EXHIBIT 24

POWER OF ATTORNEY

PFPC Inc. Retirement Savings Plan

Each of the undersigned directors and/or officers of The PNC Financial Services Group, Inc. (“PNC”), a Pennsylvania corporation, hereby names, constitutes and appoints Samuel R. Patterson, Karen M. Barrett and Thomas R. Moore, and each of them individually, with full power to act without the others and with full power of substitution and resubstitution, the undersigned’s true and lawful attorney-in-fact and agent to execute for the undersigned and in his or her name, place and stead, in any and all capacities, the Registration Statement on Form S-8 (or other appropriate form) to be filed for the offering or sale of shares of PNC common stock in connection with the above-referenced plan, and any successor plan or plans, and for the offering or sale of interests of participation pursuant to the above-referenced plan, and any successor plan or plans, and any and all amendments (including post-effective amendments) to such registration statement, and any subsequent registration statements filed pursuant to Rule 462(b) under the Securities Act of 1933, as amended, and to file the same, with all exhibits thereto, and any and all other documents in connection therewith, with the Securities and Exchange Commission and any applicable securities exchange or securities self-regulating body, hereby granting to said attorneys-in-fact and agents, and each of them acting alone, full power and authority to do and perform each and every act and thing requisite and necessary to be done in connection therewith as fully to all intents and purposes as the undersigned might or could do in person;

And each of the undersigned hereby ratifies and confirms all that any said attorney-in-fact and agent, or any substitute, lawfully does or causes to be done by virtue hereof.

IN WITNESS WHEREOF, the following persons have duly signed this Power of Attorney this 27^th day of April, 2004.