Gold Resource Corporation Reports Results of Operations for the Year-Ended December 31, 2022

• SOLD 42,757 GOLD EQUIVALENT OUNCES, EXCEEDING 2022 GUIDANCE
• NET LOSSES OF $6.3 MILLION AND EBITDA OF $29.5 MILLION
• STRONG CASH BALANCE OF $23.7 MILLION AT YEAR END
• MINERAL RESOURCE AND RESERVES REPLACED 88% AND 74%, RESPECTIVELY
• 2022 FINANCIAL RESULTS REMAIN UNAUDITED, BDO USA, LLP, STILL TO COMPLETE FINAL AUDIT PROCEDURES AND RESULTS WILL BE RELEASED WITH THE 10-K

DENVER--(BUSINESS WIRE)--Gold Resource Corporation (NYSE American: GORO) (the “Company”) sold a total of 30,119 ounces of gold and 1,057,209 ounces of silver in 2022 for a total of 42,757 gold equivalent ounces. Additionally, during the year, the Company sold 14,157 tonnes of zinc, 1,348 tonnes of copper, and 5,391 tonnes of lead. For the year ended December 31, 2022, the company reported a net loss of $6.3 million with revenue of $138.7 million and mine gross profit of $29.7 million from operations. A total of $31.3 million was invested in the Don David Gold Mine and Back Forty Project.

Allen Palmiere, President and CEO, said, “Despite global challenges faced this year, such as inflation, and localized challenges such as ground support and ventilation, gold and silver production at the Don David Gold Mine in Mexico still ended the year above guidance. We also made excellent strides with our operations, capital, and exploration programs. The results of the Q4 2022 drilling at DDGM are very promising and have confirmed the ongoing 2023 drill program is on the right track to potentially deliver higher grade resources into the near- and mid-term mine plan. With improved access and ventilation our team can now aggressively continue with the underground infill and expansion drilling to follow-up these positive results. While our grade profile is expected to decline in 2023, we continue to identify and implement productivity improvements. Work continues with the feasibility study to advance the Back Forty Project in Michigan with a deliberate and measured approach. Upon completion, preparation of State of Michigan permits will follow. In both Mexico and Michigan, we are focused on collaborating with local communities to ensure sustainability.”

2022 HIGHLIGHTS

Additional highlights for the year ended December 31, 2022, are summarized below:

Strategic:

• Cash inflow of $14.2 million from operating activities for 2022, which included $18.6 million of income tax payments for tax years 2021 and 2022.
• Distributions to shareholders of $3.5 million in shareholder dividends prior to the February 13^th, 2023, announcement of the suspension of future quarterly dividends to protect our balance sheet and to focus capital resources on exploration and growth opportunities.
• Investments of Canadian dollar (“C$”) 2.4 million (approximately $1.7 million) in Maritime Resources Corp. (TSX-V: MAE.V) (“Maritime”) in exchange for 9.9% of Maritime’s shares in a private placement.

Don David Gold Mine:

• The DDGM safety program aims to bolster the overall health and safety culture of our employees.
  • There were six lost time incidents during 2022. The incidents were thoroughly investigated, and the appropriate actions were taken.
  • The full year lost time injury frequency rate per million hours of 2.5 which is substantially below the 5.7 Camimex (Mexican Chamber of Mines) benchmark.
• Don David Gold Mine (“DDGM”) total cash costs (after co-product credits) and total all-in sustaining cost per gold equivalent (“AuEq”) ounce sold were $458 and $788, respectively (See “Reconciliation of Non-GAAP Financial Measures” below).
• During the year, exploration continued to focus on infill drilling with encouraging results from the Arista, Three Sisters, and Switchback vein systems. However, we faced localized ground conditions and ventilation challenges that slowed drift extensions to multiple underground drill stations. Those technical issues have been addressed, and we have commenced step-out drilling in multiple highly prospective areas.

Back Forty Project:

• The feasibility study work for the Back Forty Project in Michigan, USA progressed during 2022. Work related to metallurgy and the economic model will continue with a deliberate and measured approach and is expected to be completed in the first half of 2023.
• Once the feasibility study is completed, the Company’s Board of Directors will evaluate the current economic climate and make a decision on how to move forward with the permitting and construction of the Back Forty Mine.
• The Company continues to meet with the community and government agencies to demonstrate the value of this project.

Full Year 2022 Financial Results

Financial Measures (Unaudited) ($’s in millions)
Cash balance at December 31, 2022	$23.7
	For the Year Ended December 31, 2022
Cash from continuing operating activities	$14.2
Net loss	$(6.3)
Net sales	$138.7
Production costs	$80.9
Depreciation, amortization, & reclamation	$28.0
Mining gross profit	$29.7
EBITDA	$29.5

2022 Capital and Exploration Investment Summary

		For the year ended December 31, 2022
		(in thousands)
Sustaining Investments:
Underground Development	Capital	$	6,619
Underground Exploration Development	Capital		3,034
Infill Drilling	Capital		3,459
Other Sustaining Capital	Capital		3,227
Growth Investments:
Surface Exploration & Other	Exploration		1,929
Underground Exploration Drilling	Exploration		2,315
Back Forty Feasibility Study & Permits	Exploration		8,805
Gold Regrind	Capital		745
Dry Stack Completion	Capital		1,149
Total Capital and Exploration:		$	31,282

