CATALYST HEALTH SOLUTIONS INC

CUSIP: 14888B103 Class: COM

Zurcher Kantonalbank (Zurich Cantonalbank)'s Holding History (CIK: 0001368163)

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

Q2 2012
Shares 21,000 Value ($000) $1,962 Avg Close — Range —
Q1 2012
Shares 35,000 Value ($000) $2,231 Avg Close — Range —
Q4 2011
Shares 38,000 Value ($000) $1,976 Avg Close — Range —