DOWDUPONT INC

CUSIP: 26078j100 Class: COM

BERKSHIRE ASSET MANAGEMENT LLC/PA's Holding History (CIK: 0000949012)

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

Q1 2019
Shares 17,110 Value ($000) $912 Avg Close — Range —
Q4 2018
Shares 17,142 Value ($000) $917 Avg Close — Range —
Q3 2018
Shares 17,130 Value ($000) $1,102 Avg Close — Range —
Q2 2018
Shares 13,111 Value ($000) $864 Avg Close — Range —
Q1 2018
Shares 12,721 Value ($000) $810 Avg Close — Range —
Q4 2017
Shares 10,193 Value ($000) $726 Avg Close — Range —
Q3 2017
Shares 5,230 Value ($000) $362 Avg Close — Range —