SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ----------------------- SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b),(c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (Amendment No. )1 Alliance Data Systems Corporation ------------------------------------------------------------------------------- (Name of Issuer) Common Stock, $.01 par value ------------------------------------------------------------------------------- (Title of Class of Securities) 018581 10 8 ------------------------------------------------------------------------------- (CUSIP Number) June 7, 2001 ------------------------------------------------------------------------------- Date of Event Which Requires Filing of this Statement Check the appropriate box to designate the rule pursuant to which this Schedule is Filed: [ ] Rule 13d-1(b) [ ] Rule 13d-1(c) [X] Rule 13d-1(d) -------- 1The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page. The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act. CUSIP No. 018581 10 8 Page 2 of 13 Pages ------------------------------------------------------------------------------- 1) Name of Reporting Person Welsh, Carson, I.R.S. Identification Anderson & Stowe No. of Above Person VII, L.P. (Entities Only) ------------------------------------------------------------------------------- 2) Check the Appropriate Box (a) [ X ] if a Member of a Group (b) [ ] ------------------------------------------------------------------------------- 3) SEC Use Only ------------------------------------------------------------------------------- 4) Citizenship or Place Delaware of Organization ------------------------------------------------------------------------------- Number of 5) Sole Voting 17,922,447 shares Shares Beneficially Power of Common Stock Owned by Each Reporting Person With: -------------------------------------------- 6) Shared Voting Power -0- -------------------------------------------- 7) Sole Disposi- 17,922,447 shares of tive Power Common Stock ------------------------------------------------------------------------------- 8) Shared Dis- positive Power -0- -------------------------------------------- 9) Aggregate Amount Beneficially 17,922,447 shares of Owned by Each Reporting Person Common Stock ------------------------------------------------------------------------------- 10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares ------------------------------------------------------------------------------- 11) Percent of Class Represented by 24.2% Amount in Row (9) ------------------------------------------------------------------------------- 12) Type of Reporting Person PN CUSIP No. 018581 10 8 Page 3 of 13 Pages ------------------------------------------------------------------------------ 1) Name of Reporting Person Welsh, Carson, I.R.S. Identification Anderson & Stowe No. of Above Person VIII, L.P. (Entities Only) ------------------------------------------------------------------------------ 2) Check the Appropriate Box (a) [ X ] if a Member of a Group (b) [ ] ------------------------------------------------------------------------------ 3) SEC Use Only ------------------------------------------------------------------------------ 4) Citizenship or Place Delaware of Organization ------------------------------------------------------------------------------ Number of 5) Sole Voting 17,790,349 shares Shares Beneficially Power of Common Stock Owned by Each Reporting Person With: ------------------------------------------- 6) Shared Voting Power -0- ------------------------------------------- 7) Sole Disposi- 17,790,349 shares of tive Power Common Stock ------------------------------------------- 8) Shared Dis- positive Power -0- ------------------------------------------- 9) Aggregate Amount Beneficially 17,790,349 shares of Owned by Each Reporting Person Common Stock ------------------------------------------------------------------------------ 10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares ------------------------------------------------------------------------------ 11) Percent of Class Represented by 24.1% Amount in Row (9) ------------------------------------------------------------------------------ 12) Type of Reporting Person PN CUSIP No. 018581 10 8 Page 4 of 13 Pages ------------------------------------------------------------------------------ 