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 *
MSD CAPITAL L P
  2. Issuer Name and Ticker or Trading Symbol
DineEquity, Inc [DIN]
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)
645 FIFTH AVENUE, 21ST FLOOR
3. Date of Earliest Transaction (Month/Day/Year)
03/01/2010
(Street)

NEW YORK, NY 10022
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

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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
Restricted Stock Units (4) 03/01/2010   A   5,000     (4)   (4) Common Stock 5,000 $ 0 5,000 I See Footnotes (1) (2) (3) (4)

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
MSD CAPITAL L P
645 FIFTH AVENUE, 21ST FLOOR
NEW YORK, NY 10022
    X    
MSD SBI LP
645 FIFTH AVENUE, 21ST FLOOR
NEW YORK, NY 10022
    X    

Signatures

 MSD Capital, L.P., By: MSD Capital Management LLC, Its: General Partner, By: /s/ Marc R. Lisker, Name: Marc R. Lisker, Title: Manager and General Counsel   03/03/2010
**Signature of Reporting Person Date

 MSD SBI, L.P., By: MSD Capital, L.P., Its: General Partner, By: MSD Capital Management LLC, Its: General Partner, By: /s/ Marc R. Lisker, Name: Marc R. Lisker, Title: Manager and General Counsel   03/03/2010
**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) This statement is jointly filed by and on behalf of each of MSD Capital, L.P. and MSD SBI, L.P. MSD Capital is the general partner of MSD SBI and may be deemed to beneficially own securities owned by MSD SBI. MSD Capital Management LLC is the general partner of MSD Capital and may be deemed to beneficially own securities owned by MSD Capital. Michael S. Dell is the controlling member of MSD Capital Management and may be deemed to beneficially own securities owned by MSD Capital Management.
(2) Each reporting person states that neither the filing of this statement nor anything herein shall be deemed an admission that such person is, for purposes of Section 16 of the Act or otherwise, the beneficial owner of any securities covered by this statement. Each reporting person disclaims beneficial ownership of the securities covered by this statement, except to the extent of the pecuniary interest of such person in such securities.
(3) Each reporting person may be deemed to be a member of a group with respect to the issuer or securities of the issuer for purposes of Section 13(d) or 13(g) of the Act. Each reporting person declares that neither the filing of this statement nor anything herein shall be construed as an admission that such person is, for the purposes of Section 13(d) or 13(g) of the Act or any other purpose, a member of a group with respect to the issuer or securities of the issuer.
(4) On March 1, 2010, the issuer granted to Howard M. Berk 5,000 Restricted Stock Units ("RSUs") of which 2,500 will be settled upon vesting in shares of common stock of the issuer and 2,500 will be settled upon vesting in cash. The RSUs are subject to forfeiture and restrictions and will vest on March 1, 2013 if Mr. Berk continues to serve as a member of the issuer's board of directors until such date. Mr. Berk is an employee of MSD Capital and each reporting person may be deemed to beneficially own securities owned by Mr. Berk.
 
Remarks:
Exhibit Index

Exhibit 99.1 - Joint Filer Information (furnished herewith)

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