Archer Announces Expiration of Hart-Scott-Rodino Waiting Period for its Acquisition of Boeing’s Wisk Aero, Insitu and SkyGrid Subsidiaries

Archer Announces Expiration of Hart-Scott-Rodino Waiting Period for its Acquisition of Boeing’s Wisk Aero, Insitu and SkyGrid Subsidiaries

Archer Aviation Inc. (NYSE: ACHR) today announced the expiration of the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (the "HSR Act"), with respect to the previously announced agreements pursuant to which Archer will acquire Boeing’s Wisk Aero, SkyGrid and Insitu subsidiaries. The expiration of the HSR Act waiting period occurred at 11:59 p.m. EDT on September 18, 2026.