Reconciliations of Non-GAAP Financial Measures

The calculations of cash cost after co-product credits per gold equivalent ounce and all-in sustaining cost after co-product credits per AuEq ounce are non-GAAP financial measures. The following table reconciles these non-GAAP measures to GAAP measures:

	For the year ended December 31,
	2022			2021
	(in thousands, except per oz)
Gold equivalent ounces sold (oz)		42,757			37,526
Total production	$	80,949		$	72,234
Treatment and refining charges		12,072			11,485
Co-product credits		(73,442	)		(69,061	)
Total cash cost after co-product credits		19,579			14,658
Total cash cost after co-product credits per AuEq oz sold	$	458		$	391
Sustaining - capitalized expenditure		13,305			11,307
Reclamation and remediation		801			219
Subtotal of DDGM sustaining costs		14,106			11,526
DDGM all-in sustaining cost after co-product credits per AuEq oz sold	$	788		$	698
Sustaining - general and administrative, including stock-based compensation expenses		10,003			7,775
Consolidated all-in sustaining cost after co-product credits		43,688			33,959
Total consolidated all-in sustaining cost after co-product credits per AuEq oz sold	$	1,022		$	905
Non-sustaining cost- capital expenditure		1,894			9,303
Non-sustaining cost- exploration expenditure		13,049			4,886
Subtotal of non-sustaining costs		14,943			14,189
Total all-in cost after co-product credits		58,631			48,148
Total all-in cost after co-product credits per AuEq oz sold	$	1,371		$	1,283

2023 Guidance

The Company’s focus continues to be on unlocking the value of the Don David Gold Mine, existing infrastructure, and large property position in Oaxaca, Mexico and therefore we plan to make significant investments for infrastructure and exploration in 2023.

Measure	2023 Guidance
Payable Production	17,000 to 19,000 Gold Ounces 900,000 to 1,000,000 Silver Ounces 30,000 to 31,000 Gold Equivalent Ounces
Cash Costs after co-product credits per gold AuEq ounce ^(1) (2)	$1,000 to $1,050
All-in Sustaining Costs after co-product credits per AuEq ounce ^(1) (2)	$1,250 to $1,350 (DDGM) $1,650 to $1,750 (Consolidated)
Capital Investment	$6 to $7 million
Exploration Commitment	$3 to $4 million Sustaining $6 to $7 million Growth
G & A, excluding Stock-based Compensation	$8.5 million to $9.5 million

(1)	Calculations of cost after co-product credits per gold equivalent ounce and all-in sustaining cost after co-product credits per AuEq ounce are non-GAAP financial measures. See “Reconciliation of Non-GAAP Financial Measures” above.
(2)	Co-product credits directly impact the Cash Costs and All-in Sustaining Costs per AuEq ounce calculation. Guidance is based on approximately 4,200 tonnes of lead sold at an $0.91 per pound metal price, approximately 1,200 tonnes of copper sold at a $3.80 per pound metal prices and 11,200 tonnes of zinc sold at a $1.40 per pound metal price.

Trending Highlights (unaudited)

