Rio Tinto - exploration update

27 February 2019

On 27 February 2019 Rio Tinto announced to the Australian Securities Exchange (ASX) that it has identified copper-gold mineralisation at the Winu project in the Yeneena Basin of the Paterson Province in Western Australia.

This announcement was made in accordance with the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves, 2012 (JORC Code) and the ASX Listing Rules.

A copy of the full announcement is available on Rio Tinto's website at http://www.riotinto.com/media/media-releases.