...HONG KONG (S&P Global Ratings) April 11, 2017--S&P Global Ratings today affirmed its 'A' long-term and 'A-1' short-term issue rating on Bank of China Ltd.'s (BOC: A/Stable/A-1; cnAA+/--/cnA-1) medium-term notes (MTN) program, after the program was upsized to US$30 billion from US$20 billion. We also affirmed our 'cnAA+' long-term and 'cnA-1' short-term Greater China regional scale ratings on the MTN program. The ratings are subject to our review of the final issuance documentation. The ratings assigned to the program are applicable to the senior unsecured notes issued by BOC and its overseas branches. The ratings also cover any BOC subsidiary issuances that are guaranteed by an overseas branch of BOC as specified in the relevant pricing supplement. Senior notes and guaranteed notes under the program constitute direct, general, unsubordinated, unconditional, and unsecured obligations of BOC and at all times rank equally among themselves. Ratings on individual notes will be subject to our...