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Papua New Guinea

Gold mineral resources

	Measured				Indicated				Inferred				Total
Operations	Tonnes (Mt)	g/t	Gold (000kg)	Gold (000oz)	Tonnes (Mt)	g/t	Gold (000kg)	Gold (000oz)	Tonnes (Mt)	g/t	Gold (000kg)	Gold (000oz)	Tonnes (Mt)	g/t	Gold (000kg)	Gold (000oz)
Hidden Valley & Kaveroi	2.8	2.16	6	195	23.1	1.89	44	1 409	14.8	1.53	23	730	40.7	1.78	73	2 334
Hamata	0.2	2.20	-	12	3.9	2.34	9	291	0.6	2.58	2	50	4.7	2.37	11	353
Wafi	-	-	-	-	31.9	1.97	63	2 017	19.8	1.73	34	1 099	51.7	1.88	97	3 116
Golpu	-	-	-	-	43.8	0.63	28	887	37.7	0.49	18	595	81.5	0.57	46	1 482
Nambonga	-	-	-	-	-	-	-	-	19.9	0.79	16	505	19.9	0.79	16	505
GRAND TOTAL	3.0	2.16	6	207	102.7	1.40	144	4 604	92.8	1.00	93	2 979	198.5	1.22	243	7 790

Modifying factors

Operations	MCF (%)	PRF (%)
Hidden Valley & Kaveroi	95	93
Hamata	95	93
Golpu	100	56

• MCF = Mine call factor
• PRF = Plant recovery factor

Gold ore reserves

	Proven				Probable				Total
Operations	Tonnes (Mt)	g/t	Gold (000kg)	Gold (000oz)	Tonnes (Mt)	g/t	Gold (000kg)	Gold (000oz)	Tonnes (Mt)	g/t	Gold (000kg)	Gold (000oz)
Hidden Valley & Kaveroi	1.4	2.34	3	105	17.6	1.99	35	1 126	19.0	2.02	38	1 231
Hamata	0.1	2.05	0	7	1.9	2.69	5	164	2.0	2.66	5	171
Golpu	-	-	-	-	35.4	0.61	22	694	35.4	0.61	22	694
GRAND TOTAL	1.5	2.32	3	112	54.9	1.12	62	1 984	56.4	1.16	65	2 096

Silver mineral resources

	Measured				Indicated				Inferred				Total
	Tonnes		Silver	Silver	Tonnes		Silver	Silver	Tonnes		Silver	Silver	Tonnes		Silver	Silver
Operations	(Mt)	g/t	(000kg)	(000oz)	(Mt)	g/t	(000kg)	(000oz)	(Mt)	g/t	(000kg)	(000oz)	(Mt)	g/t	(000kg)	(000oz)
Hidden Valley & Kaveroi	2.8	40.52	114	3 668	23.1	33.95	785	25 246	14.8	27.38	406	13 054	40.7	32.01	1 305	41 968
GRAND TOTAL	2.8	40.52	114	3 668	23.1	33.95	785	25 246	14.8	27.38	406	13 054	40.7	32.01	1 305	41 968

Modifying factors

Operations	MCF (%)	PRF (%)
Hidden Valley & Kaveroi	95	81

• MCF = Mine call factor
• PRF = Plant recovery factor

Silver ore reserves

	Proven				Probable				Total
	Tonnes		Silver	Silver	Tonnes		Silver	Gold	Tonnes		Silver	Silver
Operations	(Mt)	g/t	(000kg)	(000oz)	(Mt)	g/t	(000kg)	(000oz)	(Mt)	g/t	(000kg)	(000oz)
Hidden Valley & Kaveroi	1.4	39.00	55	1 755	17.6	36.70	646	20 767	19.0	36.87	701	22 522
GRAND TOTAL	1.4	39.00	55	1 755	17.6	36.70	646	20 767	19.0	36.87	701	22 522

Copper mineral resources

	Measured				Indicated				Inferred				Total
	Tonnes		Cu	Cu	Tonnes		Cu	Cu	Tonnes		Cu	Cu	Tonnes		Cu	Cu
Operations	(Mt)	%	(M kg)	(M Ibs)	(Mt)	%	(M kg)	(M Ibs)	(Mt)	%	(M kg)	(M Ibs)	(Mt)	%	(M kg)	(M Ibs)
Golpu	-	-	-	-	43.8	1.39	609	1 343	37.7	0.72	272	599	81.5	1.08	881	1 942
Nambonga	-	-	-	-	-	-	-	-	19.9	0.21	42	92	19.9	0.21	42	92
GRAND TOTAL	-	-	-	-	43.8	1.39	609	1 343	57.6	0.54	314	691	101.4	0.91	923	2 034

Modifying factors

Operations	MCF (%)	PRF (%)
Golpu	100	88

• MCF = Mine call factor
• PRF = Plant recovery factor

Copper ore reserves

	Proven				Probable				Total
	Tonnes		Cu	Cu	Tonnes		Cu	Cu	Tonnes		Cu	Cu
Operations	(Mt)	%	(M kg)	(M Ibs)	(Mt)	%	(M kg)	(M Ibs)	(Mt)	%	(M kg)	(M Ibs)
Golpu	-	-	-	-	35.4	1.13	400	882	35.4	1.13	400	882
GRAND TOTAL	-	-	-	-	35.4	1.13	400	882	35.4	1.13	400	882

Molybdenum mineral resources

	Measured				Indicated				Inferred				Total
	Tonnes		Mo	Mo	Tonnes		Mo	Mo	Tonnes		Mo	Mo	Tonnes		Mo	Mo
Operations	(Mt)	ppm	(M kg)	(M Ibs)	(Mt)	ppm	(M kg)	(M Ibs)	(Mt)	ppm	(M kg)	(M Ibs)	(Mt)	ppm	(M kg)	(M Ibs)
Golpu	-	-	-	-	43.8	110.00	5	11	37.7	157.00	6	13	81.5	131.75	11	24
GRAND TOTAL	-	-	-	-	43.8	110.00	5	11	37.7	157.00	6	13	81.5	131.75	11	24

Modifying factors

Operations	MCF (%)	PRF (%)
Golpu	100	36

• MCF = Mine call factor
• PRF = Plant recovery factor

Molybdenum ore reserves

	Proven				Probable				Total
	Tonnes		Mo	Mo	Tonnes		Mo	Mo	Tonnes		Mo	Mo
Operations	(Mt)	ppm	(M kg)	(M Ibs)	(Mt)	ppm	(M kg)	(M Ibs)	(Mt)	ppm	(M kg)	(M Ibs)
Golpu	-	-	-	-	35.4	121.00	4	9	35.4	121.00	4	9
GRAND TOTAL	-	-	-	-	35.4	121.00	4	9	35.4	121.00	4	9