Relational Investors SC 13D/A Unum / RELATIONAL INVESTORS ownership change

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, L.P.	Sale	1,693	9/12/2011	$	21.81	Open Market
Relational Investors, L.P.	Sale	20,064	9/12/2011	$	21.81	Open Market
Relational Investors LLC	Sale	5,618	9/12/2011	$	21.81	Open Market
Relational Investors LLC	Sale	991	9/12/2011	$	21.81	Open Market
Relational Investors LLC	Sale	16,337	9/12/2011	$	21.81	Open Market
Relational Coast Partners, L.P.	Sale	497	9/12/2011	$	21.81	Open Market
Relational Coast Partners, L.P.	Sale	581	9/12/2011	$	21.81	Open Market
Relational Coast Partners, L.P.	Sale	107	9/12/2011	$	21.81	Open Market
Relational Fund Partners, L.P.	Sale	281	9/12/2011	$	21.81	Open Market
RH Fund I, L.P.	Sale	7,714	9/12/2011	$	21.81	Open Market
RH Fund 6, L.P.	Sale	5,766	9/12/2011	$	21.81	Open Market
Relational Investors X, L.P.	Sale	2,509	9/12/2011	$	21.81	Open Market
Relational Investors XV, L.P.	Sale	2,707	9/12/2011	$	21.81	Open Market
Relational Investors XVI, L.P.	Sale	2,359	9/12/2011	$	21.81	Open Market
Relational Investors XX, L.P.	Sale	2,288	9/12/2011	$	21.81	Open Market
Relational Investors XXII, L.P.	Sale	3,950	9/12/2011	$	21.81	Open Market
Relational Investors XXIII, L.P.	Sale	3,018	9/12/2011	$	21.81	Open Market
Relational Investors VIII, L.P.	Sale	10,298	9/12/2011	$	21.81	Open Market
Relational Investors VIII, L.P.	Sale	12,545	9/12/2011	$	21.81	Open Market
Relational Investors IX, L.P.	Sale	4,900	9/12/2011	$	21.81	Open Market
Relational Investors IX, L.P.	Sale	2,100	9/12/2011	$	21.81	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	6,304	9/12/2011	$	21.81	Open Market
Relational Investors LLC	Sale	11,715	9/12/2011	$	21.81	Open Market
Relational Investors, L.P.	Sale	23,963	9/14/2011	$	22.25	Open Market
Relational Investors, L.P.	Sale	44,537	9/14/2011	$	22.25	Open Market
Relational Investors, L.P.	Sale	18,198	9/14/2011	$	22.25	Open Market
Relational Investors, L.P.	Sale	39,354	9/14/2011	$	22.25	Open Market
Relational Investors, L.P.	Sale	31,586	9/14/2011	$	22.25	Open Market
Relational Investors LLC	Sale	40,705	9/14/2011	$	22.25	Open Market
Relational Investors LLC	Sale	7,183	9/14/2011	$	22.25	Open Market
Relational Investors LLC	Sale	118,369	9/14/2011	$	22.25	Open Market
Relational Coast Partners, L.P.	Sale	3,064	9/14/2011	$	22.25	Open Market
Relational Coast Partners, L.P.	Sale	1,215	9/14/2011	$	22.25	Open Market
Relational Coast Partners, L.P.	Sale	1,823	9/14/2011	$	22.25	Open Market
Relational Coast Partners, L.P.	Sale	1,711	9/14/2011	$	22.25	Open Market
Relational Coast Partners, L.P.	Sale	178	9/14/2011	$	22.25	Open Market
Relational Coast Partners, L.P.	Sale	601	9/14/2011	$	22.25	Open Market
Relational Fund Partners, L.P.	Sale	2,044	9/14/2011	$	22.25	Open Market
RH Fund I, L.P.	Sale	29,024	9/14/2011	$	22.25	Open Market
RH Fund I, L.P.	Sale	26,872	9/14/2011	$	22.25	Open Market

RH Fund 6, L.P.	Sale	41,782	9/14/2011	$	22.25	Open Market
Relational Investors X, L.P.	Sale	17,186	9/14/2011	$	22.25	Open Market
Relational Investors X, L.P.	Sale	993	9/14/2011	$	22.25	Open Market
Relational Investors XV, L.P.	Sale	1,063	9/14/2011	$	22.25	Open Market
