Just read an announcement on the epractice website (http://www.epractice.eu/document/5518) to this effect. This was made on 23rd February - so a little ahead of the UK Government policy announcement. Like that policy this one stresses the use of open standards and the possible reduction of costs. The document apparently asserts that "There are many useful open source applications that no Finnish IT service supplier currently supports. However, if the Public Administration has sufficient knowledge and technical skill, selecting such an application can be justified."
The epractice website is a useful source of european news in relation to ICT in public service across the eu.