast Partners, L.P.	Sale	90	2/5/2015	$	48.61	Open Market
Relational Coast Partners, L.P.	Sale	1,481	2/5/2015	$	48.61	Open Market
Relational Coast Partners, L.P.	Sale	1,883	2/5/2015	$	48.65	Open Market
Relational Coast Partners, L.P.	Sale	957	2/5/2015	$	48.65	Open Market
Relational Coast Partners, L.P.	Sale	1,496	2/5/2015	$	48.65	Open Market
Relational Coast Partners, L.P.	Sale	702	2/5/2015	$	48.65	Open Market
Relational Fund Partners, L.P.	Sale	184	2/5/2015	$	48.61	Open Market
Relational Fund Partners, L.P.	Sale	9	2/5/2015	$	48.61	Open Market
Relational Fund Partners, L.P.	Sale	49	2/5/2015	$	48.61	Open Market
Relational Fund Partners, L.P.	Sale	294	2/5/2015	$	48.65	Open Market
Relational Fund Partners, L.P.	Sale	97	2/5/2015	$	48.65	Open Market
Relational Fund Partners, L.P.	Sale	117	2/5/2015	$	48.65	Open Market
RH Fund 1, L.P.	Sale	1,070	2/5/2015	$	48.61	Open Market
RH Fund 1, L.P.	Sale	80	2/5/2015	$	48.61	Open Market
RH Fund 1, L.P.	Sale	990	2/5/2015	$	48.61	Open Market
RH Fund 1, L.P.	Sale	1,992	2/5/2015	$	48.65	Open Market
RH Fund 1, L.P.	Sale	848	2/5/2015	$	48.65	Open Market
RH Fund 1, L.P.	Sale	1,326	2/5/2015	$	48.65	Open Market
RH Fund 1, L.P.	Sale	319	2/5/2015	$	48.65	Open Market
Relational Investors XV, L.P.	Sale	1,891	2/5/2015	$	48.61	Open Market
Relational Investors XV, L.P.	Sale	94	2/5/2015	$	48.61	Open Market
Relational Investors XV, L.P.	Sale	567	2/5/2015	$	48.61	Open Market
Relational Investors XV, L.P.	Sale	2,949	2/5/2015	$	48.65	Open Market
Relational Investors XV, L.P.	Sale	1,000	2/5/2015	$	48.65	Open Market
Relational Investors XV, L.P.	Sale	1,399	2/5/2015	$	48.65	Open Market
Relational Investors XVI, L.P.	Sale	1,297	2/5/2015	$	48.61	Open Market
Relational Investors XVI, L.P.	Sale	762	2/5/2015	$	48.65	Open Market
Relational Investors XVI, L.P.	Sale	49	2/5/2015	$	48.65	Open Market

Relational Investors XVI, L.P.	Sale	1,843	2/5/2015	$	48.65	Open Market
Relational Investors XVI, L.P.	Sale	64	2/5/2015	$	48.65	Open Market
Relational Investors XX, L.P.	Sale	1,179	2/5/2015	$	48.61	Open Market
Relational Investors XX, L.P.	Sale	86	2/5/2015	$	48.61	Open Market
Relational Investors XX, L.P.	Sale	1,035	2/5/2015	$	48.61	Open Market
Relational Investors XX, L.P.	Sale	2,178	2/5/2015	$	48.65	Open Market
Relational Investors XX, L.P.	Sale	914	2/5/2015	$	48.65	Open Market
Relational Investors XX, L.P.	Sale	1,429	2/5/2015	$	48.65	Open Market
Relational Investors XX, L.P.	Sale	300	2/5/2015	$	48.65	Open Market
Relational Investors XXIII, L.P.	Sale	1,607	2/5/2015	$	48.61	Open Market
Relational Investors XXIII, L.P.	Sale	120	2/5/2015	$	48.61	Open Market
Relational Investors XXIII, L.P.	Sale	1,495	2/5/2015	$	48.61	Open Market
Relational Investors XXIII, L.P.	Sale	3,006	2/5/2015	$	48.65	Open Market
Relational Investors XXIII, L.P.	Sale	1,280	2/5/2015	$	48.65	Open Market
Relational Investors XXIII, L.P.	Sale	2,002	2/5/2015	$	48.65	Open Market
Relational Investors XXIII, L.P.	Sale	464	2/5/2015	$	48.65	Open Market
Relational Investors IX, L.P.	Sale	3,084	2/5/2015	$	48.61	Open Market
Relational Investors IX, L.P.	Sale	1,367	2/5/2015	$	48.65	Open Market
Relational Investors IX, L.P.	Sale	117	2/5/2015	$	48.65	Open Market
Relational Investors IX, L.P.	Sale	3,058	2/5/2015	$	48.65	Open Market
Relational Investors IX, L.P.	Sale	1,311	2/5/2015	$	48.65	Open Market
Relational Investors IX, L.P.	Sale	609	2/5/2015	$	48.65	Open Market
Relational Investors LLC	Sale	7,593	2/5/2015	$	48.61	Open Market
Relational Investors LLC	Sale	15,912	2/5/2015	$	48.65	Open Market
Relational Investors XXIV, L.P.	Sale	58	2/5/2015	$	48.61	Open Market
Relational Investors XXIV, L.P.	Sale	139	2/5/2015	$	48.61	Open Market
Relational Investors XXIV, L.P.	Sale	201	2/5/2015	$	48.61	Open Market
Relational Investors XXIV, L.P.	Sale	17	2/5/2015	$	48.65	Open Market
Relational Investors XXIV, L.P.	Sale	214	2/5/2015	$	48.65	Open Market
Relational Investors XXIV, L.P.	Sale	203	2/5/2015	$	48.65	Open Market
Relational Investors XXIV, L.P.	Sale	325	2/5/2015	$	48.65	Open Market
Relational Investors XXIV, L.P.	Sale	76	2/5/2015	$	48.65	Open Market