The age31.0.3upen.zip file you have requested: Official Releases / Patches / AoE3 Patch 1.03 FOR MAC - 15.69mb is not available. Perhaps try browsing all files for the game Age of Empires III and upload any files you want to share or are missing. This is the only information we could locate:
Patch 1.03 for Mac users. The changes are the same as the Windows patch.