EX-23.4 5 w57514a2ex23-4.txt CONSENT OF BEFEC-PRICE WATERHOUSE Exhibit 23.4 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of Cephalon, Inc. of our report dated December 26, 2001, relating to the financial statements of Lafon Group, which appear in Cephalon, Inc.'s Current Report on Form 8-K/A filed on April 16, 2002. We also consent to the reference to us under the heading "Experts" in such Registration Statement. Paris, France May 14, 2002 Befec-Price Waterhouse Member of PricewaterhouseCoopers /s/ Liliane Tellier Partner