International oil prices rose slightly on the 15th.

As of the close of the day, the price of light crude oil futures for delivery in May on the New York Mercantile Exchange rose by 1 cent to $91.29 per barrel, an increase of 0.01%; while the price of Brent crude oil futures for delivery in June on the London Intercontinental Exchange rose by 14 cents to $94.93 per barrel, an increase of 0.15%.