 PITTSBURGH, PA ACCESSWIRE September 3, 2021 Montauk Renewables, Inc. Montauk or the company NASDAQ:MNTK ,a renewable energy company specializing in the management, recovery and conversion of biogas into renewable natural gas RNG, today announced it has been invited to present at the 10th Annual Gateway Conference, which is being held virtually on September 8-9, 2021. Montauks management is scheduled to present on Wednesday, September 8th at 10:30 a.m. 