Q4 2018 Investor Presentation

COPD is a Large and Growing Market . • COPD is the third leading cause of death worldwide¹ . . More than 380 million people worldwide are estimated to have COPD² - Largely undiagnosed COPD sufferers in high-growth markets such as China, India, Brazil and E. Europe may be well over 100 million³ Cost to healthcare systems from COPD is enormous: - Europe: - 48 billion per year4 US: ~$50 billion per year5 • More than 3 million people worldwide die each year due to COPD6 1World Health Organization. The top 10 causes of death: Fact sheet: No310 (2014, May) accessed 20Jul16 2 Ferkol T et al. Annals ATS 2014 3 Company estimates based on World Health Organization estimates and Zhong et al. "Prevalence of Chronic Obstructive Pulmonary Disease in China" Respiratory and Critical Care 4 European Respiratory Society, European Lung White Book http://www.erswhitebook.org/chapters/the-economic-burden-of-lung-disease/accessed 20Jul16 5 Guarascio et al. Dove Med Press, 2013 Jun 17 6 World Health Organization. Chronic obstructive pulmonary disease (COPD): Fact sheet No315. 2015 accessed 20Jul16 © 2018 ResMed | Q4 2018 Investor Presentation | 22 ResMed

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