HNRG

SEC source: 0001140361-22-033104 · form4.xml · nonDerivative · entry 2

LAWRENCE BRYAN H · CIK 0001210010 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 318,596

F1 · shares: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.12 to $6.43, inclusive.

F1 · balance_after: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F14 · ownership.nature: These securities are owned directly by Yorktown VI Company LP. The reporting person is a member and a manager of Yorktown VI Associates LLC, the general partner of Yorktown VI Company LP. These shares were previously owned by Yorktown Energy Partners VI, L.P., and distributed to Yorktown VI Company LP pursuant to the Limited Partnership Agreement of Yorktown VI Company LP.

SEC source: 0001140361-22-033104 · form4.xml · nonDerivative · entry 12

LAWRENCE BRYAN H · CIK 0001210010 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · shares: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F13 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.23 to $6.45, inclusive.

F1 · balance_after: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F15 · ownership.nature: These securities are owned directly by Yorktown Energy Partners VII, L.P. The reporting person is a member and a manager of Yorktown VII Associates LLC, the general partner of Yorktown VII Company LP, the general partner of Yorktown Energy Partners VII, L.P.

SEC source: 0001140361-22-033104 · form4.xml · nonDerivative · entry 11

LAWRENCE BRYAN H · CIK 0001210010 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 24,551

F1 · shares: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.11 to $6.40, inclusive.

F1 · balance_after: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F15 · ownership.nature: These securities are owned directly by Yorktown Energy Partners VII, L.P. The reporting person is a member and a manager of Yorktown VII Associates LLC, the general partner of Yorktown VII Company LP, the general partner of Yorktown Energy Partners VII, L.P.

SEC source: 0001140361-22-033104 · form4.xml · nonDerivative · entry 10

LAWRENCE BRYAN H · CIK 0001210010 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 55,292

F1 · shares: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F11 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.46 to $6.60, inclusive.

F1 · balance_after: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F15 · ownership.nature: These securities are owned directly by Yorktown Energy Partners VII, L.P. The reporting person is a member and a manager of Yorktown VII Associates LLC, the general partner of Yorktown VII Company LP, the general partner of Yorktown Energy Partners VII, L.P.

SEC source: 0001140361-22-033104 · form4.xml · nonDerivative · entry 9

LAWRENCE BRYAN H · CIK 0001210010 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 86,003

F1 · shares: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.30 to $7.01, inclusive.

F1 · balance_after: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F15 · ownership.nature: These securities are owned directly by Yorktown Energy Partners VII, L.P. The reporting person is a member and a manager of Yorktown VII Associates LLC, the general partner of Yorktown VII Company LP, the general partner of Yorktown Energy Partners VII, L.P.

SEC source: 0001140361-22-033104 · form4.xml · nonDerivative · entry 8

LAWRENCE BRYAN H · CIK 0001210010 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 132,050

F1 · shares: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.10 to $7.43, inclusive.

F1 · balance_after: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F15 · ownership.nature: These securities are owned directly by Yorktown Energy Partners VII, L.P. The reporting person is a member and a manager of Yorktown VII Associates LLC, the general partner of Yorktown VII Company LP, the general partner of Yorktown Energy Partners VII, L.P.

SEC source: 0001140361-22-033104 · form4.xml · nonDerivative · entry 7

LAWRENCE BRYAN H · CIK 0001210010 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 150,788

F1 · shares: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.06 to $7.51, inclusive.

F1 · balance_after: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F15 · ownership.nature: These securities are owned directly by Yorktown Energy Partners VII, L.P. The reporting person is a member and a manager of Yorktown VII Associates LLC, the general partner of Yorktown VII Company LP, the general partner of Yorktown Energy Partners VII, L.P.

SEC source: 0001140361-22-033104 · form4.xml · nonDerivative · entry 6

LAWRENCE BRYAN H · CIK 0001210010 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 226,000

F1 · shares: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.13 to $7.38, inclusive.

F1 · balance_after: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F15 · ownership.nature: These securities are owned directly by Yorktown Energy Partners VII, L.P. The reporting person is a member and a manager of Yorktown VII Associates LLC, the general partner of Yorktown VII Company LP, the general partner of Yorktown Energy Partners VII, L.P.

