WPP Investor Day Presentation Deck

GROUPM HAS DELIVERED BOTH GROWTH AND MARGIN GROUPM MARGIN VS DIGITAL SHARE OF MEDIA MARKET OPERATING MARGIN 17% 2011 20% 2012 22% 2013 26% 31% 2015 2014 Share of digital in advertising market BASIS OF PREP: Headline OP GroupM excludes GTB, includes Hogarth SOURCE: GroupM 'This Year Next Year' report total advertising spend exc. political advertising in US 35% 2016 40% 2017 -Group M operating margin 46% 2018 52% 2019 60% 50% 40% 30% 20% 10% 0% DIGITAL SHARE OF MEDIA MARKET WPP 13

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