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 *
YANKO DONNA GAIL
   2. Issuer Name and Ticker or Trading Symbol
MEXCO ENERGY CORP [MXC] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Vice President
(Last)
(First)
(Middle)
4109 DEVON DRIVE		 3. Date of Earliest Transaction (Month/Day/Year)
09/23/2009
(Street)

EDMOND, OK US 73034		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(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 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
Mexco Energy Common Stock 09/23/2009   M   400 A $ 6.75 22,468 D  
Mexco Energy Common Stock 09/23/2009   S   400 D $ 10.763 22,068 (1) D  
Mexco Energy Common Stock               944 (1) I owned by spouse

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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
Mexco Energy Common Stock $ 6.75 09/23/2009   M     400 01/23/2005 01/23/2011 Mexco Energy Common Stock 400 $ 6.75 12,650 (2) D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
YANKO DONNA GAIL
4109 DEVON DRIVE
EDMOND, OK US 73034		       Vice President  

Signatures

 D. Gail Yanko   09/24/2009
**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) Direct beneficial holdings after the sale total 23,012 shares which include 944 shares owned by Ms. Yanko's spouse and vested options to acquire 11,400 shares of the Registrant's Common Stock ($0.50 par value) at the following prices: 2,650 shares @ $6.75 per share; 5,000 shares @ $6.00 per share; 3,750 shares @ $8.24 per share.
(2) The shares vest 1/4 each year from grant date for four consecutive years as follows: 2,650 options @ $6.75 per share granted on 1/23/2001 and expire on 1/23/2011; 5,000 options @ $6.00 per share granted on 7/10/2003 and expire on 7/10/2013; 5,000 options @ $8.24 per share granted on 7/12/2006 and expire on 7/12/2011. Of these 12,650 shares, 11,400 shares are vested.

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