Additional Series or “Additional Series Equipment Notes” means Equipment Notes issued under the Indenture and designated as a Series (other than “Series A” or “Series B”) thereunder in the principal amounts and maturities and bearing interest as specified in Schedule I to the Indenture amended at the time of original issuance of such Additional Series under the heading for such Series.

Series or “Series of Securities” means each series of debentures, notes or other debt instruments of the Company created pursuant to Sections 2.1 and 2.2 hereof.

Record series means a group of records that may be treated as a unit for purposes of designation, description, management, or disposition.

Extension Series means all Extended Term Loans or Extended Revolving Credit Commitments (as applicable) that are established pursuant to the same Extension Agreement (or any subsequent Extension Agreement to the extent such Extension Agreement expressly provides that the Extended Term Loans or Extended Revolving Credit Commitments, as applicable, provided for therein are intended to be a part of any previously established Extension Series) and that provide for the same interest margins, extension fees, if any, and amortization schedule.

Refinancing Series means all Refinancing Term Loans or Refinancing Term Commitments that are established pursuant to the same Refinancing Amendment (or any subsequent Refinancing Amendment to the extent such Refinancing Amendment expressly provides that the Refinancing Term Loans or Refinancing Term Commitments provided for therein are intended to be a part of any previously established Refinancing Series) and that provide for the same Effective Yield and amortization schedule.

Required Subordinated Amount of Class C Notes means, for the Class B(2020-3) Notes for any date of determination, an amount equal to the sum of

CF Shadow Series means a series of Capital Stock that is identical in all respects to the shares of Capital Stock (whether Preferred Stock or another class issued by the Company) issued in the relevant Equity Financing (e.g., if the Company sells Series A Preferred Stock in an Equity Financing, the Shadow Series would be Series A-CF Preferred Stock), except that:

Required Subordinated Amount of Class B Notes means, for the Class A(2015-3) Notes for any date of determination, an amount equal to the product of

Encumbered Required Subordinated Amount of Class D Notes means, for the Class C(2020-4) Notes, the product of

Required Subordinated Amount of Class D Notes means, for the Class A(2017-7) Notes for any date of determination, an amount equal to the product of

Outstanding Parity Bonds means the Outstanding Series 2010B Bonds, Series 2011A Bonds, Series 2012A Bonds, Series 2014 Bonds, Series 2015 Bonds, Series 2016 Bonds, Series 2017 Bonds, and Series 2019A Bonds.

REO Principal Amortization With respect to any REO Property, for any calendar month, the excess, if any, of (a) the aggregate of all amounts received in respect of such REO Property during such calendar month, whether in the form of rental income, sale proceeds (including, without limitation, that portion of the Termination Price paid in connection with a purchase of all of the Mortgage Loans and REO Properties pursuant to Section 9.01 that is allocable to such REO Property) or otherwise, net of any portion of such amounts (i) payable pursuant to Section 3.23(c) in respect of the proper operation, management and maintenance of such REO Property or (ii) payable or reimbursable to the Servicer pursuant to Section 3.23(d) for unpaid Servicing Fees in respect of the related Mortgage Loan and unreimbursed Servicing Advances and P&I Advances in respect of such REO Property or the related Mortgage Loan, over (b) the REO Imputed Interest in respect of such REO Property for such calendar month.

Series 2017 Bonds means, collectively, the Series 2017A Bonds and the Series 2017B Bonds.

Outstanding Notes shall have the meaning set forth in Section 7.9(ii).

Class A Non-PO Optimal Principal Amount As to any Distribution Date, an amount equal to the sum, as to each Outstanding Mortgage Loan, of the product of (x) the Non-PO Fraction with respect to such Mortgage Loan, and (y) the sum of:

Unencumbered Required Subordinated Amount of Class D Notes means, for the Class B(2020-2) Notes, an amount equal to the product of

Additional Series Pass Through Certificates means the pass through certificates, if any, issued by any Additional Series Pass Through Trust (including, without limitation, any “Refinancing Certificates” (as such term is defined in the Intercreditor Agreement”) issued by a “Refinancing Trust” described in clause (ii) of the definition of “Additional Series Pass Through Trust”).

Class A-PO Optimal Principal Amount As to any Distribution Date, an amount equal to the sum of (I) the sum as to each Outstanding Mortgage Loan, of the product of (x) the PO Fraction with respect to such Mortgage Loan and (y) the sum of:

Additional Series Equipment Notes means Equipment Notes issued under the Indenture and designated as a Series (other than “Series AA” or “Series A”) thereunder in the principal amounts and maturities and bearing interest as specified in Schedule I to the Indenture amended at the time of original issuance of such Additional Series under the heading for such Series.

Class B-6 Optimal Principal Amount As to any Distribution Date, an amount equal to the sum of (I) the sum, as to each Outstanding Mortgage Loan, of the product of (x) the Non-PO Fraction with respect to such Mortgage Loan and (y) the sum of:

Class B-4 Optimal Principal Amount As to any Distribution Date, an amount equal to the sum of (I) the sum, as to each Outstanding Mortgage Loan, of the product of (x) the Non-PO Fraction with respect to such Mortgage Loan and (y) the sum of:

Required Subordinated Percentage of Class C Notes means, for the Class A(2022-1) Notes, 8.86075950%, subject to adjustment in accordance with Section 2.02.

Class B-3 Optimal Principal Amount As to any Distribution Date, an amount equal to the sum of (I) the sum, as to each Outstanding Mortgage Loan, of the product of (x) the Non-PO Fraction with respect to such Mortgage Loan and (y) the sum of:

Term Loan Extension Series has the meaning set forth in Section 2.16(a).

Class B-5 Optimal Principal Amount As to any Distribution Date, an amount equal to the sum of (I) the sum, as to each Outstanding Mortgage Loan, of the product of (x) the Non-PO Fraction with respect to such Mortgage Loan and (y) the sum of:

Series 2020 Bonds means the West Virginia Hospital Finance Authority Refunding Revenue Bonds (Thomas Health System, Inc.), Series 2020 A to be issued as a combination of tax-exempt and taxable non-rated fixed rate bonds by the Issuer, subject to its authority and discretion, in the aggregate principal amount of $60,100,000, to (i) refund and retire the Series 2008 Bonds at a discount to the current par amount outstanding, (ii) fund a debt service reserve fund for the Series 2020 Bonds, (iii) fund the Operating Reserve Fund, if necessary, as described in Article IV.C.1 of the Plan and (iv) finance costs of issuance of the Series 2020 Bonds.