Russia is supplying 10% less natural gas to Slovakia than contracted on Thursday, the country's gas distributor SPP said after its Polish peer reported a deficit of 45% in deliveries from OAO Gazprom.

SPP spokesman Peter Bednar said the unplanned reduction in supplies from Russia has no impact on supplies to customers, because such shipments are fully guaranteed. The company continues to pump gas to Ukraine, which is cut off from direct deliveries from Gazprom.

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