Form 15-12G TENNECO INC

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 15

CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION

UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934

OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

Commission File Number: 001-12387

TENNECO INC.

(Exact name of registrant as specified in its charter)

7450 McCormick Blvd., Skokie, Illinois 60076

(847) 482-5000

(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)

5 3/8% Senior Notes due 2024

5.0% Senior Notes due 2026

(Title of each class of securities covered by this Form)

None

(Titles of all other classes of securities for which a duty to file reports under section 13(a) or 15(d) remains)

Please place an X in the box(es) to designate the appropriate rule provision(s) relied upon to terminate or suspend the duty to file reports:

Approximate number of holders of record as of the certification or notice date:

5 3/8% Senior Notes due 2024: 0

5.0% Senior Notes due 2026: 0

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, Tenneco Inc. has caused this certification/notice to be signed on its behalf by the undersigned duly authorized person.

Date: November 28, 2022

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