Exhibit








Exhibit 4.2
EXECUTION VERSION




FIRST SUPPLEMENTAL INDENTURE
First Supplemental Indenture (this “Supplemental Indenture”), dated as of March 24, 2020, among Graham Healthcare Group, Inc., a Delaware corporation (the “Guaranteeing Subsidiary”), a subsidiary of Graham Holdings Company, a Delaware corporation (the “Company”), and The Bank of New York Mellon Trust Company, N.A., as trustee (the “Trustee”).
W I T N E S S E T H
WHEREAS, each of the Company and the Subsidiary Guarantors (as defined in the Indenture referred to below) has heretofore executed and delivered to the Trustee an indenture (the “Indenture”), dated as of May 30, 2018 providing for the issuance of an unlimited aggregate principal amount of 5.750% Senior Notes due 2026 (the “Notes”);
WHEREAS, the Indenture provides that under certain circumstances the Guaranteeing Subsidiary shall execute and deliver to the Trustee a supplemental indenture pursuant to which the Guaranteeing Subsidiary shall unconditionally Guarantee all of the Company’s Obligations under the Notes and the Indenture on the terms and conditions set forth herein and under the Indenture; and
WHEREAS, pursuant to Section 9.01 of the Indenture, the Trustee is authorized to execute and deliver this Supplemental Indenture.
NOW THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged, the parties mutually covenant and agree for the equal and ratable benefit of the Holders as follows:
1.Capitalized Terms.  Capitalized terms used herein without definition shall have the meanings assigned to them in the Indenture.
2.Subsidiary Guarantor.  The Guaranteeing Subsidiary hereby agrees to be a Subsidiary Guarantor under the Indenture and to be bound by the terms of the Indenture applicable to Subsidiary Guarantors, including Article 10 thereof.
3.Governing Law.  THIS SUPPLEMENTAL INDENTURE WILL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK.
4.Waiver of Jury Trial.  EACH OF THE GUARANTEEING SUBSIDIARY AND THE TRUSTEE HEREBY IRREVOCABLY WAIVES, TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY AND ALL RIGHT TO TRIAL BY JURY IN ANY LEGAL PROCEEDING ARISING OUT OF OR RELATING TO THIS SUPPLEMENTAL INDENTURE, THE INDENTURE, THE NOTES, THE SUBSIDIARY GUARANTEES OR THE TRANSACTIONS CONTEMPLATED HEREBY OR THEREBY.
5.Counterparts.  The parties may sign any number of copies of this Supplemental Indenture.  Each signed copy shall be an original, but all of them together represent the same agreement.
6.Headings.  The headings of the Sections of this Supplemental Indenture have been inserted for convenience of reference only, are not to be considered a part of this Supplemental Indenture and shall in no way modify or restrict any of the terms or provisions hereof.
[Signature pages follow]













IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly executed, all as of the date first above written.


Graham Healthcare Group, Inc.




By: /s/ David Curtis                                      
   Name: David Curtis
   Title:   Chief Executive Officer 

















THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., as Trustee




By: /s/ Lawrence M. Kusch                                                
   Name: Lawrence M. Kusch
   Title:   Vice President