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 * RYAN COURTNEY J   2. Issuer Name and Ticker or Trading Symbol JABIL CIRCUIT INC [JBL] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) SVP, Global Supply Chain (Last) (First) (Middle) 10560 DR. MARTIN LUTHER KING JR. ST N 3. Date of Earliest Transaction (Month/Day/Year) 04/17/2006 (Street) ST. PETERSBURG, FL 33716-3718 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 Stock (1) 04/17/2006   M   12,200 A $ 23.0938 75,645 (2) D   Common Stock (1) 04/17/2006   M   4,100 A $ 8 79,745 D   Common Stock (1) 04/17/2006   S   600 D $ 41.74 79,145 D   Common Stock (1) 04/17/2006   S   1,400 D $ 41.75 77,745 D   Common Stock (1) 04/17/2006   S   600 D $ 41.76 77,145 D   Common Stock (1) 04/17/2006   S   600 D $ 41.77 76,545 D   Common Stock (1) 04/17/2006   S   300 D $ 41.78 76,245 D   Common Stock (1) 04/17/2006   S   1,400 D $ 41.79 74,845 D   Common Stock (1) 04/17/2006   S   1,000 D $ 41.8 73,845 D   Common Stock (1) 04/17/2006   S   900 D $ 41.81 72,945 D   Common Stock (1) 04/17/2006   S   300 D $ 41.83 72,645 D   Common Stock (1) 04/17/2006   S   100 D $ 41.91 72,545 D   Common Stock (1) 04/17/2006   S   800 D $ 41.94 71,745 D   Common Stock (1) 04/17/2006   S   400 D $ 41.96 71,345 D   Common Stock (1) 04/17/2006   S   1,100 D $ 41.97 70,245 D   Common Stock (1) 04/17/2006   S   800 D $ 41.99 69,445 D   Common Stock (1) 04/17/2006   S   6,000 D $ 42 63,445 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

Incentive Stock Option (right to buy) (1)

$ 8

04/17/2006

M

4,100

12/26/1998(3)

06/26/2008

Common Stock

4,100

$ 0 (4)

11,900

D

Incentive Stock Option (right to buy) (1)

$ 23.0938

04/17/2006

M

12,200

04/20/2000(5)

10/20/2009

Common Stock

12,200

$ 0 (4)

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
RYAN COURTNEY J 10560 DR. MARTIN LUTHER KING JR. ST N ST. PETERSBURG, FL 33716-3718			SVP, Global Supply Chain

Signatures

By: Robert L. Paver, Attorney-in-Fact For: Courtney J. Ryan		04/19/2006
**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)	This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.
(2)	Column 5 of Table I includes 479 shares acquired on December 31, 2005 under the 2002 Employee Stock Purchase Plan of Jabil Circuit, Inc.
(3)	Options shall vest at the rate of 12% of the shares upon the expiration of six (6) months after the Vesting Commencement Date (06/26/98) and 2% of the shares at the end of each month thereafter provided that the optionee is an employee of the Company.
(4)	The derivative security is a stock option issued under the Issuer's 1992 Stock Option Plan. $0.00 has been inserted to satisfy the requirements to submit this form via the EDGAR system.
(5)	Options shall vest at the rate of 12% of the shares upon the expiration of six (6) months after the Vesting Commencement Date (10/20/99) and 2% of the shares at the end of each month thereafter provided that the optionee is an employee of the Company.

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