WESTPORT FUEL SYSTEMS INC

CUSIP: 960908309 Class: COM NEW

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

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

Q3 2011
Shares 41,700 Value ($000) $1,206 Avg Close — Range —
Q2 2011
Shares 41,700 Value ($000) $1,002 Avg Close — Range —
Q1 2011
Shares 67,900 Value ($000) $1,492 Avg Close — Range —