Oil prices hit $120 a barrel on Monday after Saudi Arabia raised crude prices for July and amid doubts that an increased OPEC+ monthly output target will help ease tight supply.
Brent crude firmed 32 cents, or 0.3%, to $120.04 a barrel at 0858 GMT after touching an intraday high of $121.95.
U.S. West Texas Intermediate (WTI) crude futures were up 40 cents, or 0.3%, at $119.27 a barrel after hitting a three-month high of $120.99.
Union Jack Oil plc (LON:UJO) is an onshore oil and gas exploration company with a focus on drilling, development and investment opportunities in the United Kingdom hydrocarbon sector.