SEC Info - Arch Resources, Inc. - ‘10-K’ for 12/31/22

Arch Resources, Inc. – ‘10-K’ for 12/31/22 – ‘EX-31.2’

On: Thursday, 2/16/23, at 4:29pm ET · For: 12/31/22 · Accession #: 1558370-23-1458 · File #: 1-13105

As Of Filer Filing For·On·As Docs:Size Issuer Filing Agent 2/16/23 Arch Resources, Inc. 10-K 12/31/22 141:21M Toppan Merrill Bridge/FA

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Exhibit 31.2

Certification

I, Matthew C. Giljum, certify that:

1.I have reviewed this annual report on Form 10-K of Arch Resources, Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)

Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)

Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)

Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)

Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)

All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b)

Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.


	/s/ *Matthew C. Giljum*
	Matthew C. Giljum
	Senior Vice President and Chief Financial Officer
	February 16, 2023

This ‘10-K’ Filing

Date

Other Filings

Filed on:

2/16/23

8-K

For Period end:

12/31/22

List all Filings

As Of Filer Filing For·On·As Docs:Size Issuer Filing Agent 4/25/24 Arch Resources, Inc. 10-Q 3/31/24 82:8.4M Toppan Merrill Bridge/FA 3/22/24 American Federatio… Organizations DEFN14A 4/25/24 1:271K Warrior Met Coal, Inc. Securex Filings/FA 3/18/24 American Federatio… Organizations PRRN14A 1:202K Warrior Met Coal, Inc. Securex Filings/FA 2/29/24 American Federatio… Organizations PREN14A 4/25/24 1:259K Warrior Met Coal, Inc. Securex Filings/FA 2/15/24 Arch Resources, Inc. 10-K 12/31/23 140:28M Toppan Merrill Bridge/FA 10/26/23 Arch Resources, Inc. 10-Q 9/30/23 91:12M Toppan Merrill Bridge/FA 7/27/23 Arch Resources, Inc. 10-Q 6/30/23 89:11M Toppan Merrill Bridge/FA 4/27/23 Arch Resources, Inc. 10-Q 3/31/23 89:9.6M Toppan Merrill Bridge/FA

