ALLIED WORLD ASSURANCE HOLDINGS

CUSIP: G0219G203 Class: EQFOR

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

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

Q1 2010
Shares 11,300 Value ($000) $507 Avg Close — Range —
Q4 2009
Shares 11,300 Value ($000) $521 Avg Close — Range —
Q3 2009
Shares 11,500 Value ($000) $551 Avg Close — Range —
Q2 2009
Shares 11,500 Value ($000) $470 Avg Close — Range —
Q1 2009
Shares 11,500 Value ($000) $437 Avg Close — Range —