Roger Lewis, WRU group chief executive, said: “The partnership with Brains has always been strong and this new, complete deal with Brains and Heineken combined, further cements that relationship. “These brands are both extremely strong and therefore amalgamate effectively with the WRU brand and we are delighted to be able to continue to grow this relationship over the next four years. “We have experienced three Grand Slam victories in the time Brains have been one of our partners and the four Heineken Cup matches hosted at the Millennium Stadium have all been commercially successful for both the WRU and Heineken and we look forward to more successes in the future.”