**EXHIBIT 12.1**

 

**Ratio of Earnings to Fixed Charges**

**(amounts in thousands other than ratios)**

 

**Ratio of Earnings to Fixed Charges**

 
| ** **                                                  | ** ** | ** **            | ** ** | ** **            | ** ** | ** **            | ** ** | ** **            | ** ** | ** **            | ** ** | **Three**          | ** ** |
|-------------------------------------------------------------|------------|-----------------------|------------|-----------------------|------------|-----------------------|------------|-----------------------|------------|-----------------------|------------|--------------------|------------|
| ** **                                                  | ** ** | ** **            | ** ** | ** **            | ** ** | ** **            | ** ** | ** **            | ** ** | ** **            | ** ** | **Months**         | ** ** |
| ** **                                                  | ** ** | **Year Ended**   | ** ** | **Ended**             | ** ** |
| ** **                                                  | ** ** | **December 28,** | ** ** | **December 26,** | ** ** | **December 25,** | ** ** | **December 31,** | ** ** | **December 30,** | ** ** | **March 30,** | ** ** |
| ** **                                                  | ** ** | **2007**              | ** ** | **2008**              | ** ** | **2009**              | ** ** | **2010**              | ** ** | **2011**              | ** ** | **2012**           | ** ** |
| **Earnings:**                                               | ** ** | ** **            | ** ** | ** **            | ** ** | ** **            | ** ** | ** **            | ** ** | ** **            | ** ** | ** **         | ** ** |
| Income before income taxes                                  |       | $                     | 83,422     |                  | $          | 65,458                |       | $                     | 43,161     |                  | $          | 46,750             |       | $ | 61,511 |   | $ | 12,332 |   |
| Fixed charges (from below)                                  |       | 43,711                |       | 39,218                |       | 29,600                |       | 28,665                |       | 35,002                |       | 8,855              |       |
| Total earnings                                              |       | $                     | 127,133    |                  | $          | 104,676               |       | $                     | 72,761     |                  | $          | 75,415             |       | $ | 96,513 |   | $ | 21,187 |   |
|                                                        |       |                  |       |                  |       |                  |       |                  |       |                  |       |               |       |
| **Fixed Charges:**                                          |       |                  |       |                  |       |                  |       |                  |       |                  |       |               |       |
| Interest expense                                            |       | $                     | 33,923     |                  | $          | 28,482                |       | $                     | 19,044     |                  | $          | 18,710             |       | $ | 24,355 |   | $ | 6,046 |   |
| Interest in rent expense estimated at 30% of rent   expense |       | 9,788                 |       | 10,736                |       | 10,556                |       | 9,955                 |       | 10,647                |       | 2,809              |       |
| Total fixed charges (1)                                     |       | $                     | 43,711     |                  | $          | 39,218                |       | $                     | 29,600     |                  | $          | 28,665             |       | $ | 35,002 |   | $ | 8,855 |   |
|                                                        |       |                  |       |                  |       |                  |       |                  |       |                  |       |               |       |
| **Ratio of Earnings to Fixed   Charges**                    |       | 2.9                   |       | 2.7                   |       | 2.5                   |       | 2.6                   |       | 2.8                   |       | 2.4                |       |

 

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(1) Preferred security dividends of Interline New Jersey are excluded from fixed charges as preferred stock is held solely by corporate parent.

 

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**Ratio of Earnings to Combined Fixed Charges and Preferred Dividends**