1) Name of Reporting Person Welsh, Carson, I.R.S. Identification Anderson & Stowe No. of Above Person VI, L.P. (Entities Only) ------------------------------------------------------------------------------ 2) Check the Appropriate Box (a) [ X ] if a Member of a Group (b) [ ] ------------------------------------------------------------------------------ 3) SEC Use Only ------------------------------------------------------------------------------ 4) Citizenship or Place Delaware of Organization ------------------------------------------------------------------------------ Number of 5) Sole Voting 5,555,550 shares Shares Beneficially Power of Common Stock Owned by Each Reporting Person With: ------------------------------------------ 6) Shared Voting Power -0- ------------------------------------------ 7) Sole Disposi- 5,555,550 shares of tive Power Common Stock ------------------------------------------ 8) Shared Dis- positive Power -0- ------------------------------------------- 9) Aggregate Amount Beneficially 5,555,550 shares of Owned by Each Reporting Person Common Stock ------------------------------------------------------------------------------ 10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares ------------------------------------------------------------------------------ 11) Percent of Class Represented by 7.5% Amount in Row (9) ------------------------------------------------------------------------------ 12) Type of Reporting Person PN CUSIP No. 018581 10 8 Page 5 of 13 Pages ------------------------------------------------------------------------------ 1) Name of Reporting Person WCAS Capital I.R.S. Identification Partners III, L.P. No. of Above Person (Entities Only) ------------------------------------------------------------------------------ 2) Check the Appropriate Box (a) [ X ] if a Member of a Group (b) [ ] ------------------------------------------------------------------------------ 3) SEC Use Only ------------------------------------------------------------------------------ 4) Citizenship or Place Delaware of Organization ------------------------------------------------------------------------------ Number of 5) Sole Voting 655,555 shares Shares Beneficially Power of Common Stock Owned by Each Reporting Person With: ------------------------------------------- 6) Shared Voting Power -0- ------------------------------------------- 7) Sole Disposi- 655,555 shares of tive Power Common Stock ------------------------------------------- 8) Shared Dis- positive Power -0- ------------------------------------------- 9) Aggregate Amount Beneficially 655,555 shares of Owned by Each Reporting Person Common Stock ------------------------------------------------------------------------------ 10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares ------------------------------------------------------------------------------ 11) Percent of Class Represented by 0.9% Amount in Row (9) ------------------------------------------------------------------------------ 12) Type of Reporting Person PN CUSIP No. 018581 10 8 Page 6 of 13 Pages ------------------------------------------------------------------------------ 1) Name of Reporting Person WCAS Capital I.R.S. Identification Partners II, L.P. No. of Above Person (Entities Only) ------------------------------------------------------------------------------ 2) Check the Appropriate Box (a) [ X ] if a Member of a Group (b) [ ] ------------------------------------------------------------------------------ 3) SEC Use Only ------------------------------------------------------------------------------ 4) Citizenship or Place Delaware of Organization ------------------------------------------------------------------------------ Number of 5) Sole Voting 268,398 shares Shares Beneficially Power of Common Stock Owned by Each Reporting Person With: ------------------------------------------ 6) Shared Voting Power -0- ------------------------------------------ 7) Sole Disposi- 268,398 shares of tive Power Common Stock ------------------------------------------ 8) Shared Dis- positive Power -0- ------------------------------------------ 9) Aggregate Amount Beneficially 268,398 shares of Owned by Each Reporting Person Common Stock ------------------------------------------------------------------------------ 