Exhibit 99.1 Joint Filer Information Name of Joint Filer: The Dow Chemical Company Address of Joint Filer: 2030 Dow Center, Midland, Michigan 48674 Relationship of Joint Filer to Issuer: 10% Owner Issuer Name and Ticker or Trading Symbol: AgroFresh Solutions, Inc. [AGFS] Date of Earliest Transaction Required to be Reported (Month/Day/Year): 12/26/2017 Designated Filer: DowDuPont Inc.