Development results

Development values represent the actual results of sampling and no allowance has been made for any adjustments which may be necessary when estimating ore reserves. All figures below exclude shaft sinking metres, which are reported separately where appropriate.

KDC			December 2010 quarter			September 2010 quarter					Financial period
		Reef	Carbon Leader	Kloof	Main	VCR	Carbon Leader	Kloof	Main	VCR	Carbon Leader	Kloof	Main	Main
Advanced		(m)	4,992	76	1,186	5,722	5,213	123	1,043	5,575	10,205	199	2,229	11,297
Advanced on reef		(m)	901	-	307	849	797	2	278	903	1,698	2	585	1,752
Sampled		(m)	711	-	399	732	663	3	377	774	1,374	3	776	1,506
Channel width		(cm)	74	-	97	141	59	195	69	108	67	195	83	124
Average value	-	(g/t)	24.6	-	5.4	18.7	34.9	11.2	12.8	25.5	28.9	11.2	8.4	21.7
	-	(cm.g/t)	1,813	-	523	2,648	2,048	2,184	878	2,744	1,926	2,184	696	2,696

Beatrix			December 2010 quarter		September 2010 quarter		Financial period
		Reef	Beatrix	Kalkoenkrans	Beatrix	Kalkoenkrans
Advanced		(m)	4,436	1,755	4,779	1,707	9,215	3,462
Advanced on reef		(m)	1,196	426	1,554	296	2,750	722
Sampled		(m)	1,290	411	1,593	285	2,883	696
Channel width		(cm)	101	101	111	92	107	97
Average value	-	(g/t)	8.1	17.5	7.9	15.3	8.0	16.7
	-	(cm.g/t)	815	1,763	881	1,409	852	1,618

South Deep

December 2010 quarter

September 2010 quarter

Financial period

Reef

Elsburgs^1,2

Elsburgs^1,2

Main Advanced

(m)

3,096

2,982

6,078

- Main above 95 level

(m)

1,987

1,774

3,761

- Main below 95 level

(m)

1,103

1,181

2,284

- Shaft sinking

(m)

Advanced on reef

(m)

1,909

1,664

3,573

- Square metres effectively de-stressed

(m²)

1,317

1,827

3,144

- Reserve value de-stressed

(g/t)

7.0

7.4

7.2

1) Trackless development in the Elsburg reefs is evaluated by means of the resource model.
2) Full channel width not fully exposed in development, hence not reported.