MANILA -- Oil companies are set to raise pump prices again this week.

Starting July 25, Caltex, Seaoil, Pilipinas Shell, and Petron will hike gasoline prices by P1.35 per liter; diesel by P0.45 per liter; and kerosene by P0.35 per liter.

Caltexs price hike will be effective starting 12:01 a.m., while Seaoil, Shell, and Petron will raise prices by 6 a.m.

PTT Philippines, PetroGazz, and Phoenix Petroleum meanwhile, will raise gasoline prices by P1.35 per liter and diesel by P0.45 per liter by 6 a.m. on the same day.

Cleanfuel will implement the same price hike by 4:01 p.m.

UniOil said the prices of their gasoline products will go up by P1.35 per liter, and their diesel by P0.45 per liter.

Flying V will also raise their gasoline and kerosene prices by P1.35 per liter and P0.35 per liter, and their biodiesel by P0.45 per liter.

Jetti Petroleum also announced that they will raise the prices of their Accelerate and JX Premium by P1.35 per liter, and their DieselMaster by P0.45 per liter.

Experts have attributed this to Russia and Saudi Arabia cutting down oil production.