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 *
Santillan Laura
   2. Issuer Name and Ticker or Trading Symbol
ALLIANCE DATA SYSTEMS CORP [ADS] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
SVP, Chief Acctg. Officer
(Last)
(First)
(Middle)
7500 DALLAS PARKWAY, SUITE 700		 3. Date of Earliest Transaction (Month/Day/Year)
03/04/2011
(Street)

PLANO, TX 75024		 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 03/04/2011   S(1)   823 D $ 81 13,982 (2) D  

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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
Santillan Laura
7500 DALLAS PARKWAY, SUITE 700
PLANO, TX 75024		       SVP, Chief Acctg. Officer  

Signatures

 Cynthia L. Hageman, Attorney in Fact   03/08/2011
**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) The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 27, 2010. The trading plan was established to sell up to 823 shares of the Company's common stock. Portions of the shares may be sold on specified dates or any time the stock achieves certain pre-arranged minimum prices and may take place beginning on April 30, 2010 and ending on April 27, 2011, unless sooner terminated. The Reporting Person will have no control over the timing of any sales under the plan and there can be no assurance that the shares covered by the plan actually will be sold. The Reporting Person entered into the plan for personal tax and financial planning purposes and will continue to have a significant ownership interest in the Company.
(2) The total number of securities beneficially owned includes: (a) 8,182 unrestricted shares; (b) 400 shares held in an IRA account; (c) 1,496 unvested units from an award of 4,400 performance-based restricted stock units granted 2/23/09; (d) 743 unvested units from an award of 1,108 time-based restricted stock units granted 2/22/10; and (e) 3,161 unvested units from an award of 4,741 performance-based restricted stock units granted 2/22/10.

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