EU High Representative for Foreign Affairs and Security Policy Catherine Ashton has expressed hope that Ukraine will make every effort to sign the Association Agreement with the EU at a summit in Vilnius this November, reports Ukrinform.

She said this during her visit to Estonia on Monday, the press service of the Estonian government reported. "We cannot lose Ukraine," Radio Liberty quoted Ashton as saying.

The visit was dedicated to the upcoming Eastern Partnership summit and especially the future of Ukraine. 

The EU high representative and the Estonian prime minister stressed the importance of Ukraine to the European Union. Ansip also expressed hope that the association agreement, including its free trade zone, between the EU and Ukraine would be signed at the summit in Vilnius.

To be noted, Peter Stano, spokesperson for EU Commissioner for Enlargement and European Neighborhood Policy Stefan Fule, said in Brussels on Monday that the commissioner's work is seriously focused on the signing by the European Union of the Association Agreement with Ukraine.

"We have an ambitious goal of signing the Association Agreement in November. We are working with Ukraine on a daily basis," – claimed Stano.