Appendix I - Acid Base Test Results Summary and Mitigation Plan for Waste Rock

Piedmont Lithium Carolinas, Inc. I North Carolina Mining Permit Application
Appendices
PIEDMONT
LITHIUM
Appendix I: Acid Base Account and
Toxicity Characteristics Leaching
Procedure Test Results Summary,
and Proposed Mitigation Plan
Associated with Potentially Acid
Producing Waste Rock in the
Southern Portion of East Pit

HALL LLE
SOCI ES
582 Industrial Park Road, Bluefield, VA 24605-9364 ■ Phone [phone]
www.mmal.com ■ [e-mail]
August 27, 2021
Mr. Patrick Brindle
Mr. Jim Nottingham
Piedmont Lithium Carolinas, Inc.
[e-mail]
[e-mail]
Subject: Acid Base Account (ABA) and Toxicity Characteristic Leaching Procedure (TCLP) Test
Results Summary, and Proposed Mitigation Plan Associated with Potentially Acid
Producing Waste Rock in the Southern Portion of East Pit
Patrick and Jim:
Acid Base Accounting (ABA) analysis of 36 samples taken from three borings (20-BD-363, 20-BD-350,
and 21-BD-408) in the southern portion of the East Pit of the proposed Piedmont Lithium Carolinas,
Inc. (Piedmont) Mine #1 indicate that some of the samples contain sulfide concentrations high enough
to potentially produce Acid Rock Drainage (ARD) upon mining. Previous (2019) ABA sampling and
analysis results did not indicate any potential ARD. A change in the host rock around the pegmatite
bands, from amphibolite to schist/mudstone/amphibolite, is believed to be the cause for the potential
ARD. Figure 1 is a summary map showing the locations of the 2019 ABA test holes and the 2020-2021
ABA test holes. The holes discussed in this memo (20-BD-363, 20-BD-350, and 21-BD-408) are located
in the southeastern portion of the East Pit (blue).
The subject area (southeastern portion of East Pit) is estimated to include approximately 34 million
tonnes of waste rock, including —25% overburden and saprolite, —19% mudstone, —13% amphibolite,
and —43% schist. The schist, and to a lesser degree the mudstone, display the greatest potential to
generate ARD if not properly managed. In particular, most of the schist samples exhibit significant
sulfidic sulfur and very little neutralization potential (NP). The overburden and saprolite samples
appear to be thoroughly leached and are expected to be essentially inert. It is evident that metals
commonly associated with ARD are present and it is possible they will mobilize if acidic conditions are
generated.
This document summarizes the results of testing completed in the subject area and includes a proposed
mitigation plan.
ENERGY & MINERAL RESOURCES ■ HYDROGEOLOGY & GEOLOGY ■ GEOPHYSICAL LOGGING SERVICES
CARBON MANAGEMENT ■ EXPERT WITNESS TESTIMONY ■ MINING ENGINEERING ■ PETROLEUM ENGINEERING

Piedmont Lithium Carolinas, Inc.
August 27, 2021
Page 2
SHALL LLE
SOLI ES
Figure 1: Sampling and Analysis Summary Map (Blue Holes = 2020-2021 Test Holes)
•
NORTH PIT
18-BD-177
•
17-BD-65A
•
18-8D-131
'l'"
WEST PIT •
• 18-BD-14D
18 � 2i� � - � � i
i
y TOPSOIL.
'STORAGE PILE
18-BD-214`'ll.Y•:fYY'�`.'.,,
• 4- • Z 1&BD-205 JIr
SOUTH PIT J •
`1\
r
1600
ACID BASE ACCOUNT (ABA) RESULTS
EAST PIT '
?0.80.363 r ;
•
\1` � • E �r 1
20-80-, j
jb-K-408
a
ABA testing and analysis is a standard methodology for assessing the potential for mining -related waste
materials to produce acidic drainage. Sample intervals were determined by MM&A and sample
collection was completed by Piedmont geologists. The lab work was completed by SGS Canada Inc.
(SGS) in Lakefield, Ontario, Canada. The results for the ABA tests are summarized in Table 1 and
Attachment A contains the laboratory sheets for the ABA test results. Attachment B contains the
laboratory results sheets for the elemental analyses of the solid material.
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Piedmont Lithium Carolinas, Inc.
August 27, 2021 „O�k"k.,
Page 3 Y: •
In general, samples with an NP/AP ratio less than 1 are most likely to produce acid, samples with a ratio
between 1 and 3 are still a cause for concern, samples with a ratio of just over 3 are a potential concern,
and samples with a ratio significantly over 3 are of low concern. Many of the current samples exhibit
NP/AP ratios that are less than 1.
