EX-99.A 2 a13-5639_1ex99da.htm EXHIBIT A

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 Mid-Cap Fund I, L.P.

 

Purchase

 

9,525

 

12/24/2012

 

$

66.47

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

28,391

 

12/24/2012

 

$

67.09

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

4,213

 

12/24/2012

 

$

66.47

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

12,559

 

12/24/2012

 

$

67.09

 

Open Market

 

Relational Investors LLC

 

Purchase

 

1,593

 

12/24/2012

 

$

66.47

 

Open Market

 

Relational Investors LLC

 

Purchase

 

4,750

 

12/24/2012

 

$

67.09

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

31,062

 

12/26/2012

 

$

67.80

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

4,506

 

12/26/2012

 

$

67.38

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

109,437

 

12/26/2012

 

$

67.77

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

13,741

 

12/26/2012

 

$

67.80

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

1,992

 

12/26/2012

 

$

67.38

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

48,415

 

12/26/2012

 

$

67.77

 

Open Market

 

Relational Investors LLC

 

Purchase

 

5,197

 

12/26/2012

 

$

67.80

 

Open Market

 

Relational Investors LLC

 

Purchase

 

753

 

12/26/2012

 

$

67.38

 

Open Market

 

Relational Investors LLC

 

Purchase

 

18,314

 

12/26/2012

 

$

67.77

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

73,529

 

12/27/2012

 

$

67.86

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

32,529

 

12/27/2012

 

$

67.86

 

Open Market

 

Relational Investors LLC

 

Purchase

 

12,305

 

12/27/2012

 

$

67.86

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

436

 

12/28/2012

 

$

68.01

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

192

 

12/28/2012

 

$

68.01

 

Open Market

 

Relational Investors LLC

 

Purchase

 

72

 

12/28/2012

 

$

68.01

 

Open Market

 

Relational Investors LLC

 

Purchase

 

9,973

 

1/9/2013

 

$

69.80

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

31

 

1/9/2013

 

$

69.80

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

7,773

 

1/9/2013

 

$

69.80

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

765

 

1/9/2013

 

$

69.80

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

14,804

 

1/9/2013

 

$

69.80

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

57,305

 

1/9/2013

 

$

69.80

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

56,215

 

1/9/2013

 

$

69.80

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

7,476

 

1/9/2013

 

$

69.80

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

6,362

 

1/9/2013

 

$

69.80

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

8,721

 

1/9/2013

 

$

69.80

 

Open Market

 

Relational Investors LLC

 

Purchase

 

23,044

 

1/9/2013

 

$

69.80

 

Open Market

 

Relational Investors LLC

 

Purchase

 

7,773

 

1/10/2013

 

$

69.80

 

Open Market

 

Relational Investors LLC

 

Purchase

 

5,182

 

1/10/2013

 

$

69.75

 

Open Market

 

 


 

Relational Coast Partners, L.P.

 

Purchase

 

24

 

1/10/2013

 

$

69.80

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

16

 

1/10/2013

 

$

69.75

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

6,058

 

1/10/2013

 

$

69.80

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

4,038

 

1/10/2013

 

$

69.75

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

595

 

1/10/2013

 

$

69.80

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

396

 

1/10/2013

 

$

69.75

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

8,076

 

1/10/2013

 

$

69.80

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

3,461

 

1/10/2013

 

$

69.80

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

5,384

 

1/10/2013

 

$

69.75

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

2,307

 

1/10/2013

 

$

69.75

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

44,662

 

1/10/2013

 

$

69.80

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

29,777

 

1/10/2013

 

$

69.75

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

43,811

 

1/10/2013

 

$

69.80

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

29,207

 

1/10/2013

 

$

69.75

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

5,826

 

1/10/2013

 

$

69.80

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

3,884

 

1/10/2013

 

$

69.75

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

4,958

 

1/10/2013

 

$

69.80

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

3,305

 

1/10/2013

 

$

69.75

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

6,797

 

1/10/2013

 

$

69.80

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

4,531

 

1/10/2013

 

$

69.75

 

Open Market

 

Relational Investors LLC

 

Purchase

 

17,959

 

1/10/2013

 

$

69.80

 

Open Market

 

Relational Investors LLC

 

Purchase

 

11,973

 

1/10/2013

 

$

69.75

 

Open Market

 

Relational Investors LLC

 

Purchase

 

2,539

 

1/11/2013

 

$

69.85

 

Open Market

 

Relational Investors LLC

 

Purchase

 

1,178

 

1/11/2013

 

$

69.74

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

8

 

1/11/2013

 

$

69.85

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

3

 

1/11/2013

 

$

69.74

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

1,979

 

1/11/2013

 

$

69.85

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

918

 

1/11/2013

 

$

69.74

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

194

 

1/11/2013

 

$

69.85

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

90

 

1/11/2013

 

$

69.74

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

2,638

 

1/11/2013

 

$

69.85

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

1,131

 

1/11/2013

 

