Peifang Zhang - Mar 15, 2023 Form 4 Insider Report for ARCH RESOURCES, INC. (ARCH)

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ARCH	Dividend Equivalent Rights	Award	$0	+24		$0.00	24	Mar 15, 2023	Class A Common Stock	24		Direct	F1, F2, F3
transaction	ARCH	Deferred Stock Units	Award	$0	+44	+14.72%	$0.00	343	Mar 15, 2023	Class A Common Stock	44		Direct	F2, F4, F5, F6

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Id	Content
F1	Each dividend equivalent right is the economic equivalent of one share of Class A Common Stock of Arch Resources, Inc. (the "Issuer").
F2	The reporting person has elected to reinvest dividend equivalents paid on outstanding restricted stock units ("RSUs") into additional RSUs.
F3	The dividend equivalent rights accrued on restricted stock units held by the reporting person and will vest proportionately with the restricted stock units to which they relate. Vested shares are scheduled to be delivered to the reporting person on the earlier of the third month anniversary of the date of the reporting person's separation of service from the Board or the date of the occurrence of a Change of Control.
F4	Each deferred stock unit represents the right to receive one share of Class A Common Stock of the Issuer.
F5	The deferred stock units are fully vested and will be delivered to the reporting person on the earlier of the third month anniversary of the date of the reporting person's separation of service from the Board or the date of the occurrence of a Change of Control.
F6	This total includes 299 Dividend Equivalent Rights which vested and became Deferred Stock Units on February 10, 2023.