Similarly, samples with a Sulfide content of less than 0.5% are generally expected to produce little or
no acid and samples with a Sulfide content of greater than 1.5% are expected to produce potentially
significant amounts of acid. Samples with Sulfide contents between 0.5% and 1.5% sulfide have the
potential to produce acid. None of the current samples contain sulfide greater than 1.5%, but many of
the samples contain sulfide in the 0.5 to 1.5% range.
Table 1: Summary of Acid Base Accounting Results (SGS Lab)
Sample
20-BD-350-ABAl
Sample Depth
meters
0.00 6.00
---
OVB
units
5.52
Parameter
t C C0311 000
-3.25 -1.60
0.03
..
<0.04
Sulfide
<0.04
20-BD-350-ABA2
6.00 22.82
SAP
5.74
-1.75
-0.40
0.01
<0.04
< 0.04
20-BD-350-ABA3
35.08 35.58
SCH
9.42
6.6
6.24
0.03
<0.04
< 0.04
20-BD-350-ABA4
39.79 63.87
SCH
8.94
-13.89
0.29
0.94
0.31
0.63
20-BD-350-ABA5
63.87 67.77
SCH
8.30
-14.82
0.61
1.47
0.25
1.22
20-BD-350-ABA6
67.77 100.27
SCH
8.60
-29.55
0.24
1.68
0.44
1.24
20-BD-350-ABA7
102.16 107.51
SCH
9.58
-23.56
0.25
1.32
0.31
1.01
20-BD-350-ABA8
113.59 122.18
SCH
9.68
6.99
1.68
0.40
0.06
0.33
20-BD-350-ABA9
130.58 137.96
AMPH
9.97
6.55
2.8
0.18
0.06
0.12
20-BD-350-ABA10
140.88 148.87
AMPH
9.85
8.86
3.58
0.17
0.06
0.11
20-BD-350-ABAll
151.60 163.11
SCH
9.69
-9.45
0.56
0.83
0.15
0.68
20-BD-350-ABA12
163.11 179.45
AMPH
10.05
-7.18
0.57
0.70
0.16
0.54
20-BD-350-ABA13
188.32 196.12
AMPH
9.91
4.59
1.36
0.40
<0.04
0.41
20-BD-350-ABA14
197.04 209.00
SCH
8.78
-20.65
0.39
1.20
0.12
1.08
20-BD-363-ABA1
0.00 3.00
OVB
5.50
-4.15
-2.32
0.05
0.05
<0.04
20-BD-363-ABA2
3.00 13.50
SAP
5.74
-1.95
-0.56
0.02
<0.04
< 0.04
20-BD-363-ABA3
13.50 45.00
SCH
8.96
8.34
6.34
0.04
<0.04
0.05
20-BD-363-ABA4
45.00 76.36
SCH
9.75
15.0
7.86
0.08
<0.04
0.07
20-BD-363-ABA6
98.72 123.86
MUD
9.72
12.0
4.19
0.17
0.05
0.12
20-BD-363-ABA7
123.86 149.00
MUD
9.95
7.11
4.25
0.14
0.07
0.07
21-BD-408-ABA1
0.00 1.50
OVB
6.71
-1.75
-0.40
0.01
<0.04
< 0.04
21-BD-408-ABA2
1.50 17.70
SAP
6.77
-0.75
0.40
0.01
<0.04
< 0.04
21-BD-408-ABA3
17.70 39.95
SCH
6.48
-31.95
0.12
1.24
0.08
1.16
21-BD-408-ABA4
39.95 42.60
MUD
9.84
25.7
6.88
0.17
1 <0.04
0.14
21-BD-408-ABA5
42.60 49.39
SCH
9.63
3.31
1.23
0.64
0.17
0.47
21-BD-408-ABA6
49.39 55.65
AMPH
9.86
5.64
2.39
0.14
<0.04
0.13
21-BD-408-ABA7
63.75 69.83
SCH
9.50
-20.65
0.21
1.24
0.40
0.84
21-BD-408-ABA8
70.78 82.01
SCH
9.44
-30.90
0.23
1.50
0.22
1.28
21-BD-408-ABA9
82.96 94.45
SCH
9.09
-35.20
0.17
1.59
0.23
1.36
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Piedmont Lithium Carolinas, Inc.
