SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

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

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

Q4 2013
Shares 1,720 Value ($000) $162 Avg Close — Range —
Q3 2013
Shares 1,810 Value ($000) $154 Avg Close — Range —
Q2 2013
Shares 1,720 Value ($000) $138 Avg Close — Range —
Q1 2013
Shares 1,180 Value ($000) $92 Avg Close — Range —
Q4 2012
Shares 2,934 Value ($000) $216 Avg Close — Range —
Q3 2012
Shares 1,794 Value ($000) $129 Avg Close — Range —
Q2 2012
Shares 1,819 Value ($000) $134 Avg Close — Range —
Q1 2012
Shares 1,819 Value ($000) $133 Avg Close — Range —
Q1 2010
Shares 5,100 Value ($000) $274 Avg Close — Range —
Q4 2009
Shares 5,100 Value ($000) $258 Avg Close — Range —
Q3 2009
Shares 5,100 Value ($000) $275 Avg Close — Range —
Q2 2009
Shares 5,100 Value ($000) $253 Avg Close — Range —
Q1 2009
Shares 3,100 Value ($000) $117 Avg Close — Range —