Notice Regarding Launch Contract with Argo Space for Mission 2.5

ispace, inc. (“ispace”) hereby announces that it has approved, by resolution of its Board of Directors dated September 17, 2026, that ispace technologies U.S., inc. (“ispace-U.S.”), a U.S.-based consolidated subsidiary of ispace, enter into an agreement with Argo Space Corp. (“Argo”) for the launch of a lunar orbit satellite in connection with Mission 2.5 planned by the Group, as set forth below.