exhibit 2. 1 18 january 2021 schulke & mayr gmbh as seller isp marl holdings gmbh as purchaser ashland industries europe gmbh as purchaser guarantor exhibit 2. 1 18 january 2021 schulke & mayr gmbh as seller isp marl holdings gmbh as purchaser ashland industries europe gmbh as purchaser guarantor master asset purchase agreement regarding the acquisition of the personal care business of schulke & mayr gmbh