EXHIBIT 32.2 CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the annual report on Form 10-K of King Pharmaceuticals, Inc. filed with the Securities and Exchange Commission on March 3, 2006, as amended by this Amendment No. 1 (together, this "report"), I, Joseph Squicciarino, Chief Financial Officer of King Pharmaceuticals, Inc., certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that: 1. This report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and 2. The information contained in this report fairly presents, in all material respects, the financial condition and results of operations of King Pharmaceuticals, Inc. /s/ JOSEPH SQUICCIARINO -------------------------------------- Joseph Squicciarino Chief Financial Officer Date: March 8, 2006