On September 17, 2026, Viant Technology Inc. (the "Company") announced that the Company and a stockholder of the Company have determined not to proceed with the previously announced underwritten public offering of 8,500,000 shares of the Company’s Class A common stock to be sold by the stockholder, together with the related 30-day option granted to the underwriters to purchase up to 1,275,000 additional shares of Class A common stock from the Company. The decision to withdraw the offering was made in light of current market conditions. The Company does not intend to file a final prospectus supplement with the Securities and Exchange Commission in connection with the offering, and no shares of Class A common stock were sold in the offering. No shares of Class A common stock have been sold or will be sold pursuant to the offering.