ATTO - Atento S.A. 2021 Q4 - Results - Earnings Call Presentation March, 31 2022 10:14 AM Atento S.A. The following slide deck was published by Atento S.A. in conjunction with their 2021 Q4 earnings call. For further details see: Atento S.A. 2021 Q4 - Results - Earnings Call Presentation