AnaptysBio, Inc. Loss Form

(i) AnaptysBio failed to disseminate important data from the Company’s Phase 2a trial in atopic dermatitis, including the timing and extent of patients’ use of topical corticosteroids as a rescue therapy during the study and whether any of the patients that utilized rescue therapy were classified as responders at a given time;and (ii) the Company’s statements omitted key information from the Company’s Phase 2a trial in peanut allergy, including patients’ average cumulative peanut dose tolerated at day 14 after the administration of etokimab or placebo as well as whether the Company’s decision to exclude 20% of the patients enrolled in the study from the interim analysis due to their mild symptoms was retrospective; and (ii) as a result of the foregoing, Defendants’ positive statements about the efficacy and prospects of AnaptysBio’s lead drug asset in the treatment of atopic dermatitis and peanut allergy were materially false and/or misleading and/or lacked a reasonable basis.