August 27, 2021
Page 4
MSOCINEH=KULLES
21-BD-408-ABA10
L Sample
interval
95.00
Depth
meters
111.49
Matrix
---
SCH/PEG
Paste PH
units
9.21
Net NP
t CO • •••
-18.84
NP/AP
0.39
Total S
1.08
• -
0.09
Sulfide
0.99
21-BD-408-ABA11
120.46
128.91
AMPH
9.78
9.98
2.23
0.24
<0.04
0.26
21-BD-408-ABA12
134.89
148.95
SCH
9.61
-18.30
0.39
1.21
0.25
0.96
21-BD-408-ABA13
148.95
160.08
MUD
9.93
5.94
1.42
0.58
0.13
0.45
21-BD-408-ABA14
176.53
186.88
SCH
9.79
-7.98
0.70
1.01
0.15
0.86
21-BD-408-ABA15
186.88
210.26
MUD
9.97
4.21
1.25
0.54
<0.04
0.55
21-BD-408-ABA16
210.26
218.00
MUD
10.02
4.02
1.34
0.46
0.08
0.38
TOXICITY CHARACTERISTIC LEACHING PROCEDURE (TCLP) RESULTS
Toxicity Characteristic Leaching Procedure (TCLP) testing was completed on samples of the potentially
acidic waste rock from the southeastern portion of the East Pit. TCLP testing is commonly used for
assessing parameter leachability and for classification of waste material as hazardous or non-
hazardous. TCLP test results are compared against toxicity threshold values (Toxicity Characteristic
Limits or TCL) reflected on the Environmental Protection Agency (EPA) "D" list of potentially hazardous
waste elements. Results of TCLP testing for holes in the southeastern portion of the East Pit are
summarized in Table 2.
TCLP results indicate that leachate concentrations of elements for which a TCL is established (including
arsenic and chromium) are all orders of magnitude lower than the respective toxicity threshold values
reflected on the EPA "D" list. For example, the TCLP results for Arsenic in the tested samples indicate
concentrations ranging from <0.002 to 0.01 milligrams per liter (mg/L), compared to the TCL of 5.0
mg/L. Similarly, TCLP results for Chromium indicate a range from 0.0031 to 0.0043 mg/L, compared to
a TCL of 5.0 mg/L.
Table 2: Summary of TCLP Results for Parameters with EPA TCL
Sample Depth
Interval
Mercury
ft)
Results
Arsenic
(As)
for Parameters with Toxicity Characteristic Limits
Silver Barium Cadmium Chromium Lead
(Ag) (Ba) (Cd) (Cr) (Pb)
Selenium
(Se)
Sample
meters
Material
TCL
mg1L
0.2
mg1L
5.0
mg1L mg1L mg1L mg1L mg1L
5.0 100.0 1.0 5.0 5.0
mg1L
1.0
EMEMOMMMM
148.95 - 160.08
EMMEMMMEM
Note: values preceded by "<" indicate less than detection limit (DL)
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Piedmont Lithium Carolinas, Inc.
August 27, 2021
Page 5
MSOCINEH=KULLES
The results also indicate that the schist tends to yield higher concentrations of the featured parameters.
Laboratory sheets associated with the TCLP testing are included in Attachment C.
PROPOSED MITIGATION PLAN
The test results discussed above indicate that the waste rock in the southeastern portion of the East Pit
has potential to create ARD, but TCLP testing suggests that the material is not expected to produce
leachate with concentrations that exceed Toxicity Characteristics Limits defined by the EPA. Due to the
potential acid -producing nature of the material, a multi -component mitigation plan has been
developed. The zone of potential ARD-producing overburden has been defined by drilling and geologic
modeling. As mentioned previously, there are approximately 34 million tonnes of waste rock
associated with the subject area and the schist (-43% of the rock) and the mudstone (-19%) tend to
have the greatest potential to produce ARD. The available geologic data suggests that the schist and
mudstone are interfingered with other units (amphibolite) and it may not be practical to selectively
handle only individual units from the area. If additional data and conditions encountered during mining
allow for practical segregation of material during mining, doing so may reduce the amount of waste
rock requiring ABA mitigation.
