DU PONT E I DE NEMOURS & CO

CUSIP: 263534109 Class: COM

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

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

Q2 2017
Shares 77,057 Value ($000) $6,219 Avg Close — Range —
Q1 2017
Shares 78,606 Value ($000) $6,314 Avg Close — Range —
Q4 2016
Shares 81,405 Value ($000) $5,975 Avg Close — Range —
Q3 2016
Shares 82,054 Value ($000) $5,495 Avg Close — Range —
Q2 2016
Shares 85,464 Value ($000) $5,538 Avg Close — Range —
Q1 2016
Shares 85,463 Value ($000) $5,412 Avg Close — Range —
Q4 2015
Shares 90,997 Value ($000) $6,060 Avg Close — Range —
Q3 2015
Shares 92,840 Value ($000) $4,475 Avg Close — Range —
Q2 2015
Shares 98,238 Value ($000) $6,282 Avg Close — Range —
Q1 2015
Shares 160,520 Value ($000) $11,472 Avg Close — Range —
Q4 2014
Shares 225,339 Value ($000) $16,662 Avg Close — Range —
Q3 2014
Shares 220,047 Value ($000) $15,791 Avg Close — Range —
Q2 2014
Shares 217,242 Value ($000) $14,216 Avg Close — Range —
Q1 2014
Shares 212,974 Value ($000) $14,291 Avg Close — Range —
Q4 2013
Shares 202,473 Value ($000) $13,155 Avg Close — Range —
Q3 2013
Shares 184,048 Value ($000) $10,778 Avg Close — Range —
Q2 2013
Shares 26,548 Value ($000) $1,394 Avg Close — Range —