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 *
BERKSHIRE HATHAWAY INC
  2. Issuer Name and Ticker or Trading Symbol
Phillips 66 [PSX]
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)
3555 FARNAM STREET
3. Date of Earliest Transaction (Month/Day/Year)
09/04/2015
(Street)

OMAHA, NE 68131
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 09/04/2015   P   977,793 A $ 77.1707 (1) 58,953,249 I See footnotes (2) (3)
Common Stock 09/04/2015   P   12,400 A $ 77.8109 (4) 58,965,649 I See footnotes (2) (3)
Common Stock 09/08/2015   P   328,737 A $ 77.5856 (5) 59,294,386 I See footnotes (2) (3)
Common Stock 09/08/2015   P   375,345 A $ 78.6384 (6) 59,669,731 I See footnotes (2) (3)
Common Stock 09/08/2015   P   504,374 A $ 79.6866 (7) 60,174,105 I See footnotes (2) (3)
Common Stock 09/09/2015   P   323,744 A $ 80.6241 (8) 60,497,849 I See footnotes (2) (3)
Common Stock 09/09/2015   P   468,487 A $ 81.4993 (9) 60,966,336 I See footnotes (2) (3)
Common Stock 09/09/2015   P   520,590 A $ 82.1966 (10) 61,486,926 I See footnotes (2) (3)

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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
BERKSHIRE HATHAWAY INC
3555 FARNAM STREET
OMAHA, NE 68131
    X    
BUFFETT WARREN E
3555 FARNAM STREET
OMAHA, NE 68131
    X    

Signatures

 Warren E. Buffett (on behalf of himself and each other reporting person hereunder)   09/09/2015
**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) The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $76.71 to $77.70. The reporting person undertakes to provide Phillips 66, any security holder of Phillips 66, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnotes 1 and 4 through 10 to this Form 4.
(2) 55,384,926 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): National Indemnity Company (52,863,649), National Liability & Fire Insurance Company (1,266,000), Berkshire Hathaway Assurance Corp. (1,133,277) and Brilliant National Services (122,000). As Berkshire is in the chain of ownership of each of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each of these subsidiaries. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares of Common Stock presently owned by each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.
(3) 6,102,000 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: FlightSafety International Inc. Retirement Income Plan (350,000), Fruit of the Loom Pension Trust (921,300), GEICO Corporation Pension Plan Trust (2,499,700), Johns Manville Corporation Master Pension Trust (2,187,000), and General Re Corp. Employee Retirement Trust (144,000). Each of Berkshire, Mr. Buffett and these pension plans disclaim beneficial ownership in such shares.
(4) The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $77.71 to $77.97.
(5) The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $77.01 to $78.00.
(6) The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $78.01 to $79.00.
(7) The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $79.01 to $79.95.
(8) The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $79.96 to $80.95.
(9) The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $80.96 to $81.955.
(10) The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $81.96 to $82.74.

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