Complex sentence: Further appointments were announced on 22 January 2008 and 23 February 2010, and the process is now again annual, with the last appointments to date announced on 29 February 2012.
Split into simpler sentences: Further appointments were announced on 22 January 2008 and 23 February 2010. The process takes place annually, with the last appointments to date announced on 29 February 2012.