Preliminary Second Quarter Results

• Siding & Trim sales exceeded expectations, with low single-digit organic net sales decline
• AZEK performed well, with mid-single digit growth in Deck, Rail & Accessories
• Synergy capture initiatives and shelf space expansion opportunities on track

James Hardie Industries plc announced preliminary expected financial results for the fiscal second quarter ended September 30th, 2025. The company's Siding & Trim sales performance exceeded expectations, with a low single-digit organic net sales decline versus the prior year. Distributors and dealers reduced inventory less than anticipated, demonstrating the importance of James Hardie's brand and partnerships. The company is encouraged by the second quarter results and believes the outlook for Siding & Trim has modestly improved. The integration of AZEK and synergy capture initiatives remain on-track, with AZEK performing well in the second quarter, posting mid-single digit growth in both net sales and sell-through for Deck, Rail & Accessories versus the prior year. James Hardie sees clear opportunities to secure incremental shelf space for its Deck, Rail & Accessories products and expand Siding & Trim into AZEK's dealer network, which the company believes will drive commercial synergies next fiscal year. The company will provide an update to its full year guidance during the Q2 earnings call in November.

Preliminary Q2 FY26 results: Net Sales $1.29 to 1.30 billion, Adjusted EBITDA $326 to 331 million, Adjusted Net Income $151 to 157 million, Adjusted Diluted EPS $0.26 to 0.27. Net Debt as of September 30th, 2025 was $4.5 billion.

The company is encouraged by its second quarter results and believes the outlook for Siding & Trim has modestly improved. The integration of AZEK and synergy capture initiatives remain on-track, and the company sees clear opportunities to secure incremental shelf space for its Deck, Rail & Accessories products and expand Siding & Trim into AZEK's dealer network.