Relational Investors SC 13D/A NATIONAL SEMICONDUCTOR / 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	50,759	2/11/2011	$	15.31	Open Market
RH Fund 1, L.P.	Sale	14,187	2/11/2011	$	15.31	Open Market
Relational Investors LLC	Sale	19,919	2/11/2011	$	15.31	Open Market
RH Fund 6, L.P.	Sale	8,513	2/11/2011	$	15.31	Open Market
Relational Investors VIII, L.P.	Sale	45,248	2/11/2011	$	15.31	Open Market
Relational Investors IX, L.P.	Sale	9,383	2/11/2011	$	15.31	Open Market
Relational Investors IX, L.P.	Sale	4,021	2/11/2011	$	15.31	Open Market
Relational Investors X, L.P.	Sale	3,645	2/11/2011	$	15.31	Open Market
Relational Investors XV, L.P.	Sale	3,544	2/11/2011	$	15.31	Open Market
Relational Investors XVI, L.P.	Sale	4,702	2/11/2011	$	15.31	Open Market
Relational Investors XX, L.P.	Sale	2,837	2/11/2011	$	15.31	Open Market
Relational Investors XXII, L.P.	Sale	4,698	2/11/2011	$	15.31	Open Market
Relational Investors XXIII, L.P.	Sale	3,841	2/11/2011	$	15.31	Open Market
Relational Investors LLC	Sale	9,748	2/11/2011	$	15.31	Open Market
Relational Investors LLC	Sale	1,720	2/11/2011	$	15.31	Open Market
Relational Coast Partners, L.P.	Sale	1,776	2/11/2011	$	15.31	Open Market
Relational Coast Partners, L.P.	Sale	182	2/11/2011	$	15.31	Open Market
Relational Fund Partners, L.P.	Sale	469	2/11/2011	$	15.31	Open Market
Relational Fund Partners, L.P.	Sale	87	2/11/2011	$	15.31	Open Market
Relational Fund Partners, L.P.	Sale	12	2/11/2011	$	15.31	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	8,559	2/11/2011	$	15.31	Open Market
Relational Investors LLC	Sale	17,150	2/11/2011	$	15.31	Open Market
Relational Investors, L.P.	Sale	50,759	2/14/2011	$	15.43	Open Market
RH Fund 1, L.P.	Sale	14,187	2/14/2011	$	15.43	Open Market
Relational Investors LLC	Sale	19,919	2/14/2011	$	15.43	Open Market
RH Fund 6, L.P.	Sale	8,513	2/14/2011	$	15.43	Open Market

Relational Investors VIII, L.P.	Sale	45,248	2/14/2011	$	15.43	Open Market
Relational Investors IX, L.P.	Sale	9,383	2/14/2011	$	15.43	Open Market
Relational Investors IX, L.P.	Sale	2,679	2/14/2011	$	15.43	Open Market
Relational Investors IX, L.P.	Sale	1,342	2/14/2011	$	15.43	Open Market
Relational Investors X, L.P.	Sale	3,645	2/14/2011	$	15.43	Open Market
Relational Investors XV, L.P.	Sale	3,544	2/14/2011	$	15.43	Open Market
Relational Investors XVI, L.P.	Sale	4,702	2/14/2011	$	15.43	Open Market
Relational Investors XX, L.P.	Sale	2,837	2/14/2011	$	15.43	Open Market
Relational Investors XXII, L.P.	Sale	4,698	2/14/2011	$	15.43	Open Market
Relational Investors XXIII, L.P.	Sale	3,841	2/14/2011	$	15.43	Open Market
Relational Investors LLC	Sale	9,748	2/14/2011	$	15.43	Open Market
Relational Investors LLC	Sale	1,720	2/14/2011	$	15.43	Open Market
Relational Coast Partners, L.P.	Sale	1,776	2/14/2011	$	15.43	Open Market
Relational Coast Partners, L.P.	Sale	182	2/14/2011	$	15.43	Open Market
Relational Fund Partners, L.P.	Sale	469	2/14/2011	$	15.43	Open Market
Relational Fund Partners, L.P.	Sale	87	2/14/2011	$	15.43	Open Market
Relational Fund Partners, L.P.	Sale	6	2/14/2011	$	15.43	Open Market
Relational Fund Partners, L.P.	Sale	6	2/14/2011	$	15.43	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	8,559	2/14/2011	$	15.43	Open Market
