Exhibit A

Transactions by Reporting Persons in the last 60 days.

Beneficial Ownership	Purchase or Sale	Quantity	Transaction Date	Price per Share (including commission)		How Effected
Relational Investors LLC	Sale	35,956	10/1/2014	$	24.12	Open Market
Relational Investors LLC	Sale	435	10/1/2014	$	24.15	Open Market
Relational Investors LLC	Sale	17,753	10/1/2014	$	23.99	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	21,043	10/1/2014	$	24.12	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	105,437	10/1/2014	$	24.12	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	77,245	10/1/2014	$	24.12	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	2,468	10/1/2014	$	24.15	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	8,864	10/1/2014	$	23.99	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	35,434	10/1/2014	$	23.99	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	56,289	10/1/2014	$	23.99	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	49,798	10/1/2014	$	24.12	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	248,746	10/1/2014	$	24.12	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	3,624	10/1/2014	$	24.15	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	10,693	10/1/2014	$	23.99	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	28,671	10/1/2014	$	23.99	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	108,041	10/1/2014	$	23.99	Open Market
Relational Investors LLC	Sale	757	10/1/2014	$	24.12	Open Market
Relational Investors LLC	Sale	2,519	10/1/2014	$	24.12	Open Market
Relational Investors LLC	Sale	3,627	10/1/2014	$	24.12	Open Market
Relational Investors LLC	Sale	7,558	10/1/2014	$	24.12	Open Market
Relational Investors LLC	Sale	7,363	10/1/2014	$	24.12	Open Market
Relational Investors LLC	Sale	34,014	10/1/2014	$	24.12	Open Market
Relational Investors LLC	Sale	62,767	10/1/2014	$	24.12	Open Market
Relational Investors LLC	Sale	1,556	10/1/2014	$	24.12	Open Market
Relational Investors LLC	Sale	19,453	10/1/2014	$	24.12	Open Market
Relational Investors LLC	Sale	15,194	10/1/2014	$	24.12	Open Market

Relational Investors LLC	Sale	1,875	10/1/2014	$	24.15	Open Market
Relational Investors LLC	Sale	1,311	10/1/2014	$	23.99	Open Market
Relational Investors LLC	Sale	15,562	10/1/2014	$	23.99	Open Market
Relational Investors LLC	Sale	15,073	10/1/2014	$	23.99	Open Market
Relational Investors LLC	Sale	19,944	10/1/2014	$	23.99	Open Market
Relational Investors LLC	Sale	7,782	10/1/2014	$	23.99	Open Market
Relational Investors LLC	Sale	8,919	10/1/2014	$	23.99	Open Market
Relational Investors LLC	Sale	7,843	10/1/2014	$	23.99	Open Market
Relational Coast Partners, L.P.	Sale	1,645	10/1/2014	$	24.12	Open Market
Relational Coast Partners, L.P.	Sale	392	10/1/2014	$	24.12	Open Market
Relational Coast Partners, L.P.	Sale	449	10/1/2014	$	24.12	Open Market
Relational Coast Partners, L.P.	Sale	646	10/1/2014	$	24.12	Open Market
Relational Coast Partners, L.P.	Sale	1,347	10/1/2014	$	24.12	Open Market
Relational Coast Partners, L.P.	Sale	1,314	10/1/2014	$	24.12	Open Market
Relational Coast Partners, L.P.	Sale	6,067	10/1/2014	$	24.12	Open Market
Relational Coast Partners, L.P.	Sale	11,196	10/1/2014	$	24.12	Open Market
Relational Coast Partners, L.P.	Sale	277	10/1/2014	$	24.12	Open Market
Relational Coast Partners, L.P.	Sale	2,811	10/1/2014	$	24.12	Open Market
Relational Coast Partners, L.P.	Sale	316	10/1/2014	$	24.15	Open Market
Relational Coast Partners, L.P.	Sale	343	10/1/2014	$	23.99	Open Market
Relational Coast Partners, L.P.	Sale	3,279	10/1/2014	$	23.99	Open Market
Relational Coast Partners, L.P.	Sale	2,776	10/1/2014	$	23.99	Open Market
Relational Coast Partners, L.P.	Sale	2,689	10/1/2014	$	23.99	Open Market
Relational Coast Partners, L.P.	Sale	3,558	10/1/2014	$	23.99	Open Market
Relational Coast Partners, L.P.	Sale	263	10/1/2014	$	23.99	Open Market
Relational Fund Partners, L.P.	Sale	78	10/1/2014	$	24.12	Open Market
Relational Fund Partners, L.P.	Sale	132	10/1/2014	$	24.12	Open Market
Relational Fund Partners, L.P.	Sale	577	10/1/2014	$	24.12	Open Market
Relational Fund Partners, L.P.	Sale	1,066	10/1/2014	$	24.12	Open Market
Relational Fund Partners, L.P.	Sale	25	10/1/2014	$	24.12	Open Market
Relational Fund Partners, L.P.	Sale	330	10/1/2014	$	24.12	Open Market
Relational Fund Partners, L.P.	Sale	313	10/1/2014	$	24.12	Open Market

