I received a useful email from BDO Public Accountants (tel:44999530) and the link is;
http://www.gulfinteractive.net/BDO_News/pdfs/Tax_Circular_4-2011.pdf

The answer is yes - For Financial Year ends 31.12.10 you have until 31.12.11 to file and for Financial Year ends 31.12.11 you have until 30.04.12 to file. No tax is payable for 100% owned Qatari Companies