Relational Investors XV, L.P.	Sale	6,300	9/14/2011	$	22.25	Open Market
Relational Investors XV, L.P.	Sale	9,451	9/14/2011	$	22.25	Open Market
Relational Investors XV, L.P.	Sale	2,801	9/14/2011	$	22.25	Open Market
Relational Investors XVI, L.P.	Sale	3,370	9/14/2011	$	22.25	Open Market
Relational Investors XVI, L.P.	Sale	5,800	9/14/2011	$	22.25	Open Market
Relational Investors XVI, L.P.	Sale	7,926	9/14/2011	$	22.25	Open Market
Relational Investors XX, L.P.	Sale	16,578	9/14/2011	$	22.25	Open Market
Relational Investors XXII, L.P.	Sale	28,625	9/14/2011	$	22.25	Open Market
Relational Investors XXIII, L.P.	Sale	4,697	9/14/2011	$	22.25	Open Market
Relational Investors XXIII, L.P.	Sale	17,114	9/14/2011	$	22.25	Open Market
Relational Investors XXIII, L.P.	Sale	62	9/14/2011	$	22.25	Open Market
Relational Investors VIII, L.P.	Sale	7,375	9/14/2011	$	22.25	Open Market
Relational Investors VIII, L.P.	Sale	6,095	9/14/2011	$	22.25	Open Market
Relational Investors VIII, L.P.	Sale	9,960	9/14/2011	$	22.25	Open Market
Relational Investors VIII, L.P.	Sale	31,701	9/14/2011	$	22.25	Open Market
Relational Investors VIII, L.P.	Sale	31,709	9/14/2011	$	22.25	Open Market
Relational Investors VIII, L.P.	Sale	31,706	9/14/2011	$	22.25	Open Market
Relational Investors VIII, L.P.	Sale	16,294	9/14/2011	$	22.25	Open Market
Relational Investors VIII, L.P.	Sale	30,603	9/14/2011	$	22.25	Open Market
Relational Investors IX, L.P.	Sale	10,918	9/14/2011	$	22.25	Open Market
Relational Investors IX, L.P.	Sale	7,530	9/14/2011	$	22.25	Open Market
Relational Investors IX, L.P.	Sale	17,058	9/14/2011	$	22.25	Open Market
Relational Investors IX, L.P.	Sale	410	9/14/2011	$	22.25	Open Market
Relational Investors IX, L.P.	Sale	14,807	9/14/2011	$	22.25	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	38,113	9/14/2011	$	22.25	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	7,567	9/14/2011	$	22.25	Open Market
Relational Investors LLC	Sale	84,879	9/14/2011	$	22.25	Open Market
Relational Investors, L.P.	Sale	14,460	9/15/2011	$	22.63	Open Market
Relational Investors, L.P.	Sale	46,770	9/15/2011	$	22.63	Open Market
Relational Investors, L.P.	Sale	1,959	9/15/2011	$	22.63	Open Market
Relational Investors, L.P.	Sale	24,300	9/15/2011	$	22.63	Open Market
Relational Investors LLC	Sale	22,591	9/15/2011	$	22.63	Open Market
Relational Investors LLC	Sale	3,987	9/15/2011	$	22.63	Open Market
Relational Investors LLC	Sale	65,695	9/15/2011	$	22.63	Open Market
Relational Coast Partners, L.P.	Sale	719	9/15/2011	$	22.63	Open Market
Relational Coast Partners, L.P.	Sale	3,039	9/15/2011	$	22.63	Open Market
Relational Coast Partners, L.P.	Sale	579	9/15/2011	$	22.63	Open Market
Relational Coast Partners, L.P.	Sale	432	9/15/2011	$	22.63	Open Market
Relational Fund Partners, L.P.	Sale	75	9/15/2011	$	22.63	Open Market
Relational Fund Partners, L.P.	Sale	1,059	9/15/2011	$	22.63	Open Market
RH Fund I, L.P.	Sale	31,022	9/15/2011	$	22.63	Open Market
RH Fund 6, L.P.	Sale	21,572	9/15/2011	$	22.63	Open Market
RH Fund 6, L.P.	Sale	1,617	9/15/2011	$	22.63	Open Market

Relational Investors X, L.P.	Sale	10,090	9/15/2011	$	22.63	Open Market
