Shell Oil Products (SOPUS) last week announced a general price increase on lubricants of up to 4%, effective September 23, 2013 which equates to roughly a 24 cents per gallon increase for bulk lubricants and a 40 cents per gallon increase for packaged products. This was Shell's second price increase this year, having announced a similar 4% price increase on March 11. Shell attributed the price increase to increasing costs of raw materials.

Other price increases announced this year include that of the following:.

On April 5, 2013, Chevron announced an increase in the prices of all lubricating oils by 3% - 6% effective May 16, 2013.

On April 8, 2013, Phillips 66 Lubricants announced an increase on finished lubricants prices 4-5% effective May 17, 2013.

On April 9, 2013, CITGO announced a general price increase of 4% on list and customer specific prices effective with shipments occurring on and after May 15, 2013.

Castrol announced a general price increase of up to 4% on all Passenger Car, Commercial and ancillary products, including synthetics, in all package types, effective May 6, 2013.

On March 11, Shell Oil Products US (SOPUS) announced a general price increase of up to 4% on its lubricants, effective April 15, 2013.

On April 4, 2013, ExxonMobil announced an increase in the prices of its branded and unbranded lubricants and greases by up to 4% effective May 16, 2013.

Petro-Canada announced on March 13 an increase in the US in the price of its white oils and process oils of 3% effective April 11.

CAM2 announced on March 22, 2013 price increases as follows. Conventional and synthetic blend lubricants sold in bulk by $0.20 per gallon effective April 5. Packaged lubricants by $0.25 per gallon on April 12. Grease prices by $0.03 per pound. There was no increase at that time in the price of its synthetics.

Smitty's Supply announced on March 26, 2013 a price increase effective April 15, 2013 as follows. Conventional and synthetic blend bulk lubricants by $0.20 to $0.25 per gallon. Grease prices by $0.03 per pound. There was no change in the price of its synthetic lubricants.

Warren Oil announced on March 27 a price increase on all its conventional and synthetic blend packaged lubricants by $0.25 per gallon effective May 1, 2013. Bulk conventional and synthetic blend lubricant prices by $0.20 per gallon effective April 12. Grease prices by 0.03 per pound effective May 1.

Amalie announced a price increase on April 2 of $0.24 per gallon for all oil and automotive chemical products for all Amalie brands, as well as for all private labeled products. Amalie grease products were increasd by $0.03 per pound effective May 1, 2013.

Safety-Kleen announced a price increase on its Performance Plus line of finished lubricants of $0.25 per gallon effective April 27.

Old World Industries announced a price increase on all bulk and packaged conventional and synthetic blend lubricant by 0.20 per gallon effective April 15. Bulk and full synthetic products prices were to remain unchanged.