Conor McGregor sells majority of Proper No. Twelve for $600 million April 27, 2021 No. 6 ranked UFC lightweight and former simultaneous UFC featherweight and lightweight champion Conor McGregor is a rich man, but the “Notorious” one just got a whole lot richer. On Tuesday, Shanken News Daily reported that Proximo Spirits acquired a majority stake in Proper No. Twelve Irish Whiskey in a deal that is valued at up to $600 million. The profiteers of this massive deal include brand co-founders McGregor, Ken Austin and McGregor’s agent and business partner Audie Attar. Proximo Spirits, a company that owns tequila brand Jose Cuervo among several other alcoholic brands, had already been in business with Proper No. Twelve for the past two years.