CLEVELAND - The Lubrizol Corp. is raising its earnings guidance for 2009 to a range of $5.87 to $6.17 per diluted share, including restructuring and impairment charges of $0.23 per diluted share. Excluding these charges, guidance for adjusted earnings is in the range of $6.10 to $6.40. This revised guidance reflects improving volume trends in the current quarter, the company's ongoing margin management and its maintenance of cost reduction initiatives. The company's prior earnings guidance for 2009, last updated on July 30, 2009, was in the range of $5.47 to $5.77, including restructuring and impairment charges, and $5.70 to $6.00 per diluted share excluding restructuring and impairment charges.