AVIAT NETWORKS INC

CUSIP: 05366Y102 Class: COMMON STOCK

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

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

Q1 2011
Shares 60,639 Value ($000) $314 Avg Close — Range —
Q4 2010
Shares 60,639 Value ($000) $307 Avg Close — Range —
Q1 2010
Shares 9,239 Value ($000) $61 Avg Close — Range —