GlobeNewswire Inc | Jul 28, 2021 01:20PM EDT

July 28, 2021

TERRE HAUTE, Ind., July 28, 2021 (GLOBE NEWSWIRE) -- (Nasdaq: HNRG) Hallador Energy Company today announced that the Company plans to release its second quarter 2021 financial results on Form 10-Q after the markets close on Monday, August 9, 2021.

Earnings Conference Call and Webcast

Management will host an investor conference call and webcast on Tuesday, August 10, 2021, at 2:00 p.m. ET to discuss its secondquarter 2021 financial results.

The call will be webcast live on our website at www.halladorenergy.com under News and Events and available for a limited time.

To participate in the conference call, please dial:

Domestic Callers Toll-free (888) 347-5317

Canadian Callers Toll-free (855) 669-9657

Conference ID #: Hallador Energy Company HNRG call

Conference replay through August 17, 2021

Domestic Callers Toll-free (877) 344-7529

Canadian Callers Toll-free (855) 669-9658

Replay Access Code: 10158706

Hallador is headquartered in Terre Haute, Indiana, and through its wholly-owned subsidiary, Sunrise Coal, LLC, produces coal in the Illinois Basin for the electric power generation industry. To learn more about Hallador, visit our website at www.halladorenergy.com.

Contact: Investor Relations, (303) 839-5504