Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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 *
  VERBANAC DANIEL J
2. Date of Event Requiring Statement (Month/Day/Year)
05/13/2010
3. Issuer Name and Ticker or Trading Symbol
INTEGRYS ENERGY GROUP, INC. [TEG]
(Last)
(First)
(Middle)
700 NORTH ADAMS ST, PO BOX 19001
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Pres, Integ Energy Servs,a sub
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

GREEN BAY, WI 54307-9001
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 Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 2,087.092
D
 
Common Stock 4,780.78
I
By ESOP

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option (Right to buy) 12/12/2003 12/12/2012 Common Stock 12,454 $ 37.96 (1) D  
Employee Stock Option (Right to buy) 02/11/2011 02/11/2020 Common Stock 24,325 $ 41.58 (2) D  
Employee Stock Option (Right to buy) 02/12/2010 02/12/2019 Common Stock 22,012 $ 42.12 (3) D  
Employee Stock Option (Right to buy) 12/10/2004 12/10/2013 Common Stock 13,451 $ 44.73 (4) D  
Employee Stock Option (Right to buy) 12/08/2005 12/08/2014 Common Stock 15,313 $ 48.11 (5) D  
Employee Stock Option (Right to buy) 02/14/2009 02/14/2018 Common Stock 25,678 $ 48.36 (6) D  
Employee Stock Option (Right to buy) 12/07/2007 12/07/2016 Common Stock 16,435 $ 52.73 (7) D  
Employee Stock Option (Right to buy) 12/07/2006 12/07/2015 Common Stock 14,450 $ 54.85 (8) D  
Employee Stock Option (Right to buy) 05/17/2008 05/17/2017 Common Stock 6,154 $ 58.65 (9) D  
Performance Rights 01/01/2011(10) 06/30/2011 Common Stock 4,712 $ 0 (10) D  
Performance Rights 01/01/2012(10) 06/30/2012 Common Stock 5,217 $ 0 (10) D  
Performance Rights 01/01/2013(10) 06/30/2013 Common Stock 6,606 $ 0 (10) D  
Phantom Stock Unit   (11)   (11) Common Stock 18,162.905 $ 0 (12) D  
Restricted Stock Units 2008   (13)   (13) Common Stock 586.7857 $ (14) D  
Restricted Stock Units 2009   (15)   (15) Common Stock 958.1486 $ (14) D  
Restricted Stock Units 2010   (16)   (16) Common Stock 1,061.4392 $ (14) D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
VERBANAC DANIEL J
700 NORTH ADAMS ST
PO BOX 19001
GREEN BAY, WI 54307-9001
      Pres, Integ Energy Servs,a sub  

Signatures

By Dane E. Allen, as Power of Attorney for Mr. Verbanac 05/19/2010
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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 option vests in four equal annual installments beginning on December 12, 2003.
(2) The option vests in four equal annual installments beginning on February 11, 2011.
(3) The option vests in four equal annual installments beginning on February 12, 2010.
(4) The option vests in four equal annual installments beginning December 10, 2004.
(5) The option vests in four equal annual installments beginning on December 8, 2005.
(6) The option vests in four equal annual installments beginning on February 14, 2009.
(7) The option vests in four equal annual installments beginning on December 7, 2007.
(8) The option vests in four equal annual installments beginning on December 7, 2006.
(9) The option vests in four equal annual installments beginning on May 17, 2008.
(10) Performance rights vest and are issued three years after the performance rights are awarded and the final number of shares issued is determined based on company performance against an established industry benchmark.
(11) Unless the participant has selected a later commencement date, distribution of stock and equivalents will commence within 60 days following the end of the calendar year in which occurs the participant's retirement or termination of service.
(12) The phantom stock units convert to common stock on a one-for-one basis.
(13) The restricted stock units vest in four equal annual installments beginning on February 14, 2009.
(14) Each restricted stock unit represent a contingent right to receive one share of TEG common stock.
(15) The restricted stock units vest in four equal annual isntallments beginning on February 12, 2010.
(16) The restricted stock units vest in four equal annual installments beginning on February 11, 2011.

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