PATTERSON COMPANIES INC

CUSIP: 703395103 Class: Common Stock

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

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

Q1 2013
Shares 2,180 Value ($000) $83 Avg Close — Range —
Q4 2012
Shares 2,180 Value ($000) $75 Avg Close — Range —
Q3 2012
Shares 18,080 Value ($000) $619 Avg Close — Range —
Q2 2012
Shares 19,780 Value ($000) $682 Avg Close — Range —
Q1 2012
Shares 19,160 Value ($000) $640 Avg Close — Range —
Q4 2011
Shares 18,910 Value ($000) $558 Avg Close — Range —
Q3 2011
Shares 18,890 Value ($000) $541 Avg Close — Range —
Q2 2011
Shares 12,000 Value ($000) $395 Avg Close — Range —
Q1 2011
Shares 12,000 Value ($000) $386 Avg Close — Range —
Q4 2010
Shares 12,000 Value ($000) $368 Avg Close — Range —
Q1 2010
Shares 5,000 Value ($000) $155 Avg Close — Range —
Q4 2009
Shares 5,000 Value ($000) $140 Avg Close — Range —
Q3 2009
Shares 5,000 Value ($000) $136 Avg Close — Range —
Q2 2009
Shares 5,000 Value ($000) $109 Avg Close — Range —
Q1 2009
Shares 5,000 Value ($000) $94 Avg Close — Range —