Quarterly Reporting Document

MINE STATISTICS

ON A QUARTERLY BASIS

			ITY					KARMA					HOUNDÉ			MANA			BOUNGOU			SABODALA-	WAHGNION
																	MASSAWA
(on a 100% basis)		Q3-21	Q2-21			Q3-20	Q3-21	Q2-21		Q3-20	Q3-21	Q2-21		Q3-20	Q3-21	Q2-21	Q3-20	Q3-21	Q2-21			Q3-20	Q3-21	Q2-21	Q3-21	Q2-21
Physicals
Total tonnes mined - OP1
000t	5,576	5,934		6,322	4,972		6,212	4,392	11,966	11,717		9,933	5,114	7,187	6,416	7,126	8,346		294	11,515	10,798	6,154	7,615
Total ore tonnes - OP	000t	1,690	1,877		2,352	1,393		1,253	1,011	596		1,399		1,231	592	549	465	539	350		124	1,717	2,111	917	1,187
OP strip ratio1 (total)	W:t ore	2.30	2.16		1.69	2.57		3.96	3.35	19.07		7.38		7.07	7.64	12.09	12.80	12.22	22.82		1.38	5.71	4.11	5.71	5.42
Total ore tonnes - UG	000t	-	-		-	-		-		-	-		-	-	199	214	197	-	-		-	-	-	-	-
Total tonnes milled	000t		1,544		1,307			1,267	1,192			1,108		1,010		670	593		336		308		1,067		1,016
1,530		1,264		1,142			667	349		1,079	809
Average gold grade milled	g/t	1.50	1.96		1.34	0.70		0.91	0.76	2.11		2.47		2.06	2.50	2.49	3.43	3.76	3.84		3.15	3.32	3.20	1.40	1.31
Recovery rate	%	83%	81%		81%	64%		68%	72%	92%		92%		92%	91%	92%	95%	95%	93%		94%	90%	89%	93%	95%
Gold ounces produced	oz	61,494	79,487		44,470	20,567		25,057	22,389	70,209	79,632		62,038	49,101	49,167	59,678	40,844	38,802		30,226	105,913	95,856	34,145	40,991
Gold sold	oz	63,403	83,377		47,478	20,693		25,615	23,324	75,381	76,827		62,273	48,762	49,769	67,806	41,286	37,974		35,411	107,547	99,467	35,360	47,732
Unit Cost Analysis

Mining costs - OP	$/t mined	3.92	3.87	3.81	2.28	2.20	2.15	2.16	2.27	2.74	4.55	3.41	3.67	2.25	2.44	4.93	2.31	2.93	3.06	2.81
Mining costs - UG	$/t mined	-	-	-	-	-	-	-	-	-	70.20	72.40	47.10	-	-	-	-	-	-	-
Processing and maintenance	$/t milled	13.40	14.90	11.27	6.98	6.29	7.43	13.97	14.31	13.11	18.10	17.53	21.54	30.80	32.35	35.14	11.48	11.61	12.19	9.67
Site G&A	$/t milled	4.08	3.73	3.23	2.26	2.31	2.11	5.19	5.84	6.59	5.30	6.01	6.61	12.68	10.53	15.26	7.40	6.04	6.81	5.39
Cash Cost Details
Mining costs - OP1	$000s	21,867	22,984	24,111	11,325	13,682	9,448	25,848	26,613	27,230	23,277	24,472	23,568	16,015	20,377	1,449	26,641	31,649	18,823	21,412
Mining costs - UG	$000s	-	-	-	-	-	-	-	-	-	16,904	21,431	14,743	-	-	-	-	-	-	-
Processing and maintenance	$000s	20,506	22,998	14,724	8,826	7,965	8,860	15,949	15,849	13,239	12,075	11,745	12,773	10,747	10,870	10,824	12,388	12,389	9,865	9,824
Site G&A	$000s	6,250	5,764	4,228	2,860	2,926	2,518	5,927	6,465	6,656	3,534	4,024	3,922	4,426	3,537	4,701	7,987	6,441	5,515	5,474
Capitalized waste	$000s	(2,707)	(5,082)	(3,538)	0	0	(1,681)	(16,484)	(6,459)	(10,406)	(11,649)	(19,596)	(12,855)	(5,224)	(10,979)	-	(4,306)	(1,590)	(3,561)	(1,727)
Inventory adj. and other	$000s	409	5,092	(10,194)	(121)	(1,288)	932	7,918	(912)	633	(1,821)	(1,601)	6,088	(715)	(850)	5,032	(338)	(4,335)	(49)	3,304
Royalties	$000s	6,171	8,311	5,239	3,136	3,853	3,410	8,390	6,803	9,516	5,745	4,867	7,754	4,365	4,147	4,106	10,541	9,913	4,162	6,015
Total cash costs for ounces sold	$000s	52,496	60,067	34,570	26,026	27,138	23,487	47,548	48,359	46,868	48,065	45,343	55,993	29,613	27,103	26,112	52,913	54,467	34,755	44,302
Sustaining capital	$000s	5,526	7,102	2,249	17	258	1,535	21,858	8,602	6,999	2,130	5,215	4,781	3,403	8,955	505	17,519	8,923	4,052	2,454
Total cash cost	$/oz	828	720	728	1,258	1,059	1,007	631	629	753	986	911	826	717	714	737	492	548	983	928
Mine-level AISC	$/oz	915	806	775	1,259	1,070	1,073	921	741	865	1,029	1,016	896	800	950	752	655	637	1,097	980

1) Includes waste capitalized.

