Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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 *
  BlackRock Inc.
2. Date of Event Requiring Statement (Month/Day/Year)
05/09/2013
3. Issuer Name and Ticker or Trading Symbol
PENNYMAC FINANCIAL SERVICES, INC. [PFSI]
(Last)
(First)
(Middle)
55 EAST 52ND STREET
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

NEW YORK, NY 10055
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 Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Class B Common Stock 1
I
See Footnote (1)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Cl A Units of Private Nat'l Mortgage Acceptance Co., LLC   (2)   (2) Class A Common Stock (2) 21,670,647 $ (2) I See Footnote (1)

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
BlackRock Inc.
55 EAST 52ND STREET
NEW YORK, NY 10055
  X   X    
BlackRock Holdco 2, Inc.
55 EAST 52ND STREET
NEW YORK, NY 10055
    X    
BLACKROCK FINANCIAL MANAGEMENT INC/DE
55 EAST 52ND STREET
NEW YORK, NY 10055
    X    
BlackRock Mortgage Ventures, LLC
55 EAST 52ND STREET
NEW YORK, NY 10055
    X    

Signatures

/s/ Daniel R. Waltcher 05/09/2013
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) These securities are directly owned by BlackRock Mortgage Ventures, LLC, which is a wholly owned subsidiary of BlackRock Financial Management, Inc., which is a wholly owned subsidiary of BlackRock Holdco 2, Inc., which is a wholly-owned subsidiary of BlackRock, Inc. BlackRock, Inc., BlackRock Holdco 2, Inc., and BlackRock Financial Management, Inc. are indirect beneficial owners of the reported securities.
(2) Pursuant to the terms of an exchange agreement, Class A Units of Private National Mortgage Acceptance Company, LLC are exchangeable for shares of Class A Common Stock of PennyMac Financial Services, Inc. on a one-for-one basis, subject to customary conversion rate adjustments, from and after the closing of PennyMac Financial Services, Inc.'s initial public offering.

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