Independent News and Media (INM) has agreed a takeover offer by a Belgian media group for 145.6 million euro.
Under the terms of the acquisition, INM shareholders will be entitled to receive 10.5 cents in cash for each of its shares.
The Belgian company, Mediahuis is a private European group that was founded in 2013.
INM is Ireland's largest media group and owns titles in the Republic of Ireland and Northern Ireland including Irish Independent, Sunday Independent, The Herald, Belfast Telegraph, Sunday Life and the Sunday World.
It also has a 50% holding in the Irish Daily Star.