SABESP announces material fact

                        SABESP announces material fact

PR Newswire

SAO PAULO, March 27, 2013

SAO PAULO, March 27, 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 Instruction 358, of January 3, 2002, as amended,
hereby informs its shareholders and the market in general that, on March 22,
2012, the Sao Paulo State Sanitation and Energy Regulatory Agency (ARSESP)
published Resolution 406 which provides for the Tariff Revision, establishes
the Initial Maximum Average Tariff (P0) for the 2nd Tariff Cycle, and approves
the new formula for the annual tariff adjustment to be applied in said 2nd
Tariff Cycle.

On the same date, ARSESP published Resolution 407, which authorizes Sabesp to
pass through to the service bill legally established amounts related to
municipal charges, which, under the Program Contracts and the Sewage and Water
Supply Service Contracts, must be considered in the Tariff Revision.

Sabesp is analyzing said resolutions and will keep the market informed.

Resolutions 406 and 407 are available in full on Sabesp's website, in the
Investor Relations section, and on ARSESP's website (Portuguese version).

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

http://www.sabesp.com.br

SOURCE Sabesp

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