(b)
The following table entitled "GAAP to Non-GAAP Reconciliations" presents the computations of certain financial measures related to "tangible common equity" and "cash efficiency." The table reconciles the GAAP performance measures to the corresponding non-GAAP measures, which provides a basis for period-to-period comparisons.
(c)
(d)
December 31, 2020, ratio is estimated and reflects Key's election to adopt the CECL optional transition provision.
GAAP to Non-GAAP Reconciliations
(dollars in millions)
The table below presents certain non-GAAP financial measures related to "tangible common equity," "return on average tangible common equity," "pre-provision net revenue," and "cash efficiency ratio" and certain ratios excluding notable items.
Notable items include certain revenue or expense items that may occur in a reporting period which management does not consider indicative of ongoing financial performance. Management believes it is useful to consider certain financial metrics with and without notable items, in order to enable a better understanding of company results, increase comparability of period-to-period results, and to evaluate and forecast those results.