Investor Presentaiton

14| Notes to Non-GAAP Financial Measures RECONCILIATION OF NON-GAAP MEASURES (UNAUDITED) See "Notes to Non-GAAP Financial Measures" (Slide 12-14), "Cautionary Statement" (Slide 2) and West's Q1 2018 press release for an explanation and reconciliation of these items. Reconciliation of Reported-Diluted EPS Guidance to Adjusted-Diluted EPS guidance Reported-diluted EPS guidance Restructuring and related charges Tax law changes Adjusted-diluted EPS guidance Full Year 2018 Guidance (1) (2) $2.66 to $2.81 0.08 to 0.13 0.01 $2.80 to $2.90 (1) Please refer to "Notes to Non-GAAP Financial Measures" on slides 12-14, and "Non-GAAP Financial Measures" in West's Q1 2018 press release, for additional information regarding adjusted diluted EPS. (2) Guidance includes various currency exchange rate assumptions, most significantly the euro at $1.20 for the remainder of 2018. Actual results will vary as a result of exchange rate variability. West

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