Notice of Annual Meeting of Stockholders & Proxy Statement 2021 Notice of Annual Meeting of Stockholders Dear Dow Inc. Stockholder, You are invited to attend the 2021 Annual Meeting of Stockholders of Dow Inc. (the “2021 Meeting”) online at www.virtualshareholdermeeting.com/DOW2021. At the 2021 Meeting, stockholders will vote on the following matters either by proxy or in person: Agenda Item 1: Election of the Directors named in the Proxy Statement 2: Advisory Resolution to Approve Executive Compensation 3: Approval of the Amendment to the 2019 Stock Incentive Plan 4: Approval of the 2021 Employee Stock Purchase Plan 5: Ratification of the Appointment of Deloitte & Touche LLP as the Company’s Independent Registered Public Accounting Firm for 2021 6: Stockholder Proposal, if properly presented 7: Transaction of any other business as may properly come before the 2021 Meeting Meeting Date Record Date Meeting Time Thursday, April 15, 2021 Monday, February 22, 2021 8:00 AM Eastern Time Virtual Meeting www.virtualshareholdermeeting.com/DOW2021 How to Vote in Advance of the 2021 Meeting Your vote is important. We encourage you to vote in advance, even if you plan to attend the 2021 Meeting online. To vote online or by phone, you will need to use your 16-digit control number found on the Notice of Internet Availability of Proxy Materials, the proxy card or the voting instruction form. www.proxyvote.com 1-800-690-6903 or the number provided on your voting instructions Use the postage-paid envelope provided if you received printed proxy materials i 2021 PROXY STATEMENT Notice of Annual Meeting of Stockholders The Board of Directors of Dow Inc. (the “Board”) has set the close of business on February 22, 2021, as the record date for determining stockholders who are entitled to receive notice of and to vote at the 2021 Meeting and any adjournment or postponement thereof. As permitted by the SEC rules, proxy materials were made available via the internet. Notice regarding availability of proxy materials and instructions on how to access those materials were mailed to certain stockholders of record on or about March 5, 2021 (the “Notice of Internet Availability of Proxy Materials”). The Notice of Internet Availability of Proxy Materials included how to vote and how to request a paper copy of the proxy materials. This method of notice and access gives the Company a low-cost way to furnish stockholders with their proxy materials. If you previously chose to receive proxy materials electronically, you will continue to receive access to these materials via email unless you elect otherwise. How to Attend the 2021 Meeting You are invited to attend the 2021 Meeting online at www.virtualshareholdermeeting.com/DOW2021. Dow is pleased to use the virtual meeting format to facilitate stockholder attendance, voting and questions by leveraging technology to communicate more effectively and efficiently with our stockholders. This format allows stockholders to participate fully from any location, without the cost of travel. To participate in the 2021 Meeting, you must be a stockholder of record and log in with your 16-digit control number found on the Notice of Internet Availability of Proxy Materials, the proxy card or the voting instruction form. Whether or not you participate in the 2021 Meeting online, it is important that your shares are included in the voting process. If you are a beneficial stockholder, please follow the instructions on the voting instruction form provided by your bank or broker or other nominee to attend the 2021 Meeting online. Please contact your bank or broker if you have questions about how to obtain your control number. Interested persons may also access the 2021 Meeting as guests, but may not vote or ask questions during the 2021 Meeting. How to Ask Questions Stockholders have multiple opportunities to submit questions to Dow before and during the 2021 Meeting. Stockholders may submit questions in writing in advance of the 2021 Meeting at www.proxyvote.com. Stockholders may submit questions in writing during the 2021 Meeting using the “Ask a Question” field on the virtual meeting website. You will need to log in with your 16-digit control number found on the Notice of Internet Availability of Proxy Materials, the proxy card or the voting instruction form to submit a question. Time has been allocated on the agenda to respond to questions submitted in writing in advance of the 2021 Meeting. Questions submitted in writing during the 2021 Meeting will be answered following the 2021 Meeting and made available promptly at investors.dow.com and remain available for at least one year. Please refer to the 2021 Meeting Rules of Conduct and Procedures for more information on how to ask