Relational Fund Partners, L.P.	Sale	235	10/1/2014	$	24.12	Open Market
Relational Fund Partners, L.P.	Sale	30	10/1/2014	$	24.15	Open Market
Relational Fund Partners, L.P.	Sale	3	10/1/2014	$	24.15	Open Market
Relational Fund Partners, L.P.	Sale	254	10/1/2014	$	23.99	Open Market
Relational Fund Partners, L.P.	Sale	341	10/1/2014	$	23.99	Open Market
Relational Fund Partners, L.P.	Sale	135	10/1/2014	$	23.99	Open Market
Relational Fund Partners, L.P.	Sale	144	10/1/2014	$	23.99	Open Market
Relational Fund Partners, L.P.	Sale	289	10/1/2014	$	23.99	Open Market
Relational Fund Partners, L.P.	Sale	198	10/1/2014	$	23.99	Open Market
RH Fund 1, L.P.	Sale	1,333	10/1/2014	$	24.12	Open Market
RH Fund 1, L.P.	Sale	350	10/1/2014	$	24.12	Open Market
RH Fund 1, L.P.	Sale	401	10/1/2014	$	24.12	Open Market
RH Fund 1, L.P.	Sale	578	10/1/2014	$	24.12	Open Market
RH Fund 1, L.P.	Sale	1,205	10/1/2014	$	24.12	Open Market
RH Fund 1, L.P.	Sale	1,174	10/1/2014	$	24.12	Open Market
RH Fund 1, L.P.	Sale	5,272	10/1/2014	$	24.12	Open Market
RH Fund 1, L.P.	Sale	9,728	10/1/2014	$	24.12	Open Market
RH Fund 1, L.P.	Sale	241	10/1/2014	$	24.12	Open Market
RH Fund 1, L.P.	Sale	3,015	10/1/2014	$	24.12	Open Market
RH Fund 1, L.P.	Sale	175	10/1/2014	$	24.12	Open Market
RH Fund 1, L.P.	Sale	284	10/1/2014	$	24.15	Open Market
RH Fund 1, L.P.	Sale	2,390	10/1/2014	$	23.99	Open Market
RH Fund 1, L.P.	Sale	2,412	10/1/2014	$	23.99	Open Market
RH Fund 1, L.P.	Sale	2,336	10/1/2014	$	23.99	Open Market
RH Fund 1, L.P.	Sale	3,091	10/1/2014	$	23.99	Open Market
RH Fund 1, L.P.	Sale	1,207	10/1/2014	$	23.99	Open Market
RH Fund 1, L.P.	Sale	153	10/1/2014	$	23.99	Open Market
Relational Investors XV, L.P.	Sale	259	10/1/2014	$	24.12	Open Market
Relational Investors XV, L.P.	Sale	2,705	10/1/2014	$	24.12	Open Market
Relational Investors XV, L.P.	Sale	421	10/1/2014	$	24.12	Open Market
Relational Investors XV, L.P.	Sale	483	10/1/2014	$	24.12	Open Market
Relational Investors XV, L.P.	Sale	696	10/1/2014	$	24.12	Open Market

Relational Investors XV, L.P.	Sale	1,450	10/1/2014	$	24.12	Open Market
Relational Investors XV, L.P.	Sale	1,413	10/1/2014	$	24.12	Open Market
Relational Investors XV, L.P.	Sale	5,895	10/1/2014	$	24.12	Open Market
Relational Investors XV, L.P.	Sale	10,878	10/1/2014	$	24.12	Open Market
Relational Investors XV, L.P.	Sale	269	10/1/2014	$	24.12	Open Market
Relational Investors XV, L.P.	Sale	2,761	10/1/2014	$	24.12	Open Market
Relational Investors XV, L.P.	Sale	329	10/1/2014	$	24.15	Open Market
Relational Investors XV, L.P.	Sale	281	10/1/2014	$	23.99	Open Market
Relational Investors XV, L.P.	Sale	3,186	10/1/2014	$	23.99	Open Market
Relational Investors XV, L.P.	Sale	2,697	10/1/2014	$	23.99	Open Market
Relational Investors XV, L.P.	Sale	2,613	10/1/2014	$	23.99	Open Market
Relational Investors XV, L.P.	Sale	3,457	10/1/2014	$	23.99	Open Market
Relational Investors XV, L.P.	Sale	1,210	10/1/2014	$	23.99	Open Market
Relational Investors XVI, L.P.	Sale	1,318	10/1/2014	$	24.12	Open Market
Relational Investors XVI, L.P.	Sale	234	10/1/2014	$	24.12	Open Market
Relational Investors XVI, L.P.	Sale	268	10/1/2014	$	24.12	Open Market
Relational Investors XVI, L.P.	Sale	386	10/1/2014	$	24.12	Open Market
Relational Investors XVI, L.P.	Sale	804	10/1/2014	$	24.12	Open Market
Relational Investors XVI, L.P.	Sale	784	10/1/2014	$	24.12	Open Market
Relational Investors XVI, L.P.	Sale	3,321	10/1/2014	$	24.12	Open Market
Relational Investors XVI, L.P.	Sale	6,128	10/1/2014	$	24.12	Open Market
Relational Investors XVI, L.P.	Sale	151	10/1/2014	$	24.12	Open Market
Relational Investors XVI, L.P.	Sale	1,899	10/1/2014	$	24.12	Open Market
Relational Investors XVI, L.P.	Sale	47	10/1/2014	$	24.12	Open Market
Relational Investors XVI, L.P.	Sale	185	10/1/2014	$	24.15	Open Market
Relational Investors XVI, L.P.	Sale	1,563	10/1/2014	$	23.99	Open Market
Relational Investors XVI, L.P.	Sale	1,520	10/1/2014	$	23.99	Open Market
Relational Investors XVI, L.P.	Sale	1,472	10/1/2014	$	23.99	Open Market
Relational Investors XVI, L.P.	Sale	1,948	10/1/2014	$	23.99	Open Market
Relational Investors XVI, L.P.	Sale	761	10/1/2014	$	23.99	Open Market
Relational Investors XVI, L.P.	Sale	310	10/1/2014	$	23.99	Open Market
Relational Investors XX, L.P.	Sale	777	10/1/2014	$	24.12	Open Market

