UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of Report (Date of Earliest Event Reported): February 8, 2017

TIME WARNER INC.

(Exact Name of Registrant as Specified in its Charter)

One Time Warner Center, New York, New York 10019

(Address of Principal Executive Offices) (Zip Code)

212-484-8000

(Registrant’s Telephone Number, Including Area Code)

Not Applicable

(Former Name or Former Address, if Changed Since Last Report)

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 (see General Instruction A.2 below):

The following information is furnished pursuant to Item 2.02, “Results of Operations and Financial Condition.”

On February 8, 2017, Time Warner Inc. (“Time Warner”) issued a press release setting forth its financial results for its fourth quarter and year ended December 31, 2016. A copy of Time Warner’s press release is attached as Exhibit 99.1 to this report. Time Warner does not intend for this Item 2.02 or Exhibit 99.1 to be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 or to be incorporated by reference into filings under the Securities Act of 1933, as amended.

No Offer or Solicitation

This communication shall not constitute an offer to sell or the solicitation of an offer to buy any securities, nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. No offer of securities shall be made except by means of a prospectus meeting the requirements of Section 10 of the Securities Act of 1933, as amended.

Important Information and Where to Find It

In connection with the proposed transaction, AT&T Inc. filed with the Securities and Exchange Commission (“SEC”) a registration statement on Form S-4 that includes a proxy statement/prospectus regarding the transaction. The registration statement was declared effective by the SEC on January 6, 2017. On January 9, 2017, Time Warner filed with the SEC a definitive proxy statement/prospectus and first mailed the definitive proxy statement/prospectus to Time Warner’s stockholders. This communication is not intended to be, and is not, a substitute for the definitive proxy statement/prospectus or for any other document that Time Warner or AT&T may file with the SEC in connection with the proposed transaction. INVESTORS AND SECURITY HOLDERS ARE URGED TO READ THE REGISTRATION STATEMENT AND ANY OTHER RELEVANT DOCUMENTS FILED WITH THE SEC, INCLUDING THE DEFINITIVE PROXY STATEMENT/PROSPECTUS, BECAUSE THEY CONTAIN IMPORTANT INFORMATION ABOUT TIME WARNER, AT&T AND THE TRANSACTION.

Investors and security holders may obtain these materials and other relevant documents filed with the SEC free of charge at the SEC’s website, www.sec.gov. Copies of documents filed with the SEC by Time Warner will be made available free of charge on Time Warner’s investor relations website. Copies of documents filed with the SEC by AT&T will be made available free of charge on AT&T’s investor relations website.

Certain Information Regarding Participants

Time Warner, AT&T and certain of their respective directors, executive officers and other members of management and employees may be deemed to be participants in the solicitation of proxies in respect of the proposed transaction. Information regarding Time Warner’s directors and executive officers is available in Time Warner’s Annual Report on Form 10-K for the year ended December 31, 2015, which was filed with the SEC on February 25, 2016, its proxy statement for the 2016 Annual Meeting, which was filed with the SEC on April 29, 2016, and the definitive proxy statement for the Special Meeting of Stockholders of Time Warner, which was filed with the SEC on January 9, 2017. To the extent holdings of Time Warner securities have changed since the amounts printed in the above referenced proxy statements, such changes have been or will be reflected on Statements of Change in Ownership on Form 4 filed with the SEC. Information regarding AT&T’s directors and executive officers is available in AT&T’s Annual Report on Form 10-K for the year ended December 31, 2015,

which was filed with the SEC on February 18, 2016 and in its proxy statement for the 2016 Annual Meeting, which was filed with the SEC on March 11, 2016. To the extent holdings of AT&T’s securities have changed since the amounts printed in the proxy statement for the 2016 Annual Meeting, such changes have been or will be reflected on Statements of Change in Ownership on Form 4 filed with the SEC. Other information regarding the participants in the proxy solicitation and a description of their direct and indirect interests, by security holdings or otherwise, is contained in the registration statement, the proxy statement/prospectus and other relevant materials filed with the SEC. These documents are available free of charge from the sources indicated above.

SIGNATURE

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.

Date: February 8, 2017

EXHIBIT INDEX