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| North Carolina                                 | 000-13823 |  56-1456589  |
| (State or other jurisdiction of incorporation) | (Commission File No.) | (IRS Employer Identification No.) |
|                                           | 150 S. Fayetteville Street                                                                                                                                                          Asheboro, North Carolina | 27203 |
|                                           | (Address of principal executive offices) | (Zip Code) |

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| Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: |
|                                                                                                                                                                        | [    ] | Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) |
|                                                                                                                                                                        | [    ] | Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) |
|                                                                                                                                                                        | [    ] | Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) |
|                                                                                                                                                                        | [    ] | Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) |

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| ITEM 8.01 | Other Events  |

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|-------------------|
|                   |  |
|              |   |
| ITEM 9.01         | Financial Statements and Exhibits |
| (d)  Exhibits.    |   |
| Exhibit No.  | Description of Exhibit  |
|              |   |
| 99.1              | Press Release, dated May 21, 2013, announcing the approval of the bank merger of Bank of Granite, Granite Falls, N.C. into CommunityOne Bank, N.A., Asheboro, N.C. |

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| May 21, 2013   (Date) | FNB United Corp.   (Registrant) |   |
|                                 | /s/ David L. Nielsen   David L. NielsenChief Financial Officer |   |