The ABA mitigation actions will begin even before the area is mined. The open pit mining for the project
will be sequenced so that the East Pit Extension area is mined only after mining in other select pit areas
has progressed to final depth, creating adequate disposal area in deep pit areas to facilitate burial of
the East Pit Extension area waste rock in positions where it will be located well below the post -mining
groundwater table (no shallower than approximately 100 feet below ground level). When the waste
rock is mined, it will be crushed in the pit and placed on a conveyor to be moved. While the waste rock
is moving on the conveyor, alkaline amendment material will be added to it (via a bin and screw -feed
system) to reduce the potential for commencement of acid generation. The amount of alkaline
amendment mixed with the waste rock will be dependent upon the total Sulfur and sulfide content of
the rock, with consideration of laboratory test results. The alkaline amendment material will likely
consist, at least in part, of limestone with a high calcium concentration (-95% or greater), with the
potential to use tailings material from the Lithium Hydroxide Conversion Plant as part of the mitigation
efforts. ABA testing of the tailings from the conversion plant indicates that the material has a net excess
Calcium Carbonate Equivalent of approximately 315 tons per 1,000 tons of material, which is about
one-third of the Calcium Carbonate Equivalent of high -calcium limestone. The Laboratory sheets
associated with the ABA testing of the tailings from the Lithium Hydroxide Conversion Plant are
included in Attachment D and the results of TCLP testing for the tailings are discussed in Attachment J
of the mine permit. The TCLP results presented in Attachment J indicate that the tailings do not qualify
as toxic hazardous waste since TCLP concentrations did not exceed EPA Toxicity Characteristic Limits.
Movement of the material via the planned use of conveyors facilitates a thoroughly homogenous
mixing of the alkaline material with the potentially acidic waste rock.
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Piedmont Lithium Carolinas, Inc.
August 27, 2021
Page 6
MSOCINEH=KULLES
The amended waste rock will be placed in the deepest portions of mined pits in preparation for eventual
burial and inundation. During placement, the waste rock material may be periodically covered with soil
or clay material to further reduce the potential for initiation of acid production. The waste rock will be
placed in deep portions of pits to an elevation that is well below the expected post -mining water
surface. Placement of potentially acidic waste rock in a sub -aqueous environment reduces the amount
of oxygen available for sulfide oxidation by several orders of magnitude. This mitigation method for
potentially acidic waste rock has been used successfully for decades. The proposed mitigation plan,
which includes selective handling, alkaline amendment addition, at least partial encapsulation, and final
burial in a sub -aqueous environment will greatly reduce any risk associated with excavation of the
potentially acidic waste material.
Sincerely,
MARSHALL MILLER & ASSOCIATES, INC.
IN —
evin M. Andrews, CPG
Vice President/Principal Geologist
Phone [phone]
Email: [e-mail]
/rgw
Attachments: A ABA Results — Waste Rock
B Elemental Analyses —Waste Rock
C TCLP Results —Waste Rock
D ABA Results — Lithium Hydroxide Conversion Plant Tailings
