ˆ200F#CY9JHSYmdyG&Š 200F#CY9JHSYmdyG& VDI-W7-PFL-0337 OI S.A. Donnelley Financial12.6.29 LSWpintd0bz15-May-2018 20:02 EST 583119 FS 1 5* FORM 20-F RIO HTM ESS 0C Page 1 of 2 As filed with the Securities and Exchange Commission on May 16, 2018 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEARS ENDED DECEMBER 31, 2017 AND DECEMBER 31, 2016 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☐ SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-15256 Oi S.A. – In Judicial Reorganization (Exact Name of Registrant as Specified in Its Charter) N/A The Federative Republic of Brazil (Translation of Registrant’s Name into English) (Jurisdiction of Incorporation or Organization) Rua Humberto de Campos, 425 Leblon, Rio de Janeiro, RJ, Brazil 22430-190 (Address of Principal Executive Offices) Carlos Augusto Machado Pereira de Almeida Brandão Investor Relations Officer Rua Humberto de Campos, 425 8º andar Leblon, Rio de Janeiro, RJ, Brazil 22430-190 Tel: +55 21 3131-2918
[email protected] (Name, Telephone, E-mail and/or Facsimile number and Address of Company Contact Person) Securities registered or to be registered pursuant to section 12(b) of the Act: Title of Each Class Name of Each Exchange on which Registered Common Shares, without par value, each represented by New York Stock Exchange American Depositary Shares Securities registered or to be registered pursuant to Section 12(g) of the Act: Preferred Shares, without par value, each represented by American Depositary Shares Securities for which there is a reporting obligation pursuant to Section 15(d) of the Act: None The total number of issued and outstanding shares of each class of stock of Oi S.A.