Jeffrey Ubben & ValueAct Capital Go Activist On Alliance Data Systems (ADS)

Page 2 of 13 – SEC Filing

SCHEDULE 13D
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CUSIP NO. 018581108 Page 2 of 14
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1. NAME OF REPORTING PERSON/S.S. OR I.R.S. INDENTIFICATION NO. OF ABOVE
PERSON (entities only)

ValueAct Capital Master Fund, L.P.
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2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X]
(b) [ ]
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3. SEC USE ONLY

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4. SOURCE OF FUNDS (See Instructions)*

WC*
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5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
PURSUANT TO ITEMS 2(d) or 2(e) [ ]
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6. CITIZENSHIP OR PLACE OF ORGANIZATION

British Virgin Islands
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7. SOLE VOTING POWER
0
NUMBER OF ———————————————————-
SHARES 8. SHARED VOTING POWER
BENEFICIALLY 4,000,000**
OWNED BY EACH ———————————————————-
PERSON WITH 9. SOLE DISPOSITIVE POWER
0
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10. SHARED DISPOSITIVE POWER
4,000,000**
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11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

4,000,000**
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12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES [ ]
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13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

6.8%
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14. TYPE OF REPORTING PERSON

PN
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*See Item 3
**See Item 2 and 5