Lost Planet and EX Troopers share the same world setting, but have completely different looks.
Here's Lost Planet (specifically LP3):
And here's EX Troopers:
Do you see any Lost Planet in the EX Troopers shots?
Following today's EX Troopers debut trailer, some Lost Planet fans assembled comparison pics showing that there are indeed some familiar Lost Planet elements in the spinoff. Take a look here: