Dear Category Theorists, This is a second announcement for the conference CT2013 which will be taking place in Sydney next year. The conference will be held at Macquarie University from 7-13 July, and the invited speakers are Eugenia Cheng (Sheffield) Pieter Hofstra (Ottawa) Zurab Janelidze (Stellenbosch) Emily Riehl (Harvard) Mike Shulman (IAS) Ross Street (Macquarie). There will also be a workshop on Applications of Category Theory taking place the week before the conference, with lectures by Marcelo Aguiar (Texas A&M) Richard Garner (Macquarie) Scott Morrison (Australian National University) Mike Shulman (IAS). More information about both conference and workshop can be found at the conference website. http://web.science.mq.edu.au/groups/coact/seminar/ct2013/ The deadline for abstract submission is 1 May. The deadline for the early bird rate for registration is 17 May. Those thinking of coming to Australia from far away may be interested to know of another meeting taking place the week after CT2013 http://gaia.ltumathstats.com/ entitled Workshop on General Algebra and its Applications (in celebration of Brian Davey's 65th birthday and retirement). We look forward to welcoming you all to Macquarie! Best wishes, Steve Lack (for the organizing committee). [For admin and other information see: http://www.mta.ca/~cat-dist/ ]