Relational Investors XV, L.P.	Sale	349	9/15/2011	$	22.63	Open Market
Relational Investors XV, L.P.	Sale	4,726	9/15/2011	$	22.63	Open Market
Relational Investors XV, L.P.	Sale	5,812	9/15/2011	$	22.63	Open Market
Relational Investors XVI, L.P.	Sale	775	9/15/2011	$	22.63	Open Market
Relational Investors XVI, L.P.	Sale	2,900	9/15/2011	$	22.63	Open Market
Relational Investors XVI, L.P.	Sale	4,351	9/15/2011	$	22.63	Open Market
Relational Investors XVI, L.P.	Sale	1,462	9/15/2011	$	22.63	Open Market
Relational Investors XX, L.P.	Sale	9,201	9/15/2011	$	22.63	Open Market
Relational Investors XXII, L.P.	Sale	15,887	9/15/2011	$	22.63	Open Market
Relational Investors XXIII, L.P.	Sale	7,651	9/15/2011	$	22.63	Open Market
Relational Investors XXIII, L.P.	Sale	4,489	9/15/2011	$	22.63	Open Market
Relational Investors VIII, L.P.	Sale	5,640	9/15/2011	$	22.63	Open Market
Relational Investors VIII, L.P.	Sale	18,121	9/15/2011	$	22.63	Open Market
Relational Investors VIII, L.P.	Sale	31,712	9/15/2011	$	22.63	Open Market
Relational Investors VIII, L.P.	Sale	36,346	9/15/2011	$	22.63	Open Market
Relational Investors IX, L.P.	Sale	4,249	9/15/2011	$	22.63	Open Market
Relational Investors IX, L.P.	Sale	15,457	9/15/2011	$	22.63	Open Market
Relational Investors IX, L.P.	Sale	3,898	9/15/2011	$	22.63	Open Market
Relational Investors IX, L.P.	Sale	811	9/15/2011	$	22.63	Open Market
Relational Investors IX, L.P.	Sale	3,736	9/15/2011	$	22.63	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	25,353	9/15/2011	$	22.63	Open Market
Relational Investors LLC	Sale	47,108	9/15/2011	$	22.63	Open Market
Relational Investors, L.P.	Sale	21,877	9/19/2011	$	22.32	Open Market
Relational Investors, L.P.	Sale	65,612	9/19/2011	$	22.32	Open Market
Relational Investors LLC	Sale	22,591	9/19/2011	$	22.32	Open Market
Relational Investors LLC	Sale	3,987	9/19/2011	$	22.32	Open Market
Relational Investors LLC	Sale	65,695	9/19/2011	$	22.32	Open Market
Relational Coast Partners, L.P.	Sale	636	9/19/2011	$	22.32	Open Market
Relational Coast Partners, L.P.	Sale	1,519	9/19/2011	$	22.32	Open Market
Relational Coast Partners, L.P.	Sale	1,823	9/19/2011	$	22.32	Open Market
Relational Coast Partners, L.P.	Sale	359	9/19/2011	$	22.32	Open Market
Relational Coast Partners, L.P.	Sale	433	9/19/2011	$	22.32	Open Market
Relational Fund Partners, L.P.	Sale	42	9/19/2011	$	22.33	Open Market
Relational Fund Partners, L.P.	Sale	605	9/19/2011	$	22.32	Open Market
Relational Fund Partners, L.P.	Sale	489	9/19/2011	$	22.32	Open Market
RH Fund I, L.P.	Sale	31,022	9/19/2011	$	22.32	Open Market
RH Fund 6, L.P.	Sale	23,189	9/19/2011	$	22.32	Open Market
Relational Investors X, L.P.	Sale	10,090	9/19/2011	$	22.32	Open Market
Relational Investors XV, L.P.	Sale	488	9/19/2011	$	22.32	Open Market
Relational Investors XV, L.P.	Sale	7,876	9/19/2011	$	22.32	Open Market
Relational Investors XV, L.P.	Sale	2,523	9/19/2011	$	22.32	Open Market
Relational Investors XVI, L.P.	Sale	4,338	9/19/2011	$	22.32	Open Market
Relational Investors XVI, L.P.	Sale	5,151	9/19/2011	$	22.32	Open Market
Relational Investors XX, L.P.	Sale	9,201	9/19/2011	$	22.32	Open Market
Relational Investors XXII, L.P.	Sale	15,887	9/19/2011	$	22.32	Open Market
