Neptune Energy Pushes On With $5 Billion Sale as Eni Cools (1)

Neptune Energy Group Ltd. is moving ahead with plans for a sale after talks about a takeover by Italian energy group Eni SpA cooled, people with knowledge of the matter said.

The oil and gas explorer, which is backed by private equity firms Carlyle Group Inc. and CVC Capital Partners, is working with advisers as it speaks to potential buyers, according to the people. Other energy companies are among suitors considering possible bids, the people said.

Eni’s interest in a deal has waned in recent weeks after disagreements over price, the people said, asking not to be identified discussing ...