Endeavour Mining : Quarterly Reporting Document

MINE STATISTICS

ON A QUARTERLY BASIS

			ITY			HOUNDÉ			MANA			BOUNGOU		SABODALA-MASSAWA		WAHGNION
(on a 100% basis)		Q3-2022	Q2-2022	Q3-2021	Q3-2022	Q2-2022	Q3-2021	Q3-2022	Q2-2022	Q3-2021	Q3-2022	Q2-2022	Q3-2021	Q3-2022	Q2-2022	Q3-2021	Q3-2022	Q2-2022	Q3-2021
Physicals
Total tonnes mined - OP1	000t	4,925	6,027	5,576	9,178	10,725	11,966	76	837	5,114	3,559	5,115	7,126	11,761	12,777	11,515	8,249	9,437	6,154
Total ore tonnes - OP	000t	1,180	1,668	1,690	1,174	1,330	596	76	376	592	210	272	539	1,297	1,717	1,717	841	805	917
OP strip ratio1 (total)	W:t ore	3.17	2.61	2.30	6.82	7.06	19.07	0.00	1.23	7.64	15.95	17.81	12.22	8.07	6.44	5.71	8.81	10.72	5.71
Total ore tonnes - UG	000t	-	-	-	-	-	-	250	196	199	-	-	-	-	-	-	-	-
Total tonnes milled	000t	1,375	1,597	1,530	1,234	1,217	1,142	691	652	667	338	366	349	1,034	1,048	1,079	939	997	809
Average gold grade milled	g/t	2.04	1.77	1.50	1.83	2.42	2.11	1.90	2.83	2.50	2.84	2.47	3.76	2.84	2.38	3.32	1.13	0.90	1.40
Recovery rate	%	87%	86%	83%	92%	94%	92%	92%	90%	91%	94%	93%	95%	88%	89%	90%	92%	92%	93%
Gold ounces produced	oz	80,897	76,871	61,494	72,302	87,008	70,209	41,667	54,768	49,101	29,275	27,005	40,844	86,293	72,904	105,913	32,309	26,548	34,145
Gold sold	oz	78,387	75,753	63,403	75,248	85,979	75,381	41,453	54,232	48,762	30,199	27,305	41,286	81,988	73,523	107,547	30,779	26,896	35,360
Unit Cost Analysis
Mining costs - OP	$/t mined	4.75	4.60	3.92	3.21	2.83	2.16	7.89	9.68	4.55	3.96	3.52	2.25	2.25	2.13	2.31	3.14	2.95	3.06
Mining costs - UG	$/t mined	-	-	-	-	-	-	70.60	58.45	70.20	-	-	-	-	-	-	-	-	-
Processing and maintenance	$/t milled	15.35	15.59	13.40	11.35	11.75	13.97	19.54	20.55	18.10	34.32	28.42	30.79	15.77	15.74	11.48	12.56	10.23	12.19
Site G&A	$/t milled	4.87	4.70	4.08	5.67	5.92	5.19	7.24	8.59	5.30	17.16	12.30	12.68	8.22	8.01	7.40	4.90	5.01	6.81
Cash Cost Details
Mining costs - OP1	$000s	23,400	27,700	21,900	29,500	30,300	25,800	600	8,100	23,300	14,100	18,000	16,000	26,500	27,200	26,600	25,900	27,800	(18,800)
Mining costs - UG	$000s	-	-	-	-	-	0	25,700	20,400	16,900	-	-	0	-	-	0	-	-	0
Processing and maintenance	$000s	21,100	24,900	20,500	14,000	14,300	15,900	13,500	13,400	12,100	11,600	10,400	10,700	16,300	16,500	12,400	11,800	10,200	9,900
Site G&A	$000s	6,700	7,500	6,300	7,000	7,200	5,900	5,000	5,600	3,500	5,800	4,500	4,400	8,500	8,400	8,000	4,600	5,000	5,500
Capitalized waste	$000s	(2,400)	(1,500)	(2,700)	(17,900)	(5,000)	(16,500)	(12,800)	(10,100)	(11,600)	(3,400)	(8,400)	(5,200)	(10,100)	(6,600)	(4,300)	(3,700)	(8,400)	(3,600)
Inventory adj. and other	$000s	1,500	(4,700)	400	6,000	2,200	7,900	6,100	4,200	(1,800)	4,300	(400)	(700)	5,700	(3,700)	(300)	3,100	(100)	0
Royalties	$000s	7,800	7,000	6,200	8,900	11,100	8,400	4,300	6,100	5,700	3,000	3,100	4,400	7,600	7,400	10,500	3,700	3,400	4,200
Total cash costs for ounces sold	$000s	58,100	60,900	52,500	47,500	60,100	47,500	42,400	47,700	48,100	35,400	27,200	29,600	54,500	49,200	52,900	45,400	37,900	34,800
Sustaining capital	$000s	2,500	6,900	5,500	6,400	9,300	21,900	3,100	1,400	2,100	1,377	1,800	3,400	9,400	8,100	17,500	5,300	10,200	4,100
Total cash cost	$/oz	741	804	828	631	699	631	1,023	880	986	1,172	996	717	665	669	492	1,475	1,409	983
Mine-level AISC	$/oz	773	895	915	716	807	921	1,098	905	1,029	1,219	1,062	800	779	779	655	1,647	1,788	1,097

1) Includes waste capitalized.

