DU PONT E I DE NEMOURS & CO

CUSIP: 263534109 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q1 2017
Shares 11,373 Value ($000) $914 Avg Close — Range —
Q4 2016
Shares 8,693 Value ($000) $638 Avg Close — Range —
Q3 2016
Shares 10,482 Value ($000) $702 Avg Close — Range —
Q2 2016
Shares 32,965 Value ($000) $2,136 Avg Close — Range —
Q1 2016
Shares 15,820 Value ($000) $1,002 Avg Close — Range —
Q3 2014
Shares 100 Value ($000) $7 Avg Close — Range —
Q2 2014
Shares 300 Value ($000) $20 Avg Close — Range —
Q1 2014
Shares 2,000 Value ($000) $134 Avg Close — Range —
Q2 2013
Shares 500 Value ($000) $26 Avg Close — Range —