On April 15, 2022, Mark Asbury informed Allakos Inc. of his decision to retire from his position as Chief Legal Officer and General Counsel of the Company effective April 19, 2022 and agreed to assist the Company in making an orderly transition of Mr. Asbury's responsibilities by remaining an employee through June 30, 2022. Meg Fitzgerald has been appointed as the Company's Senior Vice President, General Counsel, Secretary and Chief Compliance Officer effective April 19, 2022. On April 17, 2022, in connection with Mr. Asbury's departure, he and the Company entered into a Separation Agreement (the “Separation Agreement”) setting forth the terms of the separation.

Among other matters, the Separation Agreement provides for the Company to pay Mr. Asbury a lump sum cash payment in the amount of $552,590.82, inclusive of nine months of COBRA premiums. The Separation Agreement contains a customary release of claims . The Separation Agreement becomes effective on the eighth day following its execution provided that neither party has exercised its right to revoke such agreement in accordance with its terms.