The Cambridge Computational Biology Institute Annual Symposium 2006 will take place on 24 May from 9.30 a.m. to 5 p.m. in Meeting Room 2 at the Centre for Mathematical Sciences, Wilberforce Road. All are welcome and attendance is free, but please register in advance. Details of the programme, and the registration form, can be found at http://www.ccbi.cam.ac.uk/Events/Workshops/.