$

69.85

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

1,749

 

1/11/2013

 

$

69.74

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

14,591

 

1/11/2013

 

$

69.85

 

Open Market

 

 


 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

6,776

 

1/11/2013

 

$

69.74

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

14,311

 

1/11/2013

 

$

69.85

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

6,643

 

1/11/2013

 

$

69.74

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

1,903

 

1/11/2013

 

$

69.85

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

883

 

1/11/2013

 

$

69.74

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

1,620

 

1/11/2013

 

$

69.85

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

752

 

1/11/2013

 

$

69.74

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

2,220

 

1/11/2013

 

$

69.85

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

1,030

 

1/11/2013

 

$

69.74

 

Open Market

 

Relational Investors LLC

 

Purchase

 

5,866

 

1/11/2013

 

$

69.85

 

Open Market

 

Relational Investors LLC

 

Purchase

 

2,723

 

1/11/2013

 

$

69.74

 

Open Market

 

Relational Investors LLC

 

Purchase

 

7,773

 

1/14/2013

 

$

69.69

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

24

 

1/14/2013

 

$

69.69

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

6,059

 

1/14/2013

 

$

69.69

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

597

 

1/14/2013

 

$

69.69

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

11,538

 

1/14/2013

 

$

69.69

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

44,654

 

1/14/2013

 

$

69.69

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

43,812

 

1/14/2013

 

$

69.69

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

5,827

 

1/14/2013

 

$

69.69

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

4,959

 

1/14/2013

 

$

69.69

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

6,797

 

1/14/2013

 

$

69.69

 

Open Market

 

Relational Investors LLC

 

Purchase

 

17,960

 

1/14/2013

 

$

69.69

 

Open Market

 

Relational Investors LLC

 

Purchase

 

5,182

 

1/15/2013

 

$

69.59

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

16

 

1/15/2013

 

$

69.59

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

4,039

 

1/15/2013

 

$

69.59

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

398

 

1/15/2013

 

$

69.59

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

7,692

 

1/15/2013

 

$

69.59

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

29,769

 

1/15/2013

 

$

69.59

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

29,208

 

1/15/2013

 

$

69.59

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

3,885

 

1/15/2013

 

$

69.59

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

3,306

 

1/15/2013

 

$

69.59

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

4,532

 

1/15/2013

 

$

69.59

 

Open Market

 

Relational Investors LLC

 

Purchase

 

11,973

 

1/15/2013

 

$

69.59

 

Open Market

 

Relational Investors LLC

 

Purchase

 

5,183

 

1/16/2013

 

$

69.86

 

Open Market

 

 


 

Relational Coast Partners, L.P.

 

Purchase

 

17

 

1/16/2013

 

$

69.86

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

4,039

 

1/16/2013

 

$

69.86

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

399

 

1/16/2013

 

$

69.86

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

5,384

 

1/16/2013

 

$

69.86

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

2,308

 

1/16/2013

 

$

69.86

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

29,765

 

1/16/2013

 

$

69.86

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

29,208

 

1/16/2013

 

$

69.86

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

3,885

 

1/16/2013

 

$

69.86

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

3,306

 

1/16/2013

 

$

69.86

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

4,532

 

1/16/2013

 

$

69.86

 

Open Market

 

Relational Investors LLC

 

Purchase

 

11,974

 

1/16/2013

 

$

69.86

 

Open Market

 

Relational Investors LLC

 

Purchase

 

5,659

 

1/17/2013

 

$

70.78

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

19

 

1/17/2013

 

$

70.78

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

4,411

 

1/17/2013

 

$

70.78

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

439

 

1/17/2013

 

$

70.78

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

5,880

 

1/17/2013

 

$

70.78

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

2,520

 

1/17/2013

 

$

70.78

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

32,486

 

1/17/2013

 

$

70.78

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

31,890

 

1/17/2013

 

$

70.78

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

4,242

 

1/17/2013

 

$

70.78

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

3,611

 

1/17/2013

 

$

70.78

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

4,948

 

1/17/2013

 

$

70.78

 

Open Market

 

Relational Investors LLC

 

Purchase

 

13,074

 

1/17/2013

 

$

70.78

 

Open Market

 

Relational Investors LLC

 

Purchase

 

760

 

1/18/2013

 

$

71.18

 

Open Market

 

Relational Investors LLC

 

Purchase

 

426

 

1/18/2013

 

$

71.05

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

2

 

1/18/2013

 

$

71.18

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

1

 

1/18/2013

 

$

71.05

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

1,694

 

1/18/2013

 

$

71.18

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

949

 

1/18/2013

 

$

71.05

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

65

 

1/18/2013

 

$

71.18

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

36

 

1/18/2013

 

$

71.05

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

1,203

 

1/18/2013

 

$

71.18

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

674

 

1/18/2013

 

$

71.05

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

18,230

 

1/18/2013

 

$

71.18

 

Open Market

 

 


 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

10,215

 

