Arcturus Therapeutics to Report Third Quarter Financial Results and Provide Corporate Update on November 14, 2023

Arcturus Therapeutics Holdings Inc. (the “Company”, “Arcturus”, Nasdaq: ARCT), a global late-stage clinical messenger RNA medicines company focused on the development of infectious disease vaccines and significant opportunities within liver and respiratory rare diseases, today announced that it will release its financial results for the quarter ended September 30, 2023 after the market close on Tuesday, November 14 and will also host a conference call and webcast at 4:30 pm Eastern Time on November 14, 2023.

Arcturus Therapeutics Third Quarter 2023 Earnings Conference Call

• Tuesday, November 14, 2023 @ 4:30 p.m. ET
• Domestic: 1-877-407-0784
• International: 1-201-689-8560
• Conference ID: 13740896
• Webcast: Link

About Arcturus Therapeutics

Founded in 2013 and based in San Diego, California, Arcturus Therapeutics Holdings Inc. (Nasdaq: ARCT) is a global late-stage clinical mRNA medicines and vaccines company with enabling technologies: (i) LUNAR® lipid-mediated delivery, (ii) STARR® mRNA Technology (sa-mRNA) and (iii) mRNA drug substance along with drug product manufacturing expertise. The Company has an ongoing global collaboration for innovative mRNA vaccines with CSL Seqirus, and a joint venture in Japan, ARCALIS, focused on the manufacture of mRNA vaccines and therapeutics. Arcturus’ pipeline includes RNA therapeutic candidates to potentially treat ornithine transcarbamylase deficiency and cystic fibrosis, along with its partnered mRNA vaccine programs for SARS-CoV-2 (COVID-19) and influenza. Arcturus’ versatile RNA therapeutics platforms can be applied toward multiple types of nucleic acid medicines including messenger RNA, small interfering RNA, circular RNA, antisense RNA, self-amplifying RNA, DNA, and gene editing therapeutics. Arcturus’ technologies are covered by its extensive patent portfolio (patents and patent applications issued in the U.S., Europe, Japan, China, and other countries). For more information, visit www.ArcturusRx.com. In addition, please connect with us on Twitter and LinkedIn.

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IR and Media Contacts Arcturus Therapeutics Neda Safarzadeh VP, Head of IR/PR/Marketing [e-mail]

Kendall Investor Relations Carlo Tanzi, Ph.D. [phone] [e-mail]