Basic earnings:

Net income

$

4.8

$

2.6

$

8.4

$

8.1

Weighted average number of £0.50 ordinary shares:

For basic earnings per share

26,751,226

26,749,018

26,635,968

26,741,271

Dilutive effect of potential common stock

470,192

349,179

509,869

402,613

For diluted earnings per share

27,221,418

27,098,197

27,145,837

27,143,884

Earnings per share using weighted average number of ordinary shares outstanding:

Basic earnings per ordinary share

$

0.18

$

0.10

$

0.32

$

0.30

Diluted earnings per ordinary share

$

0.18

$

0.10

$

0.31

$

0.30