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 OF SECURITIES 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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(Print or Type Responses)

1. Name and Address of Reporting Person * ROGGE KAREN M   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) VP Corp. Finance and Treasurer (Last) (First) (Middle) SEAGATE TECHNOLOGY, 920 DISC DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 03/02/2006 (Street) SCOTTS VALLEY, CA 95066 4. If Amendment, Date Original Filed(Month/Day/Year) 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 (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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 03/02/2006   M   5,000 A $ 19.735 6,680.2661 (1) D   Common Shares 03/02/2006   S   5,000 D $ 27.5 (2) 1,680.2661 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

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 (Month/Day/Year)

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

$ 19.735

03/02/2006

M

5,000

01/05/2005(3)

01/05/2014

Common Shares

5,000

$ 19.735

85,000

D

NQ Stock Options

$ 13.62

09/16/2005(4)

09/16/2011

Common Shares

25,000

25,000

D

NQ Stock Options

$ 15.065

09/27/2006(5)

09/27/2012

Common Shares

25,000

25,000

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
ROGGE KAREN M SEAGATE TECHNOLOGY 920 DISC DRIVE SCOTTS VALLEY, CA 95066			VP Corp. Finance and Treasurer

Signatures

/S/ Roberta S. Cohen for Karen M. Rogge		03/06/2006
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Includes 385 shares acquired under the company's Employee Stock Purchase Plan at $16.218 per share on 31 January 2006.
(2)	The Sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on July 25, 2005.
(3)	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 5, 2005. The remaining option shares are vesting proportionally each month over the 48 months following January 5, 2005.
(4)	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 September 16, 2005. The remaining option shares are vesting proportionally each month over the 48 months following September 16, 2005.
(5)	Options granted to the Reporting Person under the Issuer's 2004 Stock Compensation Plan are subject to a four-year vesting schedule. One quarter of the option shares will vest on September 27, 2006. The remaining option shares will vest proportionally each month over the 36 months following September 27, 2006.

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