President Vladimir Putin said on Friday that Russia would end its war on Ukraine and open peace talks if Ukraine abandons its NATO ambitions and withdraws its forces from four Ukrainian territories claimed by Moscow.

On the eve of a peace conference in Switzerland, to which Russia has not been invited, Putin put forward a series of conditions completely opposite to those demanded by Ukraine.

“The conditions are very simple,” Putin said, referring to these as the complete withdrawal of Ukrainian troops from the entire territory of Donetsk, Luhansk, Kherson and Zaporizhia regions in eastern and southern Ukraine.

“As soon as they declare in Kiev that they are ready for such a decision and begin a real withdrawal of troops from these areas, and also officially announce the abandonment of their plans to join NATO – from our side, immediately, literally at the same time in the minute, we will follow an order for a cease-fire and start negotiations,” he said.

“I repeat, we will do it immediately. Of course, we will simultaneously guarantee the smooth and safe withdrawal of Ukrainian units and formations.”

Russia controls almost a fifth of Ukrainian territory during the third year of the war. Ukraine says that peace can only be based on the complete withdrawal of Russian forces and in restoring its territorial integrity.

The weekend summit in Switzerland, which will be attended by representatives of more than 90 nations and organizations, is expected not to discuss issues related to territorial gains and to focus on issues such as food security and nuclear security in Ukraine.

The Kremlin has said the summit will prove “futile” without Russia’s representation.