T695 - Earnings Date is on several sites.
Here you go:
Jumia to Announce Its First Quarter 2019 Results on May 16, 2019
Business Wire Business Wire May 7, 2019
LAGOS, Nigeria
Jumia Technologies AG (JMIA), (“Jumia”), today announced that it will release its results for the quarter ended March 31, 2019 before the U.S. market opens on Thursday, May 16, 2019. Management will host a conference call at 8:30 a.m. US Eastern Time on the same day.