How do I get my extra key from supporter pack ?

I initially bought the cheapest supporter pack with a key just for myself but have in the mean time upgraded to a pricier pack that should give me an extra key. I would like to give that key to a friend, but I have no idea where to actually find it. I see no message in my message box and also did not receive any emails about it in my linked mailbox.

Thanks for any help/feedback anyone can give.

https://www.pathofexile.com/my-account/early-access maybe ? ...not sure thou. Not that rich to own two keys. Or maybe in the transaction part ? Just dig trough your account options.

Thanks ! Found it :-)