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 *
PARKS J MICHAEL
  2. Issuer Name and Ticker or Trading Symbol
ALLIANCE DATA SYSTEMS CORP [ADS]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chairman, CEO & President
(Last)
(First)
(Middle)
17655 WATERVIEW PARKWAY
3. Date of Earliest Transaction (Month/Day/Year)
03/31/2006
(Street)

DALLAS, TX 75252-8012
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 03/31/2006   A(1)   2,744 A (1) 200,782 D  
Common Stock 03/31/2006   F(2)   8,693 D $ 46.43 192,089 (3) 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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
PARKS J MICHAEL
17655 WATERVIEW PARKWAY
DALLAS, TX 75252-8012
  X     Chairman, CEO & President  

Signatures

 Leigh Ann K. Epperson, Attorney in Fact   04/04/2006
**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) Based on the Company's cash EPS growth as compared to the GAAP EPS growth of the S&P 500, 113% of the performance-based restricted stock award granted on 2/3/05 vested, resulting in an additional 2,744 shares, for a total of 23,849 shares.
(2) 8,693 shares were withheld by the Company to satisfy the Reporting Person's tax withholding obligation upon the vesting of restricted stock.
(3) The total number of securities beneficially owned includes: (a) 868 out of an original 120,000 shares of restricted stock granted 9/1/00 which are fully vested; (b) 1,860 shares purchased in the open market; (c) 18,661 shares of performance-based restricted stock granted 6/24/03 which are fully vested; (d) 57,146 shares acquired by the exercising of vested employee stock options; (e) 5,740 out of an original 35,740 shares of performance-based restricted stock granted 2/2/04 which are fully vested; (f) 15,156 out of an original 23,849 shares of performance-based restricted stock granted 2/3/05, which are fully vested; (g) 19,263 out of an original 21,105 shares of time-based restricted stock granted 2/3/05, of which 5,122 shares are vested; (h) 19,283 out of an original 22,222 shares of time-based restricted stock granted 2/3/05, of which 8,172 shares are vested; (i) 27,056 performance-based restricted stock units granted 2/13/06, of which 0 shares are vested; (continued below)
 
Remarks:
(3) Continued from above:  and (j) 27,056 time-based restricted stock units granted 2/13/06, of which 0 shares are vested.

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