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Maximum percentage of payroll for purchase of stock

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Percentage of payroll deduction to compensation.

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Percentage of the balance sheet date at which grantees can acquire the shares reserved for issuance on stock options awarded under the plan during the reporting period.

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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MKS INC 10-K