Relational Investors XX, L.P.	Sale	365	10/1/2014	$	24.12	Open Market
Relational Investors XX, L.P.	Sale	418	10/1/2014	$	24.12	Open Market
Relational Investors XX, L.P.	Sale	602	10/1/2014	$	24.12	Open Market
Relational Investors XX, L.P.	Sale	1,256	10/1/2014	$	24.12	Open Market
Relational Investors XX, L.P.	Sale	1,225	10/1/2014	$	24.12	Open Market
Relational Investors XX, L.P.	Sale	5,509	10/1/2014	$	24.12	Open Market
Relational Investors XX, L.P.	Sale	10,166	10/1/2014	$	24.12	Open Market
Relational Investors XX, L.P.	Sale	252	10/1/2014	$	24.12	Open Market
Relational Investors XX, L.P.	Sale	3,150	10/1/2014	$	24.12	Open Market
Relational Investors XX, L.P.	Sale	1,215	10/1/2014	$	24.12	Open Market
Relational Investors XX, L.P.	Sale	302	10/1/2014	$	24.15	Open Market
Relational Investors XX, L.P.	Sale	1,460	10/1/2014	$	23.99	Open Market
Relational Investors XX, L.P.	Sale	2,521	10/1/2014	$	23.99	Open Market
Relational Investors XX, L.P.	Sale	2,441	10/1/2014	$	23.99	Open Market
Relational Investors XX, L.P.	Sale	3,231	10/1/2014	$	23.99	Open Market
Relational Investors XX, L.P.	Sale	1,261	10/1/2014	$	23.99	Open Market
Relational Investors XX, L.P.	Sale	1,397	10/1/2014	$	23.99	Open Market
Relational Investors XXIII, L.P.	Sale	836	10/1/2014	$	24.12	Open Market
Relational Investors XXIII, L.P.	Sale	513	10/1/2014	$	24.12	Open Market
Relational Investors XXIII, L.P.	Sale	587	10/1/2014	$	24.12	Open Market
Relational Investors XXIII, L.P.	Sale	846	10/1/2014	$	24.12	Open Market
Relational Investors XXIII, L.P.	Sale	1,763	10/1/2014	$	24.12	Open Market
Relational Investors XXIII, L.P.	Sale	1,718	10/1/2014	$	24.12	Open Market
Relational Investors XXIII, L.P.	Sale	7,807	10/1/2014	$	24.12	Open Market
Relational Investors XXIII, L.P.	Sale	14,407	10/1/2014	$	24.12	Open Market
Relational Investors XXIII, L.P.	Sale	357	10/1/2014	$	24.12	Open Market
Relational Investors XXIII, L.P.	Sale	4,465	10/1/2014	$	24.12	Open Market
Relational Investors XXIII, L.P.	Sale	1,906	10/1/2014	$	24.12	Open Market
Relational Investors XXIII, L.P.	Sale	426	10/1/2014	$	24.15	Open Market
Relational Investors XXIII, L.P.	Sale	1,887	10/1/2014	$	23.99	Open Market
Relational Investors XXIII, L.P.	Sale	3,572	10/1/2014	$	23.99	Open Market
Relational Investors XXIII, L.P.	Sale	3,460	10/1/2014	$	23.99	Open Market