Relational Investors LLC	Sale	17,150	2/14/2011	$	15.43	Open Market
Relational Investors, L.P.	Sale	23,617	2/15/2011	$	15.33	Open Market
Relational Investors, L.P.	Sale	27,155	2/15/2011	$	15.28	Open Market
RH Fund 1, L.P.	Sale	6,598	2/15/2011	$	15.33	Open Market
RH Fund 1, L.P.	Sale	7,588	2/15/2011	$	15.28	Open Market
Relational Investors LLC	Sale	9,264	2/15/2011	$	15.33	Open Market
Relational Investors LLC	Sale	10,654	2/15/2011	$	15.28	Open Market
RH Fund 6, L.P.	Sale	3,959	2/15/2011	$	15.33	Open Market
RH Fund 6, L.P.	Sale	4,553	2/15/2011	$	15.28	Open Market
Relational Investors VIII, L.P.	Sale	21,045	2/15/2011	$	15.33	Open Market
Relational Investors VIII, L.P.	Sale	24,202	2/15/2011	$	15.28	Open Market
Relational Investors IX, L.P.	Sale	4,364	2/15/2011	$	15.33	Open Market
Relational Investors IX, L.P.	Sale	1,870	2/15/2011	$	15.33	Open Market
Relational Investors IX, L.P.	Sale	5,018	2/15/2011	$	15.28	Open Market
Relational Investors IX, L.P.	Sale	2,151	2/15/2011	$	15.28	Open Market

Relational Investors X, L.P.	Sale	1,695	2/15/2011	$	15.33	Open Market
Relational Investors X, L.P.	Sale	1,949	2/15/2011	$	15.27	Open Market
Relational Investors XV, L.P.	Sale	1,648	2/15/2011	$	15.33	Open Market
Relational Investors XV, L.P.	Sale	1,895	2/15/2011	$	15.28	Open Market
Relational Investors XVI, L.P.	Sale	2,187	2/15/2011	$	15.33	Open Market
Relational Investors XVI, L.P.	Sale	2,515	2/15/2011	$	15.28	Open Market
Relational Investors XX, L.P.	Sale	1,319	2/15/2011	$	15.33	Open Market
Relational Investors XX, L.P.	Sale	1,517	2/15/2011	$	15.28	Open Market
Relational Investors XXII, L.P.	Sale	2,185	2/15/2011	$	15.33	Open Market
Relational Investors XXII, L.P.	Sale	2,513	2/15/2011	$	15.28	Open Market
Relational Investors XXIII, L.P.	Sale	1,786	2/15/2011	$	15.33	Open Market
Relational Investors XXIII, L.P.	Sale	2,055	2/15/2011	$	15.28	Open Market
Relational Investors LLC	Sale	4,534	2/15/2011	$	15.33	Open Market
Relational Investors LLC	Sale	800	2/15/2011	$	15.33	Open Market
Relational Investors LLC	Sale	5,214	2/15/2011	$	15.28	Open Market
Relational Investors LLC	Sale	920	2/15/2011	$	15.28	Open Market
Relational Coast Partners, L.P.	Sale	826	2/15/2011	$	15.33	Open Market
Relational Coast Partners, L.P.	Sale	950	2/15/2011	$	15.28	Open Market
Relational Coast Partners, L.P.	Sale	84	2/15/2011	$	15.33	Open Market
Relational Coast Partners, L.P.	Sale	97	2/15/2011	$	15.27	Open Market
Relational Fund Partners, L.P.	Sale	218	2/15/2011	$	15.33	Open Market
Relational Fund Partners, L.P.	Sale	251	2/15/2011	$	15.27	Open Market
Relational Fund Partners, L.P.	Sale	40	2/15/2011	$	15.33	Open Market
Relational Fund Partners, L.P.	Sale	46	2/15/2011	$	15.27	Open Market
Relational Fund Partners, L.P.	Sale	5	2/15/2011	$	15.33	Open Market
Relational Fund Partners, L.P.	Sale	6	2/15/2011	$	15.27	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	3,980	2/15/2011	$	15.33	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	4,578	2/15/2011	$	15.28	Open Market
Relational Investors LLC	Sale	7,976	2/15/2011	$	15.33	Open Market
Relational Investors LLC	Sale	9,173	2/15/2011	$	15.28	Open Market
Relational Investors, L.P.	Sale	50,758	2/16/2011	$	15.43	Open Market
RH Fund 1, L.P.	Sale	7,329	2/16/2011	$	15.43	Open Market
