Investor Presentaiton

Appendix: Reconciliation of Non-GAAP Measures 2017 2016 2015 2014 2013 Diluted EPS Reported (GAAP) $1.99 $1.91 $1.30 $1.75 $1.57 Venezuela deconsolidation 0.15 Venezuela currency devaluation 0.04 Pension settlement charge 0.43 Pension curtailment gain Executive retirement and related costs License costs (0.01) 0.09 0.01 Restructuring and related charges 0.23 Tax law changes 0.64 0.01 0.01 0.02 0.06 Diluted EPS Adjusted (Non-GAAP) $2.78 $2.18 $1.83 $1.78 $1.63 15 | WST Investor Presentation - May/June 2018 West

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