Exhibit 12.1

THE LUBRIZOL CORPORATION AND SUBSIDIARIES

Computation of Ratio of Earnings to Fixed Charges

(all amounts except ratios are shown in millions)



|                                                                                                                |  |      |       |   |      |   |      |      |  |   |       |   |  |      |       |   |  |   |       |  
|--------------------------------------------------------------------------------------------------------------- |  | ---- | ----- | - | ---- | - | ---- | ---- |  | - | ----- | - |  | ---- | ----- | - |  | - | ----- | -
|                                                                                                                |  | 2009 |       |   | 2008 |   |      | 2007 |  |   | 2006  |   |  | 2005 |      
|Pretax income from continuing operations                                                                        |  | $    | 725.8 |   |      | $ | 17.0 |      |  | $ | 405.4 |   |  | $    | 266.1 |   |  | $ | 241.9 |  
|Add (deduct) earnings of less than 50% owned affiliates (net of distributed earnings) included in pretax income |  |      | (0.2  | ) |      |   | (0.9 | )    |  |   | (0.3  | ) |  |      | (0.8  | ) |  |   | 0.1   |  
|Add fixed charges net of capitalized interest                                                                   |  |      | 120.5 |   |      |   | 89.5 |      |  |   | 101.4 |   |  |      | 108.5 |   |  |   | 114.9 |  
|Add previously capitalized interest amortized during period                                                     |  |      | 1.5   |   |      |   | 0.9  |      |  |   | 0.7   |   |  |      | 1.0   |   |  |   | 1.1   |  
|Less the noncontrolling interest in pre-tax income of subsidiaries that have not incurred fixed charges         |  |      | (13.4 | ) |      |   | (7.2 | )    |  |   | (6.4  | ) |  |      | (4.1  | ) |  |   | (1.7  | )
|                                                                                                                |  |      |       |   |      |   |      |      |  |   |       |   |  |      |       |   |  |   |       |  
|"Earnings"                                                                                                      |  | $    | 834.2 |   |      | $ | 99.3 |      |  | $ | 500.7 |   |  | $    | 370.7 |   |  | $ | 356.3 |  
|                                                                                                                |  |      |       |   |      |   |      |      |  |   |       |   |  |      |       |   |  |   |       |  
|Gross interest expense including capitalized interest                                                           |  | $    | 113.0 |   |      | $ | 82.2 |      |  | $ | 93.5  |   |  | $    | 101.2 |   |  | $ | 105.8 |  
|Interest portion of rental expense                                                                              |  |      | 10.0  |   |      |   | 11.4 |      |  |   | 9.6   |   |  |      | 8.8   |   |  |   | 9.8   |  
|                                                                                                                |  |      |       |   |      |   |      |      |  |   |       |   |  |      |       |   |  |   |       |  
|"Fixed charges"                                                                                                 |  | $    | 123.0 |   |      | $ | 93.6 |      |  | $ | 103.1 |   |  | $    | 110.0 |   |  | $ | 115.6 |  
|                                                                                                                |  |      |       |   |      |   |      |      |  |   |       |   |  |      |       |   |  |   |       |  
|Ratio of earnings to fixed charges                                                                              |  |      | 6.78  |   |      |   | 1.06 |      |  |   | 4.86  |   |  |      | 3.37  |   |  |   | 3.08  |  
|                                                                                                                |  |      |       |   |      |   |      |      |  |   |       |   |  |      |       |   |  |   |       |