Relational Investors XXIII, L.P.	Sale	12,140	9/19/2011	$	22.32	Open Market

Relational Investors VIII, L.P.	Sale	8,909	9/19/2011	$	22.32	Open Market
Relational Investors VIII, L.P.	Sale	45,256	9/19/2011	$	22.32	Open Market
Relational Investors VIII, L.P.	Sale	36,881	9/19/2011	$	22.32	Open Market
Relational Investors VIII, L.P.	Sale	769	9/19/2011	$	22.32	Open Market
Relational Investors IX, L.P.	Sale	15,373	9/19/2011	$	22.32	Open Market
Relational Investors IX, L.P.	Sale	4,333	9/19/2011	$	22.32	Open Market
Relational Investors IX, L.P.	Sale	8,445	9/19/2011	$	22.32	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	8,103	9/19/2011	$	22.32	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	17,250	9/19/2011	$	22.32	Open Market
Relational Investors LLC	Sale	47,108	9/19/2011	$	22.32	Open Market
Relational Investors, L.P.	Sale	34,156	9/20/2011	$	22.45	Open Market
Relational Investors, L.P.	Sale	27,325	9/20/2011	$	22.45	Open Market
Relational Investors LLC	Sale	15,875	9/20/2011	$	22.45	Open Market
Relational Investors LLC	Sale	2,802	9/20/2011	$	22.45	Open Market
Relational Investors LLC	Sale	46,166	9/20/2011	$	22.45	Open Market
Relational Coast Partners, L.P.	Sale	1,160	9/20/2011	$	22.45	Open Market
Relational Coast Partners, L.P.	Sale	1,215	9/20/2011	$	22.45	Open Market
Relational Coast Partners, L.P.	Sale	372	9/20/2011	$	22.45	Open Market
Relational Coast Partners, L.P.	Sale	301	9/20/2011	$	22.45	Open Market
Relational Coast Partners, L.P.	Sale	304	9/20/2011	$	22.45	Open Market
Relational Fund Partners, L.P.	Sale	29	9/20/2011	$	22.45	Open Market
Relational Fund Partners, L.P.	Sale	770	9/20/2011	$	22.45	Open Market
RH Fund I, L.P.	Sale	2,364	9/20/2011	$	22.45	Open Market
RH Fund I, L.P.	Sale	19,437	9/20/2011	$	22.45	Open Market
RH Fund 6, L.P.	Sale	16,296	9/20/2011	$	22.45	Open Market
Relational Investors X, L.P.	Sale	4,654	9/20/2011	$	22.45	Open Market
Relational Investors X, L.P.	Sale	2,436	9/20/2011	$	22.45	Open Market
Relational Investors XV, L.P.	Sale	627	9/20/2011	$	22.45	Open Market
Relational Investors XV, L.P.	Sale	3,938	9/20/2011	$	22.45	Open Market
Relational Investors XV, L.P.	Sale	3,085	9/20/2011	$	22.45	Open Market
Relational Investors XVI, L.P.	Sale	2,100	9/20/2011	$	22.45	Open Market
Relational Investors XVI, L.P.	Sale	2,900	9/20/2011	$	22.45	Open Market
Relational Investors XVI, L.P.	Sale	1,669	9/20/2011	$	22.45	Open Market
Relational Investors XX, L.P.	Sale	6,467	9/20/2011	$	22.45	Open Market
Relational Investors XXII, L.P.	Sale	11,165	9/20/2011	$	22.45	Open Market
Relational Investors XXIII, L.P.	Sale	8,531	9/20/2011	$	22.45	Open Market
Relational Investors VIII, L.P.	Sale	36,540	9/20/2011	$	22.45	Open Market
Relational Investors VIII, L.P.	Sale	15,243	9/20/2011	$	22.45	Open Market
Relational Investors VIII, L.P.	Sale	12,735	9/20/2011	$	22.45	Open Market
Relational Investors IX, L.P.	Sale	13,848	9/20/2011	$	22.45	Open Market
Relational Investors IX, L.P.	Sale	5,935	9/20/2011	$	22.45	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	17,816	9/20/2011	$	22.45	Open Market
Relational Investors LLC	Sale	33,105	9/20/2011	$	22.45	Open Market