1/18/2013

 

$

71.05

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

15,074

 

1/18/2013

 

$

71.18

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

8,445

 

1/18/2013

 

$

71.05

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

667

 

1/18/2013

 

$

71.18

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

373

 

1/18/2013

 

$

71.05

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

533

 

1/18/2013

 

$

71.18

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

298

 

1/18/2013

 

$

71.05

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

814

 

1/18/2013

 

$

71.18

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

456

 

1/18/2013

 

$

71.05

 

Open Market

 

Relational Investors LLC

 

Purchase

 

100

 

1/18/2013

 

$

71.73

 

Open Market

 

Relational Investors LLC

 

Purchase

 

5,071

 

1/18/2013

 

$

71.18

 

Open Market

 

Relational Investors LLC

 

Purchase

 

2,841

 

1/18/2013

 

$

71.05

 

Open Market

 

Relational Investors LLC

 

Purchase

 

443

 

1/22/2013

 

$

71.45

 

Open Market

 

Relational Investors LLC

 

Purchase

 

357

 

1/22/2013

 

$

72.24

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

1

 

1/22/2013

 

$

71.45

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

1

 

1/22/2013

 

$

72.25

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

987

 

1/22/2013

 

$

71.45

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

795

 

1/22/2013

 

$

72.24

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

37

 

1/22/2013

 

$

71.45

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

30

 

1/22/2013

 

$

72.24

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

701

 

1/22/2013

 

$

71.45

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

395

 

1/22/2013

 

$

72.24

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

169

 

1/22/2013

 

$

72.24

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

10,632

 

1/22/2013

 

$

71.45

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

8,556

 

1/22/2013

 

$

72.24

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

8,788

 

1/22/2013

 

$

71.45

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

7,073

 

1/22/2013

 

$

72.24

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

389

 

1/22/2013

 

$

71.45

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

313

 

1/22/2013

 

$

72.24

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

311

 

1/22/2013

 

$

71.45

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

250

 

1/22/2013

 

$

72.24

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

474

 

1/22/2013

 

$

71.45

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

382

 

1/22/2013

 

$

72.24

 

Open Market

 

Relational Investors LLC

 

Purchase

 

2,956

 

1/22/2013

 

$

71.45

 

Open Market

 

 


 

Relational Investors LLC

 

Purchase

 

2,379

 

1/22/2013

 

$

72.24

 

Open Market

 

Relational Investors LLC

 

Purchase

 

431

 

1/23/2013

 

$

72.49

 

Open Market

 

Relational Investors LLC

 

Purchase

 

1,476

 

1/23/2013

 

$

72.48

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

1

 

1/23/2013

 

$

72.49

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

4

 

1/23/2013

 

$

72.48

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

960

 

1/23/2013

 

$

72.49

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

3,288

 

1/23/2013

 

$

72.48

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

36

 

1/23/2013

 

$

72.49

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

129

 

1/23/2013

 

$

72.48

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

681

 

1/23/2013

 

$

72.49

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

2,335

 

1/23/2013

 

$

72.48

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

10,333

 

1/23/2013

 

$

72.49

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

35,371

 

1/23/2013

 

$

72.48

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

8,543

 

1/23/2013

 

$

72.49

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

29,255

 

1/23/2013

 

$

72.48

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

378

 

1/23/2013

 

$

72.49

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

1,295

 

1/23/2013

 

$

72.48

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

302

 

1/23/2013

 

$

72.49

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

1,035

 

1/23/2013

 

$

72.48

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

461

 

1/23/2013

 

$

72.49

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

1,581

 

1/23/2013

 

$

72.48

 

Open Market

 

Relational Investors LLC

 

Purchase

 

2,874

 

1/23/2013

 

$

72.49

 

Open Market

 

Relational Investors LLC

 

Purchase

 

9,842

 

1/23/2013

 

$

72.48

 

Open Market

 

Relational Investors LLC

 

Purchase

 

1,390

 

1/28/2013

 

$

74.45

 

Open Market

 

Relational Investors LLC

 

Purchase

 

156

 

1/28/2013

 

$

74.31

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

4

 

1/28/2013

 

$

74.45

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

3,096

 

1/28/2013

 

$

74.45

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

349

 

1/28/2013

 

$

74.31

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

121

 

1/28/2013

 

$

74.45

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

13

 

1/28/2013

 

$

74.31

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

2,199

 

1/28/2013

 

$

74.45

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

248

 

1/28/2013

 

$

74.31

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

33,305

 

1/28/2013

 

$

74.45

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

3,764

 

1/28/2013

 

$

74.31

 

Open Market

 

 


 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

27,547

 

1/28/2013

 

$

74.45

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

3,109

 

1/28/2013

 

$

74.31

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

1,220

 

1/28/2013

 

$

74.45

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

137

 

1/28/2013

 

$

74.31

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

975

 

1/28/2013

 

$

74.45

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

110

 

1/28/2013

 

