Novavax’s Updated Protein-based COVID-19 Vaccine Now an … – Novavax Investor Relations

GAITHERSBURG, Md., Nov. 28, 2023 /PRNewswire/ --Novavax, Inc. (Nasdaq: NVAX), a global company advancing protein-based vaccines with its Matrix-M adjuvant,today announced that Nuvaxovid XBB.1.5 COVID-19 Vaccine (NVX-CoV2601) has been granted Emergency Use Listing (EUL) by the World Health Organization (WHO) for active immunization to prevent COVID-19 in individuals aged 12 and older. The EUL assists WHO member states in assessing vaccines with the aim of expediting availability and enables the WHO's 194 member states to expedite regulatory approvals to import and administer the vaccine.

"The WHO Emergency Use Listing of our updated protein-based non-mRNA COVID-19 vaccine enables expedited regulatory approvals for its 194 member states and UN procurement agencies, such as UNICEF, thereby supporting equitable access to our vaccine around the world," said John C. Jacobs, President and Chief Executive Officer, Novavax. "Rural or hard-to-reach areas can benefit from our vaccine's ease of transport and storage profile. As part of a diversified vaccine portfolio, our vaccine can play an important role in helping to protect people around the globe against the latest variants."

Novavax's vaccine can be stored at 2 to 8 degrees Celsius and has a 12-month shelf life, simplifying delivery, decreasing the carbon footprint and reducing wastage.1-4

The EUL was based on non-clinical datashowing that Novavax's COVID-19 vaccine induced functional immune responses against XBB.1.5, XBB.1.16 and XBB.2.3 variants. Additional non-clinical data demonstrated that Novavax's vaccine induced neutralizing antibody responses to subvariants BA.2.86, EG.5.1, FL.1.5.1 and XBB.1.16.6 as well as CD4+ polyfunctional cellular (T-cell) responses against EG.5.1 and XBB.1.16.6. These data indicate Novavax's vaccine can stimulate both arms of the immune system and may induce a broad response against currently circulating variants.5,6

In clinical trials, the most common adverse reactions associated with Novavax's prototype COVID-19 vaccine (NVX-CoV2373) included headache, nausea or vomiting, muscle pain, joint pain, injection site tenderness, injection site pain, fatigue and malaise.

Novavax's updated COVID-19 vaccine is also authorized in the U.S. and the European Union, and is under review in other markets.

Trade Name in the U.S.The trade name Nuvaxovid has not been approved by the U.S. Food and Drug Administration (FDA).

NOVAVAX COVID-19 VACCINE, ADJUVANTED (2023-2024 FORMULA) AUTHORIZED USESNovavax COVID-19 Vaccine, Adjuvanted (2023-2024 Formula) has not been approved or licensed by FDA, but has been authorized for emergency use by FDA, under an Emergency Use Authorization (EUA) to prevent Coronavirus Disease 2019 (COVID-19) for use in individuals 12 years of age and older. Refer to the full Fact Sheet for information about the Novavax COVID-19 Vaccine, Adjuvanted.

The emergency use of this product is only authorized for the duration of the declaration that circumstances exist justifying the authorization of emergency use of the medical product under Section 564(b)(1) of the FD&C Act unless the declaration is terminated or authorization revoked sooner.

IMPORTANT SAFETY INFORMATION What should you mention to your vaccination provider before you or your child get the Novavax COVID-19 Vaccine, Adjuvanted? Tell your vaccination provider about all of your or your child's medical conditions, including if you or your child:

Who should not get the Novavax COVID-19 Vaccine, Adjuvanted? A person should not get the Novavax COVID-19 Vaccine, Adjuvanted if they had:

What are the risks of the Novavax COVID-19 Vaccine, Adjuvanted? There is a remote chance that the vaccine could cause a severe allergic reaction. A severe allergic reaction would usually occur within a few minutes to one hour after getting a dose. For this reason, the vaccination provider may ask you or your child to stay at the place where you or your child received the vaccine for monitoring after vaccination. Signs of a severe allergic reaction can include:

Myocarditis (inflammation of the heart muscle) and pericarditis (inflammation of the lining outside the heart) have occurred in some people who have received the vaccine. In most of these people, symptoms began within 10 days following vaccination. The chance of having this occur is very low. You should seek medical attention right away if you or your child have any of the following symptoms after receiving the vaccine:

Side effects that have been reported in clinical trials with the Novavax COVID-19 Vaccine, Adjuvanted include:

Side effects that have been reported in post-authorization use with the Novavax COVID-19 Vaccine, Adjuvanted include:

These may not be all the possible side effects. Serious and unexpected side effects may occur. The possible side effects are still being studied.

What should I do about side effects? If you or your child experience a severe allergic reaction, call 9-1-1, or go to the nearest hospital.

Call the vaccination provider or your healthcare provider for any side effects that bother you or your child or do not go away.

