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 * McKenzie Tracey L.   2. Issuer Name and Ticker or Trading Symbol HARSCO CORP [HSC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) SVP & CHRO (Last) (First) (Middle) 350 POPLAR CHURCH ROAD 3. Date of Earliest Transaction (Month/Day/Year) 05/08/2015 (Street) CAMP HILL, PA 17011 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

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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 Unit

(1)

05/08/2015

A

7,260

(1)

(1)

Common Stock

7,260

$ 0

7,260

D

Performance Share Unit

(2)

05/08/2015

A

7,260

(2)

12/31/2017(2)

Common Stock

7,260

$ 0

7,260

D

Stock Appreciation Right

$ 16.53

05/08/2015

A

35,430

(3)

05/08/2025(3)

Common Stock

35,430

$ 0

35,430

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
McKenzie Tracey L. 350 POPLAR CHURCH ROAD CAMP HILL, PA 17011			SVP & CHRO

Signatures

/s/ Tracey L. McKenzie		05/12/2015
**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)	Restricted stock units granted under the 2013 Equity and Incentive Compensation Plan represent a contingent right to receive Harsco common stock on a one-for-one basis when the restricted stock units vest. Each restricted stock unit "cliff" vests on the third anniversary of the grant date.
(2)	Each performance share unit represents a contingent right to receive the equivalent of one share of Harsco common stock. The performance share units vest based on the total shareholder return of Harsco common stock relative to the S&P MidCap 400 Industrial Index. The performance share units vest on 12/31/2017.
(3)	The stock appreciation rights vest in annual one-third increments on each of the first three anniversaries of the date of grant.

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