$

74.31

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

1,488

 

1/28/2013

 

$

74.45

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

168

 

1/28/2013

 

$

74.31

 

Open Market

 

Relational Investors LLC

 

Purchase

 

9,267

 

1/28/2013

 

$

74.45

 

Open Market

 

Relational Investors LLC

 

Purchase

 

1,046

 

1/28/2013

 

$

74.31

 

Open Market

 

Relational Investors LLC

 

Purchase

 

229

 

1/29/2013

 

$

74.66

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

510

 

1/29/2013

 

$

74.66

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

19

 

1/29/2013

 

$

74.66

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

253

 

1/29/2013

 

$

74.66

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

109

 

1/29/2013

 

$

74.66

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

5,500

 

1/29/2013

 

$

74.66

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

4,545

 

1/29/2013

 

$

74.66

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

201

 

1/29/2013

 

$

74.66

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

160

 

1/29/2013

 

$

74.66

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

245

 

1/29/2013

 

$

74.66

 

Open Market

 

Relational Investors LLC

 

Purchase

 

1,529

 

1/29/2013

 

$

74.66

 

Open Market

 

Relational Investors LLC

 

Purchase

 

936

 

1/30/2013

 

$

74.96

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

2

 

1/30/2013

 

$

74.96

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

2,085

 

1/30/2013

 

$

74.96

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

81

 

1/30/2013

 

$

74.96

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

1,481

 

1/30/2013

 

$

74.96

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

22,432

 

1/30/2013

 

$

74.96

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

18,552

 

1/30/2013

 

$

74.96

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

821

 

1/30/2013

 

$

74.96

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

657

 

1/30/2013

 

$

74.96

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

1,002

 

1/30/2013

 

$

74.96

 

Open Market

 

Relational Investors LLC

 

Purchase

 

6,241

 

1/30/2013

 

$

74.96

 

Open Market

 

Relational Investors LLC

 

Purchase

 

1,725

 

1/31/2013

 

$

74.67

 

Open Market

 

Relational Investors LLC

 

Purchase

 

862

 

1/31/2013

 

$

74.72

 

Open Market

 

 

 


 

Relational Coast Partners, L.P.

 

Purchase

 

5

 

1/31/2013

 

$

74.67

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

2

 

1/31/2013

 

$

74.73

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

3,841

 

1/31/2013

 

$

74.67

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

1,920

 

1/31/2013

 

$

74.72

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

152

 

1/31/2013

 

$

74.67

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

75

 

1/31/2013

 

$

74.72

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

1,910

 

1/31/2013

 

$

74.67

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

818

 

1/31/2013

 

$

74.67

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

1,364

 

1/31/2013

 

$

74.72

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

41,310

 

1/31/2013

 

$

74.67

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

20,659

 

1/31/2013

 

$

74.72

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

34,173

 

1/31/2013

 

$

74.67

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

17,086

 

1/31/2013

 

$

74.72

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

1,513

 

1/31/2013

 

$

74.67

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

756

 

1/31/2013

 

$

74.72

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

1,210

 

1/31/2013

 

$

74.67

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

605

 

1/31/2013

 

$

74.72

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

1,847

 

1/31/2013

 

$

74.67

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

923

 

1/31/2013

 

$

74.72

 

Open Market

 

Relational Investors LLC

 

Purchase

 

11,496

 

1/31/2013

 

$

74.67

 

Open Market

 

Relational Investors LLC

 

Purchase

 

5,748

 

1/31/2013

 

$

74.72

 

Open Market

 

Relational Investors LLC

 

Purchase

 

197

 

2/1/2013

 

$

75.00

 

Open Market

 

Relational Investors LLC

 

Purchase

 

589

 

2/1/2013

 

$

74.99

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

1

 

2/1/2013

 

$

74.99

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

440

 

2/1/2013

 

$

75.00

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

1,312

 

2/1/2013

 

$

74.99

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

17

 

2/1/2013

 

$

75.00

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

51

 

2/1/2013

 

$

74.99

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

312

 

2/1/2013

 

$

75.00

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

931

 

2/1/2013

 

$

74.99

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

4,742

 

2/1/2013

 

$

75.00

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

14,114

 

2/1/2013

 

$

74.99

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

3,917

 

2/1/2013

 

$

75.00

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

11,671

 

2/1/2013

 

$

74.99

 

Open Market

 

 


 

Relational Investors XV, L.P.