RH Fund 1, L.P.	Sale	6,858	2/16/2011	$	15.43	Open Market
Relational Investors LLC	Sale	19,919	2/16/2011	$	15.43	Open Market

RH Fund 6, L.P.	Sale	4,713	2/16/2011	$	15.43	Open Market
RH Fund 6, L.P.	Sale	3,800	2/16/2011	$	15.43	Open Market
Relational Investors VIII, L.P.	Sale	20,086	2/16/2011	$	15.43	Open Market
Relational Investors VIII, L.P.	Sale	25,162	2/16/2011	$	15.43	Open Market
Relational Investors IX, L.P.	Sale	9,383	2/16/2011	$	15.43	Open Market
Relational Investors IX, L.P.	Sale	4,021	2/16/2011	$	15.43	Open Market
Relational Investors X, L.P.	Sale	3,645	2/16/2011	$	15.43	Open Market
Relational Investors XV, L.P.	Sale	3,544	2/16/2011	$	15.43	Open Market
Relational Investors XVI, L.P.	Sale	4,702	2/16/2011	$	15.43	Open Market
Relational Investors XX, L.P.	Sale	2,837	2/16/2011	$	15.43	Open Market
Relational Investors XXII, L.P.	Sale	4,698	2/16/2011	$	15.43	Open Market
Relational Investors XXIII, L.P.	Sale	3,842	2/16/2011	$	15.43	Open Market
Relational Investors LLC	Sale	9,748	2/16/2011	$	15.43	Open Market
Relational Investors LLC	Sale	1,720	2/16/2011	$	15.43	Open Market
Relational Coast Partners, L.P.	Sale	124	2/16/2011	$	15.43	Open Market
Relational Coast Partners, L.P.	Sale	1,652	2/16/2011	$	15.43	Open Market
Relational Coast Partners, L.P.	Sale	182	2/16/2011	$	15.43	Open Market
Relational Fund Partners, L.P.	Sale	469	2/16/2011	$	15.43	Open Market
Relational Fund Partners, L.P.	Sale	87	2/16/2011	$	15.43	Open Market
Relational Fund Partners, L.P.	Sale	12	2/16/2011	$	15.42	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	8,559	2/16/2011	$	15.43	Open Market
Relational Investors LLC	Sale	17,150	2/16/2011	$	15.43	Open Market
Relational Investors, L.P.	Sale	50,757	2/17/2011	$	15.73	Open Market
RH Fund 1, L.P.	Sale	3,551	2/17/2011	$	15.73	Open Market
RH Fund 1, L.P.	Sale	10,636	2/17/2011	$	15.73	Open Market
Relational Investors LLC	Sale	19,919	2/17/2011	$	15.73	Open Market
RH Fund 6, L.P.	Sale	5,521	2/17/2011	$	15.73	Open Market
RH Fund 6, L.P.	Sale	2,992	2/17/2011	$	15.73	Open Market
Relational Investors VIII, L.P.	Sale	25,194	2/17/2011	$	15.73	Open Market
Relational Investors VIII, L.P.	Sale	20,054	2/17/2011	$	15.73	Open Market
Relational Investors IX, L.P.	Sale	9,383	2/17/2011	$	15.73	Open Market
Relational Investors IX, L.P.	Sale	4,021	2/17/2011	$	15.73	Open Market
Relational Investors X, L.P.	Sale	3,645	2/17/2011	$	15.73	Open Market
Relational Investors XV, L.P.	Sale	357	2/17/2011	$	15.73	Open Market

Relational Investors XV, L.P.	Sale	3,187	2/17/2011	$	15.73	Open Market
Relational Investors XVI, L.P.	Sale	4,703	2/17/2011	$	15.73	Open Market
Relational Investors XX, L.P.	Sale	2,837	2/17/2011	$	15.73	Open Market
Relational Investors XXII, L.P.	Sale	4,698	2/17/2011	$	15.73	Open Market
Relational Investors XXIII, L.P.	Sale	3,842	2/17/2011	$	15.73	Open Market
Relational Investors LLC	Sale	9,748	2/17/2011	$	15.73	Open Market
Relational Investors LLC	Sale	1,720	2/17/2011	$	15.73	Open Market
Relational Coast Partners, L.P.	Sale	1,776	2/17/2011	$	15.73	Open Market
Relational Coast Partners, L.P.	Sale	182	2/17/2011	$	15.73	Open Market
Relational Fund Partners, L.P.	Sale	469	2/17/2011	$	15.73	Open Market
Relational Fund Partners, L.P.	Sale	87	2/17/2011	$	15.73	Open Market
