SIGMA DESIGNS INC

CUSIP: 826565103 Class: COM

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

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

Q1 2013
Shares 10,000 Value ($000) $49 Avg Close — Range —
Q4 2012
Shares 10,000 Value ($000) $52 Avg Close — Range —
Q3 2012
Shares 10,000 Value ($000) $66 Avg Close — Range —
Q2 2012
Shares 10,000 Value ($000) $64 Avg Close — Range —
Q1 2012
Shares 10,000 Value ($000) $52 Avg Close — Range —
Q4 2011
Shares 10,000 Value ($000) $60 Avg Close — Range —
Q3 2011
Shares 210,000 Value ($000) $1,646 Avg Close — Range —
Q2 2011
Shares 210,000 Value ($000) $1,604 Avg Close — Range —
Q1 2011
Shares 206,000 Value ($000) $2,668 Avg Close — Range —
Q4 2010
Shares 206,000 Value ($000) $2,919 Avg Close — Range —
Q1 2010
Shares 156,000 Value ($000) $1,830 Avg Close — Range —
Q4 2009
Shares 156,000 Value ($000) $1,669 Avg Close — Range —
Q3 2009
Shares 156,000 Value ($000) $2,267 Avg Close — Range —
Q2 2009
Shares 156,000 Value ($000) $2,502 Avg Close — Range —
Q1 2009
Shares 106,000 Value ($000) $1,319 Avg Close — Range —