Itau Unibanco : Itaú CorpBanca - Segundo Aditamento ao Contrato

CNPJ 60.872.504/0001-23 Companhia Aberta NIRE 35300010230

O ITAÚ UNIBANCO HOLDING S.A. ("Itaú Unibanco") informa aos seus acionistas e ao mercado em geral que firmou, nesta data, um aditamento ("Aditamento") ao Transaction Agreement, contrato celebrado em 29.1.2014 e aditado em 2.6.2015, conforme Fatos Relevantes divulgados em 29.1.2014 e 3.6.2015, respectivamente, o qual prevê, entre outros temas, as condições para união das operações do Banco Itaú Chile e do CorpBanca, concluída em 1.4.2016 ("Fusão").

Nesta mesma data, o Itaú CorpBanca (banco resultante da Fusão) divulgou um Form 6-K (*) detalhando as alterações previstas no Aditamento, o qual é reproduzido na íntegra ao final deste comunicado. Dentre referidas alterações, destacam-se:

• A prorrogação da data de aquisição das ações detidas pelo Corp Group no Banco CorpBanca Colombia S.A. ("CorpBanca Colombia") de 29.1.2017 para 28.1.2022, aquisição essa sujeita à obtenção das autorizações regulatórias necessárias;

• A alteração da estrutura prevista para união das operações do Itaú Unibanco e do Itaú CorpBanca na Colômbia, a qual será implementada por meio de uma compra e venda de ativos e passivos; e

• Em cumprimento às obrigações previstas no acordo de acionistas do CorpBanca Colombia e levando em consideração o lapso temporal entre a assinatura do Transaction Agreement e a concretização da Fusão, a substituição da obrigação de realizar uma oferta pública de ações (IPO) do CorpBanca Colombia pela obrigação de registrar o CorpBanca Colombia como uma companhia aberta e listar suas ações na bolsa de valores da Colômbia.

O Itaú Unibanco reafirma, com essa operação, seu compromisso de gerar valor a longo prazo para seus acionistas.

São Paulo, 20 de janeiro de 2017.

MARCELO KOPEL

Diretor de Relações com Investidores

(*) Form 6-K, enviado ao regulador norte-americano (SEC), é equivalente a um fato relevante no Brasil.

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Santiago, January 20, 2017

Mr. Carlos Pavez Tolosa

Superintendent of Securities and Insurance

Re: Material event: Amendments to the Transaction Agreement

Dear Mr. Superintendent,

In accordance with the provisions set forth in articles 9 and 10 of Law 18.045 on Securities Markets, and Chapter 18-10 of the Updated Compilation of Norms of the Superintendency of Banks and Financial Institutions, we inform such Superintendency of the following Material Event.

On this date, Itaú Unibanco Holding S.A. ("Itaú Unibanco"), Itaú CorpBanca, Corp Group Interhold

S.P.A. ("Interhold") and Inversiones Gasa Limitada ("GASA", and together with Interhold, "CorpGroup"), agreed to amend and restate the Transaction Agreement dated as of January 29, 2014, as previously amended on June 2, 2015 (the "Transaction Agreement"), pursuant to which the strategic partnership of the operations in Chile and Colombia of CorpBanca and Banco Itaú Chile was agreed, as approved by their respective Extraordinary Shareholders Meetings held on June 26, 2015 and June 30, 2015, respectively.

The execution of the Transaction Agreement was informed through a material event dated January 24, 2014, and its amendment was informed through a material event dated June 2, 2015. The approval of the merger between CorpBanca and Banco Itaú Chile by their respective shareholders was informed through the material events dated June 26, 2015 and June 30, 2015.

The amendments to the Transaction Agreement, include the following:

1. Acquisition of Itaú Colombia. The obligation of the parties to cause Itaú CorpBanca to acquire all outstanding shares of Itaú Colombia or to carry out a merger of Banco CorpBanca Colombia with Itaú Colombia was amended and replaced with the obligation of the parties to cause Banco CorpBanca Colombia to acquire the assets and liabilities of Itaú Colombia in accordance with the terms and conditions agreed by Banco CorpBanca Colombia and Itaú Colombia on November 1, 2016 (the "Colombian Acquisition"). This agreement also contemplates the rendering of certain services by [Banco CorpBanca Colombia in favor of Itaú Colombia] and the hiring of the senior management of Itaú Colombia by Banco CorpBanca Colombia. The Colombian Acquisition will be carried out as soon as practicable once the same has been approved by the Colombian Financial Superintendancy (the "CFS").

   It is informed that the Colombian Acquisition was already approved by the shareholders of Corpbanca Colombia.

2. Acquisition of the Shares of Banco CorpBanca Colombia. The acquisition by Itaú CorpBanca of the shares of Banco CorpBanca Colombia held by CorpGroup (currently representing 12.36% of shares outstanding), which was previously agreed to be carried out no later than January 29, 2017, will be postponed until January 28, 2022, subject to receipt of applicable regulatory approvals. The purchase price for the shares will be US$3.5367 per share plus (i) interest from (and including) August 4, 2015 until (but excluding) the payment date at an annual interest rate equal to Libor plus 2.7% minus (ii) the sum of (x) the aggregate amount of dividends paid by Banco CorpBanca Colombia to CorpGroup since the date of the Transaction Agreement, plus (y) the accrued interest with respect to the amount of such

   fls.3 dividends since the date of their payment until the payment date of the purchase price, at an annual interest rate equal to Libor plus 2.7%. The number of shares to be purchased will be adjusted as described below under "3. Registry of the Shares of Banco CorpBanca Colombia."

3. Registry of the Shares of Banco CorpBanca Colombia. Itaú CorpBanca and CorpGroup will carry out commercially reasonable efforts, in accordance with the shareholders agreement of Banco CorpBanca Colombia, in order to cause Banco CorpBanca Colombia to (i) be registered as a public company in the National Registry of Securities and Issuers of the CFS, and (ii) its shares to be listed in the Colombian Stock Market (the "CSM").

Once the abovementioned registry and listing have been obtained, CorpGroup will be permitted to sell all of its shares, or a portion thereto, of Banco CorpBanca Colombia in the CSM, subject to a right of first offer granted to Itaú CorpBanca. The shares sold by CorpGroup in the CSM will be deducted from the shares that Itaú CorpBanca must acquire from CorpGroup on January 28, 2022.

The amendments to the Transaction Agreement described in this communication were approved by the Committee of Directors of Itaú CorpBanca in its ordinary meeting held on December 19, 2016, and by the Board of Directors of Itaú CorpBanca in its ordinary meeting held on December 20, 2016, being the General Manager authorized to inform through a material event the execution of the amendment to the Transaction Agreement.

Copies of the Amended and Restated Transaction Agreement are available at Itau CorpBanca's website (itau.cl/investor-relations) in its Investor Relations section.

Sincerely,

Milton Maluhy Fliho Executive Officer Itaú CorpBanca