2018 Guide to Effective Proxies

2.1 Document cover | 19 6 TH EDITION | GUIDE TO EFFECTIVE PROXIES MICROSOFT CORPORATION MONSANTO COMPANY MSA SAFETY, INC. NASDAQ, INC. Notice of Annual Shareholders Meeting and Proxy Statement 2017 November 29, 2017 8:00 a.m. Pacific Time Meydenbauer Center 11100 NE 6th Street Bellevue, Washington 98004 Notice of Annual Meeting of Shareowners and 2017 Proxy Statement December21,2017 NoticeofAnnualMeetingofShareownersand2017ProxyStatementDecemberXX,2017MONSANTO NOTICE OF 2018 ANNUAL MEETING OF STOCKHOLDERS AND PROXY STATEMENT Tuesday, April 24, 2018 8:30 a.m. (EDT) Nasdaq MarketSite Four Times Square New York, NY 10036 2018 Proxy Statement YOUR VOTE IS IMPORTANT Pleasevotebyusingtheinternet,telephone,smartphone orbysigning,datingandreturningtheenclosedproxycard