It also highlights a strategy to "instil deep and widespread fear and trauma - physical, emotional and psychological" among the Rohingya population.
More than half a million Rohingya Muslims have fled Myanmar since late August when a conflict broke out between Rohingya insurgents and Myanmar's military.
The agreement, approved by European Union ambassadors and set to be signed off at a meeting of foreign ministers on Monday, said the rapid flight of so many people "strongly indicates a deliberate action to expel a minority".
Authorities in Myanmar, led by Suu Kyi, have been tightly controlling access to Rakhine since August, when purported attacks by Rohingya fighters prompted a brutal military response that has forced over 515,000 Rohingya to flee to Bangladesh.
The EU now bans the export of arms and equipment that can be used for "internal repression", but said it "may consider additional measures" if the crisis does not improve.
Myanmar's army has carried out "well-organized, coordinated and systematic" attacks on Rohingya aimed at expelling them and ensuring they never return, the United Nations said Wednesday.
The report said that teachers, cultural and religious leaders were targeted "in an effort to diminish Rohingya history, culture and knowledge".
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UN High Commissioner for Human Rights Zeid Ra'ad al-Hussein - who has described the government operations as "a textbook example of ethnic cleansing" - said in a statement that the actions appeared to be "a cynical ploy to forcibly transfer large numbers of people without possibility of return".
The UN said there was evidence to suggest military operations are ongoing despite government claims they have ended.
The report said efforts were made to "effectively erase signs of memorable landmarks" in Rohingya areas to make the landscape unrecognizable.
The UN team said it spoke to hundreds of people in a series of 65 interviews, some with individuals and some with groups of up to 40 people.
In this October 2, 2017 photo, Firoza Begum narrates the story of her family with her children standing beside her at a Bangladesh army run processing center where they will be allotted their camp, in Teknaf, Bangladesh.
The government says it is cracking down on the Rohingya militants.