They were buried beneath Shackleton’s Antarctic hut, built in 1908 for a failed expedition to the South Pole.
Some of the crates have cracked and ice has formed inside, which means experts will face a delicate task in trying to extract the contents.
The ice-bound crates were first discovered three years ago.
The master blender at whisky company Whyte and Mackay said the find was a “gift from the heavens” for whisky lovers.
Richard Paterson, whose firm supplied the Mackinlay’s whisky for Shackleton, said: “If the contents can be confirmed, safely extracted and analysed, the original blend may be able to be replicated.