Adobe Illustrator files in Premiere.

1. Create graphic in Illustrator.
2. Set crop marks in Illustrator. This controls the amount of space
between outer limits of graphic and the edge of the video screen.
If no crop marks are set, the outer edges of the graphic are stretched
out to the limits of the video screen.
3. Open the Illustrator file (.ai) in bin.
4. Place file in V2 or above.
5. Set transparency to white alpha matte.