Cabot (CBT) 8-K Other Events

Exhibit 99.1

Information Relating to Part II.

    Item 14 Other Expenses of Issuance and Distribution.

The expenses in connection with the offer and sale by Cabot Corporation of $300 million aggregate principal amount of 4.000% notes due 2029, registered pursuant to an automatically effective shelf registration statement on FormS-3 (RegistrationNo. 333-213088) that was filed with the Securities and Exchange Commission (“SEC”) on August 11, 2016, other than underwriting discounts and commissions, are set forth in the following table. All amounts are estimated except the SEC registration fee under the Securities Act of 1933, as amended (the “Securities Act”).

SEC registration fee under the Securities Act	$	36,360
Legal fees and expenses		175,000
Rating agency fees		417,000
Accounting fees and expenses		50,000
Trustee fees and expenses		2,000
Printing and engraving expenses		10,000
Miscellaneous		4,640
Total	$	695,000