except as required by law or regulation  the counterparty agrees that it shall keep confidential  and under no circumstances disclose to a third party  any information or advice furnished by the ecb or any information concerning the ecb obtained by the counterparty as a result of it being a party to the agreement  including without limitation information regarding the existence or terms of the agreement ( including this annex ) or the relationship between the counterparty and the ecb created thereby  nor shall the counterparty use the name of the ecb in any advertising or promotional material 