 PITTSBURGH, Feb. 03, 2022 GLOBE NEWSWIRE -- Duolingo, Inc. Nasdaq: DUOL, the worlds leading mobile language learning platform, will announce its results for the fourth quarter and full year ending December 31, 2021, following the close of the U.S. market on Thursday, March 3, 2022. The Company will host a corresponding conference call and webcast at 5:30 p.m. Eastern time on that day. 