X0202 4/A 2004-06-01 2004-06-03 0 0000729922 OSI PHARMACEUTICALS INC OSIP 0001111363 BROWNE G MORGAN C/O OSI PHARMACEUTICALS, INC. 58 SOUTH SERVICE ROAD, SUITE 110 MELVILLE NY 11747 1 0 0 0 See Remarks 2004-06-01 4 J 0 0 0.00 A 0 D See Remarks 2004-06-01 4 J 0 0 0.00 D 0 D This amended Form 4 is being filed to correct the date of the reporting person's Rule 10b5-1 trading plan indicated in footnote number 1 of the original Form 4. The transactions reported in the Form 4 filed on June 3, 2004 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2004. Robert L. Van Nostrand by Power of Attorney 2004-07-08