Relational Investors, L.P.	Sale	79,096	10/3/2011	$	20.32	Open Market
Relational Investors, L.P.	Sale	82,642	10/3/2011	$	20.32	Open Market
Relational Investors, L.P.	Sale	49,877	10/3/2011	$	20.32	Open Market
Relational Investors, L.P.	Sale	42,663	10/3/2011	$	20.32	Open Market

Relational Investors, L.P.	Sale	38,913	10/3/2011	$	20.32	Open Market
Relational Investors, L.P.	Sale	16,069	10/24/2011	$	24.60	Open Market
Relational Investors, L.P.	Sale	37,935	10/24/2011	$	24.46	Open Market
Relational Investors, L.P.	Sale	18,920	10/24/2011	$	24.46	Open Market
Relational Investors LLC	Sale	4,596	10/24/2011	$	24.60	Open Market
Relational Investors LLC	Sale	811	10/24/2011	$	24.60	Open Market
Relational Investors LLC	Sale	16,263	10/24/2011	$	24.46	Open Market
Relational Investors LLC	Sale	2,870	10/24/2011	$	24.46	Open Market
Relational Investors LLC	Sale	13,366	10/24/2011	$	24.60	Open Market
Relational Investors LLC	Sale	47,293	10/24/2011	$	24.46	Open Market
Relational Coast Partners, L.P.	Sale	307	10/24/2011	$	24.60	Open Market
Relational Coast Partners, L.P.	Sale	575	10/24/2011	$	24.60	Open Market
Relational Coast Partners, L.P.	Sale	1,359	10/24/2011	$	24.46	Open Market
Relational Coast Partners, L.P.	Sale	1,762	10/24/2011	$	24.46	Open Market
Relational Coast Partners, L.P.	Sale	88	10/24/2011	$	24.60	Open Market
Relational Coast Partners, L.P.	Sale	311	10/24/2011	$	24.46	Open Market
Relational Fund Partners, L.P.	Sale	230	10/24/2011	$	24.60	Open Market
Relational Fund Partners, L.P.	Sale	128	10/24/2011	$	24.46	Open Market
Relational Fund Partners, L.P.	Sale	344	10/24/2011	$	24.46	Open Market
Relational Fund Partners, L.P.	Sale	320	10/24/2011	$	24.46	Open Market
Relational Fund Partners, L.P.	Sale	23	10/24/2011	$	24.46	Open Market
RH Fund I, L.P.	Sale	6,311	10/24/2011	$	24.60	Open Market
RH Fund I, L.P.	Sale	14,782	10/24/2011	$	24.46	Open Market
RH Fund I, L.P.	Sale	7,550	10/24/2011	$	24.46	Open Market
RH Fund 6, L.P.	Sale	4,718	10/24/2011	$	24.60	Open Market
RH Fund 6, L.P.	Sale	16,693	10/24/2011	$	24.46	Open Market
Relational Investors X, L.P.	Sale	2,052	10/24/2011	$	24.60	Open Market
Relational Investors X, L.P.	Sale	7,263	10/24/2011	$	24.46	Open Market
Relational Investors XV, L.P.	Sale	1,640	10/24/2011	$	24.60	Open Market
Relational Investors XV, L.P.	Sale	575	10/24/2011	$	24.60	Open Market
Relational Investors XV, L.P.	Sale	3,363	10/24/2011	$	24.46	Open Market
Relational Investors XV, L.P.	Sale	3,150	10/24/2011	$	24.46	Open Market
Relational Investors XV, L.P.	Sale	964	10/24/2011	$	24.46	Open Market
Relational Investors XV, L.P.	Sale	360	10/24/2011	$	24.46	Open Market
Relational Investors XVI, L.P.	Sale	1,930	10/24/2011	$	24.60	Open Market
Relational Investors XVI, L.P.	Sale	27	10/24/2011	$	24.46	Open Market
Relational Investors XVI, L.P.	Sale	4,351	10/24/2011	$	24.46	Open Market
Relational Investors XVI, L.P.	Sale	2,452	10/24/2011	$	24.46	Open Market
Relational Investors XX, L.P.	Sale	1,872	10/24/2011	$	24.60	Open Market
Relational Investors XX, L.P.	Sale	6,623	10/24/2011	$	24.46	Open Market
Relational Investors XXII, L.P.	Sale	3,232	10/24/2011	$	24.60	Open Market
