EU-UK trade could face tariffs The EU is the UK’s biggest trading partner, taking 44% of all British exports and supplying 53% of its imports. Under World Trade Organization rules Britain and the EU will face billions of euros in tariffs % Possible tariffs* (% under WTO Most Favoured Nation option) UK exports to EU (2016) UK imports from EU *Tariffs imposed on imports from members of WTO unless country is part of preferential trade agreement such as EU free trade area or customs union Motor vehicles €17,146m 10% €43,085m Pharmaceuticals† €14,251m 0% €25,628m Aerospace €25,628m 3% €6,417m Plastics €4,295m 7% €5,714m Meat €1,783m 9% €5,881m Dairy products €1,126m 36% €3,016m Cereals €396m 16% €802m †Most OECD members impose “zero-for-zero” tariffs on pharmaceutical products Sources: ACEA, ADS, British Plastics Federatiom, NFU, ONS, WTO