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Directory Results for 20549 8K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 13, 2005 Unit Corporation (Exact name of registrant as specified in its charter) to 20549 8K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 13, 2016 AK STEEL HOLDING CORPORATION (Exact name of registrant as specified in its