ALT Altimmune Inc

Altimmune, Inc. (Nasdaq: ALT), a clinical-stage biopharmaceutical company, today announced that it will report the results from its 12-week Phase 1 clinical trial of ALT-801 in overweight and obese subjects in a pre-market press release and webcast to be held on Tuesday, September 28, 2021.

Altimmune management will host a conference call and webcast with a slide presentation beginning at 8:30 am E.T. Following the conclusion of the call, the webcast will be available for replay on the Investor Relations page of the Company’s website at www.altimmune.com. The company has used, and intends to continue to use, the IR portion of its website as a means of disclosing material non-public information and for complying with disclosure obligations under Regulation FD.

Conference Call Information:

Date:	Tuesday, September 28
Time:	8:30 am Eastern Time
Domestic Dial-in:	(844) 615-6509
International Dial-in:	(918) 922-3148
Conference ID:	3792068
Webcast:	https://edge.media-server.com/mmc/p/ojyxaxpp

About AltimmuneAltimmune is a clinical stage biopharmaceutical company focused on developing treatments for obesity and liver diseases. Our pipeline includes next generation peptide therapeutics for obesity, NASH (ALT-801), and chronic hepatitis B (HepTcell™). For more information on Altimmune, please visit www.altimmune.com.

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Investor and Media Contact:Will BrownChief Financial OfficerPhone: 240-654-1450wbrown@altimmune.com