[bcrdukes]

There is no official link or post about it being roasted by Starbucks, but there are a lot of media outlets have have confirmed it (I use this term very loosely.) If you pay attention to the roasting consistency, and similarities to Starbucks roasts, they are near identical.

Having said that, regardless of who roasts for them, could be Folgers, Nestle Foods, Mother Parkers, or what have you, Kirkland brand decided this was the product they wanted and as such, the roaster will roast to their specifications. White label roasting is not new in the coffee world. You have only so many roasting facilities that can pump out this level of production to a major supplier like Costco, and Starbucks is likely one of them. There could be others, I'm sure.