Exhibit 23.1

 

LOGO    CARON & BLETZER, PLLC   

1 Library Lane

Kingston, NH 03848

Tel: (603) 658-8000

Fax: (603) 658-8070

   Certified Public Accountants and Business Consultants   

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statement (No. 333-19103, 333-19099, 333-161253, and 333-177176) on Form S-8 of the Cabot 401(k) Plan of our report dated June 18, 2025 with respect to the statements of net assets available for benefits of the Cabot 401(k) Plan as of December 31, 2024 and 2023 and the related statement of changes in net assets available for benefits for the year then ended December 31, 2024, and the related supplemental schedule as of December 31, 2024, which report appears in the December 31, 2024 annual report on Form 11-K of the Cabot 401(k) Plan.

 

LOGO

Kingston, NH

June 20, 2025