Blanc de Blancs Extra Brut Reserve is made of 100% Chardonnay harvested from various vineyard sites, mainly those on southeast slopes with calcareous soils. It was fermented in stainless steel tanks, where malolactic fermentation took place; and then it was racked into used Austrian oak barrels (2-3 years old, some 300 litres, some 2500 litres). In the following year, the base wine was filled into bottles, where the second fermentation occurred. This particular lot spent at least 36 months on lees and was manually riddled and disgorged on 2nd February 2022.