Indicate by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes /X/ No / / Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of the Registrant's knowledge, in definitive proxy or information statements incorporated by reference to Part III of this Form 10-K or any amendment to this Form 10-K. /X/ /X/ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 / / TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 CALIFORNIA 942404110 (State or other jurisdiction (I.R.S. Employer Identification No.) of incorporation or organization) 1 INFINITE LOOP 95014 CUPERTINO, CALIFORNIA (Zip Code) (Address of principal executive offices) The aggregate market value of voting stock held by nonaffiliates of the Registrant was approximately $16,599,375,661 as of December 10, 1999, based upon the closing price on the Nasdaq National Market reported for such date. Shares of Common Stock held by each executive officer and director and by each person who beneficially owns more than 5% of the outstanding Common Stock have been excluded in that such persons may under certain circumstances be deemed to be affiliates. This determination of executive officer or affiliate status is not necessarily a conclusive determination for other purposes. 161,158,987 shares of Common Stock Issued and Outstanding as of December 10,