LONDON -- Standard&Poor's CreditWire 6/4/98 -- Standard&Poor's today affirmed the Republic of Poland's triple-'B'-minus long-term foreign currency rating and its single-'A'-minus local currency rating. The outlook is positive for both ratings. Standard&Poor's has also affirmed Poland's 'A-1' short-term local currency and 'A-3' short-term foreign currency ratings. Poland's ratings and positive outlook reflect: -- Favorable prospects under the new government, which was elected last September, for further fiscal adjustments as well as for public sector and other major structural reforms as Poland targets EU membership. -- Rising foreign investors' confidence--supported by Poland's increasing international integration-- that is crucial to attaining the level of investment required for modernization of the economy and for financing that modernization