Arch Resources Inc. Watch

from 8-K 104 pages Arch Resources, Inc. and Umb Bank, National Association as Trustee Indenture Dated as of November 3, 2020 5.25% Convertible Senior Notes Due 2025

from 10-K 4 pages Description of Capital Securities

from 8-K 2 pages Acb Class B Common Stock Par Value $.01 Cusip 039380 50 6 See Reverse for Certain Definitions Incorporated Under the Laws of the State of Delaware This Certifies That Is the Owner of Fully Paid and Non-Assessable Shares of the Class B Common Stock of Arch Coal, Inc., Transferable on the Books of the Corporation by the Holder Hereof in Person or by Duly Authorized Attorney Upon the Surrender of This Certificate Properly Endorsed. This Certificate Is Not Valid Unless Countersigned by the Transfer Agent and Registered by the Registrar. Witness the Facsimile Seal of the Corporation and the Facsimile Signatures of Its Duly Authorized Officers. Dated: Countersigned and Registered: American Stock Transfer & Trust Company, LLC (Brooklyn, Ny) Transfer Agent and Registrar By: Chief Executive Officer Seal Authorized Signature Corporate Secretary

from 8-K 2 pages Aca Class a Common Stock Par Value $.01 Cusip 039380 40 7 See Reverse for Certain Definitions Incorporated Under the Laws of the State of Delaware This Certifies That Is the Owner of Fully Paid and Non-Assessable Shares of the Class a Common Stock of Arch Coal, Inc., Transferable on the Books of the Corporation by the Holder Hereof in Person or by Duly Authorized Attorney Upon the Surrender of This Certificate Properly Endorsed. This Certificate Is Not Valid Unless Countersigned by the Transfer Agent and Registered by the Registrar. Witness the Facsimile Seal of the Corporation and the Facsimile Signatures of Its Duly Authorized Officers. Dated: Countersigned and Registered: American Stock Transfer & Trust Company, LLC (Brooklyn, Ny) Transfer Agent and Registrar By: Chief Executive Officer Seal Authorized Signature Corporate Secretary

from 8-K 9 pages Second Supplemental Indenture Dated as of July 16, 2015 Among Arch Coal, Inc., the Guarantors Party Hereto and U.S. Bank National Association, as Trustee 7.25% Senior Notes Due 2020

from 10-K 7 pages Second Supplemental Indenture

from 10-K 7 pages Sixth Supplemental Indenture

from 10-K 7 pages Eighth Supplemental Indenture Governing 7 ¼% Senior Notes Due 2020 of Arch Coal, Inc

from 10-K 7 pages Tenth Supplemental Indenture Governing 8.750% Senior Notes Due 2016 of Arch Coal, Inc

from 8-K 120 pages Arch Coal, Inc., as Issuer

from 8-K 10 pages Eleventh Supplemental Indenture

from 10-Q 7 pages First Supplemental Indenture

from 10-Q 7 pages Fifth Supplemental Indenture

from 10-Q 7 pages Seventh Supplemental Indenture Governing 7 ¼% Senior Notes Due 2020 of Arch Coal, Inc

from 10-Q 7 pages Ninth Supplemental Indenture Governing 8.750% Senior Notes Due 2016 of Arch Coal, Inc

from 8-K 30 pages Registration Rights Agreement

from 8-K 134 pages Arch Coal, Inc. as Issuer

from 10-Q 6 pages Fourth Supplemental Indenture

from 10-Q 6 pages Sixth Supplemental Indenture Governing 7 ¼% Senior Notes Due 2020 of Arch Coal, Inc

from 10-Q 6 pages Eighth Supplemental Indenture Governing 8.750% Senior Notes Due 2016 of Arch Coal, Inc