EchoStar needs to decide by July 6 whether to propose a firm offer for Inmarsat or forgo the plan, according to rules established by the U.K. takeover panel.
Eutelsat Communications and ViaSat (Nasdaq: VSAT) have been cited by analysts as potential counterbidders for Inmarsat, which offers satellite communication services to U.S. government clients through its Herndon, Va.-based subsidiary.
EchoStars stakebuilding came weeks after Inmarsat turned down the formers preliminary takeover bid, saying the offer undervalued the satcom services provider.