Investor Presentaiton

Strong Balance Sheet Supports Growth ROBUST FREE CASH FLOW (2) GENERATION (in millions) SIGNIFICANT о о о ° 0 0 о о C DELEVERAGING ACHIEVED $64 FY13 448% increase $89 $126 FY14 FY15 $161 3.0 $351 $324 FY16 FY17 FY18 4/16(1) (1) Acquisition of Newport Corporation closed on April 29, 2016. April, June and December 2016 periods are pro forma as if the acquisition of Newport Corporation closed on January 1, 2016. (2) Free Cash Flow equals cash flow from operations less capital expenditures. ••mks MKS PROPRIETARY 2.1 83% REDUCTION IN GROSS LEVERAGE RATIO 0.8 0.5 Q4' 16 Q4' 17 Q4' 18 32

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