Hi Terry I'm afraid with login levels for categories you can only set them to be "up to" and not "equal to", so this won't work. In this case the login level 101 will see the login level 100 even though login level 100 won't wee 101.
I guess that's all based on products or the level of products. It would be nice to have a toggle in the includes that would have it one way or the other... maybe one day!