================================================================================ SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D (Rule 13d-101) (Amendment No. 53) ------------------------------ TELECOM ITALIA S.P.A. (Name of Issuer) ORDINARY SHARES OF EURO 0.55 PAR VALUE EACH 87927W10 (Title of class of securities) (CUSIP number) ALEXANDER ROSENZWEIG, ESQ. VICE PRESIDENT AND CHIEF LEGAL OFFICER PIRELLI NORTH AMERICA, INC. 75 FIFTH STREET, SUITE 320-321 ATLANTA, GEORGIA 30308 (404) 920-0744 WITH A COPY TO: ELLEN J. ODONER, ESQ. WEIL, GOTSHAL & MANGES LLP 767 FIFTH AVENUE NEW YORK, NEW YORK 10153 (212) 310-8000 (Name, address and telephone number of person authorized to receive notices and communications) APRIL 16, 2007 (Date of event which requires filing of this statement) If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the following box [_]. Note: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See Rule 13d-7 for other parties to whom copies are to be sent. (Continued on following pages) (Page 1 of 6 Pages) ------------------------------------------ ---------------------------------------- CUSIP No. 87927W10 13D Page 2 of 6 ------------------------------------------ ---------------------------------------- ----------------- ------------------------------------------------------------------------ 1 NAME OF REPORTING PERSON PIRELLI & C. S.p.A. I.R.S. IDENTIFICATION NO. Not Applicable OF ABOVE PERSON ----------------- ------------------------------------------------------------------------ 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP: (a) [X] (b) [_] ----------------- ------------------------------------------------------------------------ 3 SEC USE ONLY ----------------- ------------------------------------------------------------------------ 4 SOURCE OF FUNDS: BK, WC ----------------- ------------------------------------------------------------------------ 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e): [_] ----------------- ------------------------------------------------------------------------ 6 CITIZENSHIP OR PLACE OF ORGANIZATION: Italy ----------------- ------------------------------------------------------------------------ 7 SOLE VOTING POWER: 182,113,185 NUMBER OF -------------- -------------------------------------------------------- SHARES 8 SHARED VOTING POWER: 2,407,345,359 BENEFICIALLY (See Item 5) OWNED BY -------------- -------------------------------------------------------- EACH 9 SOLE DISPOSITIVE POWER: 182,113,185 REPORTING PERSON WITH -------------- -------------------------------------------------------- 10 SHARED DISPOSITIVE POWER: 2,407,345,359 (See Item 5) ----------------- ------------------------------------------------------------------------ 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY 2,589,458,544 REPORTING PERSON: ----------------- ------------------------------------------------------------------------ 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES: [_] ----------------- ------------------------------------------------------------------------ 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11): 19.35% ----------------- ------------------------------------------------------------------------ 14 TYPE OF REPORTING PERSON: CO ------------------------------------------ ---------------------------------------- CUSIP No. 87927W10 13D Page 3 of 6 ------------------------------------------ ---------------------------------------- ----------------- ------------------------------------------------------------------------ 1 NAME OF REPORTING PERSON OLIMPIA S.p.A. I.R.S. IDENTIFICATION NO. Not Applicable OF ABOVE PERSON ----------------- ------------------------------------------------------------------------ 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP: (a)[X] (b)[_] ----------------- ------------------------------------------------------------------------ 3 SEC USE ONLY ----------------- ------------------------------------------------------------------------ 4 SOURCE OF FUNDS: WC ----------------- ------------------------------------------------------------------------ 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e): [_] ----------------- ------------------------------------------------------------------------ 6 CITIZENSHIP OR PLACE OF ORGANIZATION: Italy ----------------- ------------------------------------------------------------------------ 7 SOLE VOTING POWER: 0 NUMBER OF -------------- -------------------------------------------------------- SHARES 8 SHARED VOTING POWER: 2,407,345,359 BENEFICIALLY (See Item 5) OWNED BY -------------- -------------------------------------------------------- EACH 9 SOLE DISPOSITIVE POWER: 0 REPORTING PERSON WITH -------------- -------------------------------------------------------- 10 SHARED DISPOSITIVE POWER: 2,407,345,359 (See Item 5) ----------------- ------------------------------------------------------------------------ 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY 2,407,345,359 REPORTING PERSON: (See Item 5) ----------------- ------------------------------------------------------------------------ 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES: [_] ----------------- ------------------------------------------------------------------------ 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11): 17.99% (See Item 5) ----------------- ------------------------------------------------------------------------ 14 TYPE OF REPORTING PERSON: CO This Amendment No. 53 amends the Statement on Schedule 13D, dated August 9, 2001, as amended (as previously amended, the "Statement on Schedule 13D"), filed by Pirelli S.p.A. (which, as reported in Amendment No. 21 to the Statement on Schedule 13D, subsequently merged with and into Pirelli & C. S.p.A., a company incorporated under the laws of the Republic of Italy), and, commencing with Amendment No. 1 thereto, Olimpia S.p.A., a company incorporated under the laws of the Republic of Italy, with respect to the ordinary shares, euro 0.55 par value per share, of Telecom Italia S.p.A., a company incorporated under the laws of the Republic of Italy. Capitalized terms used in this Amendment without definition have the meanings ascribed to them in the Statement on Schedule 13D. Pirelli & C., Olimpia, Sintonia S.p.A. (which, it publicly announced on March 9, 2007, has replaced Edizione Holding in various shareholders agreements relating to Olimpia) and Sintonia S.A. (which, according to Sintonia S.p.A.'s public announcement, is the new name of Edizione Finance) are members of a group with respect to the Telecom Italia Shares. (By virtue of the 2006 Shareholders Agreement described in Amendment No. 45 to the Statement on Schedule 13D, Assicurazioni Generali S.p.A. and Mediobanca S.p.A. may also be deemed to be members of that group.) This Amendment constitutes a separate filing on Schedule 13D by Pirelli & C. and Olimpia in accordance with Rule 13d-1(k)(2) under the Securities Exchange Act of 1934. Pirelli & C. and Olimpia are responsible solely for the information contained in their separate filing, except that information contained in the Statement on Schedule 13D concerning any director or officer of Olimpia nominated by Sintonia S.p.A., its predecessor Edizione Holding or Sintonia S.A. has been provided by the nominating person or by such nominee director or officer. ITEM 4. PURPOSE OF TRANSACTION On April 16, 2007, Pirelli & C. issued a press release which reported the decision of AT&T Inc. to withdraw its offer for the acquisition of a participation equal to one-third of the share capital of Olimpia and America Movil's intention, in conjunction with Telefonos de Mexico S.A.B. de C.V., to continue considering different alternatives for a potential investment in Olimpia. A copy of the press release is attached as Exhibit 113. ITEM 7. MATERIAL TO BE FILED AS EXHIBITS 113. Press release issued by Pirelli & C. on April 16, 2007. Page 4 of 6 SIGNATURES After reasonable inquiry and to the best knowledge and belief of the undersigned, the undersigned certify that the information set forth in this statement is true, complete and correct. Date: April 18, 2007 PIRELLI & C. S.p.A. By: /s/ Anna Chiara Svelto ----------------------------------- Name: Anna Chiara Svelto Title: Attorney-in-fact OLIMPIA S.p.A. By: /s/ Luciano Gobbi ----------------------------------- Name: Luciano Gobbi Title: Director and Attorney-in-fact Page 5 of 6 EXHIBIT INDEX ------------- Exhibit No. ----------- 113. Press release issued by Pirelli & C on April 16, 2007. Page 6 of 6