** Shares in Eutelsat ETL.PA fall 12.5% after South Korea's Hanwha offered to sell its 5.4% stake in the satellite operator
** Hanwha is selling its shares at 3 euros ($3.42) apiece for about 78 million euros
** Offered price is a 13.9% discount to Eutelsat's closing price of 3.48 euros on Wednesday
** "Following internal review, the company concluded that holding the stake no longer provided meaningful value to its business operations compared to reinforcing its core business," Hanwha says
** Eutelsat shares were up 53.7% this year as of Wednesday's close
($1 = 0.8761 euros)
(Reporting by Gianluca Lo Nostro)
((gianluca.lonostro@thomsonreuters.com;))