Exhibit 1 We, the undersigned, hereby express our agreement that the attached Schedule 13D is filed on behalf of each of the undersigned together as a group. WORLDCORP INVESTMENTS, INC.Worldcorp Inc • November 22nd, 1996 • Air transportation, nonscheduled
Company FiledNovember 22nd, 1996 IndustryWe, the undersigned, hereby express our agreement that the attached Schedule 13D is filed on behalf of each of the undersigned together as a group.