深陷“商票(piao)兌(dui)付”風波(bo)的云南銅業(15.10,-0.02,-0.13%)(000878)公(gong)(gong)告，公(gong)(gong)司董(dong)(dong)事(shi)長(chang)楊超因(yin)工作(zuo)調動申請(qing)辭去公(gong)(gong)司第五屆董(dong)(dong)事(shi)會董(dong)(dong)事(shi)長(chang)、董(dong)(dong)事(shi)的職(zhi)(zhi)務(wu)(wu)。楊超辭職(zhi)(zhi)后，不再在公(gong)(gong)司工作(zuo)和擔任公(gong)(gong)司任何職(zhi)(zhi)務(wu)(wu)。在新的董(dong)(dong)事(shi)長(chang)、董(dong)(dong)事(shi)未選舉產生前，楊超仍(reng)將履行董(dong)(dong)事(shi)長(chang)、董(dong)(dong)事(shi)職(zhi)(zhi)務(wu)(wu)。

據公司控股股東云南銅業(集團)有限公司推(tui)薦，公司第五(wu)屆董(dong)事(shi)會(hui)提名委員(yuan)會(hui)同(tong)意(yi)提名武建強為(wei)公司第五(wu)屆董(dong)事(shi)會(hui)董(dong)事(shi)候選人。

云(yun)南銅業2012年12月29日公(gong)(gong)(gong)(gong)(gong)告(gao)，公(gong)(gong)(gong)(gong)(gong)司(si)(si)幾家下游客戶(hu)出(chu)現不同程度的(de)商票(piao)到期無法(fa)承(cheng)兌(dui)的(de)現象。截至2012年12月25日，公(gong)(gong)(gong)(gong)(gong)司(si)(si)共持有(you)逾(yu)期商業承(cheng)兌(dui)票(piao)據5.58億元(yuan)。公(gong)(gong)(gong)(gong)(gong)告(gao)還稱，公(gong)(gong)(gong)(gong)(gong)司(si)(si)會(hui)最大(da)限(xian)度的(de)避免和減少國(guo)有(you)資(zi)(zi)產損失，保護(hu)投資(zi)(zi)者權益；公(gong)(gong)(gong)(gong)(gong)司(si)(si)會(hui)按(an)照相關規定(ding)計(ji)提壞賬準備。上述商票(piao)事項對公(gong)(gong)(gong)(gong)(gong)司(si)(si)2012年度的(de)業績(ji)可能會(hui)產生重大(da)影響。2012年前(qian)三季度，云(yun)南銅業凈利潤虧損4044.81萬元(yuan)。