Support from Commerzbank AG, its major shareholder. Good market position and increasingly diversified business lines. High systemic importance. Strained asset quality. Just adequate capitalization. The unsolicited public information ('pi') rating on Poland-based BRE Bank S.A. reflects Standard&Poor's Ratings Services' view of support that its 69.8% shareholder Germany-based Commerzbank AG (A/Negative/A-1) provides, and BRE's good market position. Offsetting these factors are the bank's strained asset quality, resulting from the economic slowdown and a high proportion of foreign currency lending, and just adequate capitalization. The rating benefits from uplift over our assessment of the bank's stand-alone creditworthiness due to parental support. We view BRE as having high systemic importance within the Polish banking sector. Under Standard&Poor's criteria, we