https://corporate.exxonmobil.com/en/community/sustainability-report/corporate-governance/board-leadership#https://corporate.exxonmobil.com/en/community/sustainability-report/corporate-governance/policy-engagement https://cdn.exxonmobil.com/~/media/global/files/investor-reports/2017/2017_proxy_statement.pdf 122017 Sustainability Report Highlights Safety, health and the workplace Safety is a core value at ExxonMobil.