Ra Medical Systems to Report First Quarter 2021 Financial Results on May 11, 2021

Pursuant to the disclosure requirements of the NYSE American Company Guidelines Sections 401(h) and 610(b), Ra Medical is reporting that its audited financial statements for the fiscal year ended December 31, 2020, included in Ra Medical’s Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 17, 2021, contains an audit opinion from its independent registered public accounting firm that includes an explanatory paragraph related to Ra Medical’s ability to continue as a going concern. This announcement does not represent any change or amendment to the Company’s financial statements or to its Annual Report on Form 10-K for the fiscal year ended December 31, 2020.

About Ra Medical Systems

Ra Medical Systems commercializes excimer lasers and catheters for the treatment of vascular and dermatological diseases. In May 2017 the DABRA excimer laser system received FDA 510(k) clearance in the U.S. for crossing chronic total occlusions, or CTOs, in patients with symptomatic infrainguinal lower extremity vascular disease with an intended use for ablating a channel in occlusive peripheral vascular disease. The Pharos excimer laser system is FDA-cleared and is used as a tool in the treatment of psoriasis, vitiligo, atopic dermatitis and leukoderma. DABRA and Pharos are both based on Ra Medical’s core excimer laser technology platform and deploy similar mechanisms of action. Ra Medical manufactures DABRA and Pharos excimer lasers and catheters in a 32,000-square-foot facility located in Carlsbad, Calif. The vertically integrated facility is ISO 13485 certified and is licensed by the State of California to manufacture sterile, single-use catheters in controlled environments.

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