As Of Filer Filing For·On·As Docs:Size Issuer Filing Agent 12/16/22 Arch Resources, Inc. 8-K:5,9 12/12/22 11:408K Toppan Merrill/FA 10/27/22 Arch Resources, Inc. 10-Q 9/30/22 92:16M Toppan Merrill Bridge/FA 5/23/22 Arch Resources, Inc. 8-K:3,7,8,9 5/18/22 12:369K Toppan Merrill/FA 2/16/22 Arch Resources, Inc. 10-K 12/31/21 147:37M Toppan Merrill Bridge/FA 10/26/21 Arch Resources, Inc. 10-Q 9/30/21 95:12M Toppan Merrill Bridge/FA 7/27/21 Arch Resources, Inc. 10-Q 6/30/21 94:12M Toppan Merrill Bridge/FA 4/22/21 Arch Resources, Inc. 10-Q 3/31/21 91:9.9M Toppan Merrill Bridge/FA 2/12/21 Arch Resources, Inc. 10-K 12/31/20 142:20M Toppan Merrill Bridge/FA 11/04/20 Arch Resources, Inc. 8-K:1,2,3,911/03/20 12:1.3M Toppan Merrill/FA 10/23/20 Arch Resources, Inc. 10-Q 9/30/20 100:13M Toppan Merrill Bridge/FA 5/15/20 Arch Resources, Inc. 8-K:5,7,9 5/15/20 15:5.8M Toppan Merrill/FA 2/11/20 Arch Resources, Inc. 10-K 12/31/19 141:18M Workiva Inc Wde… FA01/FA 7/24/19 Arch Resources, Inc. 10-Q 6/30/19 90:10M Workiva Inc Wde… FA01/FA 2/14/19 Arch Resources, Inc. 10-K 12/31/18 143:19M Workiva Inc Wde… FA01/FA 10/23/18 Arch Resources, Inc. 10-Q 9/30/18 89:10M Workiva Inc Wde… FA01/FA 4/03/18 Arch Resources, Inc. 8-K:1,7,9 4/03/18 3:174K Toppan Merrill/FA 12/11/17 Arch Resources, Inc. 8-K:1,9 12/08/17 3:121K Toppan Merrill/FA 10/31/17 Arch Resources, Inc. 10-Q 9/30/17 87:9.4M Workiva Inc Wde… FA01/FA 9/25/17 Arch Resources, Inc. 8-K:1,7,9 9/25/17 3:170K Toppan Merrill/FA 9/19/17 Arch Resources, Inc. 8-K:1,9 9/13/17 3:133K Toppan Merrill/FA 5/02/17 Arch Resources, Inc. 8-K:1,2,8,9 4/27/17 6:3.2M Toppan Merrill/FA 3/08/17 Arch Resources, Inc. 8-K:1,2,7,9 3/07/17 4:1M Toppan Merrill/FA 11/30/16 Arch Resources, Inc. 8-K:5,9 11/23/16 3:126K Davis Polk & … LLP 01/FA 11/21/16 Arch Resources, Inc. 8-K:1,9 11/17/16 2:183K Toppan Merrill/FA 11/01/16 Arch Resources, Inc. S-8 11/01/16 4:257K Davis Polk & … LLP 01/FA 10/11/16 Arch Resources, Inc. 8-K:1,2,3,510/05/16 10:4.5M Toppan Merrill/FA 9/15/16 Arch Resources, Inc. 8-K:1,8,9 9/13/16 4:1.1M Toppan Merrill/FA 2/27/15 Arch Resources, Inc. 10-K 12/31/14 146:31M Toppan Merrill-FA 2/29/12 Arch Resources, Inc. 10-K 12/31/11 148:24M Toppan Merrill-FA 12/12/08 Arch Resources, Inc. 8-K:5,9 12/05/08 5:208K Bowne Boc/FA 3/11/05 Arch Resources, Inc. 10-K 12/31/04 13:1.4M Bowne Boc/FA 2/10/05 Arch Resources, Inc. 8-K:1,9 2/08/05 2:43K Bowne Boc/FA 3/02/99 Arch Resources, Inc. 10-K405 12/31/98 24:443K Bowne - Bde

Arch Resources, Inc. – ‘10-K’ for 12/31/22 – ‘EX-31.2’

On: Thursday, 2/16/23, at 4:29pm ET · For: 12/31/22 · Accession #: 1558370-23-1458 · File #: 1-13105

Previous ‘10-K’: ‘10-K’ on 2/16/22 for 12/31/21 · Next & Latest: ‘10-K’ on 2/15/24 for 12/31/23 · 41 References:

Annual Report — Form 10-K

Filing Table of Contents

‘EX-31.2’ — Certification — §302 – SOA’02

This Exhibit is an HTML Document rendered as filed. [ Alternative Formats ]

Dates Referenced Herein and Documents Incorporated by Reference

8 Subsequent Filings that Reference this Filing

33 Previous Filings that this Filing References

Arch Resources, Inc. – ‘10-K’ for 12/31/22 – ‘EX-31.2’

On: Thursday, 2/16/23, at 4:29pm ET · For: 12/31/22 · Accession #: 1558370-23-1458 · File #: 1-13105

Annual Report — Form 10-KFiling Table of Contents

‘EX-31.2’ — Certification — §302 – SOA’02

This Exhibit is an HTML Document rendered as filed. [ Alternative Formats ]

Dates Referenced Herein and Documents Incorporated by Reference

8 Subsequent Filings that Reference this Filing

33 Previous Filings that this Filing References

Annual Report — Form 10-K

Filing Table of Contents