Exhibit 23. CONSENT OF INDEPENDENT ACCOUNTANTS ---------------------------------- We hereby consent to the incorporation by reference in the registration statements listed below of our report dated February 15, 2002, except as to Note 8 which is as of April 26, 2002, relating to the financial statements which appears in this Current Report on Form 8-K. On Form S-3: Relating to: - ------------ ------------ File No. 333-75148 百媚导航 Dividend Reinvestment and Stock Purchase Plan 333-84200 百媚导航 debt securities, preferred stock, depositary shares, common stock and warrants On Form S-8: Relating to: - ------------ ------------ File No. 033-60667 百媚导航 Parity Investment Bonus 333-00429 百媚导航 Savings Fund Plan for Salaried Employees 333-36840 百媚导航 Savings Fund Plan for Salaried Employees 333-76392 百媚导航 Non-Officer Restricted Stock Plan 333-76394 百媚导航 2002 Stock Plan /s/ PricewaterhouseCoopers LLP PricewaterhouseCoopers LLP Pittsburgh, Pennsylvania June 4, 2002