This publication serves as an account of the proceedings of that meeting, which was attended by 122 delegates from 25 of 27 ARF participating countries. It includes a summary report of the meeting, the keynotes address, the opening statements of the Co-chairs, a review of previous discussions on maritime security within the ARF and a presentation on future activities of the forum. The main body of the text records the meeting's discussion on Building Common Perceptions on Threats and Challenges in Maritime Security and Building Common Steps to Address Issues of Common Concern on Maritime Security.