-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, T9cksrfdhY38I80IE89JfwtPN96+XnW2EPzOAuxQ8C1F065bpG31CdqhZ2zvWdW2 87+muMpkRAi7ECZ1wofnTA== 0000950123-10-115511.txt : 20101222 0000950123-10-115511.hdr.sgml : 20101222 20101221183139 ACCESSION NUMBER: 0000950123-10-115511 CONFORMED SUBMISSION TYPE: 15-12B PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20101222 DATE AS OF CHANGE: 20101221 EFFECTIVENESS DATE: 20101222 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MIRANT CORP CENTRAL INDEX KEY: 0001010775 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRIC SERVICES [4911] IRS NUMBER: 582056305 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 15-12B SEC ACT: 1934 Act SEC FILE NUMBER: 001-16107 FILM NUMBER: 101266794 BUSINESS ADDRESS: STREET 1: 1155 PERIMETER CENTER WEST STREET 2: SUITE 100 CITY: ATLANTA STATE: GA ZIP: 30338 BUSINESS PHONE: 6785795000 MAIL ADDRESS: STREET 1: 1155 PERIMETER CENTER WEST STREET 2: SUITE 100 CITY: ATLANTA STATE: GA ZIP: 30338 FORMER COMPANY: FORMER CONFORMED NAME: SOUTHERN ENERGY INC DATE OF NAME CHANGE: 19980729 FORMER COMPANY: FORMER CONFORMED NAME: SEI HOLDINGS INC DATE OF NAME CHANGE: 19960315 15-12B 1 c10049e15v12b.htm FORM 15-12B Form 15-12B
     
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 15
CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION
12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE
REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934.
         
 
  Commission File Number   001-16107
 
       
GENON ENERGY HOLDINGS, INC.
 
(Exact name of registrant as specified in its charter)
1000 Main Street, Houston, Texas 77002, (832) 357-3000
 
(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)
Common Stock, par value $0.01 per share
 
(Title of each class of securities covered by this Form)
None
 
(Titles of all other classes of securities for which a duty to file reports under section 13(a) or 15(d) remains)
Please place an X in the box(es) to designate the appropriate rule provision(s) relied upon to terminate or suspend the duty to file reports:
         
Rule 12g-4(a)(1)
  þ    
Rule 12g-4(a)(2)
  o    
Rule 12h-3(b)(1)(i)
  þ    
Rule 12h-3(b)(1)(ii)
  o    
Rule 15d-6
  o    
     
Approximate number of holders of record as of the certification or notice date:
  One
 
   
Pursuant to the requirements of the Securities Exchange Act of 1934 GenOn Energy Holdings, Inc has caused this certification/notice to be signed on its behalf by the undersigned duly authorized person.
             
 
         
 
           
Date:
  December 21, 2010   By:   /s/ Michael L. Jines
 
           
 
          Michael L. Jines
 
          Executive Vice President, General Counsel,
Secretary and Chief Compliance Officer
Instruction: This form is required by Rules 12g-4, 12h-3 and 15d-6 of the General Rules and Regulations under the Securities Exchange Act of 1934. The registrant shall file with the Commission three copies of Form 15, one of which shall be manually signed. It may be signed by an officer of the registrant, by counsel or by any other duly authorized person. The name and title of the person signing the form shall be typed or printed under the signature.

 

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