GENZYME CORP

CUSIP: 372917104 Class: COMMON STOCK

E. Ohman J:or Asset Management AB's Holding History (CIK: 0002009396)

Note: Option positions (PUT/CALL) are excluded.

Q1 2011
Shares 5,100 Value ($000) $388 Avg Close — Range —
Q4 2010
Shares 4,300 Value ($000) $306 Avg Close — Range —
Q3 2010
Shares 5,300 Value ($000) $375 Avg Close — Range —
Q2 2010
Shares 5,300 Value ($000) $269 Avg Close — Range —
Q1 2010
Shares 3,800 Value ($000) $197 Avg Close — Range —
Q4 2009
Shares 3,800 Value ($000) $186 Avg Close — Range —
Q3 2009
Shares 4,600 Value ($000) $261 Avg Close — Range —
Q2 2009
Shares 4,600 Value ($000) $256 Avg Close — Range —
Q4 2008
Shares 3,600 Value ($000) $239 Avg Close — Range —
Q3 2008
Shares 2,900 Value ($000) $235 Avg Close — Range —
Q2 2008
Shares 4,500 Value ($000) $324 Avg Close — Range —
Q1 2008
Shares 2,900 Value ($000) $216 Avg Close — Range —
Q4 2007
Shares 2,900 Value ($000) $216 Avg Close — Range —
Q3 2007
Shares 1,800 Value ($000) $112 Avg Close — Range —
Q2 2007
Shares 1,800 Value ($000) $116 Avg Close — Range —
Q1 2007
Shares 1,800 Value ($000) $108 Avg Close — Range —
Q4 2006
Shares 1,800 Value ($000) $111 Avg Close — Range —