Unable to Export with Opacity Blend Mode Screen

Hi there,

I'm trying to render a video file with an VHS static effect. I've downloaded a VHS overlay video file. I placed it above the original video file and set the Blend Mode under Opacity to Screen. While playing the video in Premiere Pro this has the desired effect of making the footage have the old VHS static / fuzz. However when I export it (have tried a number of different formats. I'm trying to render it as HQ as possible) the overlay is black and the original file isn't coming through - only the VHS overlay with it's original black background). 

Has anyone experience this? Am I doing something wrong with the export file type or is it in the opacity formatting? Would love some advice. Images below

Essentially trying to do this: https://www.youtube.com/watch?v=j8LToMPHWCs but it's not exporting. The overlay remains black and the distortion does not sit on the original video file which I want it to... if that makes sense

Update: It seems to be a problem with the original video file which is . MOV