File: ABA Material Handling N
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ATTACHMENT
A
ABA RESULTS -WASTE ROCK

ABA - Modified Sobek
0
SGS Canada Inc.
P.O. Box 4300 - 185 Concession St.
Lakefield - Ontario - KOL 2HO
Phone: [phone] FAX: [phone]
SGS Lakefield Environmental Met
Attn : Barb Bowman
Project: CA20M-00000-110-17234-03
28-May-2021
Date Rec.: 11 May 2021
LR Report: CA14850-MAY21
Reference: 17234-03-01
Copy: #1
CERTIFICATE OF ANALYSIS
Final Report
Sample ID Sample Paste pH Fizz Rate Sample HCI_add HCl NaOH Vol NaOH to Final pH
Date & no unit no unit weight ml- Normality Normality pH=8.3 no unit
Time g mL
1: Analysis Start Date
20-May-21
20-May-21
20-May-21
221681
20-May-21
20-May-21
21-May-21
21-May-21
2: Analysis Start Time
09:30
09:30
09:30
1.9
09:30
09:30
09:30
09:30
3: Analysis Completed Date
21-May-21
21-May-21
21-May-21
21-May-21
21-May-21
21-May-21
21-May-21
21-May-21
4: Analysis Completed Time
15:40
15:40
15:40
15:40
15:40
15:40
15:40
15:40
5:20-BD-350-ABA1
N/A
5.52
1
1.99
20.00
0.10
0.10
20.81
1.04
6:20-BD-350-ABA2
N/A
5.74
1
2.00
20.00
0.10
0.10
20.20
1.24
7:20-BD-350-ABA3
N/A
9.42
1
2.02
20.00
0.10
0.10
16.83
1.40
8:20-BD-350-ABA4
N/A
8.94
1
1.98
20.00
0.10
0.10
17.72
1.31
9:20-BD-350-ABA5
N/A
8.30
2
1.98
26.00
0.10
0.10
16.79
1.88
10:20-BD-350-ABA6
N/A
8.60
1
2.03
20.00
0.10
0.10
16.25
1.36
11:20-BD-350-ABA7
N/A
9.58
1
1.93
20.00
0.10
0.10
16.90
1.32
12:20-BD-350-ABA8
N/A
9.68
1
1.99
20.00
0.10
0.10
13.11
1.67
13:20-BD-350-ABA9
N/A
9.97
1
1.94
20.00
0.10
0.10
16.01
1.44
14:20-BD-350-ABA10
N/A
9.85
1
1.94
20.00
0.10
0.10
15.21
1.71
15:20-BD-350-ABA11
N/A
9.69
2
2.01
20.00
0.10
0.10
15.26
1.75
16:20-BD-350-ABA12
N/A
10.05
2
1.98
20.00
0.10
0.10
16.15
1.26
17:20-BD-350-ABA13
N/A
9.91
2
1.99
20.00
0.10
0.10
13.08
1.73
18:20-BD-350-ABA14
N/A
8.78
1
2.00
20.00
0.10
0.10
14.76
1.46
19:20-BD-363-ABA1
N/A
5.50
1
2.02
20.00
0.10
0.10
21.16
1.21
20:20-BD-363-ABA2
N/A
5.74
1
2.00
20.00
0.10
0.10
20.30
1.18
21:20-BD-363-ABA3
N/A
8.96
1
2.01
20.00
0.10
0.10
16.01
1.28
22:20-BD-363-ABA4
N/A
9.75
2
2.01
20.00
0.10
0.10
13.09
1.41
23:20-BD-363-ABA6
N/A
9.72
2
2.01
20.00
0.10
0.10
13.70
1.36
24:20-BD-363-ABA7
N/A
9.95
2
2.03
20.00
0.10
0.10
16.22
1.30
25:20-BD-408-ABA1
N/A
6.71
1
1.98
20.00
0.10
0.10
20.21
1.08
26:20-BD-408-ABA2
N/A
6.77
1
1.99
20.00
0.10
0.10
19.79
1.13
27:20-BD-408-ABA3
N/A
6.48
1
2.04
20.00
0.10
0.10
18.24
1.56
28:20-BD-408-ABA4
N/A
9.84
2
1.92
40.00
0.10
0.10
28.42
1.70
29:20-BD-408-ABA5
N/A
9.63
1
1.91
20.00
0.10
0.10
13.11
1.46
30:20-BD-408-ABA6
N/A
9.86
1
1.98
20.00
0.10
0.10
16.16
1.30
31:20-BD-408-ABA7
N/A
9.50
1
2.03
20.00
0.10
0.10
17.73
1.25
32:20-BD-408-ABA8
N/A
9.44
1
2.03
20.00
0.10
0.10
16.31
1.40
33:20-BD-408-ABA9
N/A
9.09
1
1.99
20.00
0.10
0.10
17.11
1.29
34:20-BD-408-ABA10
N/A
9.21
1
1.94
20.00
0.10
0.10
15.29
1.35
Page 1 of 3
Data reported represents the sample submitted to SGS. Reproduction of this analytical report in full or in part is prohibited without prior written approval. Please refer to SGS
General Conditions of Services located at https://www.sgs.ca/en/terms-and-conditions (Printed copies are available upon request.)
Test method information available upon request. "Temperature Upon Receipt' is representative of the whole shipment and may not reflect the temperature of individual samples.
SGS Canada Inc. Environment -Health & Safety statement of conformity decision rule does not consider uncertainty when analytical results are compared to a specified standard or
regulation.

