EX-99.A 2 a12-28063_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

 

68,483

 

9/20/2012

 

$

39.48

 

Open Market

 

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

 

Purchase

 

69,764

 

9/20/2012

 

$

39.63

 

Open Market

 

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

 

Purchase

 

36,815

 

9/20/2012

 

$

39.48

 

Open Market

 

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

 

Purchase

 

37,503

 

9/20/2012

 

$

39.63

 

Open Market

 

Relational Investors LLC

 

Purchase

 

11,205

 

9/20/2012

 

$

39.48

 

Open Market

 

Relational Investors LLC

 

Purchase

 

11,414

 

9/20/2012

 

$

39.63

 

Open Market

 

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

 

Purchase

 

58,782

 

9/21/2012

 

$

40.01

 

Open Market

 

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

 

Purchase

 

176,346

 

9/21/2012

 

$

39.97

 

Open Market

 

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

 

Purchase

 

31,600

 

9/21/2012

 

$

40.01

 

Open Market

 

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

 

Purchase

 

94,800

 

9/21/2012

 

$

39.97

 

Open Market

 

Relational Investors LLC

 

Purchase

 

9,618

 

9/21/2012

 

$

40.01

 

Open Market

 

Relational Investors LLC

 

Purchase

 

28,854

 

9/21/2012

 

$

39.97

 

Open Market

 

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

 

Purchase

 

124,800

 

9/24/2012

 

$

39.27

 

Open Market

 

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

 

Purchase

 

67,090

 

9/24/2012

 

$

39.27

 

Open Market

 

Relational Investors LLC

 

Purchase

 

20,419

 

9/24/2012

 

$

39.27

 

Open Market

 

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

 

Purchase

 

117,561

 

9/25/2012

 

$

37.90

 

Open Market

 

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

 

Purchase

 

63,202

 

9/25/2012

 

$

37.90

 

Open Market

 

Relational Investors LLC

 

Purchase

 

19,237

 

9/25/2012

 

$

37.90

 

Open Market

 

California State Teachers’ Retirement System

 

Purchase

 

900

 

9/28/2012

 

$

37.22

 

Open Market

 

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

 

Purchase

 

28,768

 

10/2/2012

 

$

37.38

 

Open Market

 

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

 

Purchase

 

17,771

 

10/2/2012

 

$

37.38

 

Open Market

 

Relational Investors LLC

 

Purchase

 

3,461

 

10/2/2012

 

$

37.38

 

Open Market

 

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

 

Purchase

 

47,553

 

10/3/2012

 

$

38.07

 

Open Market

 

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

 

Purchase

 

28,768

 

10/3/2012

 

$

37.99

 

Open Market

 

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

 

Purchase

 

29,375

 

10/3/2012

 

$

38.07

 

Open Market

 

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

 

Purchase

 

17,771

 

10/3/2012

 

$

37.99

 

Open Market

 

 


 

Relational Investors LLC

 

Purchase

 

5,721

 

10/3/2012

 

$

38.07

 

Open Market

 

Relational Investors LLC

 

Purchase

 

3,461

 

10/3/2012

 

$

37.99

 

Open Market

 

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

 

Purchase

 

1,220

 

10/4/2012

 

$

38.50

 

Open Market

 

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

 

Purchase

 

753

 

10/4/2012

 

$

38.50

 

Open Market

 

Relational Investors LLC

 

Purchase

 

146

 

10/4/2012

 

$

38.50

 

Open Market

 

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

 

Purchase

 

47,494

 

10/5/2012

 

$

39.32

 

Open Market

 

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

 

Purchase

 

11,508

 

10/5/2012

 

$

39.30

 

Open Market

 

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

 

Purchase

 

29,339

 

10/5/2012

 

$

39.32

 

Open Market

 

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

 

Purchase

 

7,108

 

10/5/2012

 

$

39.30

 

Open Market

 

Relational Investors LLC

 

Purchase

 

5,714

 

10/5/2012

 

$

39.32

 

Open Market

 

Relational Investors LLC

 

Purchase

 

1,384

 

10/5/2012

 

$

39.30

 

Open Market

 

California State Teachers’ Retirement System

 

Purchase

 

645

 

10/5/2012

 

$

39.44

 

Open Market

 

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

 

Purchase

 

73,135

 

10/8/2012

 

$

38.74

 

Open Market

 

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

 

Purchase

 

57,534

 

10/8/2012

 

$

38.73

 

Open Market

 

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

 

Purchase

 

45,181

 

10/8/2012

 

$

38.74

 

Open Market

 

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

 

Purchase

 

35,543

 

10/8/2012

 

$

38.73

 

Open Market

 

Relational Investors LLC

 

Purchase

 

8,801

 

10/8/2012

 

$

38.74

 

Open Market

 

Relational Investors LLC

 

Purchase

 

6,923

 

10/8/2012

 

$

38.73

 

