Company:  T-MOBILE US, INC. (TMUS)
Form Type:  10-K
Filing Date:  3/1/2013 
CIK:  0001283699 
Address:  12920 SE 38TH STREET 
City, State, Zip:  BELLEVUE, Washington 98006 
Telephone:  800-318-9270 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$29.59  
Change: 
-0.22 (-0.74%)  
Trade Time: 
01:33 PM EST  
Market Cap: 
$23.74B
Description of Business
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  FORM 10-K
    PART I
      Item 1. Business
      Item 2. Properties
      Item 4. Mine Safety Disclosures
    PART II
      Item 5. Market for Registrant's Common Equity, Related ...
      Item 6. Selected Financial Data
      Item 7. Management's Discussion and Analysis of Financial ...
        Results of Operations
        Liquidity and Capital Resources
      Item 9A. Controls and Procedures
      REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
      Item 9B. Other Information
    PART III
      Item 10. Directors, Executive Officers and Corporate Governance
        NAME AND TITLE
        NAME AND TITLE
        OPTIONS
      Item 11. Executive Compensation
        COMPENSATION TABLE
        OPTIONS AGGREGATE
      Item 12. Security Ownership of Certain Beneficial Owners and ...
        BENEFICIAL OWNERS
      Item 13. Certain Relationships and Related Transactions, and ...
    PART IV.
      Item 15. Exhibits, Financial Statement Schedules
    SIGNATURES
    REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
    BALANCE SHEET
    INCOME STATEMENT
    STOCKHOLDERS EQUITY
    CASH FLOW
    Notes to Consolidated Financial Statements
      BALANCE SHEET
      INCOME STATEMENT
    INDEX TO EXHIBITS
  EXHIBIT 10.9A
  EXHIBIT 10.9B
  EXHIBIT 10.10A
  EXHIBIT 10.10B
  EXHIBIT 10.12B
  EXHIBIT 10.13A
  EXHIBIT 10.13B
  EXHIBIT 21.1
  EXHIBIT 23.1
    CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
  EXHIBIT 31.1
    Certification
  EXHIBIT 31.2
    Certification
  EXHIBIT 32.1
    CERTIFICATION PURSUANT TO
  EXHIBIT 32.2
    CERTIFICATION PURSUANT TO
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