Diploma Results Presentation Deck

22 Diploma PLC Half Year 2022 Results Life Sciences Revenue £87.1m -7% underlying -2% y/y Operating profit £19.6m Margin: 22.5% -8% y/y -150bps Underlying revenue: +2% excluding 2021 one-off COVID-related revenue • Canadian/Australian lockdowns affected 2022 • Not yet seeing catch-up in surgical backlog Strength in diagnostics Expect return to growth during H2 ● ● Margin -150bps: Very high margin maintained • H1 2021 benefited from one-off COVID- related sales ● Controlled return of variable costs post- pandemic DIPLOMA PLC

View entire presentation