EXHIBIT 12.1

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

PEMSTAR, Inc.



|                                                                                                              |  |                      |         |   |      |   |         |      |  |   |         |   |  |      |         |   |  |   |         |  
|------------------------------------------------------------------------------------------------------------- |  | -------------------- | ------- | - | ---- | - | ------- | ---- |  | - | ------- | - |  | ---- | ------- | - |  | - | ------- | -
|(In thousands)                                                                                                |  | Year ended March 31, |        
|                                                                                                              |  | 2006                 |         |   | 2005 |   |         | 2004 |  |   | 2003    |   |  | 2002 |        
|Earnings:                                                                                                     |  |                      |         |   |      |   |         |      |  |   |         |   |  |      |         |   |  |   |         |  
|Loss from continuing operations before income taxes, net of cumulative effect of accounting change in 2003(1) |  | $                    | (21,834 | ) |      | $ | (25,862 | )    |  | $ | (15,963 | ) |  | $    | (33,649 | ) |  | $ | (50,676 | )
|Add:                                                                                                          |  |                      |         |   |      |   |         |      |  |   |         |   |  |      |         |   |  |   |         |  
|Rent expense representative of interest(2)                                                                    |  |                      | 1,988   |   |      |   | 2,564   |      |  |   | 3,439   |   |  |      | 3,864   |   |  |   | 2,778   |  
|Interest expense net of capitalized interest                                                                  |  |                      | 8,583   |   |      |   | 7,127   |      |  |   | 6,717   |   |  |      | 7,342   |   |  |   | 6,334   |  
|Amortization of debt discount and expense                                                                     |  |                      | 1,005   |   |      |   | 1,035   |      |  |   | 1,225   |   |  |      | 1,528   |   |  |   | 915     |  
|Amortization of capitalized interest                                                                          |  |                      | 36      |   |      |   | 36      |      |  |   | 14      |   |  |      | 17      |   |  |   | 11      |  
|                                                                                                              |  |                      |         |   |      |   |         |      |  |   |         |   |  |      |         |   |  |   |         |  
|Adjusted Earnings                                                                                             |  | $                    | (10,222 | ) |      | $ | (15,100 | )    |  | $ | (4,568  | ) |  | $    | (20,898 | ) |  | $ | (40,638 | )
|                                                                                                              |  |                      |         |   |      |   |         |      |  |   |         |   |  |      |         |   |  |   |         |  
|Fixed Charges:                                                                                                |  |                      |         |   |      |   |         |      |  |   |         |   |  |      |         |   |  |   |         |  
|Rent expense representative of interest(2)                                                                    |  | $                    | 1,988   |   |      | $ | 2,564   |      |  | $ | 3,439   |   |  | $    | 3,864   |   |  | $ | 2,778   |  
|Interest expense net of capitalized interest                                                                  |  |                      | 8,583   |   |      |   | 7,127   |      |  |   | 6,717   |   |  |      | 7,342   |   |  |   | 6,334   |  
|Amortization of debt discount and expense                                                                     |  |                      | 1,005   |   |      |   | 1,035   |      |  |   | 1,225   |   |  |      | 1,528   |   |  |   | 915     |  
|Capitalized interest                                                                                          |  |                      |        |   |      |   |        |      |  |   | 346     |   |  |      |        |   |  |   | 205     |  
|                                                                                                              |  |                      |         |   |      |   |         |      |  |   |         |   |  |      |         |   |  |   |         |  
|Fixed Charges                                                                                                 |  | $                    | 11,576  |   |      | $ | 10,726  |      |  | $ | 11,727  |   |  | $    | 12,734  |   |  | $ | 10,232  |  
|                                                                                                              |  |                      |         |   |      |   |         |      |  |   |         |   |  |      |         |   |  |   |         |  
|Ratio of earnings to fixed charges                                                                            |  |                      | (3      | ) |      |   | (3      | )    |  |   | (3      | ) |  |      | (3      | ) |  |   | (3      | )
|                                                                                                              |  |                      |         |   |      |   |         |      |  |   |         |   |  |      |         |   |  |   |         |  

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|(1) | Fiscal 2003 includes a goodwill write-down of $5,346 classified as a cumulative effect of accounting change.
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|(2) | Calculated as one-third of rentals, which is considered representative of the interest factor.
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|(3) | Adjusted earnings were not sufficient to cover fixed charges, falling short by $21,798, $25,826, $16,295, $33,632 and $50,870, for the years ended March 31,
2006, March 31, 2005, March 31, 2004, March 31, 2003, and March 31, 2002, respectively.
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