Type	Name	Date
Indenture	Indenture, among Versum Materials, Inc., the guarantors named therein and Wells Fargo Bank, National Association, as trustee	10/04/2016
Credit agreement	Credit Agreement, among Versum Materials, Inc., the lenders from time to time party thereto and Citibank, N.A., as administrative agent, collateral agent, swingline lender and an L/C issuer	10/04/2016

Type	Name	Date
Merger agreement	Agreement and Plan of Merger, by and among Versum Materials, Inc., Merck KGaA and EMD Performance Materials Holding, Inc.†	04/12/2019
Merger agreement	Agreement and Plan of Merger, by and among Versum Materials, Inc. and Entegris, Inc.†	01/29/2019