X0306 4 2017-11-06 0 0001624658 Allena Pharmaceuticals, Inc. ALNA 0001341382 Topper James N C/O ALLENA PHARMACEUTICALS, INC. ONE NEWTON EXECUTIVE PARK, SUITE 202 NEWTON MA 02459 1 0 1 0 Common Stock 2017-11-06 4 C 0 1466805 A 1466805 I See Footnote Common Stock 2017-11-06 4 C 0 1109159 A 2575964 I See Footnote Common Stock 2017-11-06 4 C 0 254409 A 2830373 I See Footnote Common Stock 2017-11-06 4 P 0 500000 14.00 A 3330373 I See Footnote Series A Preferred Stock 2017-11-06 4 C 0 6122448 0.00 D Common Stock 1466805 0 I See Footnote Series B Preferred Stock 2017-11-06 4 C 0 4629630 0.00 D Common Stock 1109159 0 I See Footnote Series C Preferred Stock 2017-11-06 4 C 0 1061904 0.00 D Common Stock 254409 0 I See Footnote Represents the total number of shares of Common Stock received by Frazier Healthcare VI, L.P. ("Frazier"), upon conversion of the Series A Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock in connection with the closing of the Issuer's initial public offering. All series of Convertible Preferred Stock automatically converted into the Issuer's Common Stock on a 4.174-for-1 basis upon closing of the initial public offering of the Issuer and have no expiration date. These shares are held directly by Frazier Healthcare VI, L.P. The general partner of Frazier Healthcare VI, L.P is FHM VI, L.P., a Delaware limited partnership. The general partner of FHM VI, L.P. is FHM VI, L.L.C., a Delaware limited liability company. The Reporting Person is one of five members of FHM VI, L.L.C. The Reporting Person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest in such shares, if any, and this report shall not be deemed an admission that he is the beneficial owner of such shares. /s/ Kevin Brennan, attorney in fact 2017-11-06