The company had already to sell its radio stations in the Republic of Ireland to Communicorp Group for €200 million (US$275.8 million) in cash.
Emap said in a statement that because of its announcement an offer period had begun.
Still, "the board confirms it has not received any approach to acquire Emap as currently constituted and that the commencement of the offer period is not a consequence of any proposal received to date."
Analysts have been critical of Emap's management in recent years as the company has tried to find new growth revenues amid a weak advertising market.
Emap shares gained 1.4 percent to 848.5 pence (US$17.85; €12.18) on the London Stock Exchange.
Putin's official spokesman Dmitry Peskov commented on remarks in the US media about failures in launching nuclear-capable missiles in Russia
More than 5.8 million people voted for Nicholas Maduro at the presidential election in Venezuela. This is more than a quarter of registered voters. Why did those people vote for the man, who, as Western media write, took Venezuela to the brink of collapse?
It has long been understood that the West has been trying to subject Russian borders to total control. We have not seen such activity even during the Cold War