Exchange rate of the US greenback vis a vis the Kuwaiti dinar stood at KD 0.284 per dollar, as the euro rate dropped to KD 0. 374, said the daily exchange rate bulletin of the Central Bank of Kuwait on Monday. The bulletin said the pound sterling was stable at KD 0.445, and the Swiss franc at KD 0.303, in addition to the Japanese yen which stood at its long-held notch of KD 0.003.