The ua20.zip should contain the following files:

UAMENDER.EXE   - UltraAmender version 2.0
UAMENDER.DOC   - Documentation for UltraAmender written in Word 6.0 for windows
UAMENDER.SET   - Settings file
REVISION.TXT   - Revision history
FILEID.DIZ     - BBS description
REGISTER.NFO   - Registration information
REGISTER.TXT   - Registation form
FILES.TXT      - This file
READ.ME        - Important information!
EXP\*.EXP      - Expression files