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 O&G, L.P.
  2. Issuer Name and Ticker or Trading Symbol
Laredo Petroleum, Inc. [LPI]
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)
450 LEXINGTON AVENUE
3. Date of Earliest Transaction (Month/Day/Year)
03/05/2015
(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 $0.01 per share (''Common Stock'') 03/05/2015   J(1)(2)   4,349,102 A $ 11.05 (2) 15,636,559 D (1) (2)  
Common Stock 03/05/2015   J(1)(3)   923,800 A $ 11.05 (2) 1,291,411 D (1) (3)  
Common Stock               46,215,059 D (1) (4)  
Common Stock 03/05/2015   J(1)(5)   12,173,354 A $ 11.05 (2) (5) 70,043,481 I (1) (5) See Footnotes (1) (5)

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 O&G, L.P.
450 LEXINGTON AVENUE
NEW YORK, NY 10017
    X    
Warburg Pincus X Partners, L.P.
450 LEXINGTON AVENUE
NEW YORK, NY 10017
    X    
Warburg Pincus X, L.P.
450 LEXINGTON AVENUE
NEW YORK, NY 10017
    X    
Warburg Pincus Private Equity IX, L.P.
450 LEXINGTON AVENUE
NEW YORK, NY 10017
    X    
Warburg Pincus IX GP L.P.
450 LEXINGTON AVENUE
NEW YORK, NY 10017
    X    
Warburg Pincus X GP L.P.
450 LEXINGTON AVENUE
NEW YORK, NY 10017
    X    
WPP GP LLC
450 LEXINGTON AVENUE
NEW YORK, NY 10017
    X    
Warburg Pincus Partners, L.P.
450 LEXINGTON AVENUE
NEW YORK, NY 10017
    X    
Warburg Pincus Partners GP LLC
450 LEXINGTON AVENUE
NEW YORK, NY 10017
    X    
WARBURG PINCUS & CO.
450 LEXINGTON AVENUE
NEW YORK, NY 10017
    X    

Signatures

 By: /s/ Robert B. Knauss   03/06/2015
**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) See Exhibit 99.1; Note 1.
(2) See Exhibit 99.1; Note 2.
(3) See Exhibit 99.1; Note 3.
(4) See Exhibit 99.1; Note 4.
(5) See Exhibit 99.1; Note 5.
 
Remarks:
See Exhibit 99.1 Exhibit List: Exhibit 99.1 - Explanation of Responses Exhibit 99.2 - Joint Filer Information Exhibit 99.3 - Joint Filers' Signatures.

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