Company Letterhead]Correction to Letter Agreement • November 9th, 2007 • Power Integrations Inc • Semiconductors & related devices • California
This letter is to confirm the correction of that certain letter agreement, dated December 8, 2006, by and between you and Power Integration, Inc. (the “December Agreement”), to reflect the amendment of stock option grant #1232 (the “Omitted Grant”) which was inadvertently omitted as an At Risk Option (as defined in the December Agreement) from the December Agreement. This letter acknowledges that the intent of the parties in the December Agreement was to amend the Omitted Option such that 431 shares under the Omitted Option would be exercisable in 2007 and 430 shares under the Omitted Option would be exercisable in 2008 (similarly to how option #1231 was amended in the December Agreement, which was granted on the same day and at the same exercise price as the Omitted Option). Enclosed is an Amended and Restated Incentive Stock Option Agreement to reflect such amendment. To acknowledge your agreement to the above-mentioned correction, please counter sign this letter below and the attach