Relational Fund Partners, L.P.	Sale	6	2/17/2011	$	15.73	Open Market
Relational Fund Partners, L.P.	Sale	6	2/17/2011	$	15.73	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	8,559	2/17/2011	$	15.73	Open Market
Relational Investors LLC	Sale	17,150	2/17/2011	$	15.73	Open Market
Relational Investors, L.P.	Sale	50,757	2/18/2011	$	15.63	Open Market
RH Fund 1, L.P.	Sale	9,542	2/18/2011	$	15.63	Open Market
RH Fund 1, L.P.	Sale	4,645	2/18/2011	$	15.63	Open Market
Relational Investors LLC	Sale	19,919	2/18/2011	$	15.63	Open Market
RH Fund 6, L.P.	Sale	8,513	2/18/2011	$	15.63	Open Market
Relational Investors VIII, L.P.	Sale	45,248	2/18/2011	$	15.63	Open Market
Relational Investors IX, L.P.	Sale	9,383	2/18/2011	$	15.63	Open Market
Relational Investors IX, L.P.	Sale	4,021	2/18/2011	$	15.63	Open Market
Relational Investors X, L.P.	Sale	3,645	2/18/2011	$	15.63	Open Market
Relational Investors XV, L.P.	Sale	3,544	2/18/2011	$	15.63	Open Market
Relational Investors XVI, L.P.	Sale	4,703	2/18/2011	$	15.63	Open Market
Relational Investors XX, L.P.	Sale	2,837	2/18/2011	$	15.63	Open Market
Relational Investors XXII, L.P.	Sale	4,698	2/18/2011	$	15.63	Open Market
Relational Investors XXIII, L.P.	Sale	3,842	2/18/2011	$	15.63	Open Market
Relational Investors LLC	Sale	9,748	2/18/2011	$	15.63	Open Market
Relational Investors LLC	Sale	1,720	2/18/2011	$	15.63	Open Market
Relational Coast Partners, L.P.	Sale	1,776	2/18/2011	$	15.63	Open Market
Relational Coast Partners, L.P.	Sale	182	2/18/2011	$	15.63	Open Market
Relational Fund Partners, L.P.	Sale	469	2/18/2011	$	15.63	Open Market

Relational Fund Partners, L.P.	Sale	87	2/18/2011	$	15.63	Open Market
Relational Fund Partners, L.P.	Sale	12	2/18/2011	$	15.63	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	8,559	2/18/2011	$	15.63	Open Market
Relational Investors LLC	Sale	17,150	2/18/2011	$	15.63	Open Market
Relational Investors, L.P.	Sale	50,757	2/22/2011	$	15.33	Open Market
RH Fund 1, L.P.	Sale	14,187	2/22/2011	$	15.33	Open Market
Relational Investors LLC	Sale	19,919	2/22/2011	$	15.33	Open Market
RH Fund 6, L.P.	Sale	8,335	2/22/2011	$	15.33	Open Market
RH Fund 6, L.P.	Sale	178	2/22/2011	$	15.33	Open Market
Relational Investors VIII, L.P.	Sale	36,754	2/22/2011	$	15.33	Open Market
Relational Investors VIII, L.P.	Sale	8,494	2/22/2011	$	15.33	Open Market
Relational Investors IX, L.P.	Sale	9,383	2/22/2011	$	15.33	Open Market
Relational Investors IX, L.P.	Sale	4,021	2/22/2011	$	15.33	Open Market
Relational Investors X, L.P.	Sale	3,645	2/22/2011	$	15.33	Open Market
Relational Investors XV, L.P.	Sale	3,544	2/22/2011	$	15.33	Open Market
Relational Investors XVI, L.P.	Sale	4,703	2/22/2011	$	15.33	Open Market
Relational Investors XX, L.P.	Sale	2,837	2/22/2011	$	15.33	Open Market
Relational Investors XXII, L.P.	Sale	4,698	2/22/2011	$	15.33	Open Market
Relational Investors XXIII, L.P.	Sale	3,842	2/22/2011	$	15.33	Open Market
Relational Investors LLC	Sale	9,748	2/22/2011	$	15.33	Open Market
Relational Investors LLC	Sale	1,720	2/22/2011	$	15.33	Open Market
Relational Coast Partners, L.P.	Sale	1,776	2/22/2011	$	15.33	Open Market
Relational Coast Partners, L.P.	Sale	182	2/22/2011	$	15.33	Open Market
Relational Fund Partners, L.P.	Sale	469	2/22/2011	$	15.33	Open Market
