GAAP TO NON-GAAP RECONCILIATION (CONTINUED)

(Dollars in thousands, except per share data)

(Unaudited)

Third Quarter of

First Three Quarters of

2012

2011

2012

2011

% of Segment

% of Segment

% of Segment

% of Segment

SEGMENT OPERATING INCOME:

Revenue

Revenue

Revenue

Revenue

Engineering and Construction

GAAP operating income before corporate allocations:

$ 68,451

23.8%

$ 42,634

17.7%

$ 168,001

20.5%

$ 112,400

16.8%

Stock-based compensation

( J )

2,675

1.0%

2,579

1.1%

8,730

1.0%

7,360

1.1%

Non-GAAP operating income before corporate allocations:

$ 71,126

24.8%

$ 45,213

18.8%

$ 176,731

21.5%

$ 119,760

17.9%

Field Solutions

GAAP operating income before corporate allocations:

$ 36,021

35.0%

$ 31,030

34.1%

$ 145,005

38.8%

$ 126,078

39.6%

Stock-based compensation

( J )

628

0.6%

559

0.6%

1,952

0.5%

1,619

0.5%

Non-GAAP operating income before corporate allocations:

$ 36,649

35.6%

$ 31,589

34.7%

$ 146,957

39.3%

$ 127,697

40.1%

Mobile Solutions

GAAP operating income (loss) before corporate allocations:

$   8,218

9.8%

$   2,503

4.3%

$  21,200

8.7%

$   (1,515)

(1.1%)

Stock-based compensation

( J )

682

0.8%

668

1.2%

1,710

0.7%

2,473

1.8%

Non-GAAP operating income before corporate allocations:

$   8,900

10.6%

$   3,171

5.5%

$  22,910

9.4%

$       958

0.7%

Advanced Devices

GAAP operating income before corporate allocations:

$   5,684

18.5%

$   3,970

14.6%

$  12,936

14.9%

$  10,441

13.0%

Stock-based compensation

( J )

544

1.8%

636

2.4%

1,716

2.0%

1,955

2.5%

Non-GAAP operating income before corporate allocations:

$   6,228

20.3%

$   4,606

17.0%

$  14,652

16.9%

$  12,396

15.5%