"issued announcements" is a correct and usable phrase in written English.
It is most commonly used to describe the action of making an official statement or public declaration. Example: The company issued announcements to its employees about the upcoming changes in the company policies.
Mr. Colgate later said he would consider supporting the bill requiring notification if phone companies, rather than the city, were made responsible for issuing announcements of their applications.
AT&T has been busy lately issuing announcements to try and jumpstart its slowly sinking stock.
It has issued two announcements this week.
As of this afternoon, the Flyers had issued no announcement regarding Neilson's role.
AtomFilms issued an announcement of what it said was this year festival's first acquisition deal for a short film.
At 7 12 p.m., Mr. Rosen issued an announcement from the head of the table".In 33 minutes," he said, "we'll begin our exodus to the Promised Land".
The study was released on the day that President Trump issued an announcement about the creation of a new National Vetting Center to tighten screening of visa applicants and potential immigrants.
Last week, CMGI issued an announcement concerning its cash burn rate.
Then the Fed issued its announcement, and EMC went through the roof.
Domenici's staff issued an announcement saying he supports "strong funding for basic research programs... especially those within the NSF and the Department of Energy".
The same year the Shanghai Stock Exchange issued the Announcement about Strengthening Listed Companies Performancee of Social Responsibility, which encourages listed companies to publish their concrete performance towards stakeholders' social responsibility and appeals to companies to issue corporate social responsibility reports.
