The calculation of basic earnings per share is based on the weighted average number of shares outstanding. Diluted earnings per share reflect the dilutive effect of the exercise of warrants and options. The number of shares for the diluted earnings per share was calculated as follows:

		Quarter ended		Three quarters ended
		October 1, 2011	October 2, 2010	October 1, 2011	October 2, 2010

Earnings (loss) from continuing operations
	attributable to SunOpta Inc.	$3,678	($184)	$13,765	$10,566
(Loss) earnings from discontinued
	operations, net of income taxes	(312)	34,251	(917)	48,580
Earnings attributable to SunOpta Inc.		$3,366	$34,067	$12,848	$59,146

Weighted average number of shares used
	in basic earnings per share	65,599,998	65,120,570	65,606,481	65,112,908
Dilutive potential of the following:
	Employee/director stock options	603,756	736,460	771,796	561,136
	Warrants	148,543	129,004	270,130	90,821
Diluted weighted average number of
	shares outstanding	66,352,297	65,986,034	66,648,407	65,764,865

Earnings (loss) per share - basic:
	From continuing operations	$0.06	-	$0.21	$0.16
	From discontinued operations	(0.01)	0.53	(0.01)	0.75
		$0.05	$0.53	$0.20	$0.91

Earnings (loss) per share - diluted:
	From continuing operations	$0.06	-	$0.21	$0.16
	From discontinued operations	(0.01)	0.52	(0.01)	0.74
		$0.05	$0.52	$0.20	$0.90

For the quarter ended October 1, 2011, options to purchase 1,334,700 (October 2, 2010 – 875,300) common shares have been excluded from the calculation of diluted earnings per share due to their anti-dilutive effect. For the three quarters ended October 1, 2011, options to purchase 1,061,600 (October 2, 2010 – 1,010,000) common shares have been excluded from the calculation of diluted earnings per share due to their anti-dilutive effect.