In April 2014 the deal was only for 12 months. The article linked to didn't mention Microsoft going beyond 12 months.
What happened to the 'Robust Plans' then? Same old suits, same old B/S that is running the rest of the UK...
'One condition for any public sector body wishing to take advantage of the extended support is that they have a "robust plan" in place to move off Windows XP, Office 2003 and Exchange 2003 within a year.
"This is a 12-month breathing space," said Hurrell. "No one wants to be on an end-of-life infrastructure. We will make sure people have plans that stand up to scrutiny." '