 

Purchase

 

173

 

2/1/2013

 

$

75.00

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

517

 

2/1/2013

 

$

74.99

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

138

 

2/1/2013

 

$

75.00

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

413

 

2/1/2013

 

$

74.99

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

211

 

2/1/2013

 

$

75.00

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

630

 

2/1/2013

 

$

74.99

 

Open Market

 

Relational Investors LLC

 

Purchase

 

1,317

 

2/1/2013

 

$

75.00

 

Open Market

 

Relational Investors LLC

 

Purchase

 

3,926

 

2/1/2013

 

$

74.99

 

Open Market

 

Relational Investors LLC

 

Purchase

 

625

 

2/4/2013

 

$

74.87

 

Open Market

 

Relational Investors LLC

 

Purchase

 

1,725

 

2/4/2013

 

$

74.89

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

2

 

2/4/2013

 

$

74.87

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

6

 

2/4/2013

 

$

74.89

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

1,393

 

2/4/2013

 

$

74.87

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

3,842

 

2/4/2013

 

$

74.89

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

54

 

2/4/2013

 

$

74.87

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

153

 

2/4/2013

 

$

74.89

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

989

 

2/4/2013

 

$

74.87

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

1,910

 

2/4/2013

 

$

74.89

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

818

 

2/4/2013

 

$

74.89

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

14,981

 

2/4/2013

 

$

74.87

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

41,306

 

2/4/2013

 

$

74.89

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

12,391

 

2/4/2013

 

$

74.87

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

34,173

 

2/4/2013

 

$

74.89

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

549

 

2/4/2013

 

$

74.87

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

1,514

 

2/4/2013

 

$

74.89

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

438

 

2/4/2013

 

$

74.87

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

1,210

 

2/4/2013

 

$

74.89

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

670

 

2/4/2013

 

$

74.87

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

1,847

 

2/4/2013

 

$

74.89

 

Open Market

 

Relational Investors LLC

 

Purchase

 

4,168

 

2/4/2013

 

$

74.87

 

Open Market

 

Relational Investors LLC

 

Purchase

 

11,496

 

2/4/2013

 

$

74.89

 

Open Market

 

Relational Investors LLC

 

Purchase

 

914

 

2/5/2013

 

$

74.96

 

Open Market

 

Relational Investors LLC

 

Purchase

 

98

 

2/5/2013

 

$

74.94

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

3

 

2/5/2013

 

$

74.96

 

Open Market

 

 


 

Relational Coast Partners, L.P.

 

Purchase

 

2,036

 

2/5/2013

 

$

74.96

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

218

 

2/5/2013

 

$

74.94

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

80

 

2/5/2013

 

$

74.96

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

8

 

2/5/2013

 

$

74.94

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

1,012

 

2/5/2013

 

$

74.96

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

434

 

2/5/2013

 

$

74.96

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

155

 

2/5/2013

 

$

74.94

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

21,894

 

2/5/2013

 

$

74.96

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

2,358

 

2/5/2013

 

$

74.94

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

18,112

 

2/5/2013

 

$

74.96

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

1,947

 

2/5/2013

 

$

74.94

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

802

 

2/5/2013

 

$

74.96

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

86

 

2/5/2013

 

$

74.94

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

641

 

2/5/2013

 

$

74.96

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

68

 

2/5/2013

 

$

74.94

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

979

 

2/5/2013

 

$

74.96

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

105

 

2/5/2013

 

$

74.94

 

Open Market

 

Relational Investors LLC

 

Purchase

 

6,093

 

2/5/2013

 

$

74.96

 

Open Market

 

Relational Investors LLC

 

Purchase

 

655

 

2/5/2013

 

$

74.94

 

Open Market

 

Relational Investors LLC

 

Purchase

 

99

 

2/6/2013

 

$

75.00

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

222

 

2/6/2013

 

$

75.00

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

8

 

2/6/2013

 

$

75.00

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

158

 

2/6/2013

 

$

75.00

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

2,397

 

2/6/2013

 

$

75.00

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

1,979

 

2/6/2013

 

$

75.00

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

87

 

2/6/2013

 

$

75.00

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

70

 

2/6/2013

 

$

75.00

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

107

 

2/6/2013

 

$

75.00

 

Open Market

 

Relational Investors LLC

 

Purchase

 

666

 

2/6/2013

 

$

75.00

 

Open Market

 

Relational Investors LLC

 

Purchase

 

1,578

 

2/7/2013

 

$

75.00

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

5

 

2/7/2013

 

$

75.00

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

3,513

 

2/7/2013

 

$

75.00

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

140

 

2/7/2013

 

$

75.00

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

2,495

 

2/7/2013

 

$

75.00

 

Open Market

 

 


 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

37,765

 

2/7/2013

 

$

75.00

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

31,247

 

2/7/2013

 

$

75.00

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

1,385

 

2/7/2013

 

$

75.00

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

1,107

 

2/7/2013

 

$

75.00

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

1,689

 

2/7/2013

 

$

75.00

 

Open Market

 

Relational Investors LLC

 

Purchase

 

10,512

 

2/7/2013

 

$

75.00

 

Open Market

 

Relational Investors LLC

 

Purchase

 

517

 

2/8/2013

 

$

75.75

 

Open Market

 

Relational Investors LLC

 

Purchase

 

892

 

2/8/2013

 

$

75.74

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

2

 

2/8/2013

 

$

75.75

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

3

 

2/8/2013

 

$

75.74

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

1,151

 

