MOSCOW, May 3 (Reuters) - The Russian rouble slightly

gained against the dollar on Friday. By 0715 GMT, the rouble

was 0.06% higher at 91.99 to the dollar after

trading in a range of 91.898 to 92.163.

Against the euro, the rouble fell 0.02% to

98.71. It dropped 0.04% to 12.71 against the yuan

.

Brent crude oil, a global benchmark for Russia's

main export, rose 0.4% to $83.99 a barrel.

Russian stock indexes were little changed. The

dollar-denominated RTS index rose 0.05% to 1,178.57. The

rouble-based MOEX Russian index lost 0.08% to 3,440.60.

($1 = 91.9925 roubles)