In an email to developers this week, Apple indicated that it will begin showing additional ads in App Store search results starting Tuesday, March 3.

The extra ads will first appear in the App Store in the U.K. and Japan, followed by other markets like the U.S. by the end of March, according to Apple.

Apple first announced that it would be expanding the number of ad slots in the App Store search results last month, but it had not provided an exact date for the change until now. Currently, developers can…