Average shareholders’ equity is (a) the sum of total shareholders’ equity at the beginning and end of each of the quarters for the period presented divided by (b) the number of quarters in the period presented times two.

Adjusted shareholders’ equity is shareholders’ equity excluding net unrealized investment gains (losses), net of tax, included in shareholders’ equity, net realized investment gains (losses), net of tax, for the period presented and the effect of a change in tax laws and tax rates at enactment (excluding the portion related to net unrealized investment gains (losses)). Adjusted average shareholders’ equity is (a) the sum of adjusted shareholders’ equity at the beginning and end of each of the quarters for the period presented divided by (b) the number of quarters in the period presented times two.

Return on equity is the ratio of (a) net income for the period presented to (b) average shareholders’ equity for the period presented. Core return on equity is the ratio of (a) core income for the period presented to (b) adjusted average shareholders’ equity for the period presented. Definitions of other terms used in this Annual Report are included in the Glossary of Selected Insurance Terms portion of the Form 10-K.

We have included the tables below and on the next page to provide reconciliations of certain GAAP financial measures to non-GAAP financial measures as follows: (i) a reconciliation of net income to core income, (ii) a reconciliation of shareholders’ equity to adjusted shareholders’ equity, which are components of the return on equity and core return on equity ratios, (iii) a calculation of return on equity and core return on equity, (iv) a calculation of book value per share and adjusted book value per share, (v) a reconciliation of after-tax underwriting gain (excluding the impact of catastrophes and net favorable (unfavorable) prior year reserve development) to net income and (vi) a reconciliation of invested assets to invested assets excluding net unrealized investment gains (losses).