CATALYST HEALTH SOLUTIONS INC

CUSIP: 14888B103 Class: COM

RATIONAL ADVISORS LLC's Holding History (CIK: 0001143565)

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

Q1 2012
Shares 13,400 Value ($000) $854 Avg Close — Range —
Q4 2011
Shares 13,400 Value ($000) $697 Avg Close — Range —
Q3 2011
Shares 16,135 Value ($000) $931 Avg Close — Range —