Open Market

 

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

 

Purchase

 

28,766

 

10/9/2012

 

$

38.41

 

Open Market

 

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

 

Purchase

 

48,902

 

10/9/2012

 

$

38.45

 

Open Market

 

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

 

Purchase

 

29,092

 

10/9/2012

 

$

38.37

 

Open Market

 

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

 

Purchase

 

17,772

 

10/9/2012

 

$

38.41

 

Open Market

 

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

 

Purchase

 

30,213

 

10/9/2012

 

$

38.45

 

Open Market

 

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

 

Purchase

 

17,974

 

10/9/2012

 

$

38.37

 

Open Market

 

Relational Investors LLC

 

Purchase

 

3,462

 

10/9/2012

 

$

38.41

 

Open Market

 

Relational Investors LLC

 

Purchase

 

5,885

 

10/9/2012

 

$

38.45

 

Open Market

 

Relational Investors LLC

 

Purchase

 

3,502

 

10/9/2012

 

$

38.37

 

Open Market

 

California State Teachers’ Retirement System

 

Purchase

 

100

 

10/11/2012

 

$

37.52

 

Open Market

 

California State Teachers’ Retirement System

 

Purchase

 

1,198

 

10/19/2012

 

$

38.68

 

Open Market

 

California State Teachers’ Retirement System

 

Purchase

 

1,276

 

10/22/2012

 

$

38.72

 

Open Market

 

California State Teachers’ Retirement System

 

Purchase

 

1,022

 

10/23/2012

 

$

37.87

 

Open Market

 

California State Teachers’ Retirement System

 

Purchase

 

2,719

 

10/24/2012

 

$

36.93

 

Open Market

 

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

 

Purchase

 

11,128

 

10/25/2012

 

$

38.96

 

Open Market

 

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

 

Purchase

 

80,494

 

10/25/2012

 

$

39.07

 

Open Market

 

 


 

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

 

Purchase

 

7,286

 

10/25/2012

 

$

38.96

 

Open Market

 

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

 

Purchase

 

52,707

 

10/25/2012

 

$

39.07

 

Open Market

 

Relational Investors LLC

 

Purchase

 

1,586

 

10/25/2012

 

$

38.96

 

Open Market

 

Relational Investors LLC

 

Purchase

 

11,476

 

10/25/2012

 

$

39.07

 

Open Market

 

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

 

Purchase

 

55,637

 

10/26/2012

 

$

38.96

 

Open Market

 

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

 

Purchase

 

16,692

 

10/26/2012

 

$

38.73

 

Open Market

 

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

 

Purchase

 

36,431

 

10/26/2012

 

$

38.96

 

Open Market

 

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

 

Purchase

 

10,929

 

10/26/2012

 

$

38.73

 

Open Market

 

Relational Investors LLC

 

Purchase

 

7,932

 

10/26/2012

 

$

38.96

 

Open Market

 

Relational Investors LLC

 

Purchase

 

2,379

 

10/26/2012

 

$

38.73

 

Open Market

 

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

 

Purchase

 

44,677

 

10/31/2012

 

$

39.55

 

Open Market

 

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

 

Purchase

 

10,962

 

10/31/2012

 

$

39.45

 

Open Market

 

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

 

Purchase

 

29,254

 

10/31/2012

 

$

39.55

 

Open Market

 

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

 

Purchase

 

7,176

 

10/31/2012

 

$

39.45

 

Open Market

 

Relational Investors LLC

 

Purchase

 

6,369

 

10/31/2012

 

$

39.55

 

Open Market

 

Relational Investors LLC

 

Purchase

 

1,562

 

10/31/2012

 

$

39.45

 

Open Market

 

California State Teachers’ Retirement System

 

Purchase

 

200

 

10/31/2012

 

$

38.64

 

Open Market

 

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

 

Purchase

 

71,752

 

11/1/2012

 

$

41.02

 

Open Market

 

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

 

Purchase

 

13,910

 

11/1/2012

 

$

41.09

 

Open Market

 

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

 

Purchase

 

46,984

 

11/1/2012

 

$

41.02

 

Open Market

 

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

 

Purchase

 

9,107

 

11/1/2012

 

$

41.09

 

Open Market

 

Relational Investors LLC

 

Purchase

 

10,230

 

11/1/2012

 

$

41.02

 

Open Market

 

Relational Investors LLC

 

Purchase

 

1,983

 

11/1/2012

 

$

41.09

 

Open Market

 

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

 

Purchase

 

56,387

 

11/2/2012

 

$

40.92

 

Open Market

 

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

 

Purchase

 

22,354

 

11/2/2012

 

$

40.81

 

Open Market

 

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

 

Purchase

 

36,928

 

11/2/2012

 

$

40.92

 

Open Market

 

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

 

Purchase

 

11,417

 

11/2/2012

 

$

40.81

 

Open Market

 

Relational Investors LLC

 

