OSLO (Reuters) - Norwegian fish farmer Cermaq has held takeover talks with several strategic investors before it agreed to sell the company to Japan's Mitsubishi Corp (>> Mitsubishi Corp), Chairwoman Rebekka Glasser Herlofsen said on Monday.

Mitsubishi's formal bid on Monday comes after a preliminary offer made earlier but not disclosed by the companies, Herlofsen said.

Mitsubishi earlier on Monday offered $1.4 billion (856.82 million pounds) for Cermaq, a 14 percent premium to its last close on Friday.

(Reporting by Balazs Koranyi, editing by Terje Solsvik)

Stocks treated in this article : Cermaq ASA, Mitsubishi Corp