Leucadia said it might revise its offer for NII.

When Leucadia National, a New York-based financial services firm, offered last Monday to acquire National Intergroup for $35 a share, or about $750 million, it imposed one condition: that NII drop its Aug. 2 agreement to acquire Permian Corp., a crude oil transportation company, for $172 million. But in reiterating its offer in a letter, Leucadia now says that it might drop that condition if NII can show that the Permian deal won’t “adversely affect” NII.