International Conference on Theory and Applications of Satisfiability Testing (SAT 2009). June 30 - July 3, 2009, Swansea, Wales, United Kingdom. This conference series is the primary annual meeting for researchers studying the propositional satisfiability problem (SAT). The Chair is O. Kullmann. The invited speakers include M. Vardi and R. Nieuwenhuis. For further information visit http://cs.swan.ac.uk/~csoliver/SAT2009/index.html.