Item 2.05 Costs Associated with Exit or Disposal
Activities.

On May 22, 2009, the Board of Directors of Power-One, Inc. (the "Company") authorized the Company to initiate an exit plan with respect to its business in the Dominican Republic. The plan is expected to be completed by the end of the first quarter 2010. Through implementation of this action, the Company expects to (i) realign global manufacturing and sourcing; (ii) improve operational performance; (iii) increase efficiencies in the supply chain and manufacturing process and (iv) improve its ability to respond to customer requirements in a cost effective manner. The Company expects to record severance and other charges of $13 to $15 million beginning in the second fiscal quarter of 2009 and through the first quarter of 2010. The Company expects that the portion of the charge that will result in future cash expenditures will be approximately $5 million for severance for terminated employees and approximately $4 to $5 million for other costs associated with the facility closure. The Company also expects to record non-cash charges of approximately $3 to $5 million related to asset and inventory charges.

See Press Release dated May 27, 2009 entitled "Power-One Announces Closing of the Dominican Republic Facility, attached as Exhibit 99.1 to this Current Report.

Item 9.01 Financial Statements and Exhibits.

Exhibit Number Description Exhibit 99.1 Power-One, Inc. Press release dated May 27, 2009 entitled "Power-One Announces Closing of the Dominican Republic Facility".

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