Mrv Engenharia E Participacoes S.a.BMFBOVESPA: MRVE3

Notice to the Market - Fitch Ratings reaffirms MRV's rating 'AA-(bra)' in national scale

· Issued by Mrv Engenharia E Participacoes S.A.

MRV ENGENHARIA E PARTICIPAÇÕES S.A.

Corporate Taxpayers' Id. (CNPJ/MF): 08.343.492/0001-20

Company Registry (NIRE) No.: 31.300.023.907

Publicly Held Company

NOTICE TO THE MARKET

FITCH RATINGS REAFFIRMS MRV´S RATING 'AA-(bra)´ IN NATIONAL SCALE.

Belo Horizonte, September 11th, 2019 - MRV Engenharia e Participações S.A. (B3: MRVE3) ("Company"), announces to its shareholders and the market in general that Fitch Ratings has published on September 05th a report reaffirming the Long-Term National Scale Rating for the company in ´AA-(bra)´, with the corporate rating perspective as stable.

For further information click here, or contact our IR team:

Investor Relations

Number.: +55 (31) 3615-8153

E-mail: ri@mrv.com.br

Ricardo Paixão Pinto Rodrigues

Chief Financial and Investor Relations Officer

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