	2021		2022
	Q3	Q4	Q1	Q2	Q3	Q4	Full Year
Operating Data
Total tonnes milled	98,010	135,398	136,844	129,099	110,682	116,616	493,241
Average Grade
Gold (g/t)	2.68	1.93	3.00	2.63	1.98	2.51	2.56
Silver (g/t)	91	82	81	64	80	109	83
Copper (%)	0.37	0.38	0.41	0.32	0.37	0.45	0.39
Lead (%)	2.29	2.17	1.97	1.99	1.59	1.58	1.80
Zinc (%)	4.79	4.77	4.89	4.00	4.21	4.27	4.36
Metal production (before payable metal deductions)
Gold (ozs.)	6,933	6,853	11,187	9,317	5,851	7,767	34,122
Silver (ozs.)	265,829	330,873	332,292	249,088	261,256	370,768	1,213,404
Copper (tonnes)	284	413	431	303	296	406	1,436
Lead (tonnes)	1,808	2,345	2,073	2,020	1,249	1,323	6,665
Zinc (tonnes)	3,920	5,349	5,562	4,282	3,901	4,198	17,943
Metal produced and sold
Gold (ozs.)	5,809	6,119	8,381	8,746	5,478	7,514	30,119
Silver (ozs.)	255,394	287,805	265,407	231,622	225,012	335,168	1,057,209
Copper (tonnes)	268	405	408	286	282	372	1,348
Lead (tonnes)	1,550	2,059	1,639	1,755	1,056	941	5,391
Zinc (tonnes)	3,059	4,167	4,359	3,590	2,943	3,265	14,157
Average metal prices realized
Gold ($ per oz.)	1,762	1,811	$ 1,898	$ 1,874	$ 1,627	$ 1,734	1,801
Silver ($ per oz.)	23.19	23.51	$ 23.94	$ 22.05	$ 18.54	$ 21.25	21.53
Copper ($ per tonne)	9,092	9,768	$ 10,144	$ 9,275	$ 7,115	$ 8,221	8,795
Lead ($ per tonne)	2,397	2,339	$ 2,347	$ 2,168	$ 1,882	$ 1,954	2,129
Zinc ($ per tonne)	3,032	3,466	$ 3,842	$ 4,338	$ 3,186	$ 2,577	3,539
Precious metal gold equivalent ounces sold
Gold Ounces	5,809	6,119	8,381	8,746	5,478	7,514	30,119
Gold Equivalent Ounces from Silver	3,356	3,736	3,348	2,729	2,564	4,107	12,638
Total AuEq oz	9,165	9,855	11,729	11,475	8,042	11,621	42,757
Financial Data ($’s in thousands except for per ounce)
Total sales, net	$ 29,029	$ 38,063	$ 45,417	$ 37,064	$ 23,869	$ 32,374	$ 138,724
Earnings from mining operations before depreciation and amortization	11,766	17,744	25,281	15,281	4,431	11,981	56,974
Total cash cost after co-product credits per AuEq oz sold	466	73	(121)	247	1,103	842	458
Total all-in sustaining cost after co-product credits per AuEq oz sold	1,031	451	499	799	1,831	1,226	1,022
Production Costs	17,216	20,252	20,074	21,722	19,380	19,773	80,949
Production Costs/Tonnes Milled	176	150	147	168	175	170	164
Earnings before interest, taxes, depreciation, depletion, and amortization	7,402	10,304	15,328	13,716	(3,338)	3,758	29,464
Operating Cash Flows	5,743	12,911	4,230	7,976	(4,292)	6,242	14,156
Net income (loss)	1,529	2,689	4,019	2,673	(9,730)	(3,283)	(6,321)
Earnings per share – basic	$ 0.02	$ 0.03	$ 0.05	$ 0.03	($ 0.11)	($ 0.04)	($ 0.07)

Year-End 2022 Conference Call

The Company will host a conference call Friday, March 3, 2023, at 10:00 a.m. Eastern Time. Our 2022 Form 10-K will be filed at a future date, no later than March 15, 2023, once our External Audit Firm, BDO USA, LLP, completes their audit procedures.

The conference call will be recorded and posted to the Company’s website later in the day following the conclusion of the call. Following prepared remarks, Allen Palmiere, President and Chief Executive Officer, Kim Perry, Chief Financial Officer and Alberto Reyes, Chief Operating Officer will host a live question and answer (Q&A) session. There are two ways to join the conference call.

To join the conference via webcast, please click on the following link: 
https://viavid.webcasts.com/starthere.jsp?ei=1594268&tp_key=1f4ada6e2c

To join the call via telephone, please use the following dial-in details:

Participant Toll Free:	[phone]
International:	[phone]
Conference ID:	38298670

Please connect to the conference call at least 10 minutes prior to the start time using one of the connection options listed above.

About GRC:

Gold Resource Corporation is a gold and silver producer, developer, and explorer with its operations centered on the Don David Gold Mine in Oaxaca, Mexico. Under the direction of an experienced board and senior leadership team, the company’s focus is to unlock the significant upside potential of its existing infrastructure and large land position surrounding the mine in Oaxaca, Mexico and to develop the Back Forty Project in Michigan, USA. For more information, please visit GRC’s website, located at www.goldresourcecorp.com and read the company’s Form 10-K for an understanding of the risk factors associated with its business.

Forward-Looking Statements:

This press release contains forward-looking statements that involve risks and uncertainties. The statements contained in this press release that are not purely historical are forward-looking statements within the meaning of Section 27A of the Securities Act and Section 21E of the Exchange Act. When used in this press release, the words “plan”, “target”, “anticipate,” “believe,” “estimate,” “intend” and “expect” and similar expressions are intended to identify such forward- looking statements. Such forward-looking statements include, without limitation, our ability to add to our mineral resource estimate at DDGM in the near- or mid-term; scope and timing of work at the Back Forty Project; and guidance for 2023, including payable production, cash costs after co-product credits, all-in sustaining costs, capital investment, exploration spending, and G&A spending. All forward- looking statements in this press release are based upon information available to Gold Resource Corporation on the date of this press release, and the Company assumes no obligation to update any such forward-looking statements. Forward looking statements involve a number of risks and uncertainties, and there can be no assurance that such statements will prove to be accurate. The Company's actual results could differ materially from those discussed in this press release. Also, there can be no assurance that production will continue at any specific rate. Factors that could cause or contribute to such differences include, but are not limited to, those discussed in the Company’s filings with the SEC. Additional factors that could cause or contribute to such differences include, but are not limited to, volatility in commodity prices; changes in interpretations of geological, metallurgical, mining or processing information; interpretations of the information resulting from exploration, analysis or mining and processing experience; unexpected increases in costs; general economic conditions; and other factors discussed in the periodic and current reports filed by the Company with the Securities and Exchange Commission, including the Company’s Annual Report on Form 10-K for the year ended December 31, 2021.