Relational Investors XXII, L.P.	Sale	11,437	10/24/2011	$	24.46	Open Market
Relational Investors XXIII, L.P.	Sale	511	10/24/2011	$	24.60	Open Market
Relational Investors XXIII, L.P.	Sale	1,959	10/24/2011	$	24.60	Open Market
Relational Investors XXIII, L.P.	Sale	3,782	10/24/2011	$	24.46	Open Market
Relational Investors XXIII, L.P.	Sale	4,957	10/24/2011	$	24.46	Open Market
Relational Investors VIII, L.P.	Sale	18,689	10/24/2011	$	24.60	Open Market

Relational Investors VIII, L.P.	Sale	6,220	10/24/2011	$	24.46	Open Market
Relational Investors VIII, L.P.	Sale	38,575	10/24/2011	$	24.46	Open Market
Relational Investors VIII, L.P.	Sale	21,315	10/24/2011	$	24.46	Open Market
Relational Investors IX, L.P.	Sale	4,009	10/24/2011	$	24.60	Open Market
Relational Investors IX, L.P.	Sale	1,718	10/24/2011	$	24.60	Open Market
Relational Investors IX, L.P.	Sale	2,999	10/24/2011	$	24.46	Open Market
Relational Investors IX, L.P.	Sale	17,266	10/24/2011	$	24.46	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	5,158	10/24/2011	$	24.60	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	799	10/24/2011	$	24.46	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	17,452	10/24/2011	$	24.46	Open Market
Relational Investors LLC	Sale	9,584	10/24/2011	$	24.60	Open Market
Relational Investors LLC	Sale	33,913	10/24/2011	$	24.46	Open Market
Relational Investors, L.P.	Sale	66,624	10/25/2011	$	24.00	Open Market
Relational Investors, L.P.	Sale	11,210	10/25/2011	$	24.00	Open Market
Relational Investors, L.P.	Sale	2,112	10/25/2011	$	24.00	Open Market
Relational Investors LLC	Sale	22,868	10/25/2011	$	24.00	Open Market
Relational Investors LLC	Sale	4,036	10/25/2011	$	24.00	Open Market
Relational Investors LLC	Sale	66,500	10/25/2011	$	24.00	Open Market
Relational Coast Partners, L.P.	Sale	172	10/25/2011	$	24.00	Open Market
Relational Coast Partners, L.P.	Sale	1,934	10/25/2011	$	24.00	Open Market
Relational Coast Partners, L.P.	Sale	994	10/25/2011	$	24.00	Open Market
Relational Coast Partners, L.P.	Sale	1,289	10/25/2011	$	24.00	Open Market
Relational Coast Partners, L.P.	Sale	25	10/25/2011	$	24.00	Open Market
Relational Coast Partners, L.P.	Sale	412	10/25/2011	$	24.00	Open Market
Relational Fund Partners, L.P.	Sale	229	10/25/2011	$	24.00	Open Market
Relational Fund Partners, L.P.	Sale	476	10/25/2011	$	24.00	Open Market
Relational Fund Partners, L.P.	Sale	443	10/25/2011	$	24.00	Open Market
RH Fund I, L.P.	Sale	2,517	10/25/2011	$	24.00	Open Market
RH Fund I, L.P.	Sale	28,886	10/25/2011	$	24.00	Open Market
RH Fund 6, L.P.	Sale	23,473	10/25/2011	$	24.00	Open Market
Relational Investors X, L.P.	Sale	10,213	10/25/2011	$	24.00	Open Market
Relational Investors XV, L.P.	Sale	1,215	10/25/2011	$	24.00	Open Market
Relational Investors XV, L.P.	Sale	5,013	10/25/2011	$	24.00	Open Market
Relational Investors XV, L.P.	Sale	4,792	10/25/2011	$	24.00	Open Market
Relational Investors XVI, L.P.	Sale	1,173	10/25/2011	$	24.00	Open Market
Relational Investors XVI, L.P.	Sale	2,900	10/25/2011	$	24.00	Open Market
Relational Investors XVI, L.P.	Sale	888	10/25/2011	$	24.00	Open Market
Relational Investors XVI, L.P.	Sale	1,450	10/25/2011	$	24.00	Open Market
