Company:  ION GEOPHYSICAL CORP (IO)
Form Type:  10-Q
Filing Date:  5/3/2012 
CIK:  0000866609 
Address:  2105 CITYWEST BLVD
SUITE 400 
City, State, Zip:  HOUSTON, Texas 770422839 
Telephone:  281.933.3339 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$6.35   		Change: 
0.015 (0.24%)  
Trade Time: 
12:19 PM EST   		Market Cap: 
$995.22M
Description of Business
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  FORM 10-Q
    PART I. FINANCIAL INFORMATION
      Item 1. Financial Statements
        BALANCE SHEET
        INCOME STATEMENT
        CASH FLOW
        NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
      Item 2. Management's Discussion and Analysis of Financial ...
      Item 3. Quantitative and Qualitative Disclosures about ...
      Item 4. Controls and Procedures
    PART II - OTHER INFORMATION
      Item 1. Legal Proceedings.
      Item 1A. Risk Factors.
      Item 2. Unregistered Sales of Equity Securities and Use of ...
      Item 6. Exhibits
    SIGNATURES
    EXHIBIT INDEX
  EXHIBIT 31.1
    CERTIFICATION OF CHIEF EXECUTIVE OFFICER
  EXHIBIT 31.2
    CERTIFICATION OF CHIEF FINANCIAL OFFICER
  EXHIBIT 32.1
    CERTIFICATION OF CHIEF EXECUTIVE OFFICER
  EXHIBIT 32.2
    CERTIFICATION OF CHIEF FINANCIAL OFFICER
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