X0306 4 2023-01-09 0 0001716621 Ra Medical Systems, Inc. RMED 0001279803 JENKINS DAVID A C/O RA MEDICAL SYSTEMS, INC. 5857 OWENS DRIVE, SUITE 300 CARLSBAD CA 92009 1 1 0 0 Executive Chairman of Board Series X Convertible Preferred Stock 2023-01-09 4 A 0 2569.936 A Common Stock 2569936 2569.936 D Series X Convertible Preferred Stock 2023-01-09 4 A 0 20.955 A Common Stock 20955 20.955 I See footnote Series X Convertible Preferred Stock 2023-01-09 4 A 0 6570.243 A Common Stock 6570243 6570.243 I See footnote Following stockholder approval of the conversion of Series X Convertible Preferred Stock into shares of Common Stock, each share of Series X Convertible Preferred Stock automatically converts into 1,000 shares of Common Stock, subject to certain limitations. On January 9, 2023, the Issuer, completed its acquisition of Catheter Precision, Inc., a privately-held Delaware corporation ("Catheter"), pursuant to an Amended and Restated Agreement and Plan of Merger (the "Merger"). In connection with the Merger, each share of Catheter common stock previously outstanding held by the reporting person now represents a number of shares of Series X Convertible Preferred Stock equal to approximately 0.6697, divided by one thousand (1,000). Series X Convertible Preferred Stock has no expiration date Shares held by charitable remainder unitrust of which the reporting person's spouse is the trustee. Shares held by a partnership of which the reporting person is the managing member of the managing partner. /s/ Will McGuire, as Attorney-in-Fact 2023-01-11