Relational Investors XVI, L.P.	Sale	3,194	10/25/2011	$	24.00	Open Market
Relational Investors XX, L.P.	Sale	9,314	10/25/2011	$	24.00	Open Market
Relational Investors XXII, L.P.	Sale	10,633	10/25/2011	$	24.00	Open Market
Relational Investors XXII, L.P.	Sale	5,449	10/25/2011	$	24.00	Open Market
Relational Investors XXIII, L.P.	Sale	1,071	10/25/2011	$	24.00	Open Market
Relational Investors XXIII, L.P.	Sale	339	10/25/2011	$	24.00	Open Market
Relational Investors XXIII, L.P.	Sale	633	10/25/2011	$	24.00	Open Market
Relational Investors XXIII, L.P.	Sale	10,245	10/25/2011	$	24.00	Open Market
Relational Investors VIII, L.P.	Sale	17,865	10/25/2011	$	24.00	Open Market

Relational Investors VIII, L.P.	Sale	1,642	10/25/2011	$	24.00	Open Market
Relational Investors VIII, L.P.	Sale	38,682	10/25/2011	$	24.00	Open Market
Relational Investors VIII, L.P.	Sale	34,761	10/25/2011	$	24.00	Open Market
Relational Investors IX, L.P.	Sale	16,446	10/25/2011	$	24.00	Open Market
Relational Investors IX, L.P.	Sale	12,050	10/25/2011	$	24.00	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	1,036	10/25/2011	$	24.00	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	24,627	10/25/2011	$	24.00	Open Market
Relational Investors LLC	Sale	47,686	10/25/2011	$	24.00	Open Market
Relational Investors, L.P.	Sale	58,262	10/26/2011	$	24.06	Open Market
Relational Investors, L.P.	Sale	15,870	10/26/2011	$	24.06	Open Market
Relational Investors, L.P.	Sale	57,029	10/26/2011	$	24.06	Open Market
Relational Investors, L.P.	Sale	25,461	10/26/2011	$	24.06	Open Market
Relational Investors, L.P.	Sale	26,736	10/26/2011	$	24.06	Open Market
Relational Investors, L.P.	Sale	1,502	10/26/2011	$	24.06	Open Market
Relational Investors, L.P.	Sale	2,811	10/26/2011	$	24.06	Open Market
Relational Investors, L.P.	Sale	13,193	10/26/2011	$	24.06	Open Market
Relational Investors LLC	Sale	57,456	10/26/2011	$	24.06	Open Market
Relational Investors LLC	Sale	10,139	10/26/2011	$	24.06	Open Market
Relational Investors LLC	Sale	167,082	10/26/2011	$	24.06	Open Market
Relational Coast Partners, L.P.	Sale	922	10/26/2011	$	24.06	Open Market
Relational Coast Partners, L.P.	Sale	1,106	10/26/2011	$	24.06	Open Market
Relational Coast Partners, L.P.	Sale	1,935	10/26/2011	$	24.06	Open Market
Relational Coast Partners, L.P.	Sale	2,761	10/26/2011	$	24.06	Open Market
Relational Coast Partners, L.P.	Sale	2,761	10/26/2011	$	24.06	Open Market
Relational Coast Partners, L.P.	Sale	1,545	10/26/2011	$	24.06	Open Market
Relational Coast Partners, L.P.	Sale	164	10/26/2011	$	24.06	Open Market
Relational Coast Partners, L.P.	Sale	936	10/26/2011	$	24.06	Open Market
Relational Fund Partners, L.P.	Sale	2,887	10/26/2011	$	24.06	Open Market
RH Fund I, L.P.	Sale	7,288	10/26/2011	$	24.06	Open Market
RH Fund I, L.P.	Sale	7,841	10/26/2011	$	24.06	Open Market
RH Fund I, L.P.	Sale	8,233	10/26/2011	$	24.06	Open Market
RH Fund I, L.P.	Sale	463	10/26/2011	$	24.06	Open Market
RH Fund I, L.P.	Sale	865	10/26/2011	$	24.06	Open Market
RH Fund I, L.P.	Sale	41,404	10/26/2011	$	24.06	Open Market
RH Fund I, L.P.	Sale	12,805	10/26/2011	$	24.06	Open Market
