GAAP TO NON-GAAP RECONCILIATION

(Dollars in millions, except per share data)

(Unaudited)

Third Quarter of

First Three Quarters of

2016

2015

2016

2015

Dollar

% of

Dollar

% of

Dollar

% of

Dollar

% of

Amount

Revenue

Amount

Revenue

Amount

Revenue

Amount

Revenue

GROSS MARGIN:

GAAP gross margin:

$  309.0

52.9 %

$  298.0

53.0 %

$   925.2

52.1 %

$   909.1

52.5 %

Restructuring charges

( A )

0.5

0.1 %

0.3

0.1 %

1.2

0.1 %

0.8

—%

Amortization of purchased intangible assets

( B )

21.8

3.7 %

23.3

4.1 %

69.9

3.9 %

68.8

4.0 %

Stock-based compensation

( C )

0.9

0.2 %

1.0

0.2 %

2.8

0.1 %

2.9

0.2 %

Non-GAAP gross margin:

$  332.2

56.9 %

$  322.6

57.4 %

$   999.1

56.2 %

$   981.6

56.7 %

OPERATING EXPENSES:

GAAP operating expenses:

$  253.7

43.4 %

$  252.0

44.8 %

$   799.5

45.0 %

$   787.6

45.5 %

Restructuring charges

( A )

(3.5)

(0.6)%

(2.7)

(0.5)%

(9.8)

(0.5)%

(9.0)

(0.5)%

Amortization of purchased intangible assets

( B )

(15.5)

(2.7)%

(17.4)

(3.1)%

(47.3)

(2.7)%

(53.4)

(3.1)%

Stock-based compensation

( C )

(12.4)

(2.1)%

(11.8)

(2.1)%

(37.2)

(2.1)%

(34.4)

(2.0)%

Acquisition / divestiture items

( D )

(0.9)

(0.1)%

(2.4)

(0.4)%

(3.4)

(0.2)%

(8.0)

(0.4)%

Executive transition costs

( E )

—

—%

—

—%

(1.0)

(0.1)%

—

—%

Non-GAAP operating expenses:

$  221.4

37.9 %

$  217.7

38.7 %

$   700.8

39.4 %

$   682.8

39.5 %

OPERATING INCOME:

GAAP operating income:

$    55.3

9.5 %

$    46.0

8.2 %

$   125.7

7.1 %

$   121.5

7.0 %

Restructuring charges

( A )

4.0

0.7 %

3.0

0.5 %

11.0

0.6 %

9.8

0.6 %

Amortization of purchased intangible assets

( B )

37.3

6.4 %

40.7

7.2 %

117.2

6.6 %

122.2

7.1 %

Stock-based compensation

( C )

13.3

2.3 %

12.8

2.3 %

40.0

2.2 %

37.3

2.1 %

Acquisition / divestiture items

( D )

0.9

0.1 %

2.4

0.5 %

3.4

0.2 %

8.0

0.5 %

Executive transition costs

( E )

—

—%

—

—%

1.0

0.1 %

—

—%

Non-GAAP operating income:

$  110.8

19.0 %

$  104.9

18.7 %

$   298.3

16.8 %

$   298.8

17.3 %

NON-OPERATING INCOME (EXPENSE), NET:

GAAP non-operating income (expense), net:

$     (3.1)

$     (2.5)

$      (5.8)

$       2.0

Acquisition / divestiture items

( D )

2.8

(0.2)

0.1

(5.8)

Non-GAAP non-operating income (expense), net:

$     (0.3)

$     (2.7)

$      (5.7)

$      (3.8)

GAAP and

GAAP and

GAAP and

GAAP and

Non-GAAP

Non-GAAP

Non-GAAP

Non-GAAP

Tax Rate %

( H )

Tax Rate %

( H )

Tax Rate %

( H )

Tax Rate %

( H )

INCOME TAX PROVISION:

GAAP income tax provision:

$    13.0

25 %

$      6.5

15 %

$     25.4

21 %

$     26.7

22 %

Non-GAAP items tax effected

( F )

14.6

8.8

36.3

37.8

Difference in GAAP and Non-GAAP tax rate

( G )

(1.1)

9.2

8.5

6.3

Non-GAAP income tax provision:

$    26.5

24 %

$    24.5

24 %

$     70.2

24 %

$     70.8

24 %

NET INCOME:

GAAP net income attributable to Trimble Navigation Limited

$    39.2

$    37.1

$     94.7

$     97.1

Restructuring charges

( A )

4.0

3.0

11.0

9.8

Amortization of purchased intangible assets

( B )

37.3

40.7

117.2

122.2

Stock-based compensation

( C )

13.3

12.8

40.0

37.3

Acquisition / divestiture items

( D )

3.7

2.2

3.5

2.2

Executive transition costs

( E )

—

—

1.0

—

Non-GAAP tax adjustments

( F )

(13.5)

(18.0)

(44.8)

(44.1)

Non-GAAP net income attributable to Trimble Navigation Limited

$    84.0

$    77.8

$   222.6

$   224.5

DILUTED NET INCOME PER SHARE:

GAAP diluted net income per share attributable to Trimble Navigation Limited

$    0.15

$    0.14

$     0.37

$     0.37

Restructuring charges

( A )

0.02

0.01

0.05

0.04

Amortization of purchased intangible assets

( B )

0.15

0.16

0.46

0.47

Stock-based compensation

( C )

0.05

0.05

0.16

0.14

Acquisition / divestiture items

( D )

0.01

0.01

0.02

0.01

Executive transition costs

( E )

—

—

—

—

Non-GAAP tax adjustments

( F )

(0.05)

(0.07)

(0.18)

(0.17)

Non-GAAP diluted net income per share attributable to Trimble Navigation Limited

$    0.33

$    0.30

$     0.88

$     0.86