2/8/2013

 

$

75.75

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

1,987

 

2/8/2013

 

$

75.74

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

45

 

2/8/2013

 

$

75.75

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

79

 

2/8/2013

 

$

75.74

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

572

 

2/8/2013

 

$

75.75

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

245

 

2/8/2013

 

$

75.75

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

988

 

2/8/2013

 

$

75.74

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

423

 

2/8/2013

 

$

75.74

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

12,377

 

2/8/2013

 

$

75.75

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

21,352

 

2/8/2013

 

$

75.74

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

10,238

 

2/8/2013

 

$

75.75

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

17,668

 

2/8/2013

 

$

75.74

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

453

 

2/8/2013

 

$

75.75

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

783

 

2/8/2013

 

$

75.74

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

362

 

2/8/2013

 

$

75.75

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

626

 

2/8/2013

 

$

75.74

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

553

 

2/8/2013

 

$

75.75

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

955

 

2/8/2013

 

$

75.74

 

Open Market

 

Relational Investors LLC

 

Purchase

 

3,444

 

2/8/2013

 

$

75.75

 

Open Market

 

Relational Investors LLC

 

Purchase

 

5,944

 

2/8/2013

 

$

75.74

 

Open Market

 

Relational Investors LLC

 

Purchase

 

2,287

 

2/11/2013

 

$

75.71

 

Open Market

 

Relational Investors LLC

 

Purchase

 

259

 

2/11/2013

 

$

75.61

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

9

 

2/11/2013

 

$

75.71

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

2

 

2/11/2013

 

$

75.62

 

Open Market

 

 


 

Relational Coast Partners, L.P.

 

Purchase

 

5,089

 

2/11/2013

 

$

75.71

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

576

 

2/11/2013

 

$

75.61

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

208

 

2/11/2013

 

$

75.71

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

25

 

2/11/2013

 

$

75.61

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

2,530

 

2/11/2013

 

$

75.71

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

1,085

 

2/11/2013

 

$

75.71

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

409

 

2/11/2013

 

$

75.61

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

54,645

 

2/11/2013

 

$

75.71

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

6,192

 

2/11/2013

 

$

75.61

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

45,241

 

2/11/2013

 

$

75.71

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

5,126

 

2/11/2013

 

$

75.61

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

2,006

 

2/11/2013

 

$

75.71

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

228

 

2/11/2013

 

$

75.61

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

1,605

 

2/11/2013

 

$

75.71

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

182

 

2/11/2013

 

$

75.61

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

2,449

 

2/11/2013

 

$

75.71

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

277

 

2/11/2013

 

$

75.61

 

Open Market

 

Relational Investors LLC

 

Purchase

 

15,222

 

2/11/2013

 

$

75.71

 

Open Market

 

Relational Investors LLC

 

Purchase

 

1,724

 

2/11/2013

 

$

75.61

 

Open Market

 

Relational Investors LLC

 

Purchase

 

1,908

 

2/13/2013

 

$

76.65

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

8

 

2/13/2013

 

$

76.65

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

3,420

 

2/13/2013

 

$

76.65

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

147

 

2/13/2013

 

$

76.65

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

2,010

 

2/13/2013

 

$

76.65

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

861

 

2/13/2013

 

$

76.65

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

5,998

 

2/13/2013

 

$

76.65

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

4,127

 

2/13/2013

 

$

76.65

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

1,626

 

2/13/2013

 

$

76.65

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

1,383

 

2/13/2013

 

$

76.65

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

1,963

 

2/13/2013

 

$

76.65

 

Open Market

 

Relational Investors LLC

 

Purchase

 

11,549

 

2/13/2013

 

$

76.65

 

Open Market

 

Relational Investors LLC

 

Purchase

 

14,822

 

2/14/2013

 

$

78.00

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

67

 

2/14/2013

 

$

78.00

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

26,569

 

2/14/2013

 

$

78.00

 

Open Market

 

 


 

Relational Fund Partners, L.P.

 

Purchase

 

1,153

 

2/14/2013

 

$

78.00

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

22,308

 

2/14/2013

 

$

78.00

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

46,601

 

2/14/2013

 

$

78.00

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

32,066

 

2/14/2013

 

$

78.00

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

12,634

 

2/14/2013

 

$

78.00

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

10,747

 

2/14/2013

 

$

78.00

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

15,253

 

2/14/2013

 

$

78.00

 

Open Market

 

Relational Investors LLC

 

Purchase

 

89,681

 

2/14/2013

 

$

78.00

 

Open Market

 

Relational Investors LLC

 

Purchase

 

2,491

 

2/15/2013

 

$

78.68

 

Open Market

 

Relational Investors LLC

 

Purchase

 

78

 

2/15/2013

 

$

79.01

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

11

 

2/15/2013

 

$

78.68

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

4,465

 

2/15/2013

 

$

78.68

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

140

 

2/15/2013

 

$

79.01

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

193

 

