definiens: shall mean the total aggregate quantities ofSUBSTANCE ( in kg . ) delivered to MERCK, its AFFILIATES and/or its THIRD PARTY SUPPLIERSby CODEXIS on or after [ * * * ], 20[***].”1.02Section 1.10.2 is added as follows : shall mean each of the CumulativeSubstance Purchase Volume Tier(s ) specified in ATTACHMENT 3, SUBSTANCE PRICE / VOLUMETABLE 2.”1.03Section 2.1.3 shall be amended to read in its entirety as follows:“Beginning January 1, 2018, MERCK, its AFFILIATES, and its THIRD PARTY SUPPLIER have theright to purchase up to and including [ * * * ] % of SUBSTANCE demand directly from a directSUBSTANCE MANUFACTURER