RH Fund 6, L.P.	Sale	58,976	10/26/2011	$	24.06	Open Market
Relational Investors X, L.P.	Sale	19,668	10/26/2011	$	24.06	Open Market
Relational Investors X, L.P.	Sale	1,316	10/26/2011	$	24.06	Open Market
Relational Investors X, L.P.	Sale	4,677	10/26/2011	$	24.06	Open Market
Relational Investors XV, L.P.	Sale	223	10/26/2011	$	24.06	Open Market
Relational Investors XV, L.P.	Sale	5,014	10/26/2011	$	24.06	Open Market
Relational Investors XV, L.P.	Sale	2,577	10/26/2011	$	24.06	Open Market
Relational Investors XV, L.P.	Sale	5,732	10/26/2011	$	24.06	Open Market
Relational Investors XV, L.P.	Sale	2,866	10/26/2011	$	24.06	Open Market
Relational Investors XV, L.P.	Sale	5,015	10/26/2011	$	24.06	Open Market
Relational Investors XV, L.P.	Sale	6,261	10/26/2011	$	24.06	Open Market
Relational Investors XVI, L.P.	Sale	1,422	10/26/2011	$	24.06	Open Market
Relational Investors XVI, L.P.	Sale	4,617	10/26/2011	$	24.06	Open Market
Relational Investors XVI, L.P.	Sale	4,616	10/26/2011	$	24.06	Open Market
Relational Investors XVI, L.P.	Sale	2,372	10/26/2011	$	24.06	Open Market
Relational Investors XVI, L.P.	Sale	5,277	10/26/2011	$	24.06	Open Market
Relational Investors XVI, L.P.	Sale	2,638	10/26/2011	$	24.06	Open Market
Relational Investors XVI, L.P.	Sale	3,190	10/26/2011	$	24.06	Open Market
Relational Investors XX, L.P.	Sale	23,401	10/26/2011	$	24.06	Open Market
Relational Investors XXII, L.P.	Sale	40,405	10/26/2011	$	24.06	Open Market

Relational Investors XXIII, L.P.	Sale	20,073	10/26/2011	$	24.06	Open Market
Relational Investors XXIII, L.P.	Sale	10,802	10/26/2011	$	24.06	Open Market
Relational Investors VIII, L.P.	Sale	48,818	10/26/2011	$	24.06	Open Market
Relational Investors VIII, L.P.	Sale	63,244	10/26/2011	$	24.06	Open Market
Relational Investors VIII, L.P.	Sale	49,110	10/26/2011	$	24.06	Open Market
Relational Investors VIII, L.P.	Sale	29,640	10/26/2011	$	24.06	Open Market
Relational Investors VIII, L.P.	Sale	25,354	10/26/2011	$	24.06	Open Market
Relational Investors VIII, L.P.	Sale	17,352	10/26/2011	$	24.06	Open Market
Relational Investors IX, L.P.	Sale	14,128	10/26/2011	$	24.06	Open Market
Relational Investors IX, L.P.	Sale	15,800	10/26/2011	$	24.06	Open Market
Relational Investors IX, L.P.	Sale	4,303	10/26/2011	$	24.06	Open Market
Relational Investors IX, L.P.	Sale	13,382	10/26/2011	$	24.06	Open Market
Relational Investors IX, L.P.	Sale	2,505	10/26/2011	$	24.06	Open Market
Relational Investors IX, L.P.	Sale	775	10/26/2011	$	24.06	Open Market
Relational Investors IX, L.P.	Sale	11,785	10/26/2011	$	24.06	Open Market
Relational Investors IX, L.P.	Sale	8,919	10/26/2011	$	24.06	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	36,908	10/26/2011	$	24.06	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	10,432	10/26/2011	$	24.06	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	10,953	10/26/2011	$	24.06	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	615	10/26/2011	$	24.06	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	1,151	10/26/2011	$	24.06	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	4,421	10/26/2011	$	24.06	Open Market
Relational Investors LLC	Sale	119,810	10/26/2011	$	24.06	Open Market