CHICAGO MERCANTILE EXCHANGE

CUSIP: 167760107 Class: COMMON STOCK

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

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

Q2 2007
Shares 300 Value ($000) $160 Avg Close — Range —
Q1 2007
Shares 300 Value ($000) $160 Avg Close — Range —
Q4 2006
Shares 300 Value ($000) $153 Avg Close — Range —