SEC source: 0001140361-22-033104 · form4.xml · nonDerivative · entry 5

LAWRENCE BRYAN H · CIK 0001210010 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 285,680

F1 · shares: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.02 to $7.25, inclusive.

F1 · balance_after: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F15 · ownership.nature: These securities are owned directly by Yorktown Energy Partners VII, L.P. The reporting person is a member and a manager of Yorktown VII Associates LLC, the general partner of Yorktown VII Company LP, the general partner of Yorktown Energy Partners VII, L.P.

SEC source: 0001140361-22-033104 · form4.xml · nonDerivative · entry 1

LAWRENCE BRYAN H · CIK 0001210010 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 343,471

F1 · shares: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.82 to $7.21, inclusive. The reporting person undertakes to Hallador Energy Company (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnotes (2), (3), (4), (5), (6), (7), (8), (9), (10), (11), (12) and (13).

F1 · balance_after: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F14 · ownership.nature: These securities are owned directly by Yorktown VI Company LP. The reporting person is a member and a manager of Yorktown VI Associates LLC, the general partner of Yorktown VI Company LP. These shares were previously owned by Yorktown Energy Partners VI, L.P., and distributed to Yorktown VI Company LP pursuant to the Limited Partnership Agreement of Yorktown VI Company LP.

SEC source: 0001437749-22-019868 · rdgdoc.xml · derivative · entry 1

HARDIE DAVID C · CIK 0001166809 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Hallador Alternative Assets Fund LLC

Disclosed balance after: 159,898

Underlying: Common Stock · 159,898 shares

Expires 2024-08-17

F1 · ownership.nature: Hallador Alternative Assets Fund LLC, a limited liability company organized under the laws of the State of Delaware ("HAAF"). HAAF is a private equity investment fund directed or controlled by its managing members, of which is David C. Hardie.

SEC source: 0001437749-22-019782 · rdgdoc.xml · derivative · entry 1

LUBAR DAVID J · CIK 0001032385 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lubar Opportunities Fund I, LLC

Disclosed balance after: 1,279,182

Underlying: Common Stock · 479,693 shares

Expires 2024-08-17

F1 · ownership.nature: These securities are owned by Lubar Opportunities Fund I, LLC ("LOFI"). Lubar & Co. is the sole manager of the fund. Mr. David Lubar, as CEO of Lubar & Co., may be deemed to share voting and dispositive power as to the shares held by LOFI. Mr. David Lubar disclaims beneficial ownership in the shares owned by LOFI, except to the extent of his respective pecuniary interest therein.

SEC source: 0001437749-22-018504 · rdgdoc.xml · derivative · entry 1

LUBAR DAVID J · CIK 0001032385 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lubar Opportunities Fund I, LLC

Disclosed balance after: 799,489

Underlying: Common Stock · 799,489 shares

Expires 2024-08-17

F1 · ownership.nature: These securities are owned by Lubar Opportunities Fund I, LLC ("LOFI"). Lubar & Co. is the sole manager of the fund. Mr. David Lubar, as CEO of Lubar & Co., may be deemed to share voting and dispositive power as to the shares held by LOFI. Mr. David Lubar disclaims beneficial ownership in the shares owned by LOFI, except to the extent of his respective pecuniary interest therein.

SEC source: 0001437749-22-015336 · rdgdoc.xml · nonDerivative · entry 1

HARDIE DAVID C · CIK 0001166809 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Hallador Alternative Assets Fund LLC

Disclosed balance after: 2,009,892

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · shares: These shares were issued upon conversion of two convertible promissory notes to Hallador Alternative Assets Fund LLC; one for $1,000,000 dated May 2, 2022 as reported on Form 8-K dated May 6, 2022, and the other $750,000 dated May 20, 2022 reported on Form 10-Q on May 23 2022.

F1 · price: Based on the 30-trading day trailing VWAP ending on and including the day of conversion.

