SMITH INTL

CUSIP: 832110100 Class: COM

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

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

Q1 2010
Shares 20,400 Value ($000) $874 Avg Close — Range —
Q4 2009
Shares 27,000 Value ($000) $734 Avg Close — Range —
Q3 2009
Shares 26,800 Value ($000) $769 Avg Close — Range —
Q2 2009
Shares 6,800 Value ($000) $175 Avg Close — Range —
Q1 2009
Shares 6,800 Value ($000) $146 Avg Close — Range —