DarkUFO is posting there is a rumored seventh Lostie that does escape the island but is not recognized as one of the Oceanic 6. I can bet there are a great many theories as to what that could mean but for now who knows.......
Episode 4.04 - Eggtown (Kate Centric)
Episode 4.05 - The Constant (Desmond Centric)
Episode 4.06 - The Other Woman (Juliet Centric)
Source: DocArtz@ The Tailsection & DarkUFO