Relational Fund Partners, L.P.	Sale	87	2/22/2011	$	15.33	Open Market
Relational Fund Partners, L.P.	Sale	12	2/22/2011	$	15.33	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	8,559	2/22/2011	$	15.33	Open Market
Relational Investors LLC	Sale	17,150	2/22/2011	$	15.33	Open Market
Relational Investors, L.P.	Sale	50,757	2/23/2011	$	15.00	Open Market
RH Fund 1, L.P.	Sale	5,381	2/23/2011	$	15.00	Open Market
RH Fund 1, L.P.	Sale	8,806	2/23/2011	$	15.00	Open Market
Relational Investors LLC	Sale	19,919	2/23/2011	$	15.00	Open Market
RH Fund 6, L.P.	Sale	8,513	2/23/2011	$	15.00	Open Market
Relational Investors VIII, L.P.	Sale	45,248	2/23/2011	$	15.00	Open Market

Relational Investors IX, L.P.	Sale	9,383	2/23/2011	$	15.00	Open Market
Relational Investors IX, L.P.	Sale	2,260	2/23/2011	$	15.00	Open Market
Relational Investors IX, L.P.	Sale	1,761	2/23/2011	$	15.00	Open Market
Relational Investors X, L.P.	Sale	3,645	2/23/2011	$	15.00	Open Market
Relational Investors XV, L.P.	Sale	3,544	2/23/2011	$	15.00	Open Market
Relational Investors XVI, L.P.	Sale	4,703	2/23/2011	$	15.00	Open Market
Relational Investors XX, L.P.	Sale	2,837	2/23/2011	$	15.00	Open Market
Relational Investors XXII, L.P.	Sale	3,130	2/23/2011	$	15.00	Open Market
Relational Investors XXII, L.P.	Sale	1,568	2/23/2011	$	15.00	Open Market
Relational Investors XXIII, L.P.	Sale	3,842	2/23/2011	$	15.00	Open Market
Relational Investors LLC	Sale	9,748	2/23/2011	$	15.00	Open Market
Relational Investors LLC	Sale	1,720	2/23/2011	$	15.00	Open Market
Relational Coast Partners, L.P.	Sale	1,776	2/23/2011	$	15.00	Open Market
Relational Coast Partners, L.P.	Sale	182	2/23/2011	$	15.00	Open Market
Relational Fund Partners, L.P.	Sale	469	2/23/2011	$	15.00	Open Market
Relational Fund Partners, L.P.	Sale	87	2/23/2011	$	15.00	Open Market
Relational Fund Partners, L.P.	Sale	12	2/23/2011	$	15.00	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	8,559	2/23/2011	$	15.00	Open Market
Relational Investors LLC	Sale	13,522	2/23/2011	$	15.00	Open Market
Relational Investors LLC	Sale	3,628	2/23/2011	$	15.00	Open Market
Relational Investors, L.P.	Sale	50,757	2/24/2011	$	14.97	Open Market
RH Fund 1, L.P.	Sale	7,336	2/24/2011	$	14.97	Open Market
RH Fund 1, L.P.	Sale	6,851	2/24/2011	$	14.97	Open Market
Relational Investors LLC	Sale	19,919	2/24/2011	$	14.97	Open Market
RH Fund 6, L.P.	Sale	8,513	2/24/2011	$	14.97	Open Market
Relational Investors VIII, L.P.	Sale	45,248	2/24/2011	$	14.97	Open Market
Relational Investors IX, L.P.	Sale	9,383	2/24/2011	$	14.97	Open Market
Relational Investors IX, L.P.	Sale	4,021	2/24/2011	$	14.97	Open Market
Relational Investors X, L.P.	Sale	2,239	2/24/2011	$	14.97	Open Market
Relational Investors X, L.P.	Sale	1,406	2/24/2011	$	14.97	Open Market
Relational Investors XV, L.P.	Sale	2,459	2/24/2011	$	14.97	Open Market
Relational Investors XV, L.P.	Sale	1,085	2/24/2011	$	14.97	Open Market
Relational Investors XVI, L.P.	Sale	2,123	2/24/2011	$	14.97	Open Market
Relational Investors XVI, L.P.	Sale	2,580	2/24/2011	$	14.97	Open Market

Relational Investors XX, L.P.	Sale	2,837	2/24/2011	$	14.97	Open Market
Relational Investors XXII, L.P.	Sale	4,698	2/24/2011	$	14.97	Open Market
Relational Investors XXIII, L.P.	Sale	3,842	2/24/2011	$	14.97	Open Market
