X0206 3 2020-03-11 0 0001672619 IMARA Inc. IMRA 0001700449 Arix Bioscience plc 20 BERKELEY SQUARE MAYFAIR, LONDON X0 W1J 6EQ UNITED KINGDOM 0 0 1 0 0001756884 Arix Bioscience Holdings Ltd 20 BERKELEY SQUARE MAYFAIR, LONDON X0 W1J 6EQ UNITED KINGDOM 0 0 1 0 Series B Preferred Stock Common Stock 1367058 I By entities affiliated with Arix Bioscience plc The Series B Preferred Stock is convertible into Common Stock on a 6.299-for-1 basis into the number of shares of Common Stock as shown in Column 3 without payment of further consideration, at any time at the holder's election and upon either the closing of a firm-commitment underwritten public offering pursuant to an effective registration statement resulting in at least $60 million of gross offering proceeds to the Issuer, or the date and time or occurrence of an event specified by at least 60% of the outstanding preferred stock. The shares have no expiration date. These shares are owned directly by Arix Bioscience Holdings Limited, which is a wholly owned subsidiary of Arix Bioscience Plc. Arix Bioscience Plc is an indirect beneficial owner of the reported securities and disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein. Exhibit Index: 24.1 Power of Attorney Arix Bioscience plc, /s/ Michael P. Gray, Attorney-in-Fact 2020-03-11 Arix Bioscience Holdings Ltd., /s/ Michael P. Gray, Attorney-in-Fact 2020-03-11