Exhibit 32.1

CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Patrick G. LePore, President and Chief Executive Officer of Par Pharmaceutical Companies, Inc. (the “Company”), certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of my knowledge:

(1)	the Company’s Annual Report on Form 10-K/A for the year ended December 31, 2005 (the “Report”) fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934; and
(2)	the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Patrick G. LePore Patrick G. LePore

President and Chief Executive Officer

March 9, 2007

This certification is being furnished to the Securities and Exchange Commission with this Annual Report on Form 10-K/A pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 and shall not, except to the extent required by such Act, be deemed filed by the Company for purposes of Section 18 of the Securities Exchange Act of 1934.