X0206 3 2019-02-06 0 0001757932 RMG Acquisition Corp. RMG 0001764269 RMG Sponsor, LLC C/O RMG ACQUISITION CORP. 340 MADISON AVE, 19TH FLOOR NEW YORK NY 10173 0 0 1 0 0001764521 MKC Investments LLC C/O RMG ACQUISITION CORP. 340 MADISON AVE, 19TH FLOOR NEW YORK NY 10173 0 0 1 0 0001764088 Carpenter David James C/O RMG ACQUISITION CORP. 340 MADISON AVE, 19TH FLOOR NEW YORK NY 10173 1 1 1 0 Chairman 0001763992 Mancini Robert S. C/O RMG ACQUISITION CORP. 340 MADISON AVE, 19TH FLOOR NEW YORK NY 10173 1 1 1 0 Chief Executive Officer 0001732329 KASSIN PHILIP C/O RMG ACQUISITION CORP. 340 MADISON AVE, 19TH FLOOR NEW YORK NY 10173 1 1 1 0 President and COO Class B common stock Class A common stock 5750000 I See footnote The Class B common stock is convertible into shares of Class A common stock on a one-for-one basis, subject to adjustment, at the option of the holder and will automatically convert into shares of Class A common stock at the completion of the Issuer's initial business combination. RMG Sponsor, LLC is the record holder of the shares reported herein. MKC Investments LLC is the sole managing member of RMG Sponsor, LLC, and Messrs. Carpenter, Mancini and Kassin are the managing members of MKC Investments LLC. As such, each of Messrs. Carpenter, Mancini and Kassin may be deemed to share beneficial ownership of the Class B common stock held directly by RMG Sponsor, LLC. Each such individual disclaims any beneficial ownership of such shares other than to the extent of his pecuniary interest therein, if any. RMG Sponsor, LLC By: MKC Investments LLC, its sole managing member By: /s/ Philip Kassin, President and Chief Operating Officer 2019-02-06 MKC Investments LLC By: /s/ Philip Kassin, President and Chief Operating Officer 2019-02-06 /s/ D. James Carpenter 2019-02-06 /s/ Robert S. Mancini 2019-02-06 /s/ Philip Kassin 2019-02-06