SEC source: 0001437749-22-014898 · rdgdoc.xml · nonDerivative · entry 1

HARDIE STEVEN · CIK 0001167757 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,962,500

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · shares: These shares were issued upon conversion of two convertible promissory notes to NextG Partners, LLC ("NextG"); one for $1,000,000 dated May 2, 2022 as reported on Form 8-K dated May 6, 2022, and the other $750,000 dated May 20, 2022 reported on Form 10-Q on May 23 2022.

F1 · price: Based on the 30-trading day trailing VWAP ending on and including the day of conversion.

F3 · balance_after: 1,788,441 shares are owned by NextG Partners, LLC. Mr. Hardie is a member and manager of NextG, and owns 38% of its membership interests. He disclaims beneficial ownership of the other 62% of the shares owned by NextG. 139,089 shares are owned directly by Mr. Steven R. Hardie individually. 21,489 shares are owned beneficially by the Steven Robert Hardie Trust. Mr. Hardie is trustee, and disclaims any beneficial ownership in the trust. 13,481 shares are owned beneficially by the Sandra W. Hardie Revocable Family Trust. Mr. Hardie's spouse is trustee of the trust, and Mr. Hardie disclaims any beneficial ownership of the shares in the trust.

F3 · ownership.nature: 1,788,441 shares are owned by NextG Partners, LLC. Mr. Hardie is a member and manager of NextG, and owns 38% of its membership interests. He disclaims beneficial ownership of the other 62% of the shares owned by NextG. 139,089 shares are owned directly by Mr. Steven R. Hardie individually. 21,489 shares are owned beneficially by the Steven Robert Hardie Trust. Mr. Hardie is trustee, and disclaims any beneficial ownership in the trust. 13,481 shares are owned beneficially by the Sandra W. Hardie Revocable Family Trust. Mr. Hardie's spouse is trustee of the trust, and Mr. Hardie disclaims any beneficial ownership of the shares in the trust.

SEC source: 0001437749-22-014769 · rdgdoc.xml · nonDerivative · entry 1

Wesley Charles Ray IV · CIK 0001750200 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 199,472

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · shares: The issuance of shares is the result of the conversion of a promissory note issued on May 2, 2022 as report on Form 8-K on May 6, 2022. Mr. Wesley, as trustee of the Charles R. Wesley IV Revocable Trust, may be deemed to have voting and dispositive power as to the shares held by the trust.

F1 · price: Based on the 30-trading day trailing VWAP ending on and including the day of conversion.

F3 · balance_after: 108,202 shares owned by the Charles R. Wesley IV Revocable Trust. The balance of the shares are owned by Mr. Wesley directly.

F2 · ownership.nature: The issuance of shares is the result of the conversion of a promissory note issued on May 2, 2022 as report on Form 8-K on May 6, 2022. Mr. Wesley, as trustee of the Charles R. Wesley IV Revocable Trust, may be deemed to have voting and dispositive power as to the shares held by the trust.

SEC source: 0001437749-22-014532 · rdgdoc.xml · nonDerivative · entry 1

LUBAR DAVID J · CIK 0001032385 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,941,557

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · ownership.nature: These securities are owned by Lubar Opportunities Fund I, LLC ("LOFI"). Lubar & Co. is the sole manager of the fund. Mr. David Lubar, as CEO of Lubar & Co., may be deemed to share voting and dispositive power as to the shares held by LOFI. Mr. David Lubar disclaims beneficial ownership in the shares owned by LOFI, except to the extent of his respective pecuniary interest therein

SEC source: 0001437749-22-002257 · rdgdoc.xml · derivative · entry 2

Davis Robert Todd · CIK 0001771506 · SVP & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock, par value $.01 · 10,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · shares: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · derivative.exercise_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · derivative.expiration_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · derivative.underlying_shares: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · balance_after: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

SEC source: 0001437749-21-029007 · rdgdoc.xml · derivative · entry 3

Bilsland Brent K · CIK 0001424577 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $.01 · Not disclosed shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · shares: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · derivative.exercise_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · derivative.expiration_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · derivative.underlying: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · derivative.underlying_shares: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

SEC source: 0001437749-21-029007 · rdgdoc.xml · nonDerivative · entry 2

Bilsland Brent K · CIK 0001424577 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 853,708

F2 · shares: Represents vested shares of common stock withheld by the Issuer to satisfy applicable payroll tax withholding.