questions. The Rules of Conduct and Procedures are available at www.proxyvote.com and during the 2021 Meeting at www.virtualshareholdermeeting.com/DOW2021. For more information, see the section titled “Voting and Attendance Procedures” on page vii. ii Notice of Annual Meeting of Stockholders A replay of the 2021 Meeting and a list of answers to stockholder questions received before and during the 2021 Meeting will be made available promptly at investors.dow.com and remain available for at least one year. We encourage you to access the 2021 Meeting early. Online check-in will begin approximately 15 minutes before the 8:00 AM start time. If you encounter difficulties during check-in or meeting time, we have technicians available to help you. The technical support contact information will be posted on the virtual meeting login page. Thank you for your continued support and interest in Dow. Amy E. Wilson General Counsel and Corporate Secretary March 5, 2021 IMPORTANT NOTICE REGARDING THE AVAILABILITY OF PROXY MATERIALS FOR THE STOCKHOLDERS MEETING TO BE HELD ON APRIL 15, 2021 The Notice of Internet Availability of Proxy Materials, Proxy Statement and Annual Report are available at www.proxyvote.com. iii 2021 PROXY STATEMENT Cautionary Statement about Forward-Looking Statements Certain statements in this Proxy Statement are “forward-looking statements” within the meaning of the federal securities laws, including Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Such statements often address expected future business and financial performance, financial condition, and other matters, and often contain words or phrases such as “anticipate,” “believe,” “estimate,” “expect,” “intend,” “may,” “opportunity,” “outlook,” “plan,” “project,” “seek,” “should,” “strategy,” “target,” “will,” “will be,” “will continue,” “will likely result,” “would” and similar expressions, and variationsor negatives of these words or phrases. Forward-looking statements are based on current assumptions and expectations of future events that are subject to risks, uncertainties and other factors that are beyond Dow’s control, which may cause actual results to differ materially from those projected, anticipated or implied in the forward-looking statements and speak only as of the date the statements were made. These factors include, but are not limited to: sales of Dow’s products; Dow’s expenses, future revenues and profitability; the continuing global and regional economic impacts of the coronavirus disease 2019 (“COVID-19”) pandemic and other public health-related risks and events on Dow’s business; capital requirements and need for and availability of financing; size of the markets for Dow’s products and services and ability to compete in such markets; failure to develop and market new products and optimally manage product life cycles; the rate and degree of market acceptance of Dow’s products; significant litigation and environmental matters and related contingencies and unexpected expenses; the success of competing technologies that are or may become available; the ability to protect Dow’s intellectual property in the United States and abroad; developments related to contemplated restructuring activities and proposed divestitures or acquisitions such as workforce reduction, manufacturing facility and/or asset closure and related exit and disposal activities, and the benefits and costs associated with each of the foregoing; fluctuations in energy and raw material prices; management of process safety and product stewardship; changes in relationships with Dow’s significant customers and suppliers; changes in consumer preferences and demand; changes in laws and regulations, political conditions or industry development; global economic and capital markets conditions, such as inflation, market uncertainty, interest and currency exchange rates, and equity and commodity prices; business or supply disruptions; security threats, such as acts of sabotage, terrorism or war; weather events and natural disasters; and disruptions in Dow’s information technology networks and systems. Risks related to Dow’s separation from DowDuPont Inc. include, but are not limited to: (i) Dow’s inability to achieve some or all of the benefits that it expects to receive from the separation from DowDuPont Inc.; (ii) certain tax risks associated with the separation; (iii) the failure of Dow’s pro forma financial information to be a reliable indicator of Dow’s future results; (iv) non-compete restrictions under the separation agreement; (v) receipt of less favorable terms in the commercial agreements Dow entered into with DuPont and Corteva, Inc. (“Corteva”), including restrictions under intellectual property cross-license agreements, than Dow would