Report vaccine side effects to the FDA and the Centers for Disease Control and Prevention (CDC) Vaccine Adverse Event Reporting System (VAERS). The VAERS toll-free number is 18008227967 or report online to https://vaers.hhs.gov/reportevent.html. Please include "Novavax COVID-19 Vaccine, Adjuvanted (2023-2024 Formula) EUA" in the first line of box #18 of the report form.

In addition, you can report side effects to Novavax, Inc., using the following contact information: Website: http://www.NovavaxMedInfo.com, Fax Number: 1-888-988-8809, Telephone Number: 1-844-NOVAVAX (1-844-668-2829).

What about pregnancy or breastfeeding? If you or your child are pregnant or breastfeeding, discuss the options with your healthcare provider.

There is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to the Novavax COVID-19 Vaccine, Adjuvanted during pregnancy. Women who are vaccinated with the Novavax COVID-19 Vaccine, Adjuvanted during pregnancy are encouraged to enroll in the registry by visiting https://c-viper.pregistry.com.

Please see the Fact Sheet for Recipients and Caregiversfor more information. Reporting Adverse Events and Vaccine Administration Errors

About Nuvaxovid XBB.1.5 2023-2024 Formula (NVX-CoV2601) NVX-CoV2601 is an updated version of Novavax's prototype COVID-19 vaccine (NVX-CoV2373) formulated to target the Omicron XBB.1.5 subvariant. It is a protein-based vaccine made by creating copies of the surface spike protein of SARS-CoV-2 that causes COVID-19. With Novavax's unique recombinant nanoparticle technology, the non-infectious spike protein serves as the antigen that primes the immune system to recognize the virus, while Novavax's Matrix-M adjuvant enhances and broadens the immune response. The vaccine is packaged as a ready-to-use liquid formulation and is stored at 2 to 8C, enabling the use of existing vaccine supply and cold chain channels.

About Matrix-M Adjuvant When added to vaccines, Novavax's patented saponin-based Matrix-M adjuvant enhances the immune system response, making it broader and more durable. The Matrix-M adjuvant stimulates the entry of antigen-presenting cells at the injection site and enhances antigen presentation in local lymph nodes.

About Novavax Novavax, Inc. (Nasdaq: NVAX) promotes improved health by discovering, developing and commercializing innovative vaccines to help protect against serious infectious diseases. Novavax, a global company based in Gaithersburg, Md., U.S., offers a differentiated vaccine platform that combines a recombinant protein approach, innovative nanoparticle technology and Novavax's patented Matrix-M adjuvant to enhance the immune response. Focused on the world's most urgent health challenges, Novavax is currently evaluating vaccines for COVID-19, influenza and COVID-19 and influenza combined. Please visit novavax.comand LinkedInfor more information.

Forward-Looking Statements Statements herein relating to the future of Novavax, its operating plans and prospects, including the availability of its updated XBB version of its Novavax COVID-19 Vaccine, Adjuvanted (2023-2024 Formula) (NVX-CoV2601) and the timing of delivery and distribution of its vaccine are forward-looking statements. Novavax cautions that these forward-looking statements are subject to numerous risks and uncertainties that could cause actual results to differ materially from those expressed or implied by such statements. These risks and uncertainties include, without limitation, challenges satisfying, alone or together with partners, various safety, efficacy, and product characterization requirements, including those related to process qualification and assay validation, necessary to satisfy applicable regulatory authorities; difficulty obtaining scarce raw materials and supplies; resource constraints, including human capital and manufacturing capacity, on the ability of Novavax to pursue planned regulatory pathways; challenges or delays in obtaining regulatory authorization for its product candidates, including its updated XBB version of its COVID-19 vaccine in time for the fall 2023 vaccination season or for future COVID-19 variant strain changes; challenges or delays in clinical trials; manufacturing, distribution or export delays or challenges; Novavax's exclusive dependence on Serum Institute of India Pvt. Ltd. for co-formulation and filling and the impact of any delays or disruptions in their operations on the delivery of customer orders; challenges meeting contractual requirements under agreements with multiple commercial, governmental, and other entities; and those other risk factors identified in the "Risk Factors" and "Management's Discussion and Analysis of Financial Condition and Results of Operations" sections of Novavax's Annual Report on Form 10-K for the year ended December 31, 2022 and subsequent Quarterly Reports on Form 10-Q, as filed with the Securities and Exchange Commission (SEC). We caution investors not to place considerable reliance on forward-looking statements contained in this press release. You are encouraged to read our filings with the SEC, availableat http://www.sec.govand http://www.novavax.com, for a discussion of these and other risks and uncertainties. The forward-looking statements in this press release speak only as of the date of this document, and we undertake no obligation to update or revise any of the statements. Our business is subject to substantial risks and uncertainties, including those referenced above. Investors, potential investors, and others should give careful consideration to these risks and uncertainties.

Contacts:InvestorsErika Schultz 240-268-2022 [emailprotected]

MediaAli Chartan 240-720-7804 [emailprotected]

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Novavax's Updated Protein-based COVID-19 Vaccine Now an ... - Novavax Investor Relations