There are a few rules that need to be met, before the losses can be used. Presumably MinRes would be able to satisfy these (not that difficult, esp. with a bit of $$ for accountants/lawyers) and would then shift profits from MinRes (or other entities) to AGO, thereby reducing their taxable income by $500M over a number years..
AGO Price at posting:
2.8¢ Sentiment: Hold Disclosure: Held