Just like Borderlands 3, Private Division games are exclusive to EGS for only 6 months and not 12 months like the majority of other exclusive titles on EGS
MCVUK
...We ask after his thoughts on the Epic exclusivity of that title and others from the Private Division label. "Well, we're still on Steam with other titles, we'll be on Steam with those titles after the exclusivity period, which is about six months. So I think our view is more choices to get to the consumer better and we wanted to be supportive as Epic launched its store," he replies.
MCVUK