ARMSTRONG WORLD INDS

CUSIP: 04247X10 Class: COM

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

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

Q3 2015
Shares 65,400 Value ($000) $3,122 Avg Close — Range —
Q4 2013
Shares 33,661 Value ($000) $1,939 Avg Close — Range —
Q3 2013
Shares 7,127 Value ($000) $392 Avg Close — Range —