6-K

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

Report of Foreign Issuer

Pursuant to Rule 13a-16 or 15d-16 of

the Securities Exchange Act of 1934

For the month of December 2013

Commission File Number: 001-15276

Itaú Unibanco Holding S.A.

(Exact name of registrant as specified in its charter)

Itaú Unibanco Holding S.A.

(Translation of Registrant’s Name into English)

Praça Alfredo Egydio de Souza Aranha, 100-Torre Itaúsa

04344-902 São Paulo, SP, Brazil

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F:  x      Form 40-F:   o

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):

Yes:   o      No:   x

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):

Yes:   o      No:   x

Indicate by check mark whether by furnishing the information contained in this Form, the registrant is also thereby furnishing information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes:   o      No:   x

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b):  
82-___________________.

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, thereunto duly authorized.

	Itaú Unibanco Holding S.A.
		(Registrant)
Date:  December 23, 2013	By:	/s/ Alfredo Egydio Setubal
		Name:	Alfredo Egydio Setubal
		Title:	Investor Relations Officer

By:	/s/ Caio Ibrahim David
	Name:	Caio Ibrahim David
	Title:	Chief Financial Officer

 

EXHIBIT INDEX

99.1 Response to Request for Information from BM&FBOVESPA S.A. Securities, Commodities and Futures Exchange Regarding Preliminary Agreement with Chilean Bank Corpbanca

EX-99.1

GAE 4.564-13

December 19, 2013

Itaú Unibanco Holding S.A.

Investor Relations Officer

Alfredo Egydio Setubal

Dear Sirs,

We request clarifications by December 20, 2013 at the latest on a news report published by the Estado – Broadcast news agency on December 19, 2013, entitled “Itaú signed a preliminary agreement for the acquisition of Corpbanca”, in addition to other information deemed as material.

This request comes within the scope of the Cooperation Agreement signed by the CVM and BM&FBOVESPA on December 13, 2011. Failure to meet the requirements under this agreement could render this company subject to a penalty by the CVM’s Corporate Relations Office – SEP pursuant to the provision of CVM Instruction 452/07.

Sincerely,

Nelson Barroso Ortega

Companies’ Monitoring Unit

BM&FBOVESPA S.A. Securities, Commodities and Futures Exchange

c.c.  CVM – Securities and Exchange Commission of Brazil Fernando Soares Vieira – Corporate Relations Officer Waldir de Jesus Nobre – Trading and Markets Supervision Officer

São Paulo-SP, December 20, 2013.

BM&FBOVESPA S.A. Securities, Commodities and Futures Exchange

Companies Monitoring Unit

São Paulo-SP

Dear sirs,

Reference: Request for Clarifications – GAE 4.564-13

Further to the Official Letter from the Companies’ Monitoring Unit of BM&FBOVESPA S.A. Securities, Commodities and Futures Exchange (GAE 4.564-13),  and in view of the report published on December 19, 2013 by the Estado – Broadcast news agency entitled “Itau signed a preliminary agreement for the acquisition of Corpbanca”, Itaú Unibanco Holding S.A. (“Company”) wishes to clarify: that pursuant to the Announcement to the Market of December 11, 2013, it has been holding discussions with Corpbanca,  a bank with its registered offices and operations in Chile and a subsidiary in Colombia with a view to an association of the operations of the Company and Corpbanca in the aforementioned countries.

The Company points out that it continues to take part in a competitive process organized by Corpbanca and that to date, contrary to the new agency report, no preliminary agreement has been signed. Furthermore, Corpbanca published an announcement on December 19, 2013 informing that it has not signed any agreement either preliminary or final with third parties in this context.

Itaú Unibanco wishes to notify that it will make public the results of the negotiations immediately upon their conclusion.

Sincerely,

ITAÚ UNIBANCO HOLDING S.A.

fls. 2

Alfredo Egydio Setubal

Investor Relations Officer

c.c.  CVM – Securities and Exchange Commission of Brazil Fernando Soares Vieira – Corporate Relations Officer Waldir de Jesus Nobre – Trading and Markets Supervision Officer