CEPHALON INC

CUSIP: 156708109 Class: COMMON STOCK

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

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

Q4 2010
Shares 15,616 Value ($000) $964 Avg Close — Range —
Q1 2010
Shares 11,906 Value ($000) $807 Avg Close — Range —
Q4 2009
Shares 11,906 Value ($000) $743 Avg Close — Range —
Q3 2009
Shares 12,006 Value ($000) $699 Avg Close — Range —
Q2 2009
Shares 12,006 Value ($000) $680 Avg Close — Range —
Q1 2009
Shares 12,006 Value ($000) $818 Avg Close — Range —