AVOCENT CORPORATION

CUSIP: 053893103 Class: COMMON STOCK

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

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

Q4 2009
Shares 2,000 Value ($000) $50 Avg Close — Range —
Q3 2009
Shares 17,200 Value ($000) $349 Avg Close — Range —
Q2 2009
Shares 17,200 Value ($000) $240 Avg Close — Range —
Q1 2009
Shares 17,200 Value ($000) $209 Avg Close — Range —