Investor Presentaiton

Strong Post-Acquisition Performance from Newport Newport, now our Light and Motion ($M) © O O O 0 © © O L&M Revenue Division, has experienced a 34% increase in quarterly revenues • Since closing, L&M has delivered a 206% increase in quarterly non- GAAP operating income on a pro forma basis • Synergy expectations for the Newport acquisition were revised upward from $35 million to $40 million two years post-acquisition $151 Q2'16 $202 Q4'18 34% L&M Non-GAAP Operating Income ($M) $16 $49 206% ••mks MKS PROPRIETARY Q2'16 Q4'18 30

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