KOMATSU LTD

Ticker: KMTUY CUSIP: 500458401 Class: ADR

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

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

Q4 2010
Shares 41,000 Value ($000) $1,242 Avg Close — Range —
Q1 2010
Shares 40,800 Value ($000) $856 Avg Close — Range —
Q4 2009
Shares 10,100 Value ($000) $839 Avg Close — Range —
Q3 2009
Shares 10,100 Value ($000) $759 Avg Close — Range —
Q2 2009
Shares 10,000 Value ($000) $619 Avg Close — Range —
Q1 2009
Shares 11,225 Value ($000) $487 Avg Close — Range —