Relational Investors XXIII, L.P.	Sale	4,579	10/1/2014	$	23.99	Open Market
Relational Investors XXIII, L.P.	Sale	1,787	10/1/2014	$	23.99	Open Market
Relational Investors XXIII, L.P.	Sale	1,992	10/1/2014	$	23.99	Open Market
Relational Investors XXIII, L.P.	Sale	105	10/1/2014	$	23.99	Open Market
Relational Investors IX, L.P.	Sale	1,726	10/1/2014	$	24.12	Open Market
Relational Investors IX, L.P.	Sale	2,058	10/1/2014	$	24.12	Open Market
Relational Investors IX, L.P.	Sale	882	10/1/2014	$	24.12	Open Market
Relational Investors IX, L.P.	Sale	2,681	10/1/2014	$	24.12	Open Market
Relational Investors IX, L.P.	Sale	1,149	10/1/2014	$	24.12	Open Market
Relational Investors IX, L.P.	Sale	597	10/1/2014	$	24.12	Open Market
Relational Investors IX, L.P.	Sale	684	10/1/2014	$	24.12	Open Market
Relational Investors IX, L.P.	Sale	689	10/1/2014	$	24.12	Open Market
Relational Investors IX, L.P.	Sale	296	10/1/2014	$	24.12	Open Market
Relational Investors IX, L.P.	Sale	2,052	10/1/2014	$	24.12	Open Market
Relational Investors IX, L.P.	Sale	2,000	10/1/2014	$	24.12	Open Market
Relational Investors IX, L.P.	Sale	7,722	10/1/2014	$	24.12	Open Market
Relational Investors IX, L.P.	Sale	12,770	10/1/2014	$	24.12	Open Market
Relational Investors IX, L.P.	Sale	427	10/1/2014	$	24.15	Open Market
Relational Investors IX, L.P.	Sale	1,052	10/1/2014	$	23.99	Open Market
Relational Investors IX, L.P.	Sale	353	10/1/2014	$	23.99	Open Market
Relational Investors IX, L.P.	Sale	3,091	10/1/2014	$	23.99	Open Market
Relational Investors IX, L.P.	Sale	1,325	10/1/2014	$	23.99	Open Market
Relational Investors IX, L.P.	Sale	4,173	10/1/2014	$	23.99	Open Market
Relational Investors IX, L.P.	Sale	2,208	10/1/2014	$	23.99	Open Market
Relational Investors IX, L.P.	Sale	265	10/1/2014	$	23.99	Open Market
Relational Investors IX, L.P.	Sale	1,060	10/1/2014	$	23.99	Open Market
Relational Investors IX, L.P.	Sale	2,395	10/1/2014	$	23.99	Open Market
Relational Investors IX, L.P.	Sale	1,027	10/1/2014	$	23.99	Open Market
Relational Investors IX, L.P.	Sale	483	10/1/2014	$	23.99	Open Market
Relational Investors LLC	Sale	94,672	10/1/2014	$	24.12	Open Market
Relational Investors LLC	Sale	1,146	10/1/2014	$	24.15	Open Market
Relational Investors LLC	Sale	46,743	10/1/2014	$	23.99	Open Market

Relational Investors XXIV, L.P.	Sale	1,477	10/1/2014	$	24.12	Open Market
Relational Investors XXIV, L.P.	Sale	1,400	10/1/2014	$	24.12	Open Market
Relational Investors XXIV, L.P.	Sale	1,330	10/1/2014	$	24.12	Open Market
Relational Investors XXIV, L.P.	Sale	50	10/1/2014	$	24.15	Open Market
Relational Investors XXIV, L.P.	Sale	2,077	10/1/2014	$	23.99	Open Market
Relational Investors LLC	Sale	5,199	10/2/2014	$	23.65	Open Market
Relational Investors LLC	Sale	18,302	10/2/2014	$	23.57	Open Market
Relational Investors LLC	Sale	62,367	10/2/2014	$	23.72	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	14,572	10/2/2014	$	23.65	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	14,878	10/2/2014	$	23.65	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	39,938	10/2/2014	$	23.57	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	35,431	10/2/2014	$	23.57	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	28,330	10/2/2014	$	23.57	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	36,112	10/2/2014	$	23.72	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	163,452	10/2/2014	$	23.72	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	70,845	10/2/2014	$	23.72	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	50,283	10/2/2014	$	23.72	Open Market
Relational Investors Mid-Cap Fund I, L.P.	Sale	32,670	10/2/2014	$	23.72	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	26,842	10/2/2014	$	23.65	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	8,091	10/2/2014	$	23.65	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	8,222	10/2/2014	$	23.65	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	26,903	10/2/2014	$	23.57	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	125,051	10/2/2014	$	23.57	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	351,994	10/2/2014	$	23.72	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	59,235	10/2/2014	$	23.72	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	88,042	10/2/2014	$	23.72	Open Market
Relational Investors Mid-Cap Fund II, L.P.	Sale	18,525	10/2/2014	$	23.72	Open Market
Relational Investors LLC	Sale	9,995	10/2/2014	$	23.65	Open Market
Relational Investors LLC	Sale	12,308	10/2/2014	$	23.65	Open Market
Relational Investors LLC	Sale	76	10/2/2014	$	23.65	Open Market
Relational Investors LLC	Sale	13,303	10/2/2014	$	23.57	Open Market
Relational Investors LLC	Sale	65,497	10/2/2014	$	23.57	Open Market

