(school) recital; school concert; class presentation; presentation (for a new product, etc.); announcement event; launch event
publication of results; announcement of results
research publication; scholarly publication
unpublished; unreleased; not yet made public
press release; announcement
announcer; presenter; speaker; publisher
imperial headquarters announcement
(issuing) a press release
bombshell announcement (statement)
re-release; republication
quarterly earnings announcement
midterm earnings announcement
poster presentation (at a conference, etc.); poster session