DWA to convert three 'Shrek' films to 3D

6:42 PM PDT 4/14/2010 by Carolyn Giardina, AP

Katzenberg tells NAB the movies will be released on Blu-ray

LAS VEGAS -- As Dreamworks Animation prepares for the May 21 release of "Shrek Forever After," the animation studio is in the process of converting the first three movies in the phenomenally successful franchise to the stereo format for a 3D Blu-ray Disc release.