International reserves increased by $19.3 billion to $506 billion between April and May 2018.: The Saudi Arabian Monetary Authority (SAMA) has published a breakdown of foreign exchange reserves which reveals that the  harp increase in April was due to current account surpluses, owing to a rise in oil receipts, as well as foreign borrowing. The foreign borrowing has increased as of late, with a $10 billion syndicated loan was secured last year, and another $16 billion was secured this March. International reserves increased by $19.3 billion to $506 billion between April and May 2018, according to SAMA.