Tecnisa S A : Material Fact - Provisional Measure Law 17,561/2021

TECNISA S.A.

Publicly-Held Company

Corporate Taxpayer's ID (CNPJ) No. 08.065.557/0001-12

Company Registry (NIRE) 35.300.331.613 | CVM Code 20435

MATERIAL FACT

TECNISA S.A., a corporation with head office in the city of São Paulo, State of São Paulo, at Avenida Brigadeiro Faria Lima, No. 3,729, 1st floor, Itaim Bibi, Zip Code 04538-133, with its corporate documents filed with the Board of Trade of the State of São Paulo (Junta Comercial do Estado de São Paulo) under the Company's Registry No. (NIRE) 35.300.331.613, enrolled with the Corporate Taxpayers ID (CNPJ) under No. 08.065.557/0001-12, registered with the Brazilian Securities and Exchange Commission (Comissão de Valores Mobiliários) ("CVM") as a category "A" publicly-held company under code 2043-5, with its shares traded on the stock exchange under the code "TCSA3" ("Company"), in compliance with the Fourth Paragraph of Article 157 of the Law No. 6,404, dated as of December 15, 1976, as amended and under the terms of the CVM Instruction No. 358, dated as of January 3, 2002, as amended, in continuity to the Material Facts disclosed on June 3, 2021 and June 6, 2021, regarding, respectively, the approval and sanction of the Municipal Law No. 17,561, of June 4, 2021 ("Law 17,561/2021"), which changed the general guidelines of the Água Branca Consortium Urban Operation ("OUC Água Branca"), which comprises the planned neighborhood Jardim das Perdizes, project in which the Company has interest, hereby informs as follows.

Considering that the Company verified on digital communication platforms and social networks, messages relating to the OUC Água Branca, the Company clarifies that it became aware of the granting of a provisional measure, within the scope of the direct unconstitutionality lawsuit (ação direta de inconstitucionalidade) No. 2182422-74.2021.8.260000 in procedure with the Special Court of Justice of the State of São Paulo (Órgão Especial do Tribunal de Justiça do Estado de São Paulo) ("Procedure"), pursuant to which the validity and effectiveness of Municipal Law No. 17.561/2021 was suspended.

As the provisional measure is an interim relief, it is subject to the applicable procedural steps and may be revoked or confirmed, depending on the progress and conclusions of the Procedure.

The Company emphasizes that it is not part of the Procedure.

The Company will keep the shareholders and the market in general informed about any relevant developments of the matter informed herein.

São Paulo, August 13, 2021.

Flávio Vidigal de Capua

Chief Financial and Investor Relations Officer