Sec Form 4 Filing - KRYDER MARK H @ SEAGATE TECHNOLOGY - 2007-05-01

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person KRYDER MARK H 2. Issuer Name and Ticker or Trading Symbol SEAGATE TECHNOLOGY [ STX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) SVP, CTO, Research (Last) (First) (Middle) 920 DISC DRIVE, ATTN: STOCK PLAN ADMINISTRATION 3. Date of Earliest Transaction (MM/DD/YY) 05/01/2007 (Street) SCOTTS VALLEY, CA95067 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Shares 05/01/2007 M 50,000 A $ 5 825,890 ( 1 ) D Common Shares 05/01/2007 S 50,000 D $ 21.65 775,890 D Common Shares 05/02/2007 M 190,000 A $ 5 965,890 D Common Shares 05/02/2007 S 78,625 D $ 21.4841 887,265 D Common Shares 05/03/2007 S 1,141 D $ 22.17 886,124 D Common Shares 1,825 I Spouse - Sandra Kryder

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares NQ Stock Options $ 5 05/01/2007 M 50,000 01/31/2006( 2 ) 01/31/2012 Common Shares 50,000 $ 0 190,000 D NQ Stock Options $ 5 05/02/2007 M 190,000 01/31/2006 01/31/2012 Common Shares 190,000 $ 0 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other KRYDER MARK H 920 DISC DRIVE ATTN: STOCK PLAN ADMINISTRATION SCOTTS VALLEY, CA95067 SVP, CTO, Research Signatures /s/ Roberta S. Cohen for Mark H. Kryder 05/03/2007 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Includes an aggregate of 923 shares, par value $0.00001 per share (the "Common Shares") of Seagate Technology (the "Issuer") received by the Reporting Person under the Issuer's Employee Stock Purchase Plan on January 31, 2007. ( 2 )Options granted to the Reporting Person under the Issuer's 2001 Share Option Plan are subject to a five-year vesting schedule. One fifth of the option shares vested on January 31, 2006. The remaining option shares will vest on January 31, 2007.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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