CALCULATION OF REGISTRATION FEE a Maximum Aggregate Amount of Securities Offered Offering Price Registration Fee 3.550% InterNotes® Due March 15, 2051 $3,130,000 $341.48                Filed under 424(b)(2), Registration Statement No. 333-232862-01                Pricing Supplement No. 46—Dated Monday, March 15, 2021 (To: Prospectus Dated July 26, 2019, and Prospectus Supplement Dated July 26, 2019) CUSIP Principal    Gross Net Coupon Coupon Maturity 1st Coupon 1st Coupon Survivor’s Product Number Amount Selling Price Concession Proceeds Rate Frequency Date Date Amount Option Ranking 26054L2E2 $3,130,000.00 100% 3.150% $3,031,405.00 3.550% Semi-Annual 03/15/2051 09/15/2021 $17.45 Yes Senior Unsecured Notes Redemption Information: Callable at 100.000% on 9/15/2021 and any time thereafter. Joint Lead Managers and Lead Agents: Incapital LLC Agents: Citigroup, Morgan Stanley, Wells Fargo Advisors This tranche of The Dow Chemical Company InterNotes will be subject to redemption at the option of The Dow Chemical Company, in whole or in part, on the interest payment date occurring on 09/15/2021 and any time thereafter at a redemption price equal to 100% of the principal amount of such The Dow Chemical Company InterNotes plus accrued interest thereon, if any, upon not less than 10 nor more than 60 days prior notice to the noteholder and the trustee, as described in the prospectus. Investment advisers purchasing for the account of their advisory clients and selected dealers purchasing on an agency basis or for their own accounts on a principal or riskless principal basis, may be offered Notes at a 2.4000% discount to the public offering rate. Notes purchased by selected dealers in level-fee and retirement accounts may be sold to such accounts at a discount up to 2.4000% to the public offering price, thereby not retaining any portion of the discount as compensation. Trade Date: Monday, March 15, 2021 @ 12:00 PM ET The Dow Chemical Company Settle Date: Thursday, March 18, 2021 Minimum Denomination/Increments: $1,000.00/$1,000.00 The Dow Chemical Company InterNotes Initial trades settle flat and clear SDFS: DTC Book Entry only DTC Number 0235 via RBC Dain Rauscher Inc The Dow Chemical Company If the maturity date or an interest payment date for any note is not a business day (as such term is defined in prospectus), 2211 H.H. Dow Way principal and premium, if any, and interest for that note is paid on the next business day, and no further such interest will accrue from, and including, the maturity date or such interest payment date. Midland, Michigan 48674 Legal Matters: In the opinion of Jonathan Wendt, Managing Counsel and Assistant Secretary, of The Dow Chemical Company (the “Company”), the notes offered by this pricing supplement have been duly authorized, and when executed and issued by the Company, authenticated by the Trustee pursuant to the Indenture, and delivered against payment as contemplated herein, such notes will be legal, valid and binding obligations of the Company, enforceable against the Company in accordance with their terms and entitled to the benefits of the Indenture (subject to applicable bankruptcy, reorganization, insolvency, moratorium or other laws affecting creditors’ rights generally from time to time in effect and to general principles of equity). This opinion is given as of the date hereof and is limited to the law of the State of New York and the General Corporation Law of the State of Delaware as in effect on the date hereof. In addition, this opinion is subject to the same assumptions and qualifications stated in the letter of such counsel dated May 12, 2020, filed in the Company’s Current Report on Form 8-K dated May 12, 2020 and incorporated by reference as Exhibit 5.1 to the Company’s registration statement on Form S-3 ASR (File No. 333-232862-01). InterNotes® is a registered trademark of Incapital Holdings LLC. All Rights Reserved.