Relational Investors LLC	Sale	9,748	2/24/2011	$	14.97	Open Market
Relational Investors LLC	Sale	1,720	2/24/2011	$	14.97	Open Market
Relational Coast Partners, L.P.	Sale	1,776	2/24/2011	$	14.97	Open Market
Relational Coast Partners, L.P.	Sale	182	2/24/2011	$	14.97	Open Market
Relational Fund Partners, L.P.	Sale	469	2/24/2011	$	14.97	Open Market
Relational Fund Partners, L.P.	Sale	87	2/24/2011	$	14.97	Open Market
Relational Fund Partners, L.P.	Sale	12	2/24/2011	$	14.97	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	8,559	2/24/2011	$	14.97	Open Market
Relational Investors LLC	Sale	17,150	2/24/2011	$	14.97	Open Market
Relational Investors, L.P.	Sale	50,757	2/25/2011	$	15.51	Open Market
RH Fund 1, L.P.	Sale	9,291	2/25/2011	$	15.51	Open Market
RH Fund 1, L.P.	Sale	4,896	2/25/2011	$	15.51	Open Market
Relational Investors LLC	Sale	19,919	2/25/2011	$	15.51	Open Market
RH Fund 6, L.P.	Sale	6,604	2/25/2011	$	15.51	Open Market
RH Fund 6, L.P.	Sale	1,909	2/25/2011	$	15.51	Open Market
Relational Investors VIII, L.P.	Sale	23,478	2/25/2011	$	15.51	Open Market
Relational Investors VIII, L.P.	Sale	21,770	2/25/2011	$	15.51	Open Market
Relational Investors IX, L.P.	Sale	9,383	2/25/2011	$	15.51	Open Market
Relational Investors IX, L.P.	Sale	4,021	2/25/2011	$	15.51	Open Market
Relational Investors X, L.P.	Sale	3,645	2/25/2011	$	15.51	Open Market
Relational Investors XV, L.P.	Sale	3,544	2/25/2011	$	15.51	Open Market
Relational Investors XVI, L.P.	Sale	4,703	2/25/2011	$	15.51	Open Market
Relational Investors XX, L.P.	Sale	2,651	2/25/2011	$	15.51	Open Market
Relational Investors XX, L.P.	Sale	186	2/25/2011	$	15.51	Open Market
Relational Investors XXII, L.P.	Sale	4,698	2/25/2011	$	15.51	Open Market
Relational Investors XXIII, L.P.	Sale	3,418	2/25/2011	$	15.51	Open Market
Relational Investors XXIII, L.P.	Sale	424	2/25/2011	$	15.51	Open Market
Relational Investors LLC	Sale	9,748	2/25/2011	$	15.51	Open Market
Relational Investors LLC	Sale	1,720	2/25/2011	$	15.51	Open Market
Relational Coast Partners, L.P.	Sale	992	2/25/2011	$	15.51	Open Market
Relational Coast Partners, L.P.	Sale	784	2/25/2011	$	15.51	Open Market

Relational Coast Partners, L.P.	Sale	182	2/25/2011	$	15.51	Open Market
Relational Fund Partners, L.P.	Sale	469	2/25/2011	$	15.51	Open Market
Relational Fund Partners, L.P.	Sale	87	2/25/2011	$	15.51	Open Market
Relational Fund Partners, L.P.	Sale	12	2/25/2011	$	15.51	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	8,559	2/25/2011	$	15.51	Open Market
Relational Investors LLC	Sale	17,150	2/25/2011	$	15.51	Open Market
Relational Investors, L.P.	Sale	50,756	2/28/2011	$	15.43	Open Market
RH Fund 1, L.P.	Sale	14,187	2/28/2011	$	15.43	Open Market
Relational Investors LLC	Sale	19,919	2/28/2011	$	15.43	Open Market
RH Fund 6, L.P.	Sale	8,513	2/28/2011	$	15.43	Open Market
Relational Investors VIII, L.P.	Sale	45,248	2/28/2011	$	15.43	Open Market
Relational Investors IX, L.P.	Sale	9,383	2/28/2011	$	15.43	Open Market
Relational Investors IX, L.P.	Sale	4,021	2/28/2011	$	15.43	Open Market
Relational Investors X, L.P.	Sale	3,645	2/28/2011	$	15.43	Open Market
Relational Investors XV, L.P.	Sale	3,544	2/28/2011	$	15.43	Open Market
Relational Investors XVI, L.P.	Sale	4,703	2/28/2011	$	15.43	Open Market
