"We are determined to ensure that the JCPOA (Joint Comprehensive Plan of Action) stays in place. We know it's a difficult task but we are determined to do that," Mogherini said at a press conference following a meeting with foreign ministers of Britain, Germany, France and Iran.
she said, "We've started to work to put in place measures that help ensuring that this happens."
She went on saying that similar willingness has been expressed by the European and Iranian sides.
She proclaimed that she will brief leaders of EU members states on Wednesday in Sofia, Bulgaria, which is about to host the EU-Western Balkans summit.
European top diplomats agreed to follow through the landmark Iran nuclear deal despite U.S. President Donald Trump's decision to withdraw last week.
To this end, the EU will launch intensive discussion at all levels with Iran in next few weeks, Mogherini said, adding that the discussion will focus on, among others, how to maintain economic relations and effective banking transactions with Iran in the context of renewed U.S sanctions.
British, French and German foreign ministers meeting in Brussels with their Iranian counterpart Mohammad Javad Zarif, a week after U.S. President Donald Trump abandoned an agreement he branded 'horrible.'
The news comes the same day U.S. Treasury on Tuesday imposed sanctions on the governor and accused a senior official of the Central Bank of Iran.
U.S. President Donald Trump announced on May 8 America's withdrawal from the nuclear deal, and re-imposition of the highest level of sanctions and other economic penalties on Iran.
US sanctions prevent American companies from doing business with Iran, and the has said it plans to enforce "secondary sanctions" that could ensnare European and global companies.
Tehran has reiterated that it will remain in the JCPOA for now, pending negotiations with the other signatories in the coming weeks before making a final decision on its future role in the pact.