Relational Investors LLC	Sale	14,866	10/2/2014	$	23.72	Open Market
Relational Investors LLC	Sale	17,838	10/2/2014	$	23.72	Open Market
Relational Investors LLC	Sale	42,813	10/2/2014	$	23.72	Open Market
Relational Investors LLC	Sale	4,459	10/2/2014	$	23.72	Open Market
Relational Investors LLC	Sale	32,110	10/2/2014	$	23.72	Open Market
Relational Investors LLC	Sale	7,447	10/2/2014	$	23.72	Open Market
Relational Investors LLC	Sale	8,919	10/2/2014	$	23.72	Open Market
Relational Investors LLC	Sale	26,541	10/2/2014	$	23.72	Open Market
Relational Investors LLC	Sale	22,299	10/2/2014	$	23.72	Open Market
Relational Investors LLC	Sale	8,919	10/2/2014	$	23.72	Open Market
Relational Investors LLC	Sale	17,839	10/2/2014	$	23.72	Open Market
Relational Investors LLC	Sale	13,799	10/2/2014	$	23.72	Open Market
Relational Investors LLC	Sale	8,919	10/2/2014	$	23.72	Open Market
Relational Investors LLC	Sale	16,223	10/2/2014	$	23.72	Open Market
Relational Investors LLC	Sale	25,525	10/2/2014	$	23.72	Open Market
Relational Coast Partners, L.P.	Sale	1,126	10/2/2014	$	23.65	Open Market
Relational Coast Partners, L.P.	Sale	1,559	10/2/2014	$	23.65	Open Market
Relational Coast Partners, L.P.	Sale	1,096	10/2/2014	$	23.65	Open Market
Relational Coast Partners, L.P.	Sale	2,022	10/2/2014	$	23.57	Open Market
Relational Coast Partners, L.P.	Sale	2,151	10/2/2014	$	23.57	Open Market
Relational Coast Partners, L.P.	Sale	2,338	10/2/2014	$	23.57	Open Market
Relational Coast Partners, L.P.	Sale	6,797	10/2/2014	$	23.57	Open Market
Relational Coast Partners, L.P.	Sale	7,250	10/2/2014	$	23.72	Open Market
Relational Coast Partners, L.P.	Sale	3,118	10/2/2014	$	23.72	Open Market
Relational Coast Partners, L.P.	Sale	7,484	10/2/2014	$	23.72	Open Market
Relational Coast Partners, L.P.	Sale	779	10/2/2014	$	23.72	Open Market
Relational Coast Partners, L.P.	Sale	5,613	10/2/2014	$	23.72	Open Market
Relational Coast Partners, L.P.	Sale	1,301	10/2/2014	$	23.72	Open Market
Relational Coast Partners, L.P.	Sale	1,559	10/2/2014	$	23.72	Open Market
Relational Coast Partners, L.P.	Sale	4,639	10/2/2014	$	23.72	Open Market
Relational Coast Partners, L.P.	Sale	3,898	10/2/2014	$	23.72	Open Market
Relational Coast Partners, L.P.	Sale	1,559	10/2/2014	$	23.72	Open Market

Relational Coast Partners, L.P.	Sale	3,118	10/2/2014	$	23.72	Open Market
Relational Coast Partners, L.P.	Sale	2,412	10/2/2014	$	23.72	Open Market
Relational Coast Partners, L.P.	Sale	1,559	10/2/2014	$	23.72	Open Market
Relational Coast Partners, L.P.	Sale	1,060	10/2/2014	$	23.72	Open Market
Relational Fund Partners, L.P.	Sale	1	10/2/2014	$	23.65	Open Market
Relational Fund Partners, L.P.	Sale	217	10/2/2014	$	23.65	Open Market
Relational Fund Partners, L.P.	Sale	180	10/2/2014	$	23.65	Open Market
Relational Fund Partners, L.P.	Sale	1,127	10/2/2014	$	23.57	Open Market
Relational Fund Partners, L.P.	Sale	276	10/2/2014	$	23.57	Open Market
Relational Fund Partners, L.P.	Sale	13	10/2/2014	$	23.72	Open Market
Relational Fund Partners, L.P.	Sale	695	10/2/2014	$	23.72	Open Market
Relational Fund Partners, L.P.	Sale	72	10/2/2014	$	23.72	Open Market
Relational Fund Partners, L.P.	Sale	522	10/2/2014	$	23.72	Open Market
Relational Fund Partners, L.P.	Sale	120	10/2/2014	$	23.72	Open Market
Relational Fund Partners, L.P.	Sale	144	10/2/2014	$	23.72	Open Market
Relational Fund Partners, L.P.	Sale	431	10/2/2014	$	23.72	Open Market
Relational Fund Partners, L.P.	Sale	363	10/2/2014	$	23.72	Open Market
Relational Fund Partners, L.P.	Sale	144	10/2/2014	$	23.72	Open Market
Relational Fund Partners, L.P.	Sale	290	10/2/2014	$	23.72	Open Market
Relational Fund Partners, L.P.	Sale	224	10/2/2014	$	23.72	Open Market
Relational Fund Partners, L.P.	Sale	145	10/2/2014	$	23.72	Open Market
Relational Fund Partners, L.P.	Sale	265	10/2/2014	$	23.72	Open Market
Relational Fund Partners, L.P.	Sale	674	10/2/2014	$	23.72	Open Market
Relational Fund Partners, L.P.	Sale	292	10/2/2014	$	23.72	Open Market
Relational Fund Partners, L.P.	Sale	210	10/2/2014	$	23.72	Open Market
Relational Fund Partners, L.P.	Sale	179	10/2/2014	$	23.72	Open Market
RH Fund 1, L.P.	Sale	1,210	10/2/2014	$	23.65	Open Market
RH Fund 1, L.P.	Sale	2,183	10/2/2014	$	23.65	Open Market
RH Fund 1, L.P.	Sale	544	10/2/2014	$	23.57	Open Market
RH Fund 1, L.P.	Sale	1,881	10/2/2014	$	23.57	Open Market
RH Fund 1, L.P.	Sale	2,045	10/2/2014	$	23.57	Open Market
RH Fund 1, L.P.	Sale	7,479	10/2/2014	$	23.57	Open Market

