SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

TEXAS PERMANENT SCHOOL FUND CORP's Holding History (CIK: 0001223779)

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

Q3 2015
Shares 42,587 Value ($000) $5,916 Avg Close — Range —
Q2 2015
Shares 43,481 Value ($000) $6,059 Avg Close — Range —
Q1 2015
Shares 44,711 Value ($000) $6,181 Avg Close — Range —
Q4 2014
Shares 45,287 Value ($000) $6,217 Avg Close — Range —
Q3 2014
Shares 46,208 Value ($000) $6,285 Avg Close — Range —
Q2 2014
Shares 49,544 Value ($000) $5,028 Avg Close — Range —
Q1 2014
Shares 52,435 Value ($000) $4,896 Avg Close — Range —
Q4 2013
Shares 55,409 Value ($000) $5,209 Avg Close — Range —
Q3 2013
Shares 59,822 Value ($000) $5,103 Avg Close — Range —
Q2 2013
Shares 61,747 Value ($000) $4,962 Avg Close — Range —
Q1 2013
Shares 63,683 Value ($000) $4,947 Avg Close — Range —