GAAP TO NON-GAAP RECONCILIATION (CONTINUED)

(Dollars in thousands, except per share data)

(Unaudited)

Third Quarter of

First Three Quarters of

2013

2012

2013

2012

% of Segment

% of Segment

% of Segment

% of Segment

SEGMENT OPERATING INCOME:

Revenue

Revenue

Revenue

Revenue

Engineering and Construction

GAAP operating income before corporate allocations:

$ 73,488

23.7%

$ 68,451

23.8%

$ 183,301

20.6%

$ 168,001

20.5%

Stock-based compensation

( J )

2,950

0.9%

2,675

1.0%

8,702

1.0%

8,730

1.0%

Non-GAAP operating income before corporate allocations:

$ 76,438

24.6%

$ 71,126

24.8%

$ 192,003

21.6%

$ 176,731

21.5%

Field Solutions

GAAP operating income before corporate allocations:

$ 31,373

31.5%

$ 36,021

35.0%

$ 134,271

37.0%

$ 145,005

38.8%

Stock-based compensation

( J )

714

0.8%

628

0.6%

2,258

0.6%

1,952

0.5%

Non-GAAP operating income before corporate allocations:

$ 32,087

32.3%

$ 36,649

35.6%

$ 136,529

37.6%

$ 146,957

39.3%

Mobile Solutions

GAAP operating income before corporate allocations:

$ 15,276

13.5%

$   8,218

9.8%

$  42,284

12.5%

$  21,200

8.7%

Stock-based compensation

( J )

934

0.8%

682

0.8%

2,794

0.8%

1,710

0.7%

Non-GAAP operating income before corporate allocations:

$ 16,210

14.3%

$   8,900

10.6%

$  45,078

13.3%

$  22,910

9.4%

Advanced Devices

GAAP operating income before corporate allocations:

$   8,420

25.6%

$   5,684

18.5%

$  21,419

22.3%

$  12,936

14.9%

Stock-based compensation

( J )

900

2.8%

544

1.8%

2,650

2.8%

1,716

2.0%

Non-GAAP operating income before corporate allocations:

$   9,320

28.4%

$   6,228

20.3%

$  24,069

25.1%

$  14,652

16.9%