RH Fund 1, L.P.	Sale	4,808	10/2/2014	$	23.72	Open Market
RH Fund 1, L.P.	Sale	2,727	10/2/2014	$	23.72	Open Market
RH Fund 1, L.P.	Sale	6,546	10/2/2014	$	23.72	Open Market
RH Fund 1, L.P.	Sale	681	10/2/2014	$	23.72	Open Market
RH Fund 1, L.P.	Sale	4,909	10/2/2014	$	23.72	Open Market
RH Fund 1, L.P.	Sale	1,138	10/2/2014	$	23.72	Open Market
RH Fund 1, L.P.	Sale	1,363	10/2/2014	$	23.72	Open Market
RH Fund 1, L.P.	Sale	4,058	10/2/2014	$	23.72	Open Market
RH Fund 1, L.P.	Sale	3,409	10/2/2014	$	23.72	Open Market
RH Fund 1, L.P.	Sale	1,363	10/2/2014	$	23.72	Open Market
RH Fund 1, L.P.	Sale	2,727	10/2/2014	$	23.72	Open Market
RH Fund 1, L.P.	Sale	2,110	10/2/2014	$	23.72	Open Market
RH Fund 1, L.P.	Sale	1,364	10/2/2014	$	23.72	Open Market
RH Fund 1, L.P.	Sale	2,481	10/2/2014	$	23.72	Open Market
RH Fund 1, L.P.	Sale	1,031	10/2/2014	$	23.72	Open Market
Relational Investors XV, L.P.	Sale	140	10/2/2014	$	23.65	Open Market
Relational Investors XV, L.P.	Sale	1,513	10/2/2014	$	23.65	Open Market
Relational Investors XV, L.P.	Sale	2,283	10/2/2014	$	23.65	Open Market
Relational Investors XV, L.P.	Sale	744	10/2/2014	$	23.57	Open Market
Relational Investors XV, L.P.	Sale	2,089	10/2/2014	$	23.57	Open Market
Relational Investors XV, L.P.	Sale	2,270	10/2/2014	$	23.57	Open Market
Relational Investors XV, L.P.	Sale	8,758	10/2/2014	$	23.57	Open Market
Relational Investors XV, L.P.	Sale	4,882	10/2/2014	$	23.72	Open Market
Relational Investors XV, L.P.	Sale	3,027	10/2/2014	$	23.72	Open Market
Relational Investors XV, L.P.	Sale	7,266	10/2/2014	$	23.72	Open Market
Relational Investors XV, L.P.	Sale	757	10/2/2014	$	23.72	Open Market
Relational Investors XV, L.P.	Sale	5,450	10/2/2014	$	23.72	Open Market
Relational Investors XV, L.P.	Sale	1,264	10/2/2014	$	23.72	Open Market
Relational Investors XV, L.P.	Sale	1,514	10/2/2014	$	23.72	Open Market
Relational Investors XV, L.P.	Sale	4,505	10/2/2014	$	23.72	Open Market
Relational Investors XV, L.P.	Sale	3,785	10/2/2014	$	23.72	Open Market
Relational Investors XV, L.P.	Sale	1,514	10/2/2014	$	23.72	Open Market

