Tel.: +55 11 3848 5880
Fax: + 55 11 3045 7363
www.bdo.com.br
Rua Major Quedinho 90
Consolação – São Paulo, SP - Brasil
01050-030
|
Tel.: +55 11 3848 5880 Fax: + 55 11 3045 7363 www.bdo.com.br |
Rua Major Quedinho 90 Consolação – São Paulo, SP - Brasil 01050-030 |
Auditors’ letter regarding change in auditor
Securities and Exchange Commission
Washington, D.C. 20549
Re: Companhia de Saneamento Básico do Estado de São Paulo – SABESP
File No. 15.2.
Dear Sir or Madam:
We have read Item 16F of Form 20-F of Companhia de Saneamento Básico do Estado de São Paulo – SABESP for the year ended December 31, 2025, and agree with the statements concerning our Firm contained therein.
Very truly yours.
/s/ BDO RCS Auditores Independentes SS Ltda.
São Paulo, Brazil
April 29, 2026