Dear Category Theorists, This is a final announcement for the conference CT2013 which will be taking place in Sydney next month. The deadline for registrations is 21st June, this Friday; if you are planning to attend, but, for whatever reason, are unable to register by this deadline, could you please send me an email confirming your intentions. 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/ Best wishes, Richard Garner (for the organizing committee). [For admin and other information see: http://www.mta.ca/~cat-dist/ ]