UPDATE 1-Japan Post Insurance improper sales reach 12,836 cases -investigation committee <!-- no image --> <div>* Comes as government plans $10 bln sale of parent's shares (Adds previous disclosure, Japan Post Bank disclosure, government share sale, Nikkei report on improvement order, quote)<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=GrC1Vr-879k:2BuRwbrwpuU:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?d=yIl2AUoC8zA" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=GrC1Vr-879k:2BuRwbrwpuU:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=GrC1Vr-879k:2BuRwbrwpuU:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=GrC1Vr-879k:2BuRwbrwpuU:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=GrC1Vr-879k:2BuRwbrwpuU:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/GrC1Vr-879k" height="1" width="1" alt=""></div> Posted by Reuters