10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares ------------------------------------------------------------------------------ 11) Percent of Class Represented by 0.4% Amount in Row (9) ------------------------------------------------------------------------------ 12) Type of Reporting Person PN CUSIP No. 018581 10 8 Page 7 of 13 Pages ------------------------------------------------------------------------------ 1) Name of Reporting Person WCAS Information I.R.S. Identification Partners, L.P. No. of Above Person (Entities Only) ------------------------------------------------------------------------------ 2) Check the Appropriate Box (a) [ X ] if a Member of a Group (b) [ ] ------------------------------------------------------------------------------ 3) SEC Use Only ------------------------------------------------------------------------------ 4) Citizenship or Place Delaware of Organization ------------------------------------------------------------------------------ Number of 5) Sole Voting 148,766 shares Shares Beneficially Power of Common Stock Owned by Each Reporting Person With: ------------------------------------------ 6) Shared Voting Power -0- ------------------------------------------ 7) Sole Disposi- 148,766 shares of tive Power Common Stock ------------------------------------------ 8) Shared Dis- positive Power -0- ------------------------------------------ 9) Aggregate Amount Beneficially 148,766 shares of Owned by Each Reporting Person Common Stock ------------------------------------------------------------------------------ 10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares ------------------------------------------------------------------------------ 11) Percent of Class Represented by 0.2% Amount in Row (9) ------------------------------------------------------------------------------ 12) Type of Reporting Person PN CUSIP No. 018581 10 8 Page 8 of 13 Pages Schedule 13G ------------ Item 1(a) - Name of Issuer: Alliance Data Systems Corporation Item 1(b) - Address of Issuer's Principal Executive Offices: 17655 Waterview Parkway Dallas, Texas 75752 Item 2(a) - Name of Person Filing: This statement is being filed by Welsh, Carson, Anderson & Stowe VII, L.P., a Delaware limited partnership ("WCAS VII"), Welsh, Carson, Anderson & Stowe VIII, L.P., a Delaware limited partnership ("WCAS VIII"), Welsh, Carson, Anderson & Stowe VI, L.P., a Delaware limited partnership ("WCAS VI"), WCAS Capital Partners III, L.P., a Delaware limited partnership ("WCAS CP III"), WCAS Capital Partners II, L.P., a Delaware limited partnership ("WCAS CP II"), and WCAS Information Partners, L.P., a Delaware limited partnership ("WCAS IP"). Item 2(b) - Address of Principal Business Office: 320 Park Avenue, Suite 2500 New York, New York 10022 Item 2(c) - Place of Organization: WCAS VII: Delaware WCAS VIII: Delaware WCAS VI: Delaware WCAS CP III: Delaware WCAS CP II: Delaware WCAS IP: Delaware Item 2(d) - Title of Class of Securities: Common Stock, $.01 par value Item 2(e) - CUSIP Number: 018581 10 8 Item 3 - Statements Filed Pursuant to Rules 13d-1(b) or 13d-2(b): Not applicable. Item 4 - Ownership. (a) Amount Beneficially Owned: CUSIP No. 018581 10 8 Page 9 of 13 Pages WCAS VII: 17,922,447 shares of Common Stock WCAS VIII: 17,790,349 shares of Common Stock WCAS VI: 5,555,550 shares of Common Stock WCAS CP III: 655,555 shares of Common Stock WCAS CP II: 268,398 shares of Common Stock WCAS IP: 148,766 shares of Common Stock (b) Percent of Class: WCAS VII: 24.2% WCAS VIII: 24.1% WCAS VI: 7.5% WCAS CP III: 0.9% WCAS CP II: 0.4% WCAS IP: 0.2% (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: WCAS VII: 17,922,447 shares of Common Stock WCAS VIII: 17,790,349 shares of Common Stock WCAS VI: 5,555,550 shares of Common Stock WCAS CP III: 655,555 shares of Common Stock WCAS CP II: 268,398 shares of Common Stock WCAS IP: 148,766 shares of Common Stock (ii) shared power to vote or to direct the vote: -0- (iii) sole power to dispose or to direct the disposition of: WCAS VII: 17,922,447 shares of Common Stock WCAS VIII: 17,790,349 shares of Common Stock WCAS VI: 5,555,550 shares of Common Stock WCAS CP III: 655,555 shares of Common Stock WCAS CP II: 268,398 shares of Common Stock WCAS IP: 148,766 shares of Common Stock (iv) shared power to dispose or to direct the disposition of: -0- Item 5 - Ownership of