Presentation

Sondotécnica is a publicly traded company. Its shares are traded on B3 S.A. – Brasil, Bolsa, Balcão, under the code SOND.

There are three classes of shares:

SOND3 – Ordinary nominative. They have voting rights and the total number of shares in this class corresponds to 1/3 of the total capital of the company.

SOND5 – Class A nominative preferred shares do not have voting rights and the total number of shares in this class corresponds to 1/3 of the total capital of the company.

SOND6 – Class B nominative preferred shares do not have voting rights and the total number of shares in this class corresponds to 1/3 of the total capital of the company.

For those who invest, information is the most powerful tool. It is necessary to identify the signs of when it is best to buy, hold or sell a particular asset.

Therefore, Sondotécnica’s Investor Relations (IR) department aims to provide our current and future investors with secure, accurate and transparent information.

In this way, we ensure that information relevant to decision making reaches all investors fairly.

We believe that investor relations work is not just a bureaucratic obligation; it is a strategic issue. If a company wants to succeed with raising financial resources in the market, it needs good investor relations.

Sondotécnica follows all good practices and governance recommendations. Its management is guided by ethics and respect for the laws, the community, its customers, suppliers, shareholders and employees.

All information relevant to the market about Sondotécnica, such as general company data, financial reports, history of quotations and others, you can find in the link below:

https://www.b3.com.br/pt_br/http://bvmf.bmfbovespa.com.br/cias-listadas/empresas-listadas/ResumoEmpresaPrincipal.aspx?codigoCvm=10880&idioma=en

Additional information can be obtained through the emailri@sondotecnica.com.br.

The relevant information can also be accessed directly on this website, through the files below:

MINUTES AND MEETINGS

DISCLOSURE POLICY