SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

MCDANIEL TERRY & CO's Holding History (CIK: 0001104366)

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

Q1 2015
Shares 164,215 Value ($000) $22,703 Avg Close — Range —
Q4 2014
Shares 165,680 Value ($000) $22,743 Avg Close — Range —
Q3 2014
Shares 185,755 Value ($000) $25,265 Avg Close — Range —
Q2 2014
Shares 187,940 Value ($000) $19,072 Avg Close — Range —
Q1 2014
Shares 186,320 Value ($000) $17,399 Avg Close — Range —
Q4 2013
Shares 185,142 Value ($000) $17,405 Avg Close — Range —
Q3 2013
Shares 178,487 Value ($000) $15,225 Avg Close — Range —
Q2 2013
Shares 177,197 Value ($000) $14,250 Avg Close — Range —