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 * JACKSON LAWRENCE V   2. Issuer Name and Ticker or Trading Symbol PROLOGIS [PLD] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 4545 AIRPORT WAY 3. Date of Earliest Transaction (Month/Day/Year) 05/18/2011 (Street) DENVER, CO 80239 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

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

Deferred Share Units

$ 0 (1)

05/18/2011

05/18/2011

A

6,341

(1)

(1)

Common Shares of Beneficial Interest

6,341

$ 0

26,866

D

Phantom Shares

$ 0 (2)

(2)

(2)

Common Shares of Beneficial Interest

21,046

21,046

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
JACKSON LAWRENCE V 4545 AIRPORT WAY DENVER, CO 80239	X

Signatures

/s/ Kristi Oberson, attorney-in-fact for Lawrence Jackson		05/20/2011
**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)	Award of Deferred Share Units (DSUs). DSUs are fully vested at grant and are deferred until the reporting person ceases to be a trustee, at which time the units convert into ProLogis common shares on a 1-for-1 basis. DSUs have no exercisable or expiration date. Balance in column 9 includes DEUs earned through divided reinvestment related to the DSUs.
(2)	Reporting holdings of phantom shares. Represents trustee fees payable in ProLogis common shares that the reporting person has elected to defer into phantom shares. Phantom shares are generally payable when the reporting person ceases to be a trustee, at which time the phantom shares convert into ProLogis common shares on a 1-for-1 basis. Balance in column 9 includes phantom shares earned through dividend reinvestment related to the phantom shares.

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