ROTH Capital Partners Acts as Sole Placement Agent
for Altimmune, Inc. (Nasdaq: ALT) in its
$14 Million Registered Direct


For more information please contact:

Investment Banking
James Antonopoulos
Managing Director
Co-Head of Healthcare
Investment Banking
(646) 358-1906

Eric B. Cheng
Managing Director
Co-Head of Healthcare
Investment Banking
(646) 358-1901

Equity Capital Markets
Aaron Gurewitz
Head of Equity
Capital Markets
(949) 720-5703
Nazan Akdeniz
Senior Vice President
(949) 720-5740
Lou Ellis
Senior Vice President
(949) 720-5739

Transaction Information
Altimmune, Inc. (Nasdaq: ALT), a clinical-stage immunotherapeutics company, has closed a sale of common units and pre-funded units for a combined total of 4,361,370 units in a registered direct offering with two institutional investors. Each common unit was sold at a public offering price of $3.21 and consists of one share of common stock and 0.70 of a warrant to purchase one share of common stock at an exercise price of $3.21. Each pre-funded unit was sold at a public offering price of $3.20 and consists of a pre-funded warrant to purchase one share of common stock at an exercise price of $0.01 per share and 0.70 of a warrant to purchase one share of common stock at an exercise price of $3.21. The public offering price of each pre-funded unit is equal to the public offering price of each common unit being sold to the public in this offering, minus $0.01. The pre-funded warrants will be immediately exercisable and may be exercised at any time until all of the pre-funded warrants are exercised in full. The other warrants will be exercisable immediately and will expire five years from the date of issuance. The terms of the warrants and the pre-funded warrants will be substantially the same as the terms of the warrants and the pre-funded warrants issued in connection with our registered direct offering completed October 10, 2018. For a summary of the material terms of the warrants and pre-funded warrants, please refer to Exhibit A in the company press release. The gross proceeds of the offering to Altimmune, Inc. were approximately $14 million.

Altimmune, inc. intends to use the proceeds from this offering for the continued advancement of development activities for our product pipeline, strategic growth opportunities (including potential acquisitions and/or licensing transactions), and general working capital purposes.

ROTH Capital Partners acted as sole placement agent for the offering.

About Altimmune
Altimmune is a clinical-stage immunotherapeutics company focused on the development of products to stimulate robust and durable immune responses for the prevention and treatment of disease. NasoVAX, our influenza vaccine candidate, has unique characteristics that stimulate multiple arms of the immune system and offers the potential to stop infection and the spread of flu, while being easier to administer through an intranasal spray. NasoShield is a next-generation intranasal anthrax vaccine candidate that is intended to improve protection and safety while having favorable dosage and storage properties compared to other anthrax vaccines. HepTcell is a synthetic peptide immunotherapeutic candidate designed to break immune tolerance in chronic Hepatitis B infection. ALT-702, a TLR7/8 agonist, is an immuno-stimulant product candidate that has the potential to safely elicit or improve immune responses in a variety of tumor types. By leveraging the complementary attributes of our proprietary technology platforms, Altimmune is able to design and develop immunotherapeutic products tailored to address a wide range of disease indications including both acute and chronic infections and cancer.  For more information, please visit
(Source: Company Press Release | 3/8/19)

About ROTH Capital Partners
ROTH Capital Partners, LLC (ROTH), is a relationship-driven investment bank focused on serving emerging growth companies and their investors. As a full-service investment bank, ROTH provides capital raising, M&A advisory, analytical research, trading, market-making services and corporate access. Headquartered in Newport Beach, CA, ROTH is privately-held and employee owned, and maintains offices throughout the U.S. For more information on ROTH, please visit

Date of Announcement: 3/22/19

The material, information and  facts discussed in this announcement other than the information regarding ROTH Capital Partners, LLC ("ROTH") and its affiliates, are from sources believed to be reliable, but are in no way guaranteed to be complete or accurate. This announcement should not be used as a complete analysis of any companies, securities or topics discussed herein. Additional information is available upon request. This is not, however, an offer or solicitation of the securities discussed. Any opinions or estimates in this announcement are subject to change without notice. An investment in any security based on this announcement may involve risks and uncertainties that could cause actual results to differ materially from the forward-looking statements. Additionally, such investments may involve a high degree of risk and may not be suitable for all investors. No part of this announcement may be reproduced in any form without the express written permission of ROTH. Copyright 2019.