X0303 4 2011-01-04 0 0000878088 PAR PHARMACEUTICAL COMPANIES, INC. PRX 0001055404 LEPORE PATRICK G C/O PAR PHARMACEUTICAL COMPANIES, INC. 300 TICE BLVD WOODCLIFF LAKE NJ 07677 1 1 0 0 Chairman, Pres and CEO Common Stock 2011-01-04 4 F 0 2940 39.79 D 220553 D Common Stock 15000 I By Limited Partnership Common Stock 15000 I By Trust Surrender of shares in payment of tax withholding due as a result of the vesting of Restricted Stock granted in accordance with Rule 16b-3. Includes (i) 96,600 shares of Common Stock, and (ii) 123,953 shares of Restricted Stock and Restricted Stock Units, held by Mr. LePore. The shares are held by Park Street Investors, L.P. ("PSI"), a Delaware limited partnership. The General Partner of PSI is Park Street Investment Corporation ("PSIC"), a Delaware corporation, of which Mr. LePore and his spouse are officers and directors and together own a majority of the outstanding stock of PSIC. The shares are held by the Patrick LePore Revocable Trust of 2002, of which Mr. LePore is the Grantor, Trustee and beneficiary. /s/ Marian E. Gustafson for Patrick G. LePore 2011-01-06