MOSCOW - London-listed Russian ports operator Global Ports said on Friday it had registered a 30 billion rouble ($442.54 million) bond programme to help refinance existing debt. “The programme, which will be commenced only if market conditions present suitable opportunity for such a step, provides (the company) with the potential to issue bonds in six tranches of 5 billion Russian roubles each,” Global Ports said in a statement. ($1 = 67.7900 roubles)