Oil firms on Monday announced a rollback in pump prices following several weeks of increase.

In an advisory, Shell, Seaoil, and Cleanfuel said they will impemnet a downward adjustment in the prices per liter of gasoline by PHP 0.60, disel by PHP 0.10, and kerosene by PHP 0.40.

Petro Gazz will likewise implement the same changes, excluding kersonene which they do not carry..

The adjustments will take effect at 6 AM on Tuesday, February 13, for all the firms except for Cleanfuel, which will implement the changes at 12:01 AM on the same day.

The latest adjustment comes after five straight weeks of increase for both gasoline and diesel, and two for kerosene.