2/15/2013

 

$

78.68

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

5

 

2/15/2013

 

$

79.01

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

2,624

 

2/15/2013

 

$

78.68

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

1,125

 

2/15/2013

 

$

78.68

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

118

 

2/15/2013

 

$

79.01

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

7,832

 

2/15/2013

 

$

78.68

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

246

 

2/15/2013

 

$

79.01

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

5,389

 

2/15/2013

 

$

78.68

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

169

 

2/15/2013

 

$

79.01

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

2,123

 

2/15/2013

 

$

78.68

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

66

 

2/15/2013

 

$

79.01

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

1,806

 

2/15/2013

 

$

78.68

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

56

 

2/15/2013

 

$

79.01

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

2,563

 

2/15/2013

 

$

78.68

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

80

 

2/15/2013

 

$

79.01

 

Open Market

 

Relational Investors LLC

 

Purchase

 

15,078

 

2/15/2013

 

$

78.68

 

Open Market

 

Relational Investors LLC

 

Purchase

 

481

 

2/15/2013

 

$

79.01

 

Open Market

 

Relational Investors LLC

 

Purchase

 

1,785

 

2/19/2013

 

$

79.31

 

Open Market

 

Relational Investors LLC

 

Purchase

 

2,290

 

2/19/2013

 

$

79.77

 

Open Market

 

Relational Investors LLC

 

Purchase

 

4,251

 

2/19/2013

 

$

80.01

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

5,613

 

2/19/2013

 

$

79.31

 

Open Market

 

 


 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

7,201

 

2/19/2013

 

$

79.77

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

13,365

 

2/19/2013

 

$

80.01

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

3,862

 

2/19/2013

 

$

79.31

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

4,955

 

2/19/2013

 

$

79.77

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

9,196

 

2/19/2013

 

$

80.01

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

3,208

 

2/19/2013

 

$

79.31

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

4,116

 

2/19/2013

 

$

79.77

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

7,639

 

2/19/2013

 

$

80.01

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

138

 

2/19/2013

 

$

79.31

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

177

 

2/19/2013

 

$

79.77

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

330

 

2/19/2013

 

$

80.01

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

1,521

 

2/19/2013

 

$

79.31

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

1,952

 

2/19/2013

 

$

79.77

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

3,623

 

2/19/2013

 

$

80.01

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

1,294

 

2/19/2013

 

$

79.31

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

1,660

 

2/19/2013

 

$

79.77

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

3,082

 

2/19/2013

 

$

80.01

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

1,837

 

2/19/2013

 

$

79.31

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

2,357

 

2/19/2013

 

$

79.77

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

4,374

 

2/19/2013

 

$

80.01

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

1,881

 

2/19/2013

 

$

79.31

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

806

 

2/19/2013

 

$

79.31

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

3,447

 

2/19/2013

 

$

79.77

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

6,398

 

2/19/2013

 

$

80.01

 

Open Market

 

Relational Investors LLC

 

Purchase

 

10,805

 

2/19/2013

 

$

79.31

 

Open Market

 

Relational Investors LLC

 

Purchase

 

13,862

 

2/19/2013

 

$

79.77

 

Open Market

 

Relational Investors LLC

 

Purchase

 

25,723

 

2/19/2013

 

$

80.01

 

Open Market

 

 


 

Relational Investors LLC

 

Purchase

 

2,834

 

2/20/2013

 

$

79.95

 

Open Market

 

Relational Investors LLC

 

Purchase

 

2,725

 

2/20/2013

 

$

79.91

 

Open Market

 

Relational Investors LLC

 

Purchase

 

24,096

 

2/20/2013

 

$

79.85

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

8,912

 

2/20/2013

 

$

79.95

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

8,569

 

2/20/2013

 

$

79.91

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

75,755

 

2/20/2013

 

$

79.85

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

6,132

 

2/20/2013

 

$

79.95

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

5,896

 

2/20/2013

 

$

79.91

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

52,128

 

2/20/2013

 

$

79.85

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

5,094

 

2/20/2013

 

$

79.95

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

4,898

 

2/20/2013

 

$

79.91

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

43,304

 

2/20/2013

 

$

79.85

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

219

 

2/20/2013

 

$

79.95

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

211

 

2/20/2013

 

$

79.91

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

1,878

 

2/20/2013

 

$

79.85

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

2,416

 

2/20/2013

 

$

79.95

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

2,323

 

2/20/2013

 

$

79.91

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

20,541

 

2/20/2013

 

$

79.85

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

2,055

 

2/20/2013

 

$

79.95

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

1,976

 

2/20/2013

 

$

79.91

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

17,472

 

2/20/2013

 

$

79.85

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

2,917

 

2/20/2013

 

$

79.95

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

2,805

 

2/20/2013

 

$

79.91

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

24,796

 

2/20/2013

 

$

79.85

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

2,986

 

2/20/2013

 

$

79.95

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

1,280

 

2/20/2013

 

