2018 Guide to Effective Proxies

2.1 Document cover | 17 6 TH EDITION | GUIDE TO EFFECTIVE PROXIES LOWE’S COMPANIES MARATHON PETROLEUM CORPORATION MARTIN MARIETTA MATERIALS MASTERCARD, INC. Notice of 2017 Annual Meeting &Proxy Statement Notice of Annual Meeting and Proxy Statement 2018 Wednesday,April 25, 2018 10 a.m. Eastern DaylightTime (EDT) Auditorium Marathon Petroleum Corporation 539 South Main Street Findlay, Ohio 45840 Notice of 2018 Annual Meeting of Stockholders and Proxy Statement 2018 ANNUAL MEETING OF SHAREHOLDERS PROXY STATEMENT