Shared services are related to the management of the entire company or shared by multiple reporting segments Notes on Non-GAAP Financial Measures (Dollars in Millions) Confidential and proprietary information © 2023 Navient Solutions, LLC. All rights reserved. 16 5. Earnings before Interest, Taxes, Depreciation and Amortization Expense ("EBITDA") – This metric measures the operating performance of the Business Processing segment and is used by management and our equity investors to monitor operating perform ...