582017 INTEGRATED REPORT

RATINGS BY EXTRA-FINANCIAL RATING AGENCIES

SUEZ IS A FIXTURE IN THE MOST PRESTIGIOUS INDICES

1st Sustainable Development Roadmap

(2008-2012)

Included in the Dow Jones Sustainability

Index (DJSI)

Included in the Ethibel and ASPI indices

Included in the FTSE4Good index

2nd Sustainable Development Roadmap

(2012-2016)

DJSI Bronze Class member

DJSI Silver Class member

3rd Sustainable Development

Roadmap (2017-2021)

Science Based Targets

2008 2009 2010 2011 2012 2015 2016 2017

All rating are 100 unless otherwise noted. 1- Rating downgrade resulting from a change in methodology 2- Change in methodology. A = maximum score

RATING AGENCY INDEXES SUEZ SCORE

2010 2011 2012 2013 2014 2015 2016 2017

71 77 84 801 80 79 82 82

B "prime" B "prime" B "prime" B-"prime" B "prime"

56 59 58 66

99 90 85

74 84 84 88 95 99 A2 A

82.2 83

60 68