NORDIC AMERICAN TANKERS LIMI

Ticker: NAT CUSIP: G65773106 Class: Common Stock

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

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

Q4 2012

Shares 27,500 Value ($000) $241 Avg Close — Range —

Q3 2012

Shares 27,500 Value ($000) $277 Avg Close — Range —

Q1 2010

Shares 5,200 Value ($000) $157 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2012	27,500	$241	—	—
Q3 2012	27,500	$277	—	—
Q1 2010	5,200	$157	—	—