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(1) Diluted net (loss) income per share and average share information in accordance with the accounting standard regarding earnings per share. 

(2) Calculated using amounts determined under GAAP , using provision for losses to calculate the loss ratio and policy acquisition costs and other operating expenses to calculate the expense ratio as a percentage of net premiums earned. The 2008 expense ratio for our mortgage insurance segment includes the write-of f of $50.8 million of deferred policy acquisition costs as a result of the establishment of a first-lien premium deficiency reserve. The financial guaranty expense ratio increased due to our discontinuation of new business writings in 2008 and the recaptures of reinsurance business by certain of our primary reinsurance customers noted in (4) below . 

(3) Consists of international insurance risk, second-lien insurance risk and other structured mortgage-related insurance risk. 

(4) Reflects the recaptures of reinsurance business by certain of our financial guaranty ceding companies in 2008 and 2009. 

