Ownership Submission
FORM 5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Form 3 Holdings Reported
Form 4 Transactions Reported
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

ANNUAL 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
OMB APPROVAL
OMB Number: 3235-0362
Expires: January 31, 2005
Estimated average burden hours per response... 1.0

1. Name and Address of Reporting Person *
GOTTWALD THOMAS E
2. Issuer Name and Ticker or Trading Symbol
NEWMARKET CORP [NEU]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President & CEO
(Last)
(First)
(Middle)

330 SOUTH FOURTH STREET
3. Statement for Issuer's Fiscal Year Ended (Month/Day/Year)
12/31/2012
(Street)


RICHMOND, VA 23219
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Reporting
(check applicable line)

_X_ Form Filed by One Reporting Person
___ 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 at end of Issuer's Fiscal Year
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Amount (A) or (D) Price
Common Stock 12/31/2012(1)   J 2,777.26 (2) A $ 0 (3) 30,440.18 I NewMarket Savings Plan
Common Stock 12/10/2012   G 94 A $ 0 4,885 I Shares held by Bruce C. Gottwald, Jr., as trustee fbo Edward P. Gottwald u/a dtd. 1/29/92
Common Stock 12/10/2012   G 94 A $ 0 9,457 I Shares held by Bruce C. Gottwald, Jr., as trustee fbo Mark Haywood Gottwald u/a dtd. 10/18/95
Common Stock 12/10/2012   G 94 A $ 0 5,545 I Shares held by Bruce C. Gottwald, Jr., as trustee fbo A. Clarke Gottwald u/a dtd. 10/31/89 Trust 1
Common Stock 12/10/2012   G 11,635 A $ 0 29,994 I Shares held by B. Hazelgrove as trustee fbo reporting person's children u/a dtd. 4/8/94
Common Stock 12/18/2012   G 33,200 A $ 0 63,194 I Shares held by B. Hazelgrove as trustee fbo reporting person's children u/a dtd. 4/8/94
Common Stock 12/18/2012   G 33,200 D $ 0 337,834 D  
Common Stock             4,527 I Shares held by wife
Common Stock             600 I Shares held for reporting person's son August Clarke Gottwald
Common Stock             500 I Shares held for reporting person's son Edward Parker Gottwald
Common Stock             500 I Shares held for reporting person's son Mark Haywood Gottwald
Common Stock             6,494 I Shares held by Bruce C. Gottwald, Jr., as trustee fbo A. Clark Gottwald u/a dtd. 10/31/89 - Trust 2
Common Stock             6,022 I Shares held by Bruce C. Gottwald, Jr., as trustee fbo Edward P. Gottwald u/a dtd. 1/29/92 - Trust 2
Common Stock             6,889 I Shares held as co-trustee fbo reporting person's children u/a dtd. 12/16/91
Common Stock             212,407 I Shares held as co-trustee fbo (among others reporting Floyd D. Gottwald)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 2270 (9-02)

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 at End of Issuer's Fiscal Year
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
(A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
GOTTWALD THOMAS E
330 SOUTH FOURTH STREET
RICHMOND, VA 23219
  X     President & CEO  

Signatures

/s/ M. Rudolph West (by POA for Thomas E. Gottwald) 02/14/2013
**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) Various dates - Contributions to the Savings Plan for the Employees of NewMarket Corporation and Affiliates (the "Plan") throughout the year.
(2) The increase in shares is due to periodic purchases by the Plan Trustee pursuant to the Plan.
(3) Price varies since contributions are made throughout the year.

Note: File three copies of this Form, one of which must be manually signed. If space provided is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.