This was done to acknowledge the fact that these were outtakes and different edits from the sessions of Black's earlier release.
On the vinyl version, the outtakes are divided into two parts due to the side break.
The vinyl run includes a three-inch CD version of the same material.
Notably, the vinyl is mastered with inverted grooves, so it plays from the label to the outer edge; standard vinyl records play from the outer edge towards the label.
This entire EP eventually became a hidden track on The White Album CD.