Commerce Commission Winstone Wallboards proceedings

Commerce Commission Winstone Wallboards proceedings Auckland, 1 November 2024: Fletcher Building Limited (FBU) acknowledges the Commerce Commission’s legal proceedings against Winstone Wallboards have been filed with the High Court, seeking declarations that Winstone Wallboards contravened the Commerce Act in relation to its historical use of volume rebates, together with associated civil pecuniary penalties. FBU has previously advised of the Commission’s intention to file these legal proceedings in its announcement of 23 August 2024. For the reasons set out in its prior announcement, Winstone Wallboards intends to vigorously defend the Commerce Commission’s proceedings, and notes that they could take some time to resolve. ENDS Authorised by: Haydn Wong Company Secretary For further information please contact: MEDIA Christian May General Manager – Corporate Affairs +64 21 305 398 Christian.May@fbu.com INVESTORS AND ANALYSTS Aleida White Head of Investor Relations +64 21 155 8837 Aleida.White@fbu.com