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ON A YEAR TO DATE BASIS

(on a 100% basis)		ITY	KARMA	HOUNDÉ	MANA	BOUNGOU	SABODALA-MASSAWA	WAHGNION
	YTD-2022	YTD-2021	YTD-2022	YTD-2021	YTD-2022	YTD-2021	YTD-2022	YTD-2021	YTD-2022	YTD-2021	YTD-2022	YTD-2021	YTD-2022	YTD-2021
Physicals
Total tonnes mined - OP1	000t	17,902	18,326	3,747	16,330	32,589	37,620	2,557	20,834	15,008	22,145	36,614	28,144	27,859	18,220
Total ore tonnes - OP	000t	5,382	5,672	709	3,889	3,842	3,620	922	1,496	734	1,136	4,722	4,884	2,746	2,753
Open pit strip ratio1 (total)	W:t ore	2.33	2.23	4.28	3.20	7.48	9.39	1.77	12.93	19.45	18.50	6.75	4.76	9.15	5.62
Total ore tonnes - UG	000t	-	-	-	-	-	-	645	658	-	-	-	-	-	-
Total tonnes milled	000t	4,641	4,624	768	3,911	3,684	3,396	1,964	1,942	1,053	1,000	3,136	2,696	2,910	2,363
Average gold grade milled	g/t	1.82	1.74	0.57	0.77	2.06	2.15	2.54	2.62	2.78	4.34	2.78	3.11	1.00	1.35
Recovery rate	%	84%	81%	67%	66%	93%	92%	91%	91%	94%	95%	89%	90%	92%	94%
Gold ounces produced	oz	230,169	211,863	10,246	67,197	232,375	215,895	149,002	150,667	90,121	139,393	255,523	240,717	87,746	99,795
Gold sold	oz	226,810	221,263	10,107	68,704	233,723	219,239	149,880	159,085	93,342	137,119	249,509	258,563	87,572	112,738
Unit Cost Analysis
Mining costs - Open pit	$/t mined	4.25	3.83	2.03	2.18	2.71	2.04	7.16	3.47	3.26	2.41	2.22	2.67	2.89	2.75
Mining costs - UG	$/t mined	-	-	-	-	-	-	63.45	68.50	-	-	-	-	-	-
Processing and maintenance	$/t milled	14.52	13.50	6.12	6.35	11.35	13.68	20.06	18.58	31.05	32.68	14.52	11.69	11.20	10.47
Site G&A	$/t milled	4.52	3.63	2.73	2.08	5.32	5.24	8.11	5.45	14.34	11.81	8.42	6.53	5.20	6.02
Cash Cost Details
Mining costs - Open pit1	$000s	76,100	70,100	7,600	35,600	88,200	76,800	18,300	72,200	49,000	53,400	81,500	75,300	80,600	50,200
Mining costs -Underground	$000s	-	-	-	-	-	-	67,400	59,200	-	-	-	-	-	-
Processing and maintenance	$000s	67,400	62,400	4,700	24,800	41,800	46,500	39,400	36,100	32,700	32,700	45,500	31,500	32,600	24,700
Site G&A	$000s	21,000	16,800	2,100	8,200	19,600	17,800	15,900	10,600	15,100	11,800	26,400	17,600	15,100	14,200
Capitalized waste	$000s	(5,100)	(11,300)	-	-	(26,400)	(26,000)	(31,400)	(51,900)	(21,200)	(23,700)	(24,400)	(7,900)	(16,300)	(5,600)
Inventory adjustments and other	$000s	(11,700)	6,200	(900)	500	5,700	6,100	15,400	3,300	7,300	3,600	(8,100)	(5,500)	(5,800)	3,900
Royalties	$000s	22,700	21,700	1,700	10,300	29,200	26,200	16,500	18,800	10,100	14,700	24,900	25,400	11,000	13,700
Total cash costs for ounces sold	$000s	170,400	165,800	15,200	79,300	158,100	147,400	141,500	148,300	93,000	92,500	145,800	136,500	117,200	101,200
Sustaining capital	$000s	10,900	17,900	-	500	21,100	35,200	7,300	10,200	5,100	16,500	29,700	36,000	22,000	7,500
Total cash cost	$/oz	751	749	1,504	1,155	676	672	944	932	996	675	584	528	1,338	897
Mine-level AISC	$/oz	799	830	1,504	1,162	767	833	993	996	1,051	795	703	667	1,590	964

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

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QUALIFIED PERSONS

Mark Morcombe, COO of Endeavour Mining PLC., 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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