Five Percent or Less of a Class: Not applicable. Item 6 - Ownership of More than Five Percent on Behalf of Another Person: Not applicable. Item 7 - Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Company: Not applicable. CUSIP No. 018581 10 8 Page 10 of 13 Pages Item 8 - Identification and Classification of Members of the Group: See Exhibit 2. Item 9 - Notice of Dissolution of Group: Not applicable. Item 10 - Certification: Not applicable. CUSIP No. 018581 10 8 Page 11 of 13 Pages Signature: After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. WELSH, CARSON, ANDERSON & STOWE VII, L.P. By: WCAS VII Partners, L.P., General Partner By /s/ Jonathan M. Rather ------------------------------------------ General Partner WELSH, CARSON, ANDERSON & STOWE VIII, L.P. By: WCAS VIII Associates, L.L.C., General Partner By /s/ Jonathan M. Rather ------------------------------------------ Managing Member WELSH, CARSON, ANDERSON & STOWE VI, L.P. By: WCAS VI Partners, L.P., General Partner By /s/ Jonathan M. Rather ------------------------------------------ Attorney-in-Fact WCAS CAPITAL PARTNERS III, L.P. By: WCAS CP III Associates, L.L.C., General Partner By /s/ Jonathan M. Rather ------------------------------------------ Managing Member WCAS CAPITAL PARTNERS II, L.P. By: WCAS CP II Partners, General Partner By /s/ Jonathan M. Rather ------------------------------------------ Attorney-in-Fact WCAS INFORMATION PARTNERS, L.P. By: WCAS IP Partners, General Partner By /s/ Jonathan M. Rather ------------------------------------- Attorney-in-Fact Date: January 16, 2002 CUSIP No. 018581 10 8 Page 12 of 13 Pages EXHIBIT 1 AGREEMENT OF WELSH, CARSON, ANDERSON & STOWE VII, L.P., WELSH, CARSON, ANDERSON & STOWE VIII, L.P., WELSH, CARSON, ANDERSON & STOWE VI, L.P., WCAS CAPITAL PARTNERS III, L.P., WCAS CAPITAL PARTNERS II, L.P. AND WCAS INFORMATION PARTNERS, L.P. PURSUANT TO RULE 13d-1(k) ------------------------- The undersigned hereby agree that the Information Statement on Schedule 13G to which this Agreement is annexed as Exhibit 1 is filed on behalf of each of them in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended. WELSH, CARSON, ANDERSON & STOWE VII, L.P. By: WCAS VII Partners, L.P., General Partner By /s/ Jonathan M. Rather -------------------------------------- General Partner WELSH, CARSON, ANDERSON & STOWE VIII, L.P. By: WCAS VIII Associates, L.L.C., General Partner By /s/ Jonathan M. Rather -------------------------------------- Managing Member WELSH, CARSON, ANDERSON & STOWE VI, L.P. By: WCAS VI Partners, L.P., General Partner By /s/ Jonathan M. Rather -------------------------------------- Attorney-in-Fact WCAS CAPITAL PARTNERS III, L.P. By: WCAS CP III Associates, L.L.C., General Partner By /s/ Jonathan M. Rather -------------------------------------- Managing Member WCAS CAPITAL PARTNERS II, L.P. By: WCAS CP II Partners, General Partner By /s/ Jonathan M. Rather -------------------------------------- Attorney-in-Fact WCAS INFORMATION PARTNERS, L.P. By: WCAS IP Partners, General Partner By /s/ Jonathan M. Rather ------------------------------------- Attorney-in-Fact Date: January 16, 2002 CUSIP No. 018581 10 8 Page 13 of 13 Pages EXHIBIT 2 Identification and Classification of Members of the Group --------------------------------- Welsh, Carson, Anderson & Stowe VII, L.P., Welsh, Carson, Anderson & Stowe VIII, L.P., Welsh, Carson, Anderson & Stowe VI, L.P., WCAS Capital Partners III, L.P., WCAS Capital Partners II, L.P. and WCAS Information Partners, L.P. are filing this statement on Schedule 13G as a group. Welsh, Carson, Anderson & Stowe VII, L.P. is a Delaware limited partnership. Its sole general partner is WCAS VII Partners, L.P., a Delaware limited partnership. Welsh, Carson, Anderson & Stowe VIII, L.P. is a Delaware limited partnership. Its sole general partner is WCAS VIII Associates, L.L.C., a Delaware limited liability company. WCAS Capital Partners III, L.P. is a Delaware limited partnership. Its sole general partner is WCAS CP III Associates, L.L.C., a Delaware limited liability company. WCAS Capital Partners II, L.P. is a Delaware limited partnership. Its sole general partner is WCAS CP II Partners, a New Jersey general partnership. WCAS Information Partners, L.P. is a Delaware limited partnership. Its sole general partner is WCAS IP Partners, a Delaware general partnership.