TORONTO (Standard & Poor's) April 10, 2002--Standard & Poor's today said it assigned its triple-'B'-plus senior unsecured debt rating to Talisman Energy Inc.'s C$500 million senior unsecured medium-term note program. As Talisman's forecasted cash flows should be sufficient to meet its near-term capital expenditures, Standard & Poor's expects any debt issued under the program will be used substantially to refinance existing debt. At the same time, the ratings outstanding on Calgary, Alta.-based Talisman, including the triple-'B'-plus long-term corporate credit rating, were affirmed. The ratings outlook is positive. Talisman is one of the largest independent upstream oil and gas companies in Canada, with core production areas in Western Canada, the North Sea, Indonesia, Sudan, Malaysia, and Vietnam. The company recently expanded