No. 1

We hereby inform you that the Bank, for the purpose of entering into fx option transactions, interest rate option transactions and forward and derivatives transactions where underlying are commodity prices, uses reference prices/rates provided to the Bank directly by the following financial institutions:

• Citibank N.A., Citigroup Centre, Canada Square, Canary Wharf, London E14 5LB, the Great Britain;
• Citibank N.A., 399 Park Avenue, New York, New York 10043, the United States of America;
• Citigroup Global Markets Limited, Canada Square, Canary Wharf, London E14 5LB, the Great Britain.

The enumerated institutions are quotation providers for indicated transactions entered into by the Bank with Clients.