Mills Estruturas e Serviços de Engenharia S.A. (BOVESPA:MILS3) announces a share repurchase program. Under the program, the company will repurchase up to 14,917,035 ordinary shares, representing 6.06% of its shares outstanding. The repurchased shares will be held in treasury for future sale and/or to be canceled, without changing the company´s capital stock, with the purpose of using for the company's Long-Term Incentive Programs, as a trading instrument with potential targets (M&A) and for cancellation of part of the repurchased shares to maximize value generation for shareholders and improve the company's capital structure.

The share repurchase program is valid for 18 months, until September 23, 2023.