Cabot Corporation entered into an underwriting agreement on August 12, 2026, to issue and sell $350 million aggregate principal amount of 4.950% notes due in 2029. The offering is registered under an automatically effective shelf registration statement filed on December 15, 2023. Citigroup Global Markets Inc., J.P. Morgan Securities LLC, PNC Capital Markets LLC, and U.S. Bancorp Investments Inc. are acting as representatives of the underwriters. Closing is expected around August 21, 2026, subject to customary conditions. Issuance expenses excluding underwriting discounts total approximately $1.08 million. Cabot Corporation operates in the specialty chemicals industry, producing carbon black and other advanced materials.