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 of the Board
(Last)
(First)
(Middle)
17655 WATERVIEW PARKWAY
3. Date of Earliest Transaction (Month/Day/Year)
09/17/2009
(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 09/17/2009   M(1)   173,900 A $ 15 547,996 D  
Common Stock 09/17/2009   S(1)   173,900 D $ 64.04 374,096 D  
Common Stock 09/18/2009   M(1)   56,100 A $ 15 430,196 D  
Common Stock 09/18/2009   S(1)   56,100 D $ 63.98 374,096 (2) 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
Employee Stock Option (Right to Buy) $ 15 09/17/2009   M(1)     173,900   (3) 08/31/2010 Common Stock 173,900 (3) 565,588 D  
Employee Stock Option (Right to Buy) $ 15 09/18/2009   M(1)     56,100   (3) 08/31/2010 Common Stock 56,100 (3) 509,488 (4) D  

Reporting Owners

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

Signatures

 Leigh Ann K. Epperson, Attorney in Fact   09/18/2009
**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) Cashless exercise of employee stock options due to expire on August 31, 2010, ten years after such options were granted.
(2) The total number of securities beneficially owned includes: (a) 190,940 unrestricted shares; (b) 5,985 unvested shares from an original award of 17,601 time-based restricted stock units granted 2/21/07; (c) 68,844 unvested shares from an original award of 102,752 performance-based restricted stock units granted 4/28/08; (d) 56,327 unvested shares from an original award of 84,070 time-based restricted stock units granted 4/28/08; and (e) 52,000 unvested time-based restricted stock units granted 3/27/09.
(3) This is an employee stock option grant that is fully vested.
(4) The total number of derivative securities beneficially owned includes: (a) an option for 109,388 shares granted 6/8/01, which is fully vested; (b) an option for 106,203 shares granted 6/24/03, which is fully vested; (c) an option for 129,291 shares granted 2/2/04, which is fully vested; (d) an option for 58,626 shares granted 2/3/05, which is fully vested; (e) an option for 64,572 shares granted 2/13/06, which is fully vested; and (f) an option for 41,408 shares granted 2/21/07, of which 27,329 shares are fully vested and 14,079 shares will vest on 2/21/10.

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