ABA - Modified Sobek
SGS Canada Inc. Project: CA20M-00000-110-17234-03
P.O. Box 4300 - 185 Concession St. LR Report : CA14850-MAY21
Lakefield - Ontario - KOL 2HO
Phone: [phone] FAX: [phone]
Sample ID Sample Paste pH Fizz Rate Sample HCI_add HCl NaOH Vol NaOH to Final pH
Date & no unit no unit weight mL Normality Normality pH=8.3 no unit
Time 9 mL
35:20-BD-408-ABA11
N/A
9.78 1
1.89
20.00
0.10
0.10
13.15
1.36
36:20-BD-408-ABA12
N/A
9.61 1
1.96
20.00
0.10
0.10
15.42
1.34
37:20-BD-408-ABA13
N/A
9.93 1
2.03
20.00
0.10
0.10
11.86
1.40
38:20-BD-408-ABA14
N/A
9.79 1
1.96
20.00
0.10
0.10
12.59
1.54
39:20-BD-408-ABA15
N/A
9.97 1
1.98
20.00
0.10
0.10
11.54
1.48
40:20-BD-408-ABA16
N/A
10.02 1
1.96
20.00
0.10
0.10
13.75
1.48
41: QC - Blank
42: QC - STD % Recovery
43: QC - DUP % RPD
44: QC - Spike Rep
Sample ID
NP
AP
Net NP
NP/AP
S
Acid
Sulphide
C
CO3
t CaC0311000 t It CaCO3/1000 t It CaCO3/1000 t
ratio
%
Leachable
%
%
%
SO4-S
1: Analysis Start Date
21-May-21
27-May-21
27-May-21
27-May-21
14-May-21
27-May-21
27-May-21
14-May-21
14-May-21
2: Analysis Start Time
09:30
15:02
15:02
15:02
11:06
12:12
12:12
11:06
08:39
3: Analysis Completed Date
21-May-21
27-May-21
27-May-21
27-May-21
27-May-21
27-May-21
27-May-21
21-May-21
21-May-21
4: Analysis Completed Time
15:40
15:02
15:02
15:02
15:02
15:02
15:02
15:40
15:40
5: 20-BD-350-ABA1
-2.0
1.25
-3.25
-1.60
0.025
<0.04
< 0.04
0.276
< 0.025
6: 20-BD-350-ABA2
-0.5
1.25
-1.75
-0.40
0.014
<0.04
< 0.04
0.031
< 0.025
7: 20-BD-350-ABA3
7.8
1.25
6.55
6.24
0.028
<0.04
< 0.04
0.018
< 0.025
8: 20-BD-350-ABA4
5.8
19.7
-13.89
0.29
0.942
0.31
0.63
0.038
< 0.025
9:20-BD-350-ABA5
23.3
38.1
-14.82
0.61
1.47
0.25
1.22
0.295
0.984
10:20-BD-350-ABA6
9.2
38.8
-29.55
0.24
1.68
0.44
1.24
0.205
0.709
11:20-BD-350-ABA7
8.0
31.6
-23.56
0.25
1.32
0.31
1.01
0.043
0.070
12:20-BD-350-ABA8
17.3
10.3
6.99
1.68
0.395
0.06
0.33
0.120
0.360
13: 20-BD-350-ABA9
10.3
3.75
6.55
2.75
0.183
0.06
0.12
0.015
< 0.025
14:20-BD-350-ABA10
12.3
3.44
8.86
3.58
0.171
0.06
0.11
0.039
0.065
15:20-BD-350-ABA11
11.8
21.2
-9.45
0.56
0.826
0.15
0.68
0.084
0.220
16: 20-BD-350-ABA12
9.7
16.9
-7.18
0.57
0.699
0.16
0.54
0.031
< 0.025
17: 20-BD-350-ABA13
17.4
12.8
4.59
1.36
0.400
< 0.04
0.41
0.057
0.130
18:20-BD-350-ABA14
13.1
33.8
-20.65
0.39
1.20
0.12
1.08
0.134
0.335
19: 20-BD-363-ABA1
-2.9
1.25
4.15
-2.32
0.046
0.05
< 0.04
0.172
< 0.025
20: 20-BD-363-ABA2
-0.7
1.25
-1.95
-0.56
0.021
<0.04
< 0.04
0.038
< 0.025
21: 20-BD-363-ABA3
9.9
1.56
8.34
6.34
0.042
< 0.04
0.05
0.056
0.140
22: 20-BD-363-ABA4
17.2
2.19
15.0
7.86
0.076
< 0.04
0.07
0.132
0.405
23:20-BD-363-ABA6
15.7
3.75
12.0
4.19
0.168
0.05
0.12
0.119
0.390
24: 20-BD-363-ABA7
9.3
2.19
7.11
4.25
0.144
0.07
0.07
0.035
< 0.025
25: 20-BD-408-ABA1
-0.5
1.25
-1.75
-0.40
0.013
<0.04
< 0.04
0.192
0.040
26: 20-BD-408-ABA2
0.5
1.25
-0.75
0.40
0.005
<0.04
< 0.04
0.033
< 0.025
27:20-BD-408-ABA3
4.3
36.2
-31.95
0.12
1.24
0.08
1.16
0.093
0.150
28: 20-BD-408-ABA4
30.1
4.38
25.7
6.88
0.168
< 0.04
0.14
0.080
0.180
29:20-BD-408-ABA5
18.0
14.7
3.31
1.23
0.640
0.17
0.47
0.146
0.390
30: 20-BD-408-ABA6
9.7
4.06
5.64
2.39
0.141
< 0.04
0.13
0.019
< 0.025
31:20-BD-408-ABA7
5.6
26.2
-20.65
0.21
1.24
0.40
0.84
0.032
0.055
32:20-BD-408-ABA8
9.1
40.0
-30.90
0.23
1.50
0.22
1.28
0.143
0.520
33:20-BD-408-ABA9
7.3
42.5
-35.20
0.17
1.59
0.23
1.36
0.069
0.170
34:20-BD-408-ABA10
12.1
30.9
-18.84
0.39
1.08
0.09
0.99
0.120
0.325
35: 20-BD-408-ABA11
18.1
8.12
9.98
2.23
0.238
< 0.04
0.26
0.130
0.360
36:20-BD-408-ABA12
11.7
30.0
-18.30
0.39
1.21
0.25
0.96
0.159
0.485
37:20-BD-408-ABA13
20.0
14.1
5.94
1.42
0.577
0.13
0.45
0.180
0.580
Page 2 of 3
Data reported represents the sample submitted to SGS. Reproduction of this analytical report in full or in part is prohibited without prior written approval. Please refer to SGS
General Conditions of Services located at https://www.sgs.ca/en/terms-and-conditions (Printed copies are available upon request.)