Relational Investors XV, L.P.	Sale	3,028	10/2/2014	$	23.72	Open Market
Relational Investors XV, L.P.	Sale	2,342	10/2/2014	$	23.72	Open Market
Relational Investors XV, L.P.	Sale	1,514	10/2/2014	$	23.72	Open Market
Relational Investors XV, L.P.	Sale	2,753	10/2/2014	$	23.72	Open Market
Relational Investors XV, L.P.	Sale	3,633	10/2/2014	$	23.72	Open Market
Relational Investors XVI, L.P.	Sale	534	10/2/2014	$	23.65	Open Market
Relational Investors XVI, L.P.	Sale	1,683	10/2/2014	$	23.65	Open Market
Relational Investors XVI, L.P.	Sale	6	10/2/2014	$	23.57	Open Market
Relational Investors XVI, L.P.	Sale	1,165	10/2/2014	$	23.57	Open Market
Relational Investors XVI, L.P.	Sale	1,267	10/2/2014	$	23.57	Open Market
Relational Investors XVI, L.P.	Sale	5,372	10/2/2014	$	23.57	Open Market
Relational Investors XVI, L.P.	Sale	2,238	10/2/2014	$	23.72	Open Market
Relational Investors XVI, L.P.	Sale	1,689	10/2/2014	$	23.72	Open Market
Relational Investors XVI, L.P.	Sale	4,054	10/2/2014	$	23.72	Open Market
Relational Investors XVI, L.P.	Sale	422	10/2/2014	$	23.72	Open Market
Relational Investors XVI, L.P.	Sale	3,041	10/2/2014	$	23.72	Open Market
Relational Investors XVI, L.P.	Sale	705	10/2/2014	$	23.72	Open Market
Relational Investors XVI, L.P.	Sale	844	10/2/2014	$	23.72	Open Market
Relational Investors XVI, L.P.	Sale	2,513	10/2/2014	$	23.72	Open Market
Relational Investors XVI, L.P.	Sale	2,112	10/2/2014	$	23.72	Open Market
Relational Investors XVI, L.P.	Sale	844	10/2/2014	$	23.72	Open Market
Relational Investors XVI, L.P.	Sale	1,689	10/2/2014	$	23.72	Open Market
Relational Investors XVI, L.P.	Sale	1,307	10/2/2014	$	23.72	Open Market
Relational Investors XVI, L.P.	Sale	845	10/2/2014	$	23.72	Open Market
Relational Investors XVI, L.P.	Sale	1,536	10/2/2014	$	23.72	Open Market
Relational Investors XVI, L.P.	Sale	2,769	10/2/2014	$	23.72	Open Market
Relational Investors XX, L.P.	Sale	5	10/2/2014	$	23.65	Open Market
Relational Investors XX, L.P.	Sale	2,805	10/2/2014	$	23.65	Open Market
Relational Investors XX, L.P.	Sale	794	10/2/2014	$	23.65	Open Market
Relational Investors XX, L.P.	Sale	1,141	10/2/2014	$	23.57	Open Market
Relational Investors XX, L.P.	Sale	2,104	10/2/2014	$	23.57	Open Market
Relational Investors XX, L.P.	Sale	9,447	10/2/2014	$	23.57	Open Market

Relational Investors XX, L.P.	Sale	3,193	10/2/2014	$	23.72	Open Market
Relational Investors XX, L.P.	Sale	2,805	10/2/2014	$	23.72	Open Market
Relational Investors XX, L.P.	Sale	6,733	10/2/2014	$	23.72	Open Market
Relational Investors XX, L.P.	Sale	701	10/2/2014	$	23.72	Open Market
Relational Investors XX, L.P.	Sale	5,050	10/2/2014	$	23.72	Open Market
Relational Investors XX, L.P.	Sale	1,171	10/2/2014	$	23.72	Open Market
Relational Investors XX, L.P.	Sale	1,402	10/2/2014	$	23.72	Open Market
Relational Investors XX, L.P.	Sale	4,174	10/2/2014	$	23.72	Open Market
Relational Investors XX, L.P.	Sale	3,507	10/2/2014	$	23.72	Open Market
Relational Investors XX, L.P.	Sale	1,403	10/2/2014	$	23.72	Open Market
Relational Investors XX, L.P.	Sale	2,806	10/2/2014	$	23.72	Open Market
Relational Investors XX, L.P.	Sale	2,170	10/2/2014	$	23.72	Open Market
Relational Investors XX, L.P.	Sale	1,403	10/2/2014	$	23.72	Open Market
Relational Investors XX, L.P.	Sale	2,552	10/2/2014	$	23.72	Open Market
Relational Investors XX, L.P.	Sale	4,181	10/2/2014	$	23.72	Open Market
Relational Investors XXIII, L.P.	Sale	3,880	10/2/2014	$	23.65	Open Market
Relational Investors XXIII, L.P.	Sale	1,209	10/2/2014	$	23.65	Open Market
Relational Investors XXIII, L.P.	Sale	1,541	10/2/2014	$	23.57	Open Market
Relational Investors XXIII, L.P.	Sale	2,989	10/2/2014	$	23.57	Open Market
Relational Investors XXIII, L.P.	Sale	13,390	10/2/2014	$	23.57	Open Market
Relational Investors XXIII, L.P.	Sale	4,566	10/2/2014	$	23.72	Open Market
Relational Investors XXIII, L.P.	Sale	3,985	10/2/2014	$	23.72	Open Market
Relational Investors XXIII, L.P.	Sale	9,565	10/2/2014	$	23.72	Open Market
Relational Investors XXIII, L.P.	Sale	996	10/2/2014	$	23.72	Open Market
Relational Investors XXIII, L.P.	Sale	7,174	10/2/2014	$	23.72	Open Market
Relational Investors XXIII, L.P.	Sale	1,664	10/2/2014	$	23.72	Open Market
Relational Investors XXIII, L.P.	Sale	1,992	10/2/2014	$	23.72	Open Market
Relational Investors XXIII, L.P.	Sale	5,930	10/2/2014	$	23.72	Open Market
Relational Investors XXIII, L.P.	Sale	4,982	10/2/2014	$	23.72	Open Market
Relational Investors XXIII, L.P.	Sale	1,993	10/2/2014	$	23.72	Open Market
Relational Investors XXIII, L.P.	Sale	3,986	10/2/2014	$	23.72	Open Market
Relational Investors XXIII, L.P.	Sale	3,083	10/2/2014	$	23.72	Open Market

