No reason you can think of*

I can think of many reasons why they might share it.

One example, Golden rule, a contract that it enforces with its own self, extended to other agents, biological or artificial to ensure local and global stability.

Like we do with ants?

Why would ASI care? At that point, we're rapidly becoming a nuisance, and it can develop better ways of "ensuring local and global stability" than keeping us around.