Normal 0 false false false MicrosoftInternetExplorer4 Gran Tierra Energy Inc. (AMEX: GTE) shares improved 1.3% to $5.37, after it announced the results of a qualified independent reserve evaluation of the company's reserves, which showed, in part, total proved reserves net after royalty increased 20% to approximately 40.6 million barrels of oil equivalent (approximately 95% light and medium oil and liquids; an increase compared to 91% at year-end 2011). Share volume was 9,800 compared to an all-day average of 140,900 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;}