...NatWest Markets (NWM) is a highly strategic subsidiary of its ultimate parent, NatWest Group PLC (NWG). This classification takes into account NWM's materiality, important role in the parent's strategy, and close link to the group's brand and reputation. We see NWM as highly strategic rather than core (a stronger assessment). This is because we consider NWM to have a higher risk profile and weaker earnings than NWG's ring-fenced activities, which we assess as core to the group in our rating on the primary holding company of these operations, National Westminster Bank PLC. As a result of NWM's highly strategic status, we position the long-term issuer credit rating one notch below the 'a+' group credit profile, which includes a two-notch uplift for additional loss-absorbing capacity (ALAC). We do not determine a stand-alone credit profile for NWM. NWM is NWG's primary U.K. non-ring-fenced bank subsidiary. It houses the majority of the group's capital-market activities, which focus on rates,...