UPDATE 1-Exxon to pay Valdez spill interest within days

by Wednesday: attorney for Alaskans who sued * $470 mln payment ends most wrangling over 1989 spill (Adds Exxon spokesman comments) By Yereth Rosen ANCHORAGE, Alaska, June 30 (Reuters) Exxon Mobil Corp (XOM.N) will within two showComments allowSLCall...