This was reported on the website of the regulator.

The Central Bank explained that the reserves increased “under the influence of a positive revaluation, the amount of which turned out to be greater than the volume of operations in the domestic foreign exchange market as part of the budget rule and the transaction on the sale by the Bank of Russia of a block of shares of Sberbank PJSC.

On April 10, the Ministry of Finance of Russia bought from the Central Bank a controlling stake in the amount of 50% of Sberbank shares at the expense of the National Welfare Fund in the amount of 2.139 trillion rubles.

Until June 1, Russia's budget will receive about 1.05 trillion rubles from the sale by the Central Bank of a stake in Sberbank to the government, the remaining funds will be transferred in 2023.