SABESP's Net Income Grows 34.6% in 2007

SAO PAULO, Brazil, March 28 /PRNewswire-FirstCall/ -- Companhia de
Saneamento Basico do Estado de Sao Paulo - SABESP (Bovespa: SBSP3; NYSE: SBS),
one of the largest water and sewage service providers in the world based on
the number of customers, announces today its results for 2007.
In 2007, net operating revenue totaled R$ 6.0 billion, an 8.0% increase
compared to 2006. Costs and expenses stood at R$ 3.9 billion, 4.6% higher than
in 2006. EBITDA moved up by 10.3%, from R$ 2.4 billion in 2006 to R$ 2.7
billion in 2007 as revenues outgrew costs.
Earnings before financial expenses (EBIT) climbed by 15.1%, from R$ 1.8
billion in 2006 to R$ 2.1 billion in 2007. Net income reached R$ 1.05 billion,
34.6% higher than the R$ 778.9 million recorded in 2006. In the 4Q07, net
income totaled R$ 78.1 million, down by 2.4% the same period of the previous
year.
Gross operating revenue grew by R$ 464.2 million, or 7.8%, from R$ 6.0
billion in 2006 to R$ 6.4 billion in 2007. The main reasons for this increase
were: (i) the 5.7% impact derived from the 6.7% tariff readjustment in 2006,
with a 4.7% impact in 2007, and the 4.1% tariff readjustment in September
2007, with a 1% impact in the period; and (ii) the 3.1% increase in billed
volume.
The complete version of the release is available at the Company's website:
www.sabesp.com.br
Conference Calls

English: April 2, 2008
3:30 PM - US EDT
Dial in access: 1 973 935-8893
Conference ID: 39746596

Portuguese: April 2, 2008
1:00 PM - US EDT
Dial in access: 55 11 2188-0188
Conference ID: Sabesp

Live webcast available on 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

Mario Arruda Sampaio, 55 11 3388-8664, maasampaio@sabesp.com.br, or Angela
Beatriz Airoldi, 55 11 3388-8793, abairoldi@sabesp.com.br, both of SABESP