Form 6-K

Descargar 1st Quarter 2010 6-K Form (Formato PDF)   Descargar 3rd Quarter 2009 6-K Form (Formato PDF)   Descargar 2nd Quarter 2009 6-K Form (Formato PDF)   Descargar 1st Quarter 2009 6-K Form (Formato PDF)   Descargar 3rd Quarter 2008 6-K Form (Formato PDF)   Descargar 2nd Quarter 2008 6-K Form (Formato PDF)   Descargar 1st Quarter 2008 6-K Form (Formato PDF)   Descargar 3rd Quarter 2007 6-K Form (Formato PDF)   Descargar 2nd Quarter 2007 6-K Form (Formato PDF)   Descargar 1st Quarter 2007 6-K Form (Formato PDF)   Descargar 3rd Quarter 2006 6-K Form (Formato PDF)   Descargar 2nd Quarter 2006 6-K Form (Formato PDF)   Descargar 1st Quarter 2006 6-K Form (Formato PDF)   Descargar 3rd Quarter 2005 6-K Form (Formato PDF)   Descargar 2nd Quarter 2005 6-K Form (Formato PDF)   Descargar 1st Quarter 2005 6-K Form (Formato PDF)   Descargar 6-K Form PCS Yumbes (Formato PDF)   Descargar 3rd Quarter 2004 6-K Form (Formato PDF)   Descargar 2nd Quarter 2004 6-K Form (Formato PDF)   Descargar 1st Quarter 2004 6-K Form (Formato PDF)   Descargar 3rd Quarter 2002 6-K Form (Formato PDF)   Descargar 2nd Quarter 2003 6-K Form (Formato PDF)