SUL AMÉRICA S.A.
Corporate Taxpayers' ID (CNPJ/MF): 29.978.814/0001-87
Company Registry (NIRE): 3330003299-1
Publicly Held Company
CVM Nº 21121

MATERIAL FACT

Pursuant to article 2 of CVM Instruction 358 of January 3, 2002, and CVM Instruction 10 of February 14, 1980, as amended, Sul América S.A. hereby informs its shareholders and the market in general that the Company's Board of Directors, at the meeting held on February 28, 2013, approved the share buy-back program, within the following conditions:

Objective: to acquire share depository certificates (units), each representing one common share and two preferred shares issued by the Company, to be held in treasury and later used in the Stock Option Plan. The management considers that such operation is in the best interest of the Company considering the Company's market growth and profitability, as well as available reserves pursuant to CVM Instruction 10. The acquisition will be carried out at the São Paulo Stock, Futures and Commodities Exchange (BM&FBOVESPA S.A.- Bolsa de Valores, Mercadorias e Futuros) at market price, been the Officers' duty to decide the moment and the amount of shares to be acquired, either in a single or in a series of operations, within the limits laid down by the applicable law.

Number of shares to be acquired: up to 3,201,665 units, representing 3,201,665 common shares and 6,403,330 preferred shares, corresponding to 3% of the units in free float and approximately 0.4% of the total number of shares issued by the Company as of January 31, 2013.

Deadline for acquisition: the period for the acquisition is 365 days from today, ending on February 27, 2014.

Free float: 320,308,557 shares, of which 106,863,011 are common shares and 213,445,546 are preferred shares, compounding 106,722,159 units.

Treasury Stock: currently, the company holds 16,315,012 shares in treasury, of which 5,438,339 are common shares and 10,876,673 are preferred shares.

Authorized Brokers:

BTG PACTUAL CTVM S.A.
Av. Brigadeiro Faria Lima 3729, 10º andar, parte, São Paulo/SP, CEP 04538-905

ITAÚ CORRETORA DE VALORES S.A.
Av. Brigadeiro Faria Lima 3400, 10º andar, São Paulo/SP, CEP 04538-132

MERRILL LYNCH S.A. CTVM
Av. Brigadeiro Faria Lima 3400, 16º andar, parte A, São Paulo/SP, CEP 04538-132

SANTANDER BRASIL S.A. CTVM
Rua Hungria 1400, 4º andar, São Paulo/SP, CEP 01455-000

Rio de Janeiro, February 28, 2013.

Arthur Farme d'Amoed Neto
Investor Relations Officer

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