GAAP TO NON-GAAP RECONCILIATION (CONTINUED)

(Dollars in thousands, except per share data)

(Unaudited)

Fourth Quarter of

Fiscal Years

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:

$         39,173

14.6%

$         36,615

15.3%

$       207,174

19.0%

$       149,015

16.4%

Stock-based compensation

( J )

3,224

1.2%

2,780

1.2%

11,954

1.1%

10,140

1.2%

Non-GAAP operating income before corporate allocations:

$         42,397

15.8%

$         39,395

16.5%

$       219,128

20.1%

$       159,155

17.6%

Field Solutions

GAAP operating income before corporate allocations:

$         37,129

34.4%

$         34,061

35.7%

$       182,134

37.8%

$       160,139

38.7%

Stock-based compensation

( J )

798

0.7%

650

0.6%

2,750

0.6%

2,269

0.6%

Non-GAAP operating income before corporate allocations:

$         37,927

35.1%

$         34,711

36.3%

$       184,884

38.4%

$       162,408

39.3%

Mobile Solutions

GAAP operating income before corporate allocations:

$         11,259

10.8%

$           5,976

7.9%

$         32,459

9.3%

$           4,461

2.0%

Stock-based compensation

( J )

405

0.4%

470

0.6%

2,115

0.6%

2,943

1.4%

Non-GAAP operating income before corporate allocations:

$         11,664

11.2%

$           6,446

8.5%

$         34,574

9.9%

$           7,404

3.4%

Advanced Devices

GAAP operating income before corporate allocations:

$           6,230

18.5%

$           3,451

13.7%

$         19,166

15.9%

$         13,891

13.2%

Stock-based compensation

( J )

751

2.2%

611

2.4%

2,467

2.0%

2,566

2.4%

Non-GAAP operating income before corporate allocations:

$           6,981

20.7%

$           4,062

16.1%

$         21,633

17.9%

$         16,457

15.6%