Our Performance

TABLE OF CONTENTS

>	Sustainable, Increasingly Diversified Product Lines
>	Sustained Revenue Growth
>	Strong Leverage, Steadily Increasing Returns
>	Most-Prescribed Products By Indication
>	Non-GAAP EPS
>	Cash Generation

Genzyme by the
Numbers, 2007:

$3.8 billion

TOTAL REVENUES

$940 million

NON-GAAP NET INCOME*

$3.47

NON-GAAP EARNINGS PER SHARE**

$1.3 billion

CASH GENERATED*

>25 %

FIVE YEAR NON-GAAP EARNINGS CAGR*

* Refer to footnote 1 on Financial Highlights page.
** Based on 271,081 diluted shares.