Relational Investors XX, L.P.	Sale	2,837	2/28/2011	$	15.43	Open Market
Relational Investors XXII, L.P.	Sale	4,698	2/28/2011	$	15.43	Open Market
Relational Investors XXIII, L.P.	Sale	3,842	2/28/2011	$	15.43	Open Market
Relational Investors LLC	Sale	9,749	2/28/2011	$	15.43	Open Market
Relational Investors LLC	Sale	1,720	2/28/2011	$	15.43	Open Market
Relational Coast Partners, L.P.	Sale	1,776	2/28/2011	$	15.43	Open Market
Relational Coast Partners, L.P.	Sale	182	2/28/2011	$	15.43	Open Market
Relational Fund Partners, L.P.	Sale	469	2/28/2011	$	15.43	Open Market
Relational Fund Partners, L.P.	Sale	87	2/28/2011	$	15.43	Open Market
Relational Fund Partners, L.P.	Sale	3	2/28/2011	$	15.43	Open Market
Relational Fund Partners, L.P.	Sale	9	2/28/2011	$	15.43	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	8,559	2/28/2011	$	15.43	Open Market
Relational Investors LLC	Sale	17,150	2/28/2011	$	15.43	Open Market
Relational Investors, L.P.	Sale	50,756	3/1/2011	$	15.22	Open Market
RH Fund 1, L.P.	Sale	9,165	3/1/2011	$	15.22	Open Market
RH Fund 1, L.P.	Sale	5,022	3/1/2011	$	15.22	Open Market
Relational Investors LLC	Sale	19,919	3/1/2011	$	15.22	Open Market
RH Fund 6, L.P.	Sale	5,450	3/1/2011	$	15.22	Open Market

RH Fund 6, L.P.	Sale	3,063	3/1/2011	$	15.22	Open Market
Relational Investors VIII, L.P.	Sale	14,627	3/1/2011	$	15.22	Open Market
Relational Investors VIII, L.P.	Sale	30,621	3/1/2011	$	15.22	Open Market
Relational Investors IX, L.P.	Sale	9,383	3/1/2011	$	15.22	Open Market
Relational Investors IX, L.P.	Sale	4,021	3/1/2011	$	15.22	Open Market
Relational Investors X, L.P.	Sale	3,645	3/1/2011	$	15.22	Open Market
Relational Investors XV, L.P.	Sale	3,544	3/1/2011	$	15.22	Open Market
Relational Investors XVI, L.P.	Sale	4,703	3/1/2011	$	15.22	Open Market
Relational Investors XX, L.P.	Sale	2,837	3/1/2011	$	15.22	Open Market
Relational Investors XXII, L.P.	Sale	4,698	3/1/2011	$	15.22	Open Market
Relational Investors XXIII, L.P.	Sale	3,842	3/1/2011	$	15.22	Open Market
Relational Investors LLC	Sale	9,749	3/1/2011	$	15.22	Open Market
Relational Investors LLC	Sale	1,720	3/1/2011	$	15.22	Open Market
Relational Coast Partners, L.P.	Sale	1,776	3/1/2011	$	15.22	Open Market
Relational Coast Partners, L.P.	Sale	182	3/1/2011	$	15.22	Open Market
Relational Fund Partners, L.P.	Sale	469	3/1/2011	$	15.22	Open Market
Relational Fund Partners, L.P.	Sale	87	3/1/2011	$	15.22	Open Market
Relational Fund Partners, L.P.	Sale	11	3/1/2011	$	15.22	Open Market
Relational Fund Partners, L.P.	Sale	1	3/1/2011	$	15.22	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	2,188	3/1/2011	$	15.22	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	6,371	3/1/2011	$	15.22	Open Market
Relational Investors LLC	Sale	17,150	3/1/2011	$	15.22	Open Market
Relational Investors, L.P.	Sale	50,756	3/2/2011	$	15.19	Open Market
RH Fund 1, L.P.	Sale	9,165	3/2/2011	$	15.19	Open Market
RH Fund 1, L.P.	Sale	5,022	3/2/2011	$	15.19	Open Market
Relational Investors LLC	Sale	19,919	3/2/2011	$	15.19	Open Market
RH Fund 6, L.P.	Sale	5,450	3/2/2011	$	15.19	Open Market
RH Fund 6, L.P.	Sale	3,063	3/2/2011	$	15.19	Open Market
Relational Investors VIII, L.P.	Sale	14,627	3/2/2011	$	15.19	Open Market
