ALCOA INC

CUSIP: 013817101 Class: COM

Chesley Taft & Associates LLC's Holding History (CIK: 0001164632)

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

Q3 2015
Shares 10,156 Value ($000) $98 Avg Close — Range —
Q2 2015
Shares 15,156 Value ($000) $169 Avg Close — Range —
Q1 2015
Shares 15,156 Value ($000) $196 Avg Close — Range —
Q4 2014
Shares 15,156 Value ($000) $239 Avg Close — Range —
Q3 2014
Shares 15,156 Value ($000) $244 Avg Close — Range —
Q2 2014
Shares 15,156 Value ($000) $226 Avg Close — Range —
Q1 2014
Shares 15,156 Value ($000) $195 Avg Close — Range —
Q4 2013
Shares 15,156 Value ($000) $161 Avg Close — Range —
Q3 2013
Shares 15,156 Value ($000) $123 Avg Close — Range —
Q2 2013
Shares 15,368 Value ($000) $120 Avg Close — Range —