GAAP TO NON-GAAP RECONCILIATION (CONTINUED)

(Dollars in thousands, except per share data)

(Unaudited)

Second Quarter of

First Two Quarters of

2013

2012

2013

2012

% of Segment

Revenue

% of Segment Revenue

% of Segment

Revenue

% of Segment

Revenue

SEGMENT OPERATING INCOME:

Engineering and Construction

GAAP operating income before corporate allocations:

$ 66,840

21.3%

$ 59,473

20.9%

$ 109,813

18.9%

$  99,550

18.7%

Stock-based compensation

( I )

2,890

0.9%

3,299

1.2%

5,752

1.0%

6,055

1.1%

Non-GAAP operating income before corporate allocations:

$ 69,730

22.2%

$ 62,772

22.1%

$ 115,565

19.9%

$ 105,605

19.8%

Field Solutions

GAAP operating income before corporate allocations:

$ 43,372

37.4%

$ 46,623

37.8%

$ 102,898

39.1%

$ 108,984

40.2%

Stock-based compensation

( I )

827

0.7%

681

0.5%

1,544

0.6%

1,324

0.5%

Non-GAAP operating income before corporate allocations:

$ 44,199

38.1%

$ 47,304

38.3%

$ 104,442

39.7%

$ 110,308

40.7%

Mobile Solutions

GAAP operating income before corporate allocations:

$ 15,435

13.4%

$   5,624

6.9%

$  27,008

12.0%

$  12,982

8.1%

Stock-based compensation

( I )

948

0.8%

235

0.3%

1,860

0.8%

1,028

0.7%

Non-GAAP operating income before corporate allocations:

$ 16,383

14.2%

$   5,859

7.2%

$  28,868

12.8%

$  14,010

8.8%

Advanced Devices

GAAP operating income before corporate allocations:

$   6,514

20.7%

$   3,913

13.7%

$  12,999

20.6%

$    7,252

12.9%

Stock-based compensation

( I )

901

2.9%

540

1.9%

1,750

2.8%

1,172

2.1%

Non-GAAP operating income before corporate allocations:

$   7,415

23.6%

$   4,453

15.6%

$  14,749

23.4%

$    8,424

15.0%