SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

Employees Retirement System of Texas's Holding History (CIK: 0001398739)

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

Q3 2015
Shares 8,000 Value ($000) $1,111 Avg Close — Range —
Q2 2015
Shares 8,200 Value ($000) $1,143 Avg Close — Range —
Q1 2015
Shares 8,200 Value ($000) $1,134 Avg Close — Range —
Q4 2014
Shares 8,000 Value ($000) $1,098 Avg Close — Range —
Q3 2014
Shares 21,000 Value ($000) $2,856 Avg Close — Range —
Q2 2014
Shares 22,000 Value ($000) $2,233 Avg Close — Range —
Q1 2014
Shares 162,000 Value ($000) $15,128 Avg Close — Range —
Q4 2013
Shares 15,000 Value ($000) $1,410 Avg Close — Range —
Q3 2013
Shares 15,000 Value ($000) $1,280 Avg Close — Range —
Q2 2013
Shares 15,000 Value ($000) $1,205 Avg Close — Range —