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   <title>Form  6-K        TSAKOS ENERGY NAVIGATION  For: May 22</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++6-K++++++++TSAKOS+ENERGY+NAVIGATION++For%3A+May+22/8360978.html</link>
   <description>Visit StreetInsider.com at http://www.streetinsider.com/SEC+Filings/Form++6-K++++++++TSAKOS+ENERGY+NAVIGATION++For%3A+May+22/8360978.html for the full story.</description>
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   <pubDate>Wed, 22 May 2013 08:01:00 -0400</pubDate>
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   <title>Tsakos Energy Navigation Announces Date of First Quarter 2013 Financial Results Conference Call and Webcast</title>
   <link>http://www.streetinsider.com/Press+Releases/Tsakos+Energy+Navigation+Announces+Date+of+First+Quarter+2013+Financial+Results+Conference+Call+and+Webcast/8349901.html</link>
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   <pubDate>Fri, 17 May 2013 08:30:00 -0400</pubDate>
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   <title>TransAtlantic Petroleum Announces Expected Filing of First Quarter 2013 Financial Results</title>
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   <pubDate>Thu, 16 May 2013 10:05:00 -0400</pubDate>
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   <title>TransAtlantic Petroleum Announces Expected Filing of First Quarter 2013 Financial Results</title>
   <link>http://www.streetinsider.com/Press+Releases/TransAtlantic+Petroleum+Announces+Expected+Filing+of+First+Quarter+2013+Financial+Results/8346492.html</link>
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   <pubDate>Thu, 16 May 2013 10:05:00 -0400</pubDate>
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   <title>TransAtlantic Petroleum Announces Preliminary Financial Results for First Quarter of 2013</title>
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   <pubDate>Thu, 16 May 2013 09:00:00 -0400</pubDate>
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   <title>TransAtlantic Petroleum Announces Preliminary Financial Results for First Quarter of 2013</title>
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   <pubDate>Thu, 16 May 2013 09:00:00 -0400</pubDate>
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   <title>TransAtlantic Petroleum Announces Financial Results for the Fourth Quarter and Year-End 2012</title>
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   <pubDate>Wed, 15 May 2013 18:27:00 -0400</pubDate>
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   <title>TransAtlantic Petroleum Announces Financial Results for the Fourth Quarter and Year-End 2012</title>
   <link>http://www.streetinsider.com/Press+Releases/TransAtlantic+Petroleum+Announces+Financial+Results+for+the+Fourth+Quarter+and+Year-End+2012/8344847.html</link>
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   <title>Tsakos Energy Navigation Limited Formally Closes $50 Million Offering of Its 8.00% Series B Cumulative Redeemable Perpetual Preferred Shares and Announces That the Series B Preferred Shares Will Trade</title>
   <link>http://www.streetinsider.com/Press+Releases/Tsakos+Energy+Navigation+Limited+Formally+Closes+%2450+Million+Offering+of+Its+8.00%25+Series+B+Cumulative+Redeemable+Perpetual+Preferred+Shares+and+Announces+That+the+Series+B+Preferred+Shares+Will+Trade/8327497.html</link>
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   <pubDate>Fri, 10 May 2013 14:50:00 -0400</pubDate>
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   <title>Tsakos Energy Navigation Limited Formally Closes $50 Million Offering of Its 8.00% Series B Cumulative Redeemable Perpetual Preferred Shares and Announces That the Series B Preferred Shares Will Trade</title>
   <link>http://www.streetinsider.com/Press+Releases/Tsakos+Energy+Navigation+Limited+Formally+Closes+%2450+Million+Offering+of+Its+8.00%25+Series+B+Cumulative+Redeemable+Perpetual+Preferred+Shares+and+Announces+That+the+Series+B+Preferred+Shares+Will+Trade/8327497.html</link>
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   <title>Form  6-K        TSAKOS ENERGY NAVIGATION  For: May 10</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++6-K++++++++TSAKOS+ENERGY+NAVIGATION++For%3A+May+10/8326612.html</link>
   <description>Visit StreetInsider.com at http://www.streetinsider.com/SEC+Filings/Form++6-K++++++++TSAKOS+ENERGY+NAVIGATION++For%3A+May+10/8326612.html for the full story.</description>
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   <pubDate>Fri, 10 May 2013 11:29:00 -0400</pubDate>
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   <title>Form  6-K        TSAKOS ENERGY NAVIGATION  For: May 10</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++6-K++++++++TSAKOS+ENERGY+NAVIGATION++For%3A+May+10/8326293.html</link>
   <description>Visit StreetInsider.com at http://www.streetinsider.com/SEC+Filings/Form++6-K++++++++TSAKOS+ENERGY+NAVIGATION++For%3A+May+10/8326293.html for the full story.</description>
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   <pubDate>Fri, 10 May 2013 10:03:00 -0400</pubDate>
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   <title>TransAtlantic Petroleum Announces NYSE MKT Acceptance of Plan of Compliance With Continued Listing Standards</title>
   <link>http://www.streetinsider.com/Press+Releases/TransAtlantic+Petroleum+Announces+NYSE+MKT+Acceptance+of+Plan+of+Compliance+With+Continued+Listing+Standards/8301955.html</link>
   <description>Visit StreetInsider.com at http://www.streetinsider.com/Press+Releases/TransAtlantic+Petroleum+Announces+NYSE+MKT+Acceptance+of+Plan+of+Compliance+With+Continued+Listing+Standards/8301955.html for the full story.</description>
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   <pubDate>Thu, 02 May 2013 19:00:00 -0400</pubDate>
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   <title>TransAtlantic Petroleum Announces NYSE MKT Acceptance of Plan of Compliance With Continued Listing Standards</title>
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   <title>TransAtlantic Petroleum Announces NYSE MKT Acceptance of Plan of Compliance With Continued Listing Standards</title>
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   <title>Tsakos Energy Navigation Limited Announces Successful Pricing of Its 8.00% Series B Cumulative Redeemable Perpetual Preferred Shares</title>
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   <title>Tsakos Energy Navigation Limited Announces Successful Pricing of Its 8.00% Series B Cumulative Redeemable Perpetual Preferred Shares</title>
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