Director's Interests

ANNOUNCEMENT

WPP plc ("WPP")

Director's Interests

WPP was notified on 21 December 2017 of the following security arrangements on part of Sir Martin Sorrell's ownership in ordinary shares in WPP plc ("WPP shares").

On 21 December 2017, following an amendment in the arrangements with HSBC Private Bank Limited ("HSBC"), there has been a reduction in the total number of shares charged as security for facilities made available to Sir Martin by HSBC from 5,102,838 WPP shares to 1,465,000 WPP shares.

At today's date, Sir Martin Sorrell and his family interests are interested in or have rights in 17,940,018 WPP shares (excluding the WPP shares owned by The JMCMRJ Sorrell Foundation) representing 1.412% of the issued share capital of WPP. At today's date, The JMCMRJ Sorrell Foundation is interested in 4,575,936 WPP shares, representing 0.3602% of the issued share capital of WPP.

This announcement is made in accordance with article 19 of MAR.

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