Purchase

 

8,042

 

11/2/2012

 

$

40.92

 

Open Market

 

Relational Investors LLC

 

Purchase

 

6,620

 

11/2/2012

 

$

40.81

 

Open Market

 

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

 

Purchase

 

44,057

 

11/5/2012

 

$

40.74

 

Open Market

 

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

 

Purchase

 

22,503

 

11/5/2012

 

$

40.74

 

Open Market

 

Relational Investors LLC

 

Purchase

 

13,049

 

11/5/2012

 

$

40.74

 

Open Market

 

California State Teachers’ Retirement System

 

Sale

 

1,141

 

11/8/2012

 

$

38.86

 

Open Market

 

California State Teachers’ Retirement System

 

Purchase

 

100

 

11/13/2012

 

$

38.25

 

Open Market

 

 


 

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

 

Purchase

 

76,881

 

11/19/2012

 

$

39.50

 

Open Market

 

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

 

Purchase

 

39,332

 

11/19/2012

 

$

39.50

 

Open Market

 

Relational Investors LLC

 

Purchase

 

8,787

 

11/19/2012

 

$

39.50

 

Open Market

 

California State Teachers’ Retirement System

 

Sale

 

900

 

11/20/2012

 

$

39.38

 

Open Market

 

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

 

Purchase

 

76,880

 

11/20/2012

 

$

39.52

 

Open Market

 

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

 

Purchase

 

39,332

 

11/20/2012

 

$

39.52

 

Open Market

 

Relational Investors LLC

 

Purchase

 

8,788

 

11/20/2012

 

$

39.52

 

Open Market

 

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

 

Purchase

 

6,151

 

11/21/2012

 

$

39.97

 

Open Market

 

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

 

Purchase

 

34,247

 

11/21/2012

 

$

39.81

 

Open Market

 

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

 

Purchase

 

29,646

 

11/21/2012

 

$

39.96

 

Open Market

 

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

 

Purchase

 

3,146

 

11/21/2012

 

$

39.97

 

Open Market

 

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

 

Purchase

 

17,520

 

11/21/2012

 

$

39.81

 

Open Market

 

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

 

Purchase

 

15,166

 

11/21/2012

 

$

39.96

 

Open Market

 

Relational Investors LLC

 

Purchase

 

703

 

11/21/2012

 

$

39.97

 

Open Market

 

Relational Investors LLC

 

Purchase

 

3,914

 

11/21/2012

 

$

39.81

 

Open Market

 

Relational Investors LLC

 

Purchase

 

3,388

 

11/21/2012

 

$

39.96

 

Open Market

 

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

 

Purchase

 

30,753

 

11/23/2012

 

$

40.72

 

Open Market

 

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

 

Purchase

 

1,231

 

11/23/2012

 

$

40.40

 

Open Market

 

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

 

Purchase

 

15,732

 

11/23/2012

 

$

40.72

 

Open Market

 

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

 

Purchase

 

629

 

11/23/2012

 

$

40.40

 

Open Market

 

Relational Investors LLC

 

Purchase

 

3,515

 

11/23/2012

 

$

40.72

 

Open Market

 

Relational Investors LLC

 

Purchase

 

140

 

11/23/2012

 

$

40.40

 

Open Market

 

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

 

Purchase

 

61,503

 

11/26/2012

 

$

40.75

 

Open Market

 

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

 

Purchase

 

20,097

 

11/26/2012

 

$

40.67

 

Open Market

 

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

 

Purchase

 

31,466

 

11/26/2012

 

$

40.75

 

Open Market

 

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

 

Purchase

 

10,281

 

11/26/2012

 

$

40.67

 

Open Market

 

Relational Investors LLC

 

Purchase

 

7,031

 

11/26/2012

 

$

40.75

 

Open Market

 

Relational Investors LLC

 

Purchase

 

2,297

 

11/26/2012

 

$

40.67

 

Open Market

 

Relational Investors LLC

 

Purchase

 

10,547

 

11/27/2012

 

$

41.27

 

Open Market

 

Relational Investors LLC

 

Purchase

 

3,617

 

11/27/2012

 

$

41.18

 

Open Market

 

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

 

Purchase

 

92,254

 

11/27/2012

 

$

41.27

 

Open Market

 

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

 

Purchase

 

31,640

 

11/27/2012

 

$

41.18

 

Open Market

 

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

 

Purchase

 

47,199

 

11/27/2012

 

$

41.27

 

Open Market

 

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

 

Purchase

 

16,187

 

11/27/2012

 

$

41.18

 

Open Market

 

Relational Investors LLC

 

Purchase

 

3,516

 

11/28/2012

 

$

41.02

 

Open Market

 

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

 

Purchase

 

30,749

 

11/28/2012

 

$

41.02

 

Open Market

 

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

 

Purchase

 

15,735

 

11/28/2012

 

$

41.02

 

Open Market