In lieu of Common Stock to investors who so chose, pre-funded warrants to purchase up to 2,252,252 shares of its Common Stock at a price of $4.4399 per pre-funded warrant, which represents the per share offering price for the Common Stock less the $0.0001 per share exercise price for each such pre-funded warrant. Before deducting the underwriting discounts and commissions and estimated offering expenses, the total gross proceeds to Prelude are approximately $90.0 million. The offering is expected to close on or about April 21, 2026, subject to the satisfaction of customary closing conditions. The Company intends to use the net proceeds from the offering primarily for general corporate purposes, which may include funding research, preclinical and clinical development of its product candidates, increasing its working capital and capital expenditures.