Ownership Submission
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 *
WATSON ROBERT J
  2. Issuer Name and Ticker or Trading Symbol
PROLOGIS [PLD]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Pres. of N. America Operations
(Last)
(First)
(Middle)
14100 E. 35TH PLACE
3. Date of Earliest Transaction (Month/Day/Year)
01/03/2005
(Street)

AURORA, CO 80011
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 of Beneficial Interest, par value $0.01 (1) 01/03/2005   M   16,900 A (1) 59,030 D  
Common Shares of Beneficial Interest, par value $0.01 (2) 01/03/2005   F   5,383.506 (2) D $ 42.6 53,646.494 D  
Common Shares of Beneficial Interest, par value $0.01 (3) 01/03/2005   M   1,627.322 A (3) 55,273.816 D  
Common Shares of Beneficial Interest, par value $0.01 (2) 01/03/2005   F   505.772 (2) D $ 42.6 54,768.044 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
Performance Share Unit Award (1) (1) 01/03/2005   M     16,900   (1)   (1) Common Shares of Beneficial Interest 16,900 (1) 619,442.929 D  
Dividend Equivalent Units (3) (3) 01/03/2005   M     1,627.322   (3)   (3) Common Shares of Beneficial Interest 1,627.322 (3) 617,815.607 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
WATSON ROBERT J
14100 E. 35TH PLACE
AURORA, CO 80011
      Pres. of N. America Operations  

Signatures

 Kate M. Meade, Attorney-in-fact on behalf of Robert J. Watson   01/05/2005
**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) Automatic conversion of performance share unit award earned on 12/31/02. Units convert into common shares on a 1 for 1 basis.
(2) Payment of tax liaibility by reporting person to issuer pursuant to the conversion of performance share unit award and dividend equivalent unit award.
(3) Automatic conversion of dividend equivalent units. Dividend Equivalent Units are earned and accrue on restricted stock and option grants pursuant to the ProLogis 1997 Long-Term Incentive Plan. The rate of vest and the expiration date is the same as the underlying grant. DEUs are converted in common shares on a 1 for 1 basis.

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