X0306 4 2019-02-12 0001666700 DowDuPont Inc. DWDP 0001514396 Ungerleider Howard I C/O THE DOW CHEMICAL COMPANY 2211 H.H. DOW WAY MIDLAND MI 48674 1 Chief Financial Officer Common Stock 2019-02-12 4 F 0 6533.0000 53.3600 D 197806.0000 D Common Stock 2019-02-13 4 M 0 2788.0000 9.5300 A 200594.0000 D Common Stock 2019-02-13 4 F 0 1498.0000 53.1400 D 199096.0000 D Common Stock 423.0719 I By 401(k) Plan Common Stock 2780.1019 I By 401(k) Plan ESOP Common Stock 126856.9183 I By Trust Non-Qualified Stock Option (Right to Buy) 9.5300 2019-02-13 4 M 0 2788.0000 0.0000 D 2019-02-13 Common Stock 2788.0000 0.0000 D Shares withheld pursuant to tax withholding rights under award and option plans in a transaction exempt under Rule 16b-3. Shares used to satisfy withholding taxes on delivery of deferred stock granted February 12, 2016 as previously reported. Granted under The Dow Chemical Company Amended and Restated 1988 Award and Option Plan. The Plan provides for tax withholding rights. The options vested in three annual installments beginning on February 13, 2010. /s/ Howard I Ungerleider 2019-02-14