EU diplomats said the first draft would be ready early next week.
The policy has also attracted criticism domestically, as well as from EU diplomats.
Ukraine is asking for more than three billion dollars to do this - "a very large price," one EU diplomat remarked.
Cameron had been "clumsy in his manoeuvring," said one senior EU diplomat.
"As long as the repression continues we will step up our restrictive measures," an EU diplomat said.
"Cameron was clumsy in his manoeuvring," a senior EU diplomat said.
The workshops first started in 2004 and many EU diplomats and economists have participated.
EU diplomats agreed sanctions this week, imposing a trade embargo on Iranian oil imports.
"People have been disappointed with the slow pace of reform in some of these countries," said an EU diplomat.
So what national interests will these new EU diplomats and embassies represent?