SM Energy Co

CUSIP: 792228108 Class: COM

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

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

Q1 2010
Shares 22,500 Value ($000) $783 Avg Close — Range —
Q4 2009
Shares 12,500 Value ($000) $428 Avg Close — Range —
Q3 2009
Shares 12,500 Value ($000) $406 Avg Close — Range —
Q2 2009
Shares 12,500 Value ($000) $261 Avg Close — Range —
Q1 2009
Shares 9,500 Value ($000) $126 Avg Close — Range —