SEC source: 0001437749-21-029007 · rdgdoc.xml · nonDerivative · entry 1

Bilsland Brent K · CIK 0001424577 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 883,889

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · shares: Represents Restricted Stock Units that vested on December 16, 2021. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

SEC source: 0001437749-21-029004 · rdgdoc.xml · derivative · entry 3

Martin Lawrence D · CIK 0001425718 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F3 · date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F3 · shares: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F3 · price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F3 · derivative.exercise_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F3 · derivative.expiration_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F3 · derivative.underlying: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F3 · derivative.underlying_shares: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

SEC source: 0001437749-21-029004 · rdgdoc.xml · nonDerivative · entry 2

Martin Lawrence D · CIK 0001425718 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 348,959

F1 · shares: Represents Restricted Stock Units that vested on December 16, 2021. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F2 · shares: Represents vested shares of common stock withheld by the Issuer to satisfy applicable payroll tax withholding.

SEC source: 0001437749-21-029004 · rdgdoc.xml · nonDerivative · entry 1

Martin Lawrence D · CIK 0001425718 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 365,677

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents Restricted Stock Units that vested on December 16, 2021. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

SEC source: 0001437749-22-002253 · rdgdoc.xml · derivative · entry 3

Davis Robert Todd · CIK 0001771506 · SVP & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Common Stock, par value $.01 · 2,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Represents Restricted Stock Units that vested on December 1, 2021. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · shares: Represents Restricted Stock Units that vested on December 1, 2021. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · price: Represents Restricted Stock Units that vested on December 1, 2021. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · derivative.exercise_date: Represents Restricted Stock Units that vested on December 1, 2021. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · derivative.expiration_date: Represents Restricted Stock Units that vested on December 1, 2021. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · derivative.underlying_shares: Represents Restricted Stock Units that vested on December 1, 2021. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

SEC source: 0001437749-22-002253 · rdgdoc.xml · nonDerivative · entry 2

Davis Robert Todd · CIK 0001771506 · SVP & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,252

F2 · shares: Represents vested shares of common stock withheld by the Issuer to satisfy applicable payroll tax withholding.

SEC source: 0001437749-22-002253 · rdgdoc.xml · nonDerivative · entry 1

Davis Robert Todd · CIK 0001771506 · SVP & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,126

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents Restricted Stock Units that vested on December 1, 2021. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

SEC source: 0001437749-20-026084 · rdgdoc.xml · nonDerivative · entry 1

Wesley Charles Ray IV · CIK 0001750200 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,270

F1 · shares: These shares were issued to the reporting person as consideration for his service on the Issuer's Board of Directors. The number of shares were calculated by dividing the reporting person's compensation of $50,000 by $0.65/share.

F2 · shares: The share price is the average 30 day closing price of the stock preceding August 4, 2020.

F2 · price: The share price is the average 30 day closing price of the stock preceding August 4, 2020.

SEC source: 0001424577-20-000002 · primary_doc.xml · derivative · entry 3

Martin Lawrence D · CIK 0001425718 · Director · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,500

Underlying: Common Stock, par value $.01 · 37,500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Represents Restricted Stock Units that vested on December 16, 2020. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F2 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · price: Represents Restricted Stock Units that vested on December 16, 2020. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F2 · price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · derivative.exercise_date: Represents Restricted Stock Units that vested on December 16, 2020. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F2 · derivative.exercise_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · derivative.expiration_date: Represents Restricted Stock Units that vested on December 16, 2020. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F2 · derivative.expiration_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · derivative.underlying_shares: Represents Restricted Stock Units that vested on December 16, 2020. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F2 · derivative.underlying_shares: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

SEC source: 0001424577-20-000002 · primary_doc.xml · nonDerivative · entry 2

Martin Lawrence D · CIK 0001425718 · Director · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 328,177

F3 · shares: Represents vested shares of common stock withheld by the Issuer to satisfy applicable payroll tax withholding.

