GAAP TO NON-GAAP RECONCILIATION (CONTINUED)

(Dollars in thousands, except per share data)

(Unaudited)

Second Quarter of

First Two Quarters of

2014

2013

2014

2013

% of Segment

% of Segment

% of Segment

% of Segment

SEGMENT OPERATING INCOME:

Revenue

Revenue

Revenue

Revenue

Engineering and Construction

GAAP operating income before corporate allocations:

$ 91,884

25.0%

$ 66,840

21.3%

$ 149,399

22.1%

$ 109,813

18.9%

Stock-based compensation

( J )

3,840

1.0%

2,890

0.9%

7,431

1.1%

5,752

1.0%

Non-GAAP operating income before corporate allocations:

$ 95,724

26.0%

$ 69,730

22.2%

$ 156,830

23.2%

$ 115,565

19.9%

Field Solutions

GAAP operating income before corporate allocations:

$ 38,672

33.8%

$ 43,372

37.4%

$  91,609

36.3%

$ 102,898

39.1%

Stock-based compensation

( J )

906

0.8%

827

0.7%

1,676

0.6%

1,544

0.6%

Non-GAAP operating income before corporate allocations:

$ 39,578

34.6%

$ 44,199

38.1%

$  93,285

36.9%

$ 104,442

39.7%

Mobile Solutions

GAAP operating income before corporate allocations:

$ 20,385

16.6%

$ 15,435

13.4%

$  36,555

15.1%

$  27,008

12.0%

Stock-based compensation

( J )

1,282

1.0%

948

0.8%

2,460

1.1%

1,860

0.8%

Non-GAAP operating income before corporate allocations:

$ 21,667

17.6%

$ 16,383

14.2%

$  39,015

16.2%

$  28,868

12.8%

Advanced Devices

GAAP operating income before corporate allocations:

$ 12,083

32.8%

$   6,514

20.7%

$  23,759

31.5%

$  12,999

20.6%

Stock-based compensation

( J )

506

1.4%

901

2.9%

1,002

1.3%

1,750

2.8%

Non-GAAP operating income before corporate allocations:

$ 12,589

34.2%

$   7,415

23.6%

$  24,761

32.8%

$  14,749

23.4%