July 1 (Reuters) - Karelian Diamond Resources PLC KDR.L :
* KARELIAN DIAMOND RESOURCES PLC - AS OF TODAY'S DATE KARELIAN DIAMONDS AND RIO TINTO HAVE NOT ENTERED INTO A FURTHER EXTENSION ON AGREEMENT
* KARELIAN DIAMOND RESOURCES - CONSIDERING BEST MEANS TO PROGRESS EXPLORATION PROGRAMME AND IN PARTICULAR PROGRESS OPERATIONS AT LAHTOJOKI AND KUHMO