X0201 4 2003-10-10 0 0001082554 UNITED THERAPEUTICS CORP UTHR 0001106578 ROTHBLATT MARTINE A 1 1 0 0 CEO Common Stock 2003-10-10 2003-10-10 5 G 0 E 100000 0 A 997373 D Gift of 100,000 shares to the Reporting Person from the Reporting Person's spouse, with no effect on the total number of shares beneficially owned by the Reporting Person. The gifted 100,000 shares reported on this Form 4 were already included in the total number of shares beneficially owned by the Reporting Person since these shares were owned by the Reporting Person's spouse. The number of shares previously reported as held by the Reporting Person's spouse is now decreased by 100,000 shares to 271,173 shares, with the Reporting Person now having direct ownership of the gifted 100,000 shares. Paul A. Mahon under Power of Attorney 2003-10-14