Russian natural-gas giant OAO Gazprom won’t stop pumping gas to its European customers even if Ukraine doesn’t pay its arrears—-expected to reach $3.5 billion next month—but it can’t guarantee those supplies will reach its intended customers, the company’s Deputy Chief Executive Alexander Medvedev said Friday. Russian state-controlled Gazprom supplies about 30% of Europe’s gas needs, around half of which travels through pipes that cross Ukraine. Any disruption to those flows could have a significant impact on European customers, including utilities in Italy and Germany, and push up prices across the region. But Russia also depends on the revenues from its energy exports which account for around 50% of federal income. Russia has cut off supplies to Ukraine twice in recent years, in 2006 and 2009, in both cases citing pricing disputes. The 2009 shut-off sent prices rising across Europe and triggered some gas shortages in Eastern Europe. Mr. Medvedev, […]