SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

Boston Trust Walden Corp's Holding History (CIK: 0001534866)

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

Q3 2015
Shares 4,475 Value ($000) $622 Avg Close — Range —
Q2 2015
Shares 7,413 Value ($000) $1,033 Avg Close — Range —
Q1 2015
Shares 42,789 Value ($000) $5,916 Avg Close — Range —
Q4 2014
Shares 278,720 Value ($000) $38,260 Avg Close — Range —
Q3 2014
Shares 624,922 Value ($000) $84,995 Avg Close — Range —
Q2 2014
Shares 640,631 Value ($000) $65,011 Avg Close — Range —
Q1 2014
Shares 664,079 Value ($000) $62,012 Avg Close — Range —
Q4 2013
Shares 660,049 Value ($000) $62,051 Avg Close — Range —
Q3 2013
Shares 667,940 Value ($000) $56,976 Avg Close — Range —
Q2 2013
Shares 661,610 Value ($000) $53,206 Avg Close — Range —