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 *
Warburg Pincus Private Equity X, L.P.
  2. Issuer Name and Ticker or Trading Symbol
MBIA INC [MBI]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
466 LEXINGTON AVENUE, 
3. Date of Earliest Transaction (Month/Day/Year)
03/09/2009
(Street)

NEW YORK, NY 10017
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ 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, par value $1.00 per share (?Common Stock?) 03/09/2009   P   1,774,977 A $ 2.99 56,826,836 I (1) (2) (3) (4) (5) By Voting Trust (6)
Common Stock 03/10/2009   P   365,835 A $ 3.24 57,192,671 I (1) (2) (3) (4) (5) By Voting Trust (6)

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
Warburg Pincus Private Equity X, L.P.
466 LEXINGTON AVENUE
NEW YORK, NY 10017
    X    
WARBURG PINCUS X PARTNERS, L.P.
466 LEXINGTON AVENUE
NEW YORK, NY 10017
    X    
Warburg Pincus X, L.P.
C/O WARBURG PINCUS LLC
466 LEXINGTON AVENUE
NEW YORK, NY 10017
    X    
Warburg Pincus X LLC
C/O WARBURG PINCUS LLC
466 LEXINGTON AVENUE
NEW YORK, NY 10017
    X    
Warburg Pincus Partners LLC
466 LEXINGTON AVENUE
NEW YORK, NY 10017
    X    
WARBURG PINCUS & CO
466 LEXINGTON AVENUE
NEW YORK
NY, NY 100173147
    X    
WARBURG PINCUS LLC
466 LEXINGTON AVENUE
NEW YORK, NY 10017
    X    
KAYE CHARLES R
C/O WARBURG PINCUS LLC
466 LEXINGTON AVE
NEW YORK, NY 10017
    X    
LANDY JOSEPH
C/O WARBURG PINCUS LLC
466 LEXINGTON AVE
NEW YORK, NY 10017
    X    

Signatures

 See signatures of Warburg Pincus Reporting Persons attached as Exhibit 99.1   03/11/2009
**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) Warburg Pincus X L.P., a Delaware limited partnership ("WP X LP"), and the general partner of Warburg Pincus Private Equity X, L.P., a Delaware limited partnership (together with an affiliated limited partnership, "WP X"); Warburg Pincus X LLC, a Delaware limited liability company ("WP X LLC") and the general partner of WP X LP; Warburg Pincus Partners, LLC, a New York limited liability company ("WP Partners") and the sole member of WP X LLC; Warburg Pincus & Co., a New York general partnership ("WP") and the managing member of WP Partners; Warburg Pincus LLC, a New York limited liability company ("WP LLC") that manages WP X; and
(2) Messrs. Charles R. Kaye and Joseph P. Landy, each a Managing General Partner of WP and Managing Member and Co-President of WP LLC (each a "Reporting Person," and collectively, the "Warburg Pincus Reporting Persons") may be deemed to be the beneficial owner of the shares of Common Stock held by WP X and the warrants exercisable for shares of Common Stock held by WP X.
(3) Information with respect to each of the Warburg Pincus Reporting Persons is given solely by such Warburg Pincus Reporting Persons, and no Warburg Pincus Reporting Person has responsibility for the accuracy or completeness of information supplied by another Warburg Pincus Reporting Person.
(4) Pursuant to Rule 16a-1(a)(4) of the Securities Exchange Act of 1934, as amended, each of the Warburg Pincus Reporting Persons, other than WP X, herein states that this filing shall not be deemed an admission that he or it is the beneficial owner of any of the shares of Common Stock or any of the warrants exercisable for Common Stock covered by this Statement. Each of WP X LP, WP X LLC, WP Partners, WP, WP LLC, and Messrs. Kaye and Landy disclaims beneficial ownership of the Common Stock and the warrants exercisable for Common Stock, except to the extent of its or his pecuniary interest in such shares of Common Stock or such warrants exercisable for Common Stock.
(5) WP X is the holder of 57,192,671 shares of Common Stock and warrants exercisable for 11,502,704 shares of Common Stock at an exercise price of $30.25 per share (subject to adjustments for certain issuances of common stock, stock splits, stock subdivisions, stock reclassifications, stock combinations, other distributions, certain repurchases, business combinations and similar actions).
(6) 9,951,760 shares of Common Stock are held in a voting trust under the terms of the Voting Trust Agreement by and among WP X, MBIA Inc., and U.S. Bank National Association, dated as of January 30, 2008, and 20,246,638 shares of Common Stock are or will be held in a voting trust under the terms of the Voting Trust II Agreement by and among WP X, MBIA Inc., and U.S. Bank National Association, dated as of February 13, 2008.

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