James Hardie Half-Year Report 2024

Second Quarter Fiscal Year 2024 Highlights, Compared to Second Quarter Fiscal Year 2023, as
applicable:

• Global Net Sales of US$998.8 Million
• Record Global Adjusted EBITDA of US$285.5 Million, with an Adjusted EBITDA margin of 28.6%
• Record Global Adjusted EBIT of US$240.0 Million, with an Adjusted EBIT margin of 24.0%
• Record Adjusted Net Income of US$178.9 Million, up 2%
• Adjusted Diluted EPS of US$0.41 per share, up 3%
• Record First Half Operating Cash Flow of US$459.1 Million, up 74%