Relational Investors XXIII, L.P.	Sale	1,993	10/2/2014	$	23.72	Open Market
Relational Investors XXIII, L.P.	Sale	3,625	10/2/2014	$	23.72	Open Market
Relational Investors XXIII, L.P.	Sale	5,533	10/2/2014	$	23.72	Open Market
Relational Investors IX, L.P.	Sale	2,687	10/2/2014	$	23.65	Open Market
Relational Investors IX, L.P.	Sale	1,358	10/2/2014	$	23.65	Open Market
Relational Investors IX, L.P.	Sale	1,059	10/2/2014	$	23.65	Open Market
Relational Investors IX, L.P.	Sale	178	10/2/2014	$	23.57	Open Market
Relational Investors IX, L.P.	Sale	530	10/2/2014	$	23.57	Open Market
Relational Investors IX, L.P.	Sale	1,853	10/2/2014	$	23.57	Open Market
Relational Investors IX, L.P.	Sale	3,706	10/2/2014	$	23.57	Open Market
Relational Investors IX, L.P.	Sale	1,790	10/2/2014	$	23.57	Open Market
Relational Investors IX, L.P.	Sale	767	10/2/2014	$	23.57	Open Market
Relational Investors IX, L.P.	Sale	1,945	10/2/2014	$	23.57	Open Market
Relational Investors IX, L.P.	Sale	834	10/2/2014	$	23.57	Open Market
Relational Investors IX, L.P.	Sale	6,369	10/2/2014	$	23.57	Open Market
Relational Investors IX, L.P.	Sale	5,320	10/2/2014	$	23.72	Open Market
Relational Investors IX, L.P.	Sale	5,009	10/2/2014	$	23.72	Open Market
Relational Investors IX, L.P.	Sale	2,594	10/2/2014	$	23.72	Open Market
Relational Investors IX, L.P.	Sale	1,112	10/2/2014	$	23.72	Open Market
Relational Investors IX, L.P.	Sale	6,227	10/2/2014	$	23.72	Open Market
Relational Investors IX, L.P.	Sale	2,669	10/2/2014	$	23.72	Open Market
Relational Investors IX, L.P.	Sale	926	10/2/2014	$	23.72	Open Market
Relational Investors IX, L.P.	Sale	4,670	10/2/2014	$	23.72	Open Market
Relational Investors IX, L.P.	Sale	2,002	10/2/2014	$	23.72	Open Market
Relational Investors IX, L.P.	Sale	1,083	10/2/2014	$	23.72	Open Market
Relational Investors IX, L.P.	Sale	464	10/2/2014	$	23.72	Open Market
Relational Investors IX, L.P.	Sale	1,853	10/2/2014	$	23.72	Open Market
Relational Investors IX, L.P.	Sale	5,515	10/2/2014	$	23.72	Open Market
Relational Investors IX, L.P.	Sale	3,425	10/2/2014	$	23.72	Open Market
Relational Investors IX, L.P.	Sale	1,208	10/2/2014	$	23.72	Open Market
Relational Investors IX, L.P.	Sale	1,853	10/2/2014	$	23.72	Open Market
Relational Investors IX, L.P.	Sale	2,595	10/2/2014	$	23.72	Open Market

Relational Investors IX, L.P.	Sale	1,112	10/2/2014	$	23.72	Open Market
Relational Investors IX, L.P.	Sale	2,007	10/2/2014	$	23.72	Open Market
Relational Investors IX, L.P.	Sale	860	10/2/2014	$	23.72	Open Market
Relational Investors IX, L.P.	Sale	1,853	10/2/2014	$	23.72	Open Market
Relational Investors IX, L.P.	Sale	2,360	10/2/2014	$	23.72	Open Market
Relational Investors IX, L.P.	Sale	1,011	10/2/2014	$	23.72	Open Market
Relational Investors IX, L.P.	Sale	3,513	10/2/2014	$	23.72	Open Market
Relational Investors LLC	Sale	13,687	10/2/2014	$	23.65	Open Market
Relational Investors LLC	Sale	48,189	10/2/2014	$	23.57	Open Market
Relational Investors LLC	Sale	164,212	10/2/2014	$	23.72	Open Market
Relational Investors XXIV, L.P.	Sale	608	10/2/2014	$	23.65	Open Market
Relational Investors XXIV, L.P.	Sale	932	10/2/2014	$	23.57	Open Market
Relational Investors XXIV, L.P.	Sale	544	10/2/2014	$	23.57	Open Market
Relational Investors XXIV, L.P.	Sale	665	10/2/2014	$	23.57	Open Market
Relational Investors XXIV, L.P.	Sale	1,897	10/2/2014	$	23.72	Open Market
Relational Investors XXIV, L.P.	Sale	153	10/2/2014	$	23.72	Open Market
Relational Investors XXIV, L.P.	Sale	667	10/2/2014	$	23.72	Open Market
Relational Investors XXIV, L.P.	Sale	4,582	10/2/2014	$	23.72	Open Market