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 *
MIKULSKY PHILLIP M
   2. Issuer Name and Ticker or Trading Symbol
INTEGRYS ENERGY GROUP, INC. [TEG] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Exec VP Corp Init & Chf Sec Of
(Last)
(First)
(Middle)
700 NORTH ADAMS STREET, P. O. BOX 19001		 3. Date of Earliest Transaction (Month/Day/Year)
05/29/2015
(Street)

GREEN BAY, WI 54307-9001		 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
Common Stock 05/29/2015   S   2,241.112 D $ 71.9599 12.888 (1) I By Phillip & Susan Mikulsky Rev Trust
Common Stock               0.1471 (2) D  
Common Stock               6,896.6522 (3) I By Employee Stock Ownership Plan

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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
Performance Rights $ 0 (4)             01/01/2016(4) 03/15/2016 Common Stock 7,252   7,252 D  
Performance Rights $ 0 (4)             01/01/2017(4) 03/15/2017 Common Stock 7,052   7,052 D  
Phantom Stock Unit (5)               (6)   (6) Common Stock 36,826.4451   36,826.4451 (7) D  
Restricted Stock Units 2012 (8)             02/09/2013 02/09/2016 Common Stock 602.8134   602.8134 (9) D  
Restricted Stock Units 2013 (8)             02/14/2014 02/14/2017 Common Stock 1,140.8717   1,140.8717 (9) D  
Restricted Stock Units 2014 (8)             02/13/2015 02/13/2018 Common Stock 1,628.9008   1,628.9008 (9) D  
Restricted Stock Units 2015 (8)             02/12/2016 02/12/2019 Common Stock 7,741.1773   7,741.1773 (9) D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
MIKULSKY PHILLIP M
700 NORTH ADAMS STREET
P. O. BOX 19001
GREEN BAY, WI 54307-9001		       Exec VP Corp Init & Chf Sec Of  

Signatures

 Dane E. Allen, as Power of Attorney for Mr. Mikulsky   06/02/2015
**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) Balance also reflects the February 26, 2015 transfer of 2,254 directly held shares to the Phillip M. Mikulsky & Susan V. Mikulsky Revocable Trust dated 6/24/1997.
(2) Balance reflects dividend reinvestment shares which are acquired on a quarterly basis.
(3) Balance reflects shares pertaining to the quarterly dividend and periodic earnings adjustments and share allocations under the Company's Employee Stock Ownership Plan.
(4) Performance stock rights represent the right to receive shares of common stock of the Company, in the event certain performance goals are satisfied. These goals are based on Company performance against an established industry benchmark, over a three year performance period. The final award of shares issued can be between 0% and 200% of the reported target award.
(5) These phantom stock units convert to common stock on a one-for-one basis.
(6) Upon retirement or termination of service, distribution of phantom stock units will commence in January of the year that is both (1) following the calendar year in which service terminates with the Company, and (2) at least six months following termination, or later if the participant selected a later date.
(7) Balance reflects quarterly dividends paid on phantom stock units and reinvested in additional phantom stock units, under the Company's Deferred Compensation Plan.
(8) Each restricted stock unit represent a contingent right to receive one share of Company common stock. The restricted stock units vest in four equal annual installments beginning on the exercisable date.
(9) Balance reflects the quarterly dividend paid on restricted stock units and reinvested in additional restricted stock units, under the Company's Omnibus Incentive Plans.

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