SABESP Announces Stock Split

                         SABESP Announces Stock Split

PR Newswire

SAO PAULO, April 22, 2013

SAO PAULO, April 22, 2013 /PRNewswire/ -- Companhia de Saneamento Basico do
Estado de Sao Paulo - SABESP (BM&FBovespa: SBSP3; NYSE: SBS), one of the
largest water and sewage service provider in the world based on the number of
customers, pursuant to CVM Rule 358, as of January 3, 2002, and amendments,
hereby informs its shareholders and the market in general the following:

The split of shares representing the Company's share capital was approved by
the Extraordinary and Ordinary Shareholders' Meeting held on the date hereof,
whereby each share issued by the Company will be split into 3 shares, i.e.,
shareholders will be entitled to receive 2 new shares for each share currently
held. The share capital shall be divided into 683,509,869 common shares issued
by the Company.

The date to be considered for purposes of identifying the shareholders
entitled to receive the shares arising from the split shall be April 22, 2013.
As of April 23, 2013, the shares issued by the Company shall be traded
ex-split rights (ex-date).

As for the shares traded on BM&FBOVESPA, the custodian bank, Itau Unibanco
S.A., shall take all measures to automatically distribute the new shares to
the Company's shareholders. On April 26, 2013, the Custodian will distribute
the shares arising from the split at the ratio of 2 new shares for each
existing one.

As for the ADRs traded on the New York Stock Exchange, the depositary
institution, Bank of New York Mellon, shall issue new ADRs and distribute them
to the shareholders.

The shares and ADRs arising from the split approved herein will be of the same
type and shall confer their holders the same rights of previously existing
shares and ADRs, including the right to receive dividends in full and/or any
other shareholder payments that come to be declared by the Company from the
date of the Extraordinary and Ordinary Shareholders' Meeting onwards.

The complete version of the Material Fact is available at the company's
website www.sabesp.com.br

IR Contacts:

Mario Arruda Sampaio: (55 11) 3388-8664 (maasampaio@sabesp.com.br)
Angela Beatriz Airoldi: (55 11) 3388-8793 (abairoldi@sabesp.com.br)

SOURCE SABESP

Website: http://www.sabesp.com.br
 
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