Photo from UNIAN The net international reserves of the National Bank of Ukraine (NBU) in 2018 grew by 44.6%, to US$9.644 billion. Read alsoUkraine&#39;s foreign reserves update five-year max The reserves in December 2018 alone increased by 23.3%, according to the NBU&#39;s website. UNIAN memo. Ukraine&#39;s gross international reserves in 2018 rose by 10.6%, to US$20.82 billion, updating the five-year maximum. Building up net international reserves is one of Ukraine&#39;s obligations under the cooperation program with the International Monetary Fund.