A bulk (Linux/Mac/Windows-based) tool - such as Nitro PDF - should be able to block convert all .LST files into PDF for you.
My main site: http://www.mug-uk.co.uk
- slowly digging up the bits from my past (and re-working a few): Atari ST, Sega 8-bit (game hacks) and NDS (Music ripping guide).
I develop a free Word (for Windows) add-in that's available for Word 2007 upwards. It's a fix-it toolbox that will allow power Word users to fix document errors. You can find it at: http://www.mikestoolbox.co.uk