($ millions)

Q4
2017

Q3
2017

Q2
2017

Q1
2017

Q4
2016

Q3
2016

Q2
2016

Q1
2016

Pro forma adjusted EBITDA

184.9

189.1

187.3

178.0

185.4

180.6

188.0

184.3

Net finance expense

(47.8)

(49.1)

(50.2)

(47.0)

(38.0)

(36.9)

(38.0)

(42.1)

Depreciation and amortization¹

(56.5)

(52.3)

(52.5)

(50.7)

(47.0)

(48.0)

(50.0)

(54.0)

Income tax expense on adjusted earnings

(13.5)

(14.8)

(14.3)

(13.6)

(11.9)

(12.2)

(12.7)

(10.9)

Pro forma adjusted earnings

67.1

72.9

70.3

66.7

88.5

83.5

87.3

77.3

Adjusted earnings per share

1.18

1.28

1.24

1.17

1.56

1.47

1.54

1.36

Items affecting comparability:

Share-based compensation expense

(12.6)

(11.2)

(7.7)

(11.4)

(0.1)

(2.8)

(23.2)

(7.0)

Amortization of acquisition related intangible assets

(57.8)

(58.6)

(58.6)

(58.6)

(56.6)

(57.1)

(56.6)

(56.6)

Interest expense on dissenting shareholder liability

(1.9)

(1.9)

(1.8)

(1.7)

(1.7)

(1.7)

(1.7)

(1.7)

Loss from early extinguishment of debt

-

-

-

(0.5)

(35.7)

-

-

-

Restructuring and enterprise improvement costs

(20.5)

(1.3)

(4.9)

(11.1)

(3.8)

(3.2)

(2.3)

(7.4)

Executive compensation settlement

-

-

-

-

-

-

(2.3)

-

Foreign exchange differences

1.3

0.3

9.8

0.1

(5.4)

1.5

(1.7)

2.9

Earnings (loss) from joint ventures

(1.1)

0.1

0.8

-

(0.4)

(1.3)

(1.3)

(0.9)

Income tax expense adjustment

3.0

28.1

33.0

11.4

7.3

27.7

17.3

19.6

Pro forma net earnings (loss)

(22.5)

28.4

40.9

(5.1)

(7.9)

46.6

15.5

26.2

¹ Excludes amortization of acquisition related intangible assets.