VXRT Vaxart Inc

Aviragen Therapeutics, Inc. (NASDAQ:AVIR), (formerly Biota Pharmaceuticals, Inc.), a pharmaceutical company that is developing the next generation of antivirals, announced today that it is delaying the time of its fourth quarter and fiscal year end 2016 earnings conference call and webcast while it concludes discussions involving the accounting treatment for its recent sale of its Inavir® royalty rights to HealthCare Royalty Partners. Aviragen will announce the new time for its conference call and webcast in the next several days.

About Aviragen Therapeutics, Inc.Aviragen Therapeutics is focused on the discovery and development of the next generation of direct-acting antivirals to treat infections that have limited therapeutic options and affect a significant number of patients globally. The Company has three product candidates in active clinical development: vapendavir, an oral treatment for human rhinovirus upper (HRV) respiratory infections in moderate-to-severe asthmatics currently being evaluated in the Phase 2b SPIRITUS trial; BTA585, an oral fusion protein inhibitor that has received Fast Track designation by the U.S. FDA, in Phase 2 development for the treatment and prevention of respiratory syncytial virus (RSV) infections; and BTA074, a topical antiviral treatment in Phase 2 development for condyloma caused by human papillomavirus types 6 & 11. For additional information about the Company, please visit www.aviragentherapeutics.com.

Contacts:

Mark Colonnese
Executive Vice President and Chief Financial Officer
Aviragen Therapeutics, Inc.            
(678) 221-3381                                              
mcolonnese@aviragentherapeutics.com

Beth DelGiacco
Stern Investor Relations, Inc.
(212) 362-1200
beth@sternir.com