HH0107 was distilled in the final days of the last millennium (December 1999), and decanted in June of 2018 after a maturation of eighteen years and seven months, making this the oldest single cask whisky ever released by Sullivans Cove. Aged in a single, 200L American oak ex-bourbon cask, the final whisky yield was only 208 bottles at 47.4% abv.