This document is an addendum to the Revised Supplementary Appeal issued in April 2022, reflecting UNHCR’s updated financial requirements for the Ukraine situation for March to December 2022. UNHCR is appealing for an additional $170 million for activities within Ukraine, to scale up urgentlyneeded winterization and other ongoing programmes, under the four-month extension of the Ukraine Flash Appeal issued in August 2022. Updated situation There are 17.7 million people in Ukraine in urgent need of protection and assistance, including 6.2 million who are internally displaced. Housing conditions for millions of people have become increasingly perilous since the start of the international armed conflict.