Hydraulic Fluids Containing Lubrizol Invert Emulsion, ADDCO® Polyglycol, and ADDCO® Water/Glycol Additive Technology Receive Fire-Resistance Approval

CLEVELAND, OH, September 15, 2006- The Lubrizol Corporation (NYSE:LZ) announced that FM Global, an internationally known standards-setting organization, has issued fire-resistance approval to 11 hydraulic fluids containing Lubrizol additives. Invert emulsion, non-aqueous polyglycol and water/glycol fluids were approved.

"We are very pleased to have all of these FM-approved products, especially since we are one of the first companies to receive approval for invert emulsions. Approval translates into tremendous benefits for our customers. First, it provides them confidence that the hydraulic fluids they offer to steel mills and other operations where fire resistance is an issue, are, indeed, fire resistant. In addition, customers enjoy significant time and cost savings by not having to put their fluids through the approval process," said Phil Miller, Global Compliance Manager.

"Customers requiring fire-resistant products now can look to Lubrizol for a broad range of solutions to meet their needs. In addition to fire resistance, our testing provides customers assurance that they can count on our approved products for excellent anti-wear, corrosion and oxidation performance," Miller continued.

Three hydraulic fluids built from Lubrizol additive technology meet FM Approvals Standard 6930 Flammability Classification of Industrial Fluids: ADDCO SO-68; ADDCO SO-100; and ADDCO WSO-68. This range of HF-D class products delivers high performance in the most demanding, high-pressure hydraulic systems.

Four hydraulic fluids built from Lubrizol additive technology meet FM Approvals Standard 6930 for Water-based Industrial Fluids: Lubrizol® 5162F; Lubrizol 5790F; Lubrizol 5793F; and Lubrizol 5794F. This range of HF-B class products are based on premium invert emulsion technology.

Four additional hydraulic fluids built from Lubrizol additive technology meet FM Approvals Standard 6930 for Water-based Industrial Fluids: ADDCO WGA-4FF; ADDCO WG-32; ADDCO WG-46; and ADDCO WG-68. This range of HF-C class products are based on premium water/glycol technology.

FM Global (formerly known as Factory Mutual) is a leading commercial and industrial property insurance and risk management company that specializes in property protection. FM approvals are intended to verify that products meet stated conditions of performance, safety and quality. Each FM-approved product must meet stated criteria and pass required tests.

The Lubrizol Corporation (NYSE: LZ) is an innovative specialty chemical company that produces and supplies technologies that improve the quality and performance of our customers' products in the global transportation, industrial and consumer markets. These technologies include lubricant additives for engine oils, other transportation-related fluids and industrial lubricants, as well as fuel additives for gasoline and diesel fuel. In addition, Lubrizol makes ingredients and additives for personal care products and pharmaceuticals; specialty materials, including plastics technology and performance coatings in the form of specialty resins and additives. Lubrizol's industry-leading technologies in additives, ingredients and compounds enhance the quality, performance and value of customers' products, while reducing their environmental impact.

With headquarters in Wickliffe, Ohio, The Lubrizol Corporation, a Fortune 500 company, owns and operates manufacturing facilities in 20 countries, as well as sales and technical offices around the world. Founded in 1928, Lubrizol has approximately 6,900 employees worldwide. Revenues for 2005 were $3.6 billion, excluding operations discontinued in 2006 that had 2005 revenues of $0.4 billion. For more information, visit www.lubrizol.com.

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