1 Earnings per share, excluding investment gains/losses, is a non-GAAP financial measure. See reconciliation above. 2 EBITDA, excluding investment gains/losses, is a non-GAAP financial measure. Please see reconciliation on page 28 of the enclosed Form 10-K. 3 Total accounts are all open client accounts (funded and unfunded), except clearing accounts. 4 Qualified accounts are all open client accounts with a total liquidation value greater than or equal to $2,000, except clearing accounts. 5 Based on net income, excluding investment gains/losses. See reconciliation of non-GAAP financial measures above.