<sod >Â  Speaking at the Conservative Party's annual conference in Birmingham on Sunday, Theresa May has ended weeks of speculation and revealed that she will launch formal Brexit talks with EU leaders before the end of March 2017.< eod>< sod > Speaking at the Conservative Party's annual conference in Birmingham on Sunday, Theresa May has ended weeks of speculation and revealed that she will launch formal Brexit talks with EU leaders before the end of March 2017.Â The timing means the UK looks set to leave the EU by summer 2019.< eod>