Q4 2018 Investor Presentation

> What is Chronic Obstructive Pulmonary Disease (COPD)? COPD is a serious lung disease that over time, makes it hard to breathe The leading cause of COPD is smoking Other causes include: second hand smoke • pollution • occupational exposure to noxious gases • a history of childhood infections (could be a catalyst) genetic inheritance, leading to its onset © 2018 ResMed | Q4 2018 Investor Presentation | 21 ResMed

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