• Significant drop in share price and increase in trading volume
• Reviewing if any undisclosed information could explain recent trading
• Committed to complying with continuous disclosure obligations

James Hardie Industries Plc has received an ASX price query regarding a significant drop in its share price from $29.48 on November 5, 2025 to a low of $24.41 at the time of writing, as well as a significant increase in the volume of its securities traded. In response, the company has been asked to confirm if it is aware of any undisclosed information that could explain the recent trading, and whether it is relying on the exceptions to the continuous disclosure rules to withhold such information. James Hardie has been requested to provide a response as soon as possible, and by no later than 1:00 PM AEDT on Thursday, November 6, 2025. The company has confirmed that it is committed to complying with its continuous disclosure obligations under the ASX Listing Rules, and its responses have been authorized and approved under its published continuous disclosure policy.