West Texas Intermediate oil dropped for the first time in last four sessions before the U.S. government reported that stockpiles increased from the highest level in 82 years and as Saudi Arabia's output was boosted to the strongest level in 5 months. WTI for delivery next month decreased by 85 cents to $95.31 a barrel on the NYMEX and was traded at $95.31 as of 1:34 p.m. in Singapore.