UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K/A

(Amendment No. 1)

Current Report Pursuant To

Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of report (Date of earliest event reported): July 12, 2017 (May 17, 2017)

TENNECO INC.

(Exact Name of Registrant as Specified in Charter)

Registrant’s telephone number, including area code: (847) 482-5000

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company  ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐

This Form 8-K/A amends and supplements the Current Report on Form 8-K of Tenneco Inc. (the “Company”), originally filed with the Securities and Exchange Commission on May 18, 2017 (the “Initial Filing”). The sole purpose for filing this Form 8-K/A is to disclose the Company’s determination with respect to the frequency of future non-binding advisory votes on the Company’s executive compensation by the Company’s stockholders, as reflected in the last paragraph of Item 5.07 below.

On May 17, 2017, Tenneco Inc. (the “Company”) held its 2017 Annual Meeting of Stockholders. The stockholders voted on the matters set forth below. A copy of the press release announcing the voting results is attached as Exhibit 99.1.

1.    The nominees for election to the Board of Directors were elected, each for a one-year term, based upon the following votes:

2.    The proposal to ratify the appointment of PricewaterhouseCoopers LLP as the Company’s independent public accountants for the year 2017 was approved based upon the following votes:

There were no broker non-votes for this item.

3.    The proposal to approve the compensation of our named executive officers was approved based upon the following advisory, non-binding vote:

4.    The stockholders recommended that we conduct future advisory votes on named executive compensation (each, a “say-on-pay vote”) every one year based upon the following advisory, non-binding vote:

A majority of the votes cast at the Annual Meeting were voted in favor of an annual say-on-pay vote. This vote was consistent with the recommendation of the Company’s Board of Directors in the Proxy Statement for the Annual Meeting. After considering the results of the stockholder advisory vote, at a meeting held on July 12, 2017, the Company’s Board of Directors, upon a recommendation by the Compensation/Nominating/Governance Committee of the Company’s Board of Directors, determined that the Company will hold an annual say-on-pay vote until the next advisory vote on the frequency of future say-on-pay votes. The next required advisory vote on the frequency will occur no later than 2023.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.