Alligator Bioscience

Declaration of Voting Results & Voting Rights Announcements • Mar 31, 2022

Change in number of shares and votes in Alligator Bioscience AB

During the month of March, the number of shares and votes in Alligator Bioscience AB have increased due to directed issue and repurchase of 949,850 series C shares, which were resolved upon by the board of directors on 22 March 2022 pursuant to the authorization granted by the annual general meeting on 1 June 2021.

As of 31 March 2022, the number of shares in Alligator Bioscience AB amounts to 221,534,728 shares, of which 220,584,878 are ordinary shares with one vote per share and 949,850 are series C shares with one-tenth of a vote per share. The number of votes in the company amounts to 220,679,863 votes.

For more information, please contact:

Julie Silber, Investor Relations Phone: +46 46-540 82 23 E-mail: jur@alligatorbioscience.com

This information is such information as Alligator Bioscience AB is obliged to make public pursuant to the Swedish Financial Instruments Trading Act. The information was submitted for publication, through the agency of the contact person set out above, at 08:00 CEST on 31 March 2022.

About Alligator Bioscience

Alligator Bioscience AB is a clinical-stage biotechnology company developing tumor-directed immunooncology antibody drugs. Alligator's pipeline includes the two key assets mitazalimab, a CD40 agonist, and ATOR-1017, a 4-1BB agonist. Furthermore, Alligator is co-developing ALG.APV-527 with Aptevo Therapeutics Inc., several undisclosed molecules based on its proprietary technology platform, Neo-X-Prime™, and novel drug candidates based on the RUBY™ bispecific platform with Orion Corporation. Out licensed programs include AC101, in phase II development, by Shanghai Henlius Biotech Inc. and an undisclosed target to Biotheus Inc. Alligator Bioscience's shares are listed on Nasdaq Stockholm (ATORX) and is headquartered in Lund, Sweden.

For more information, please visit www.alligatorbioscience.com.