SEC source: 0001424577-20-000002 · primary_doc.xml · nonDerivative · entry 1

Martin Lawrence D · CIK 0001425718 · Director · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 344,895

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents Restricted Stock Units that vested on December 16, 2020. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F2 · shares: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

SEC source: 0001424577-20-000001 · primary_doc.xml · derivative · entry 3

Bilsland Brent K · CIK 0001424577 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 68,750

Underlying: Common Stock, par value $.01 · 68,750 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · price: Represents Restricted Stock Units that vested on December 16, 2020. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F3 · price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · derivative.exercise_date: Represents Restricted Stock Units that vested on December 16, 2020. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F3 · derivative.exercise_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · derivative.expiration_date: Represents Restricted Stock Units that vested on December 16, 2020. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F3 · derivative.expiration_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · derivative.underlying_shares: Represents Restricted Stock Units that vested on December 16, 2020. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F3 · derivative.underlying_shares: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

SEC source: 0001424577-20-000001 · primary_doc.xml · nonDerivative · entry 2

Bilsland Brent K · CIK 0001424577 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 815,139

F1 · shares: Represents Restricted Stock Units that vested on December 16, 2020. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F2 · shares: Represents vested shares of common stock withheld by the Issuer to satisfy applicable payroll tax withholding.

SEC source: 0001424577-20-000001 · primary_doc.xml · nonDerivative · entry 1

Bilsland Brent K · CIK 0001424577 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 845,375

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents Restricted Stock Units that vested on December 16, 2020. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

SEC source: 0001771506-20-000002 · primary_doc.xml · derivative · entry 1

Davis Robert Todd · CIK 0001771506 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,000

Underlying: Common Stock · 10,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Hallador Energy Company common stock.

F1 · shares: Each restricted stock unit represents a contingent right to receive one share of Hallador Energy Company common stock.

F2 · price: The RSUs shall vest on July 31, 2023, or otherwise, pursuant to the terms of the 2008 Amended and Restated Restricted Stock Unit Plan and the applicable award agreement. Vested shares will be delivered to the reporting person pursuant to terms of the Amended and Restated 2008 RSU Plan.

F2 · derivative.exercise_date: The RSUs shall vest on July 31, 2023, or otherwise, pursuant to the terms of the 2008 Amended and Restated Restricted Stock Unit Plan and the applicable award agreement. Vested shares will be delivered to the reporting person pursuant to terms of the Amended and Restated 2008 RSU Plan.

F2 · derivative.expiration_date: The RSUs shall vest on July 31, 2023, or otherwise, pursuant to the terms of the 2008 Amended and Restated Restricted Stock Unit Plan and the applicable award agreement. Vested shares will be delivered to the reporting person pursuant to terms of the Amended and Restated 2008 RSU Plan.

F1 · derivative.underlying_shares: Each restricted stock unit represents a contingent right to receive one share of Hallador Energy Company common stock.

SEC source: 0001425718-19-000002 · primary_doc.xml · derivative · entry 3

Martin Lawrence D · CIK 0001425718 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,000

Underlying: Common Stock · 37,500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Represents Restricted Stock Units that vested on December 16, 2019. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F2 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · shares: Represents Restricted Stock Units that vested on December 16, 2019. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F2 · shares: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · price: Represents Restricted Stock Units that vested on December 16, 2019. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F2 · price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · derivative.exercise_date: Represents Restricted Stock Units that vested on December 16, 2019. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F2 · derivative.exercise_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · derivative.expiration_date: Represents Restricted Stock Units that vested on December 16, 2019. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F2 · derivative.expiration_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

SEC source: 0001425718-19-000002 · primary_doc.xml · nonDerivative · entry 2

Martin Lawrence D · CIK 0001425718 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 307,395

F3 · shares: Represents vested shares of common stock withheld by the Issuer to satisfy applicable payroll tax withholding.

