X0101 42003-05-29 0000789019 MICROSOFT CORP MSFT 0000902015 BALLMER STEVEN A 1100Chief Executive OfficerCommon Stock2003-05-294S0853524.28D419511087DCommon Stock2003-05-294S018477524.29D419326312DCommon Stock2003-05-294S07504424.3D419251268DCommon Stock2003-05-294S013806024.31D419113208DCommon Stock2003-05-294S04575924.32D419067449DCommon Stock2003-05-294S01378724.33D419053662DCommon Stock2003-05-294S01690024.34D419036762DCommon Stock2003-05-294S02187424.35D419014888DCommon Stock2003-05-294S03807124.36D418976817DCommon Stock2003-05-294S013441824.37D418842399DCommon Stock2003-05-294S06519824.38D418777201DCommon Stock2003-05-294S028470024.39D418492501DCommon Stock2003-05-294S070213724.4D417790364DCommon Stock2003-05-294S04641124.41D417743953DCommon Stock2003-05-294S03985624.42D417704097DCommon Stock2003-05-294S027378924.43D417430308DCommon Stock2003-05-294S017714324.44D417253165DCommon Stock2003-05-294S013598924.45D417117176DCommon Stock2003-05-294S09933824.46D417017838DCommon Stock2003-05-294S011489224.47D416902946DCommon Stock2003-05-294S08041924.48D416822527DCommon Stock2003-05-294S07361224.49D416748915DCommon Stock2003-05-294S01500024.5D416733915DCommon Stock2003-05-294S025979524.52D416474120DCommon Stock2003-05-294S023209124.6D416242029DCommon Stock2003-05-294S07759324.61D416164436DCommon Stock2003-05-294S039519924.62D415769237DCommon Stock2003-05-294S023929024.63D415529947DCommon Stock2003-05-294S01032524.64D415519622DThis sale was effected pursuant to a 10b5-1 sales plan adopted by the reporting person.John A. Seethoff, Attorney-in-Fact for Steven A. Ballmer2003-05-30