GAAP TO NON-GAAP RECONCILIATION (CONTINUED)

(Dollars in thousands, except per share data)

(Unaudited)

Second Quarter of

First Two 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:

$ 59,473

20.9%

$ 46,987

19.9%

$  99,550

18.7%

$ 69,766

16.4%

Stock-based compensation

( J )

3,299

1.2%

2,443

1.0%

6,055

1.1%

4,781

1.1%

Non-GAAP operating income before corporate allocations:

$ 62,772

22.1%

$ 49,430

20.9%

$ 105,605

19.8%

$ 74,547

17.5%

Field Solutions

GAAP operating income before corporate allocations:

$ 46,623

37.8%

$ 42,543

40.9%

$ 108,984

40.2%

$ 95,048

41.9%

Stock-based compensation

( J )

681

0.5%

548

0.5%

1,324

0.5%

1,060

0.4%

Non-GAAP operating income before corporate allocations:

$ 47,304

38.3%

$ 43,091

41.4%

$ 110,308

40.7%

$ 96,108

42.3%

Mobile Solutions

GAAP operating income (loss) before corporate allocations:

$  5,624

6.9%

$ (2,684)

(6.7%)

$  12,982

8.1%

$ (4,018)

(4.7%)

Stock-based compensation

( J )

235

0.3%

809

2.0%

1,028

0.7%

1,805

2.1%

Non-GAAP operating income (loss) before corporate allocations:

$  5,859

7.2%

$ (1,875)

(4.7%)

$  14,010

8.8%

$ (2,213)

(2.6%)

Advanced Devices

GAAP operating income before corporate allocations:

$  3,913

13.7%

$  2,607

9.9%

$    7,252

12.9%

$  6,470

12.2%

Stock-based compensation

( J )

540

1.9%

668

2.6%

1,172

2.1%

1,319

2.5%

Non-GAAP operating income before corporate allocations:

$  4,453

15.6%

$  3,275

12.5%

$    8,424

15.0%

$  7,789

14.7%