Pierre River Mine Project

PIERRE RIVER MINE
SUPPLEMENTAL INFORMATION
PART 1: OVERVIEW
Volume 1, Section 2, Geology
ERRATA
Errata Section 2.3, page 2-17, Tables 2-2 and 2-3
SUPPLEMENTAL INFORMATION ERRATA
Section 2.3
The information provided in the May 2009 Pierre River Mine, Supplemental
Information, Volume 1, Tables 2-2 and 2-3 was incorrect.
Correction The correct information is shown here in Table ERCB 8-2. The information has
been updated according to the updated block modelled geological data and
revised pit shell design that were used to compile the Project Update. This
information is also provided in the response to ERCB SIR 8a.
Resource
Category
Total in situ
resource
Oil sand at >7%
bitumen grade
and minimum 3 m
thickness
Oil sand at
TV/BIP < 12
Table ERCB 8-2: Lease 9 Resource Summary (2009 Data)
Volume
of Oil
Sand
(Mm 3 )
Lease 9 Area Lease 9 Pit Area
Grade
(wt %)
Bitumen
(Mm³)
Bitumen
(Mbbl)
Volume
of Oil
Sand
(Mm³)
Grade
(wt%)
Bitumen
(Mm³)
Bitumen
(Mbbl)
2,169 7.15 321 2,017 1,334 9.11 253 1,591
1,242 11.32 290 1,827 1,011 11.43 239 1,502
940 11.63 226 1,421 859 11.60 206 1,294
Volume 1, Section 10, Mining and Processing SIRs
Errata Section 10.1, page 10-49, Table 136-2
The flux and total expected flow data presented in the May 2009 Pierre River
Mine, Supplemental Information, Volume 1, Table 136-2 were incorrect. The
flux and total expected flow rows of data were transposed.
Correction The correct information is shown here in Table ERCB 4-1. This information is
also provided in the response to ERCB SIR 4a.
April 2010 Shell Canada Limited 2-9
CR029