 BOULDER, Colo.--BUSINESS WIRE--Zayo Group Holdings, Inc. will privately release its third quarter fiscal year 2020 earnings results for the quarter ended September 30, 2020 on Wednesday, December 9, 2020 at approximately 7:00 a.m. MST9:00 a.m. EST. Current and prospective bondholders may request access to the private data site where the results will be posted by emailing In addition, management will host a bondholder and lender call the same morning, December 9, 2020 at 8:00 a.m 