**(amounts in thousands other than ratios)**

** **
| ** **                                                                | ** ** | ** **            | ** **  | ** **            | ** ** | ** **            | ** ** | ** **            | ** **  | ** **            | ** ** | **Three**          | ** ** |
|---------------------------------------------------------------------------|------------|-----------------------|-------------|-----------------------|------------|-----------------------|------------|-----------------------|-------------|-----------------------|------------|--------------------|------------|
| ** **                                                                | ** ** | ** **            | ** **  | ** **            | ** ** | ** **            | ** ** | ** **            | ** **  | ** **            | ** ** | **Months**         | ** ** |
| ** **                                                                | ** ** | **Year Ended**   | ** **  | **Ended**             | ** ** |
| ** **                                                                | ** ** | **December 28,** | ** **  | **December 26,** | ** ** | **December 25,** | ** ** | **December 31,** | ** **  | **December 30,** | ** ** | **March 30,** | ** ** |
| ** **                                                                | ** ** | **2007**              | ** **  | **2008**              | ** ** | **2009**              | ** ** | **2010**              | ** **  | **2011**              | ** ** | **2012**           | ** ** |
| **Earnings:**                                                             |       |                  |        |                  |       |                  |       |                  |        |                  |       |               |       |
| Income before income taxes                                                |       | $                     | 83,422      |                  | $          | 65,458                |       | $                     | 43,161      |                  | $          | 46,750             |       | $ | 61,511 |   | $ | 12,332 |   |
| Fixed charges (from below)                                                |       | 43,711                |        | 39,218                |       | 29,600                |       | 28,665                |        | 35,002                |       | 8,855              |       |
| Total earnings                                                            |       | $                     | 127,133     |                  | $          | 104,676               |       | $                     | 72,761      |                  | $          | 75,415             |       | $ | 96,513 |   | $ | 21,187 |   |
|                                                                      |       |                  |        |                  |       |                  |       |                  |        |                  |       |               |       |
| **Fixed Charges:**                                                        |       |                  |        |                  |       |                  |       |                  |        |                  |       |               |       |
| Interest expense                                                          |       | $                     | 33,923      |                  | $          | 28,482                |       | $                     | 19,044      |                  | $          | 18,710             |       | $ | 24,355 |   | $ | 6,046 |   |
| Interest in rent expense estimated at 30% of rent   expense               |       | 9,788                 |        | 10,736                |       | 10,556                |       | 9,955                 |        | 10,647                |       | 2,809              |       |
| Total fixed charges (1)                                                   |       | $                     | 43,711      |                  | $          | 39,218                |       | $                     | 29,600      |                  | $          | 28,665             |       | $ | 35,002 |   | $ | 8,855 |   |
|                                                                      |       |                  |        |                  |       |                  |       |                  |        |                  |       |               |       |
| Preferred dividends (calculated below)                                    |       | $                     | —      |                  | $          | —                |       | $                     | —      |                  | $          | —             |       | $ | — |   | $ | — |   |
|                                                                      |       |                  |        |                  |       |                  |       |                  |        |                  |       |               |       |
| Total combined fixed charges and preferred   dividends                    |       | $                     | 43,711      |                  | $          | 39,218                |       | $                     | 29,600      |                  | $          | 28,665             |       | $ | 35,002 |   | $ | 8,855 |   |
|                                                                      |       |                  |        |                  |       |                  |       |                  |        |                  |       |               |       |
| **Ratio of Earnings to Combined   Fixed Charges and Preferred Dividends** |       | 2.9                   |        | 2.7                   |       | 2.5                   |       | 2.6                   |        | 2.8                   |       | 2.4                |       |
|                                                                      |       |                  |        |                  |       |                  |       |                  |        |                  |       |               |       |
| **Surplus**                                                               | ** ** | **$**                 | **(83,422** | **)**                 | **$**      | **(65,458**           | **)**      | **$**                 | **(43,161** | **)**                 | **$**      | **(46,750**        | **)**      | **$** | **(61,511** | **)** | **$** | **(12,332** | **)** |
| ** **                                                                | ** ** | ** **            | ** **  | ** **            | ** ** | ** **            | ** ** | ** **            | ** **  | ** **            | ** ** | ** **         | ** ** |
| **Preferred Dividends:**                                                  |       |                  |        |                  |       |                  |       |                  |        |                  |       |               |       |
| Preferred dividend amount (1)                                             |       | $                     | —      |                  | $          | —                |       | $                     | —      |                  | $          | —             |       | $ | — |   | $ | — |   |
| Tax rate                                                                  |       | 38.9                  | %           | 37.6                  | %          | 39.6                  | %          | 40.3                  | %           | 38.8                  | %          | 39.5               | %          |
|                                                                      |       |                  |        |                  |       |                  |       |                  |        |                  |       |               |       |
| Preferred dividends                                                       |       | $                     | —      |                  | $          | —                |       | $                     | —      |                  | $          | —             |       | $ | — |   | $ | — |   |

 

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(1) Preferred security dividends of Interline New Jersey are excluded from fixed charges as preferred stock is held solely by corporate parent.

 

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