CineMagia reports that Romanian translation 'Half-Blood Prince' - 'Harry Potter si Printul Semipur' - will be released on November 26th 2005.

The Icelandic translation - 'Harry potter og blendingsprinsinn' - will be released on December 12th 2005.

And the Malay translation will be released sometime in December 2005.

Source: Veritaserum