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November 14, 2022
Relief Therapeutics Holding SA and NRx Pharmaceuticals, Inc. Announce Execution of Definitive Settlement Agreements

Ad hoc announcement pursuant to Art. 53 LR

GENEVA and RADNOR, Pa., Nov. 14, 2022 /PRNewswire/ -- RELIEF THERAPEUTICS Holding SA (SIX: RLF, OTCQB: RLFTF, RLFTD) ("Relief"), and NRx Pharmaceuticals, Inc. (NASDAQ: NRXP) ("NRx Pharmaceuticals"), today announced that they have entered into definitive settlement agreements to resolve their pending litigation.  As part of the settlement, at a closing to be held within the next 30 days, (i) NRx Pharmaceuticals will transfer to Relief all of the assets that it previously used in its aviptadil development program, including its regulatory filings, patent applications, clinical data, and the formulation of the aviptadil product it was previously developing, (ii) Relief will have the exclusive right and control going forward and the obligation to use commercially reasonable efforts to develop and commercialize an aviptadil product, (iii) Relief has agreed to use commercially reasonable efforts to continue the existing Right to Try Program for aviptadil in the United States for at least 2 years, (iv) Relief will pay NRx Pharmaceuticals milestone payments if it can successfully obtain commercial approval of an aviptadil product (whether for COVID-19 or any other indication), (v) Relief will pay NRx Pharmaceuticals royalties based on a percentage of future sales of an aviptadil product (whether for COVID-19 or any other indication), up to a maximum of $30 million in the aggregate, (vi) NRx Pharmaceuticals has agreed not to compete in the development of an aviptadil product in the future, and (vii) at the closing, Relief and NRx Pharmaceuticals will dismiss their pending litigation. There can be no assurances that Relief will be successful at commercializing the aviptadil product.

About Relief Therapeutics

RELIEF THERAPEUTICS Holding SA is listed on the SIX Swiss Exchange under the symbol RLF and quoted in the U.S. on OTCQB under the symbols RLFTF and RLFTD. For more information, visit Follow Relief on LinkedIn.

About NRx Pharmaceuticals

NRx Pharmaceuticals is a clinical-stage biopharmaceutical company developing therapeutics for the treatment of central nervous system disorders, specifically suicidal depression and post-traumatic stress disorder (PTSD). The company's lead program NRX-101, an oral, fixed-dose combination of D-cycloserine and lurasidone, targets the brain's NMDA receptor and is being investigated in a Phase 3 trial under a Food and Drug Administration ("FDA") Special Protocol Agreement and Breakthrough Therapy Designation in patients with bipolar depression and acute suicidal ideation, an indication for which the only approved treatment is electroshock therapy. NRx Pharmaceuticals has also initiated a Phase 2b clinical trial in patients with Sub-Acute Suicidality, potentially a substantially broader indication. The Breakthrough Therapy Designation and Special Protocol Agreement were awarded by the FDA based on the Company's prior STABIL-B trial that demonstrated substantial improvement over available therapy in reducing depression and suicidality compared to placebo when patients were treated with NRX-101 after a single dose of ketamine.

Forward-Looking Statements

This press release contains forward-looking statements. Forward-looking statements involve known and unknown risks and uncertainties, which may cause actual results in future periods to differ materially from forecasted results. A number of factors, including (i) whether the parties can successfully close their settlement, and (ii) those factors described in Relief's and NRx Pharmaceuticals' reports to the Securities and Exchange Commission under the Securities Exchange Act of 1934 could adversely affect Relief and NRx, respectively. Copies of Relief's and NRx's filings with the SEC are available on the SEC EDGAR database at Relief and NRx do not undertake any obligation to update the information contained herein, which speaks only as of this date.



Jack Weinstein

Chief Financial Officer and Treasurer

NRx Pharmaceuticals, Inc.

Molly Cogan

Sr. Director, Global Communications



LifeSci Advisors

Stern Investor Relations

Irina Koffler

Suzanne Messer



SOURCE NRx Pharmaceuticals, Inc.; Relief Therapeutics Holding SA

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