SEC source: 0001425718-19-000002 · primary_doc.xml · nonDerivative · entry 1

Martin Lawrence D · CIK 0001425718 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 324,113

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents Restricted Stock Units that vested on December 16, 2019. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F2 · shares: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

SEC source: 0001424577-19-000001 · primary_doc.xml · derivative · entry 3

Bilsland Brent K · CIK 0001424577 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 137,500

Underlying: Common Stock, par value $.01 · 68,750 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Represents Restricted Stock Units that vested on December 16, 2019. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F2 · price: Represents Restricted Stock Units that vested on December 16, 2019. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F3 · price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F2 · derivative.exercise_date: Represents Restricted Stock Units that vested on December 16, 2019. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F3 · derivative.exercise_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F2 · derivative.expiration_date: Represents Restricted Stock Units that vested on December 16, 2019. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F3 · derivative.expiration_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F2 · derivative.underlying_shares: Represents Restricted Stock Units that vested on December 16, 2019. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F3 · derivative.underlying_shares: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

SEC source: 0001424577-19-000001 · primary_doc.xml · nonDerivative · entry 2

Bilsland Brent K · CIK 0001424577 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 776,625

F1 · shares: Represents vested shares of common stock withheld by the Issuer to satisfy applicable payroll tax withholding.

SEC source: 0001424577-19-000001 · primary_doc.xml · nonDerivative · entry 1

Bilsland Brent K · CIK 0001424577 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 806,861

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · shares: Represents Restricted Stock Units that vested on December 16, 2019. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F3 · shares: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

SEC source: 0001771506-20-000001 · primary_doc.xml · derivative · entry 3

Davis Robert Todd · CIK 0001771506 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,000

Underlying: common stock par value $.01 · 2,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Represents Restricted Stock Units that vested on December 1, 2019. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · shares: Represents Restricted Stock Units that vested on December 1, 2019. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · price: Represents Restricted Stock Units that vested on December 1, 2019. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · derivative.exercise_date: Represents Restricted Stock Units that vested on December 1, 2019. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · derivative.expiration_date: Represents Restricted Stock Units that vested on December 1, 2019. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

SEC source: 0001771506-20-000001 · primary_doc.xml · nonDerivative · entry 2

Davis Robert Todd · CIK 0001771506 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,126

F2 · shares: Represents vested shares of common stock withheld by the Issuer to satisfy applicable payroll tax withholding.

F1 · balance_after: Represents Restricted Stock Units that vested on December 1, 2019. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

SEC source: 0001771506-20-000001 · primary_doc.xml · nonDerivative · entry 1

Davis Robert Todd · CIK 0001771506 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents Restricted Stock Units that vested on December 1, 2019. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · balance_after: Represents Restricted Stock Units that vested on December 1, 2019. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

SEC source: 0001750200-19-000001 · primary_doc.xml · nonDerivative · entry 4

Wesley Charles Ray IV · CIK 0001750200 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,347

SEC source: 0001750200-19-000001 · primary_doc.xml · nonDerivative · entry 3

Wesley Charles Ray IV · CIK 0001750200 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,347

SEC source: 0001750200-19-000001 · primary_doc.xml · nonDerivative · entry 2

Wesley Charles Ray IV · CIK 0001750200 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,347

SEC source: 0001750200-19-000001 · primary_doc.xml · nonDerivative · entry 1

Wesley Charles Ray IV · CIK 0001750200 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,347

SEC source: 0001166809-19-000002 · primary_doc.xml · nonDerivative · entry 1

HARDIE DAVID C · CIK 0001166809 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By David Hardie Separate Property Trust

Disclosed balance after: 169,469

SEC source: 0000899243-19-021712 · doc4.xml · nonDerivative · entry 2

LAWRENCE BRYAN H · CIK 0001210010 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · kind: Pro rata distributions from Yorktown Energy Partners VIII, L.P., Yorktown VIII Company LP and Yorktown VIII Associates LLC.

F2 · shares: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F3 · ownership.nature: These securities are owned directly by Yorktown Energy Partners VIII, L.P. The reporting person is a member and a manager of Yorktown VIII Associates LLC, the general partner of Yorktown VIII Company LP, the general partner of Yorktown Energy Partners VIII, L.P.