Minerals Technologies Inc

Item 8.01. Other Events. Pricing of Notes Offering On October 1, 2026, Minerals Technologies Inc. (the “Company”) issued a press release announcing the pricing of the previously announced private offering (the “Offering”) of $400 million aggregate principal amount of its 7.500% senior notes due 2032 (the “Notes”) in a transaction exempt from registration under the Securities Act of 1933, as amended (the “Securities Act”), a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference. The Offering is expected to close on October 13, 2026, subject to customary closing conditions. In connection with the Offering, the Company expects to amend its credit agreement (the “Credit Agreement Amendment”) to, among other things, increase the size of the revolving credit facility to $500.0 million and extend the maturity date of the revolving credit facility to the earlier of (i) the fifth anniversary of the effectiveness of the Credit Agreement Amendment and (ii) 91 days prior to the stated maturity date of the $575.0 million of senior secured term loans under the credit agreement (the “Term Loans”), unless as of such 91st day, all amounts in excess of $50.0 million of the Term Loans have been either (a) refinanced with indebtedness permitted under the credit agreement maturing later than 90 days after the scheduled maturity date of the Term Loans or (b) discharged or repaid (other than with the proceeds of any indebtedness maturing earlier than 91 days after the scheduled maturity date of the revolving credit facility). As of the date of this current report on Form 8-K, the Company has commitments for the full amount of the contemplated Credit Agreement Amendment. Commitments received to date are subject to satisfactory documentation and certain other conditions. The closing of this Offering is not conditioned on the closing of the Credit Agreement Amendment. The Credit Agreement Amendment is subject to market and other conditions and there can be no assurance as to whether or when the Credit Agreement Amendment may be completed on the contemplated terms, if at all. The Notes and the related guarantees have not been registered under the Securities Act or the securities laws of any other jurisdiction and may not be offered or sold in the United States absent registration or an applicable exemption from the registration requirements of the Securities Act and applicable state laws. This current report does not constitute an offer to sell or a solicitation of an offer to buy the securities, nor shall there be any sale of the securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.