THE COMPANY AND BASIS OF PREPARATION.

6 Months Ended

Jun. 30, 2011

The Company and Basis of Preparation [Abstract]

The Company and Basis of Preparation [Text Block]

NOTE 1 — THE COMPANY AND BASIS OF PREPARATION.

T. Rowe Price Group derives its consolidated revenues and net income primarily from investment advisory services that its subsidiaries provide to individual and institutional investors in the sponsored T. Rowe Price mutual funds and other investment portfolios. We also provide our investment advisory clients with related administrative services, including mutual fund transfer agent, accounting and shareholder services; participant recordkeeping and transfer agent services for defined contribution retirement plans; brokerage; and trust services.

Investment advisory revenues depend largely on the total value and composition of assets under our management. Accordingly, fluctuations in financial markets and in the composition of assets under management impact our revenues and results of operations.

These unaudited condensed consolidated financial statements are prepared in accordance with accounting principles generally accepted in the United States, which require the use of estimates and reflect all adjustments that are, in the opinion of management, necessary to a fair statement of our results for the interim periods presented. All such adjustments are of a normal recurring nature. Actual results may vary from our estimates.

The unaudited interim financial information contained in these condensed consolidated financial statements should be read in conjunction with the consolidated financial statements contained in our 2010 Annual Report.