X0202 4 2005-09-06 0 0000874255 MEDAREX INC MEDX 0001214506 LONBERG NILS MEDAREX, INC. 521 COTTONWOOD DRIVE MILPITAS CA 95035 0 1 0 0 Sr. VP, Scientific Director Common Stock, $.01 par value per share 67993 D Stock Options (Right to Buy) 2.72 1997-12-18 4 A 0 30000 0 A 1998-06-18 2007-12-17 Common Stock 30000 30000 D Stock Options (Right to Buy) 3.43 1999-11-01 4 A 0 224000 0 A 2000-05-01 2009-10-31 Common Stock 224000 224000 D Stock Options (Right to Buy) 12.9 2001-09-19 4 A 0 100000 0 A 2002-09-19 2011-09-18 Common Stock 100000 100000 D Stock Options (Right to Buy) 6.37 2002-07-11 4 A 0 200000 0 A 2003-07-11 2012-07-10 Common Stock 200000 200000 D Stock Options (Right to Buy) 6.33 2003-09-08 4 A 0 25000 0 A 2004-03-08 2011-01-08 Common Stock 25000 25000 D Stock Options (Right to Buy) 7.155 2003-10-14 4 A 0 200000 0 A 2004-10-14 2013-10-13 Common Stock 200000 200000 D Phantom Stock Units 0 2004-03-02 4 A 0 18018 0 A 2004-03-02 2007-03-02 Common Stock 18018 18018 D Stock Options (Right to Buy) 5.61 2004-07-26 4 A 0 185000 0 A 2005-07-26 2014-07-25 Common Stock 185000 185000 D Phantom Stock Units 0 2005-02-08 4 A 0 28310 0 A 2005-02-08 2008-02-08 Common Stock 28310 28310 D Stock Options (Right to Buy) 9.90 2005-09-06 4 A 0 250000 0 A 2006-09-06 2015-09-05 Common Stock 250000 250000 D All share amounts reflect the Company's 2 for 1 stock split effected October 27, 2000. Options representing 25,000 shares became exercisable on September 19, 2002. The remaining options become exercisable in 36 equal monthly installments beginning on October 19, 2002. Options representing 50,000 shares became exercisable on July 11, 2003. The remaining options become exercisable in 36 equal monthly installments beginning on August 11, 2003. Options representing 50,000 shares became exercisable on October 14, 2004. The remaining options become exerciseable in 36 equal monthly installments beginning on November 14, 2004. Represents phantom stock units convertible into shares of the Company's common stock on a 1-for-1 basis. The phantom stock units are settled 100% in shares of the Company's common stock on March 2, 2007. Phantom stock units representing 11,261 vest immediately. The remaining phantom stock units vest in three equal annual installments beginning on March 2, 2005. Options representing 46,250 shares became exercisable on July 26, 2005. The remaining options become exercisable in 36 equal monthly installments beginning on August 26, 2005. Represents phantom stock units convertible into shares of the Company's common stock on a 1-for-1 basis. The phantom stock units are to be settled 100% in shares of the Company's common stock on February 8, 2008. Phantom stock units representing 17,694 shares vest immediately. The remaining phantom stock units vest in three equal annual installments beginning on February 8, 2006. Options representing 62,500 shares become exercisable on September 6, 2006. The remaining options become exercisable in 36 equal monthly installments beginning on October 6, 2006. NILS LONBERG 2005-09-08