Test method information available upon request. "Temperature Upon Receipt" is representative of the whole shipment and may not reflect the temperature of individual samples.
SGS Canada Inc. Environment -Health & Safety statement of conformity decision rule does not consider uncertainty when analytical results are compared to a specified standard or
regulation.

ABA - Modified Sobek
0
SGS Canada Inc.
P.O. Box 4300 - 185 Concession St.
Lakefield - Ontario - KOL 2HO
Phone: [phone] FAX: [phone]
Project: CA20M-00000-110-17234-03
LR Report: CA14850-MAY21
Sample ID
NP
AP
Net NP
NP/AP
S
Acid
Sulphide
C
CO3
t CaCO3/1000 t
t CaCO3/1000 t
t CaCO3/1000 t
ratio
%
Leachable
%
%
%
SO4-S
38:20-BD-408-ABA14
18.9
26.9
-7.98
0.70
1.01
0.15
0.86
0.197
0.669
39: 20-BD-408-ABA15
21.4
17.2
4.21
1.25
0.542
< 0.04
0.55
0.160
0.480
40:20-BD-408-ABA16
15.9
11.9
4.02
1.34
0.457
0.08
0.38
0.100
0.285
41: QC - Blank
< 0.005
---
< 0.04
< 0.005
< 0.025
42: QC - STD % Recovery
102%
---
102%
99%
93%
43: QC - DUP % RPD
1%
---
9%
2%
3%
44: QC - Spike Rep
---
*NP (Neutral i zat i on Potential )
= 50 x ( N of HCL x Total HCL added - N NaCH x NaCH added)
-------------------------------------------------------
Vlbi ght of Sarrpl e
*AP (Aci d Pot ent i al ) = % Sul phi de Sul phur x 31. 25
* Net NP ( Net Neut r al i zat i on Pot ent i al) = NP- AP
NP/ AP Rat i o = NP/ AP
* Resul t s expr essed as t onnes CaCC3 equi val ent / 1000 t onnes of rrat er i al
Sarrpl es W t h a % Sul phi de val Lie of <0. 04 W I I be cal cul at ed usi ng a 0. 04 val Lie.
Y
Catharine Arnold, B. hem
Project Specialist,
Environment, Health & Safety
Page 3 of 3
Data reported represents the sample submitted to SGS. Reproduction of this analytical report in full or in part is prohibited without prior written approval. Please refer to SGS
General Conditions of Services located at https://www.sgs.ca/en/terms-and-conditions (Printed copies are available upon request.)
Test method information available upon request. "Temperature Upon Receipt' is representative of the whole shipment and may not reflect the temperature of individual samples.
SGS Canada Inc. Environment -Health & Safety statement of conformity decision rule does not consider uncertainty when analytical results are compared to a specified standard or
regulation.

ATTACHMENT
ELEMENTAL ANALYSES -WASTE ROCK

0
SGS_
SGS Canada Inc.
P.O. Box 4300 - 185 Concession St.