$

79.95

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

4,102

 

2/20/2013

 

$

79.91

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

25,385

 

2/20/2013

 

$

79.85

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

10,880

 

2/20/2013

 

$

79.85

 

Open Market

 

Relational Investors LLC

 

Purchase

 

17,155

 

2/20/2013

 

$

79.95

 

Open Market

 

Relational Investors LLC

 

Purchase

 

16,495

 

2/20/2013

 

$

79.91

 

Open Market

 

Relational Investors LLC

 

Purchase

 

145,765

 

2/20/2013

 

$

79.85

 

Open Market

 

Relational Investors LLC

 

Purchase

 

5,670

 

2/21/2013

 

$

79.09

 

Open Market

 

Relational Investors LLC

 

Purchase

 

3,752

 

2/21/2013

 

$

78.97

 

Open Market

 

Relational Investors LLC

 

Purchase

 

15,071

 

2/21/2013

 

$

79.03

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

17,825

 

2/21/2013

 

$

79.09

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

11,795

 

2/21/2013

 

$

78.97

 

Open Market

 

 


 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

47,374

 

2/21/2013

 

$

79.03

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

12,267

 

2/21/2013

 

$

79.09

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

8,116

 

2/21/2013

 

$

78.97

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

32,598

 

2/21/2013

 

$

79.03

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

10,189

 

2/21/2013

 

$

79.09

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

6,744

 

2/21/2013

 

$

78.97

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

27,079

 

2/21/2013

 

$

79.03

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

442

 

2/21/2013

 

$

79.09

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

294

 

2/21/2013

 

$

78.97

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

1,178

 

2/21/2013

 

$

79.03

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

4,833

 

2/21/2013

 

$

79.09

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

3,200

 

2/21/2013

 

$

78.97

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

12,845

 

2/21/2013

 

$

79.03

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

4,111

 

2/21/2013

 

$

79.09

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

2,720

 

2/21/2013

 

$

78.97

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

10,928

 

2/21/2013

 

$

79.03

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

5,836

 

2/21/2013

 

$

79.09

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

3,860

 

2/21/2013

 

$

78.97

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

15,506

 

2/21/2013

 

$

79.03

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

5,973

 

2/21/2013

 

$

79.09

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

2,560

 

2/21/2013

 

$

79.09

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

5,646

 

2/21/2013

 

$

78.97

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

15,875

 

2/21/2013

 

$

79.03

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

6,804

 

2/21/2013

 

$

79.03

 

Open Market

 

Relational Investors LLC

 

Purchase

 

34,294

 

2/21/2013

 

$

79.09

 

Open Market

 

Relational Investors LLC

 

Purchase

 

22,691

 

2/21/2013

 

$

78.97

 

Open Market

 

Relational Investors LLC

 

Purchase

 

91,136

 

2/21/2013

 

$

79.03

 

Open Market

 

Relational Investors LLC

 

Purchase

 

5,196

 

2/22/2013

 

$

79.98

 

Open Market

 

Relational Investors LLC

 

Purchase

 

1,399

 

2/22/2013

 

$

79.97

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

6,384

 

2/22/2013

 

$

79.98

 

Open Market

 

Relational Coast Partners, L.P.

 

Purchase

 

1,719

 

2/22/2013

 

$

79.97

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

416

 

2/22/2013

 

$

79.98

 

Open Market

 

Relational Fund Partners, L.P.

 

Purchase

 

111

 

2/22/2013

 

$

79.97

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

7,834

 

2/22/2013

 

$

79.98

 

Open Market

 

Relational Investors IX, L.P.

 

Purchase

 

2,109

 

2/22/2013

 

$

79.97

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

26,398

 

2/22/2013

 

$

79.98

 

Open Market

 

Relational Investors Mid-Cap Fund I, L.P.

 

Purchase

 

7,111

 

2/22/2013

 

$

79.97

 

Open Market

 

 


 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

20,723

 

2/22/2013

 

$

79.98

 

Open Market

 

Relational Investors Mid-Cap Fund II, L.P.

 

Purchase

 

5,580

 

2/22/2013

 

$

79.97

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

4,199

 

2/22/2013

 

$

79.98

 

Open Market

 

Relational Investors XV, L.P.

 

Purchase

 

1,130

 

2/22/2013

 

$

79.97

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

3,729

 

2/22/2013

 

$

79.98

 

Open Market

 

Relational Investors XX, L.P.

 

Purchase

 

1,004

 

2/22/2013

 

$

79.97

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

5,311

 

2/22/2013

 

$

79.98

 

Open Market

 

Relational Investors XXIII, L.P.

 

Purchase

 

1,430

 

2/22/2013

 

$

79.97

 

Open Market

 

Relational Investors LLC

 

Purchase

 

20,481

 

2/22/2013

 

$

79.98

 

Open Market

 

Relational Investors LLC

 

Purchase

 

5,514

 

2/22/2013

 

$

79.97

 

Open Market