Relational Investors VIII, L.P.	Sale	30,621	3/2/2011	$	15.19	Open Market
Relational Investors IX, L.P.	Sale	9,383	3/2/2011	$	15.19	Open Market
Relational Investors IX, L.P.	Sale	4,021	3/2/2011	$	15.19	Open Market
Relational Investors X, L.P.	Sale	3,645	3/2/2011	$	15.19	Open Market
Relational Investors XV, L.P.	Sale	3,544	3/2/2011	$	15.19	Open Market

Relational Investors XVI, L.P.	Sale	4,703	3/2/2011	$	15.19	Open Market
Relational Investors XX, L.P.	Sale	2,837	3/2/2011	$	15.19	Open Market
Relational Investors XXII, L.P.	Sale	4,698	3/2/2011	$	15.19	Open Market
Relational Investors XXIII, L.P.	Sale	3,842	3/2/2011	$	15.19	Open Market
Relational Investors LLC	Sale	9,749	3/2/2011	$	15.19	Open Market
Relational Investors LLC	Sale	1,720	3/2/2011	$	15.19	Open Market
Relational Coast Partners, L.P.	Sale	1,776	3/2/2011	$	15.19	Open Market
Relational Coast Partners, L.P.	Sale	182	3/2/2011	$	15.19	Open Market
Relational Fund Partners, L.P.	Sale	469	3/2/2011	$	15.19	Open Market
Relational Fund Partners, L.P.	Sale	87	3/2/2011	$	15.19	Open Market
Relational Fund Partners, L.P.	Sale	11	3/2/2011	$	15.19	Open Market
Relational Fund Partners, L.P.	Sale	1	3/2/2011	$	15.19	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	2,188	3/2/2011	$	15.19	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	6,371	3/2/2011	$	15.19	Open Market
Relational Investors LLC	Sale	17,150	3/2/2011	$	15.19	Open Market
Relational Investors, L.P.	Sale	50,756	3/3/2011	$	15.46	Open Market
RH Fund 1, L.P.	Sale	9,165	3/3/2011	$	15.46	Open Market
RH Fund 1, L.P.	Sale	5,022	3/3/2011	$	15.46	Open Market
Relational Investors LLC	Sale	19,919	3/3/2011	$	15.46	Open Market
RH Fund 6, L.P.	Sale	5,450	3/3/2011	$	15.46	Open Market
RH Fund 6, L.P.	Sale	3,063	3/3/2011	$	15.46	Open Market
Relational Investors VIII, L.P.	Sale	14,627	3/3/2011	$	15.46	Open Market
Relational Investors VIII, L.P.	Sale	30,621	3/3/2011	$	15.46	Open Market
Relational Investors IX, L.P.	Sale	9,383	3/3/2011	$	15.46	Open Market
Relational Investors IX, L.P.	Sale	4,021	3/3/2011	$	15.46	Open Market
Relational Investors X, L.P.	Sale	3,645	3/3/2011	$	15.46	Open Market
Relational Investors XV, L.P.	Sale	3,544	3/3/2011	$	15.46	Open Market
Relational Investors XVI, L.P.	Sale	4,703	3/3/2011	$	15.46	Open Market
Relational Investors XX, L.P.	Sale	2,837	3/3/2011	$	15.46	Open Market
Relational Investors XXII, L.P.	Sale	4,698	3/3/2011	$	15.46	Open Market
Relational Investors XXIII, L.P.	Sale	3,842	3/3/2011	$	15.46	Open Market
Relational Investors LLC	Sale	9,749	3/3/2011	$	15.46	Open Market
Relational Investors LLC	Sale	1,720	3/3/2011	$	15.46	Open Market
Relational Coast Partners, L.P.	Sale	1,776	3/3/2011	$	15.46	Open Market

Relational Coast Partners, L.P.	Sale	182	3/3/2011	$	15.46	Open Market
Relational Fund Partners, L.P.	Sale	469	3/3/2011	$	15.46	Open Market
Relational Fund Partners, L.P.	Sale	87	3/3/2011	$	15.46	Open Market
Relational Fund Partners, L.P.	Sale	11	3/3/2011	$	15.46	Open Market
Relational Fund Partners, L.P.	Sale	1	3/3/2011	$	15.46	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	2,188	3/3/2011	$	15.46	Open Market
Relational Investors Alpha Fund I, L.P.	Sale	6,371	3/3/2011	$	15.46	Open Market
Relational Investors LLC	Sale	17,150	3/3/2011	$	15.46	Open Market