definiens: or cash shall mean U.S. dollars ; ( v ) the word and words of similar import whenused in this Agreement shall mean unless 73 otherwise specified ; ( vi ) the word shall not be exclusive ; ( vii ) references to or include inelectronic form ; ( viii ) provisions shall apply, when appropriate, to successive events and transactions ; ( ix ) Sellers andPurchasers have each participated in the negotiation and drafting of this Agreement and if an ambiguity or question ofinterpretation should arise, this Agreement shall be construed as if drafted jointly by the Parties hereto and nopresumption or burden of proof shall arise favoring or burdening any Party by virtue of the authorship of any of theprovisions in this Agreement ; ( x ) a reference to any Person includes such Person ’s successors and permittedassigns ; ( xi ) any reference to shall mean calendar days unless Business Days are expressly specified ; and(xii ) when calculating the period of time before which, within which or following which any act is to be done or steptaken pursuant to this Agreement, the date that is the reference date in calculating such period shall be excluded andif the last day of such period is not a Business Day, the period shall end at the close of business on the nextsucceeding Business Day