On the official Ubisoft website, it was announced that the expansion has gone gold.
http://www.mightandmagic.com/uk/

Heroes of Might and Magic V: Hammers of Fate is now in print!

Nival Interactive announces that the Russian master disc for the game Heroes of Might and Magic V: Hammers of Fate has been sent to print. The game will be released in Russia on November 17, 2006. All rights to publish the game in Russia, the CIS, and the Baltic countries belong to Nival Interactive. All rights to distribute the game in Russia, the CIS, and the Baltic countries belong to "1C".

Heroes of Might and Magic V: Hammers of Fate, the official expansion to the original game Heroes of Might and Magic V, offers you to once again immerse yourself in the enchanting atmosphere of the Ashan universe! A new intriguing plot will immerse you in the vicissitudes of the civil war that has engulfed the Holy Empire of the Griffin, and will tell about the mighty race of dwarves, who have lived in seclusion in the north of the Empire for centuries. Additional campaigns and maps, magical spells, never-before-seen buildings, neutral creatures, and a random map generator will give you a new look at the legendary game and provide dozens of hours of exciting adventures in the world of Heroes of Might and Magic V!

The events of Heroes of Might and Magic V: Hammers of Fate unfold immediately after the end of Isabel's war with the demons: the Griffin Empire has not yet recovered from the bloody battles with the hordes of Inferno, when it was engulfed in the flames of a civil war. While the ruthless Inquisition, led by Queen Isabel, is trying to deal with the rebels, a new formidable force awakens in the north of the kingdom. After centuries of isolation, the dwarves once again take up arms, and the roar of battle horns is increasingly heard in the vastness of the Empire…