RTRS - TOP-20 AKZO NOBEL AKZO.AS SHAREHOLDER COLUMBIA THREADNEEDLE SAYS SEES "S RTRS - TOP-20 AKZO NOBEL AKZO.AS SHAREHOLDER COLUMBIA THREADNEEDLE SAYS SEES "STRONG LOGIC" IN TIE-UP WITH PPG PPG.N , WANTS AKZO "TO RECOGNISE THIS AND ENGAGE"