DOWDUPONT INC

CUSIP: 26078J100 Class: COM

BOKF, NA's Holding History (CIK: 0000009634)

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

Q1 2019
Shares 157,253 Value ($000) $8,383 Avg Close — Range —
Q4 2018
Shares 132,793 Value ($000) $7,102 Avg Close — Range —
Q3 2018
Shares 123,744 Value ($000) $7,958 Avg Close — Range —
Q2 2018
Shares 130,325 Value ($000) $8,591 Avg Close — Range —
Q1 2018
Shares 221,291 Value ($000) $14,099 Avg Close — Range —
Q4 2017
Shares 231,868 Value ($000) $16,514 Avg Close — Range —
Q3 2017
Shares 233,227 Value ($000) $16,147 Avg Close — Range —