ATHEROS COMMUNICATIONS

CUSIP: 04743P108 Class: COMMON STOCK

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

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

Q3 2009
Shares 33,720 Value ($000) $895 Avg Close — Range —
Q2 2009
Shares 33,720 Value ($000) $649 Avg Close — Range —
Q1 2009
Shares 33,720 Value ($000) $494 Avg Close — Range —