Three Months Ended
September 30,

Nine Months Ended
September 30,

2012

2011

2012

2011

Net income attributable to RadNet, Inc.'s common stockholders

$

5,053

$

39

$

7,888

$

2,684

BASIC INCOME PER SHARE ATTRIBUTABLE TO RADNET, INC.'S COMMON STOCKHOLDERS

Weighted average number of common shares outstanding during the period

38,340,482

37,426,460

37,737,467

37,347,946

Basic income per share attributable to RadNet, Inc.'s common stockholders

$

0.13

$

0.00

$

0.21

$

0.07

DILUTED INCOME PER SHARE ATTRIBUTABLE TO RADNET, INC.'S COMMON STOCKHOLDERS

Weighted average number of common shares outstanding during the period

38,340,482

37,426,460

37,737,467

37,347,946

Add nonvested restricted stock subject only to service vesting

560,000

–

516,655

–

Add additional shares issuable upon exercise of stock options and warrants

960,203

1,043,513

990,177

1,731,052

Weighted average number of common shares used in calculating diluted income per share

39,860,685

38,469,973

39,244,299

39,078,998

Diluted income per share attributable to RadNet, Inc.'s common stockholders

$

0.13

$

0.00

$

0.20

$

0.07