Go to SGX website, and search for "Company Announcements" & "Corporate Action".

Things to note: When a company announces corporate actions, the news will appear first in "Company Announcements" in comparison to "Corporate Action". It will subsequently be under "Corporate Action" after a couple of days. Yes, it is slower, based from my past experiences. If you're seeking first-hand news with regards to a particular company, then "Company Announcements" is the way to go.

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