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ON A YEAR TO DATE (NINE MONTH) BASIS

				ITY	KARMA	HOUNDÉ	MANA		BOUNGOU	SABODALA-		WAHGNION
					MASSAWA
	(on a 100% basis)		YTD-21		YTD-20	YTD-21	YTD-20	YTD-21	YTD-20	YTD-21		YTD-20	YTD-21	YTD-20	YTD-212		YTD-212
	Physicals
	Total tonnes mined - OP1	000t	18,326		16,923	16,330	14,146	37,620	32,754	20,834		6,416	22,144	294	28,144		18,220
	Total ore tonnes - OP	000t	5,672		5,911	3,889	3,528	3,620	3,204	1,496		465	1,136	124	4,884		2,753
	Open pit strip ratio1 (total)	W:t ore	2.23		1.86	3.20	3.01	9.39	9.22	12.93		12.80	18.50	1.38	4.76		5.62
	Total ore tonnes - UG	000t	-		-	-	-	-	-	658		197	-	-	-		-
	Total tonnes milled	000t	4,624		3,897	3,911	3,544	3,396	3,111	1,942		593	1,000	308	2,696		2,363
	Average gold grade milled	g/t	1.74		1.52	0.77	0.86	2.15	1.91	2.62		3.43	4.34	3.15	3.11		1.35
	Recovery rate	%	81%		81%	66%	79%	92%	92%	91%		95%	95%	94%	90%		94%
	Gold ounces produced	oz	211,863		152,265	67,197	70,284	215,895	175,342	150,667		59,678	139,393	30,226	240,717		99,795
	Gold sold	oz	221,263		157,138	68,704	71,454	219,239	176,375	159,085		67,806	137,119	35,411	258,563		112,738
	Unit Cost Analysis
	Mining costs - Open pit	$/t mined	3.83		3.15	2.18	2.31	2.04	2.36	3.47		3.67	47.05	4.93	2.67		2.75
	Mining costs - UG	$/t mined	-		-	-	-	-	-	68.50		47.10	-	-	-		-
	Processing and maintenance	$/t milled	13.50		11.73	6.35	6.72	13.68	13.29	18.58		21.54	32.67	35.14	11.69		10.47
	Site G&A	$/t milled	3.63		3.09	2.08	2.25	5.24	4.76	5.45		6.61	11.81	15.26	6.53		6.02
	Cash Cost Details
	Mining costs - Open pit1	$000s	70,116		53,271	35,592	32,613	76,834	77,393	72,243		23,568	53,431	1,449	75,279		50,179
	Mining costs -Underground	$000s	-		-	-	-	-	-	59,243		14,743	-	-	-		-
	Processing and maintenance	$000s	62,404		45,698	24,834	23,821	46,470	41,357	36,082		12,773	32,678	10,824	31,520		24,748
	Site G&A	$000s	16,767		12,045	8,153	7,988	17,791	14,797	10,587		3,922	11,811	4,701	17,591		14,221
	Capitalized waste	$000s	(11,287)		(9,758)	-	(4,007)	(25,958)	(32,034)	(51,889)		(12,855)	(23,715)	-	(7,859)		(5,574)
	Inventory adjustments and other	$000s	6,165		(6,993)	463	(6,283)	6,072	14,246	3,295		6,088	3,637	5,032	(5,469)		3,867
	Royalties	$000s	21,670		14,455	10,294	9,489	26,205	24,646	18,782		7,754	14,706	4,106	25,395		13,731
	Total cash costs for ounces sold	$000s	165,835		108,718	79,336	63,621	147,414	140,405	148,343		55,993	92,548	26,112	136,457		101,172
	Sustaining capital	$000s	17,866		5,625	499	4,202	35,162	29,890	10,150		4,781	16,468	505	35,965		7,501
	Total cash cost	$/oz	749		692	1,155	890	672	796	932		826	675	737	528		897
	Mine-level AISC	$/oz	830		728	1,162	949	833	966	996		896	795	752	667		964

1) Includes waste capitalized. 2)For the post acquisition period commencing February 10, 2021.

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QUALIFIED PERSONS

Clinton Bennett, Endeavour's VP Metallurgy and Process Improvement - a Fellow of the Australasian Institute of Mining and Metallurgy, is a "Qualified Person" as defined by National Instrument 43-101 - Standards of Disclosure for Mineral Projects ("NI 43-101") and has reviewed and approved the technical information in this document.

NON-GAAP MEASURES

Some of the indicators used by Endeavour in this press release represent non-IFRS financial measures, including "all-in margin", "all-in sustaining cost", "net debt", "EBITDA", "adjusted EBITDA", "net debt to adjusted EBITDA ratio", "cash flow from continuing operations", "total cash cost per ounce", "sustaining and non-sustaining capital", "net earnings", "adjusted net earnings", "operating cash flow per share", and "return on capital employed". These measures are presented as they can provide useful information to assist investors with their evaluation of the pro forma performance. Since the non-IFRS performance measures listed herein do not have any standardized definition prescribed by IFRS, they may not be comparable to similar measures presented by other companies. Accordingly, they are intended to provide additional information and should not be considered in isolation or as a substitute for measures of performance prepared in accordance with IFRS. Please refer to the non-GAAP measures section of the Company's most recently filed management discussion and Analysis for a reconciliation of the non-IFRS financial measures used in this press release.

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