Wellington Management boosts holding in James Hardie

Wellington Management Group LLP has increased its substantial holding in James Hardie Industries plc, acquiring additional shares through regular trading. As of September 5, 2025, Wellington Management Group LLP's interest in the company rose to 46,745,136 shares from 46,294,184 shares previously.

This change was reported to James Hardie on September 8, 2025, and includes depositary receipts (CHESS units of foreign securities) and ordinary shares. Cede & Co. is listed as the registered holder for these shares. The acquisition of shares did not arise from an agreement referred to in Section 1055 of the Companies Act 2014 of Ireland.