NOBLE CORPORATION BAAR

CUSIP: H5833N103 Class: COMMON STOCK-FO

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

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

Q2 2011
Shares 28,700 Value ($000) $1,131 Avg Close — Range —
Q1 2011
Shares 28,700 Value ($000) $1,309 Avg Close — Range —
Q4 2010
Shares 28,700 Value ($000) $1,027 Avg Close — Range —
Q1 2010
Shares 38,100 Value ($000) $1,593 Avg Close — Range —
Q4 2009
Shares 38,000 Value ($000) $1,547 Avg Close — Range —
Q3 2009
Shares 17,700 Value ($000) $672 Avg Close — Range —
Q2 2009
Shares 17,500 Value ($000) $529 Avg Close — Range —
Q1 2009
Shares 17,500 Value ($000) $422 Avg Close — Range —