DOWDUPONT INC

CUSIP: 26078J100 Class: COM

American Investment Services, Inc.'s Holding History (CIK: 0001369913)

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

Q1 2019
Shares 3,842 Value ($000) $205 Avg Close — Range —
Q4 2018
Shares 3,842 Value ($000) $205 Avg Close — Range —
Q3 2018
Shares 4,224 Value ($000) $272 Avg Close — Range —
Q2 2018
Shares 3,842 Value ($000) $253 Avg Close — Range —
Q1 2018
Shares 3,842 Value ($000) $245 Avg Close — Range —
Q4 2017
Shares 4,041 Value ($000) $288 Avg Close — Range —
Q3 2017
Shares 4,041 Value ($000) $280 Avg Close — Range —