AMEREN CORP

CUSIP: 02360810 Class: COM

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q3 2016
Shares 1,243,406 Value ($000) $61,151 Avg Close — Range —
Q2 2016
Shares 1,784,147 Value ($000) $95,595 Avg Close — Range —
Q1 2016
Shares 1,252,946 Value ($000) $62,773 Avg Close — Range —
Q2 2014
Shares 1,126,415 Value ($000) $46,048 Avg Close — Range —
Q1 2014
Shares 465,576 Value ($000) $19,182 Avg Close — Range —
Q3 2013
Shares 306,955 Value ($000) $10,694 Avg Close — Range —
Q2 2013
Shares 250,440 Value ($000) $8,625 Avg Close — Range —