Special Meeting of Stockholders Held on May 13, 2024

On May 13, 2024, the stockholders of Atreca, Inc. voted to approve (i) the sale of substantially all of the assets of Atreca pursuant to the Asset Purchase Agreement, dated December 22, 2023, by and between Atreca and Immunome, Inc. and (ii) the liquidation and dissolution of Atreca.

The activities necessary to complete the liquidation are being conducted by employees and former employees of Atreca now engaged as consultants, working with various outside vendors, including attorneys and tax accountants.

Atreca expects to pay an initial liquidating distribution to its stockholders of approximately $0.05 per share of Class A common stock and Class B common stock, respectively, however, the precise amount and timing of the initial liquidating distribution or any additional liquidating distributions following the initial liquidating distribution is still undetermined.