The answer appears to be yes they do and it happens at exactly the same time as it does in the UK.
For full details, take a look at
this page which gives the dates, direction of change etc, as well as giving an example showing the seconds either side of the change:
<table border="0" cellpadding="4" cellspacing="0"><tbody><tr class="head"><th>Local time</th><th>DST?</th><th>UTC offset</th><th>Zone name</th></tr><tr class="c1"><td>Sunday, 29 March 2009, 01:59:57</td><td>No</td><td>+1 hour</td><td>
CET</td></tr><tr class="c1"><td>Sunday, 29 March 2009, 01:59:58</td><td>No</td><td>+1 hour</td><td>
CET</td></tr><tr class="c1"><td>Sunday, 29 March 2009, 01:59:59</td><td>No</td><td>+1 hour</td><td>
CET</td></tr><tr class="c1"><td>Sunday, 29 March 2009, 03:00:00</td><td>1 hour</td><td>+2 hours</td><td>
CEST</td></tr><tr class="c1"><td>Sunday, 29 March 2009, 03:00:01</td><td>1 hour</td><td>+2 hours</td><td>
CEST</td></tr><tr class="c1"><td>Sunday, 29 March 2009, 03:00:02</td><td>1 hour</td><td>+2 hours</td><td>
CEST</td></tr></tbody></table>