Lakefield - Ontario - KOL 2HO
Phone: [phone] FAX: [phone]
SGS Lakefield Environmental Met
Attn : Barb Bowman
Project : CA20M-00000-110-17234-03
03-June-2021
Date Rec. :
LR Report:
Reference:
Copy:
CERTIFICATE OF ANALYSIS
Final Report
11 May 2021
CA14849-MAY21
17234-03-01
#1
Analysis
1:
Analysis
Start Date
2: 3:
Analysis Analysis
Start. TimeCompleted Date
4: 5: 6: 7: 8: 9: 10: 11:
Analysis 20-BD-350-AB 20-BD-350-AB20-BD-350-AB 20-BD-350-AB 20-BD-350-AB20-BD-350-AB 20-BD-350-AB
Completed Al A2 A3 A4 A5 A6 A7
Time
Sample Date & Time
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Hg [ug/g]
01-Jun-21
11:15
03-Jun-21
11:16
0.06
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
Ag [lag/g]
20-May-21
13:00
25-May-21
09:49
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
Al [lag/g]
20-May-21
13:00
25-May-21
09:49
120000
94000
67000
80000
74000
90000
86000
As [Ng/g]
20-May-21
13:00
25-May-21
09:49
36
48
7.0
20
59
140
10
B [pg/g]
20-May-21
13:00
25-May-21
09:49
1.8
< 1
< 1
39
1.6
3.4
< 1
Ba [pg/g]
20-May-21
13:00
25-May-21
09:49
130
66
73
500
320
480
600
Be [pg/g]
20-May-21
13:00
25-May-21
09:49
11
7
1
8
35
6
3
Bi [lag/g]
20-May-21
13:00
25-May-21
09:49
0.80
0.26
< 0.09
0.41
0.69
0.78
0.43
Ca [lag/g]
20-May-21
13:00
25-May-21
09:49
390
24000
59000
4700
7500
7100
11000
Cd [lag/g]
20-May-21
13:00
25-May-21
09:49
0.12
0.27
0.12
0.23
0.36
0.25
0.18
Co [pg/g]
20-May-21
13:00
25-May-21
09:49
42
68
40
24
15
21
28
Cr [pg/g]
20-May-21
13:00
25-May-21
09:49
170
460
130
85
59
42
42
Cu [pg/g]
20-May-21
13:00
25-May-21
09:49
70
73
14
100
43
59
46
Fe [tag/g]
20-May-21
13:00
25-May-21
09:49
110000
110000
69000
56000
34000
52000
60000
K [pg/g]
20-May-21
13:00
25-May-21
09:49
4700
1600
6600
30000
24000
25000
24000
Li [pg/g]
20-May-21
13:00
25-May-21
09:49
170
240
370
500
290
240
370
Page 1 of 6
Data reported represents the sample submitted to SGS. Reproduction of this analytical report in full or in part is prohibited without prior written approval. Please refer to SGS General Conditions of Services located at
https://www.sgs.ca/en/terms-and-conditions (Printed copies are available upon request.)
Test method information available upon request. "Temperature Upon Receipt' is representative of the whole shipment and may not reflect the temperature of individual samples.
SGS Canada Inc. Environment -Health & Safety statement of conformity decision rule does not consider uncertainty when analytical results are compared to a specified standard or regulation.

SGS_
SGS Canada Inc. Project : CA20M-00000-110-17234-03
P.O. Box 4300 - 185 Concession St. LR Report: CA14849-MAY21
Lakefield - Ontario - KOL 2HO
Phone: [phone] FAX: [phone]
Analysis 1: 2: 3: 4: 5: 6: 7: 8: 9: 10: 11:
Analysis Analysis Analysis Analysis 20-BD-350-AB 20-BD-350-AB20-BD-350-AB 20-BD-350-AB 20-BD-350-AB20-BD-350-AB 20-BD-350-AB
Start Date Start. TimeCompleted Date Completed Al A2 A3 A4 A5 A6 A7
Time
Mg [lag/g]
20-May-21
13:00
25-May-21
09:49
1200
32000
41000
13000
8800
13000
17000
Mn [lag/g]
20-May-21
13:00
25-May-21
09:49
1700
2000
1400
2800
350
480
680
Mo [lag/g]
20-May-21
13:00
25-May-21
09:49
1.3
0.2
0.5
3.0
2.1
2.1
1.6
Na [lag/g]
20-May-21
13:00
25-May-21
09:49
530
2200
16000
9500
7500
13000
25000
Ni [Ng/g]
20-May-21
13:00
25-May-21
09:49
170
260
120
55
43
59
61
P[Ng/g]
20-May-21
13:00
25-May-21
09:49
1000
780
660
540
800
430
520
Pb [Ng/g]
20-May-21
13:00
25-May-21
09:49
14
3
3
29
24
23
20
Sb [fag/g]
20-May-21
13:00
25-May-21
09:49
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
Se [fag/g]
20-May-21
13:00
25-May-21
09:49
1.2
< 0.7
< 0.7
< 0.7
< 0.7
0.8
< 0.7
Si [%]
01-Jun-21
---
01-Jun-21
---
17.0
16.7
20.6
24.8
25.9
24.1
23.7
Sn [fag/g]
20-May-21
13:00
25-May-21
09:49
9.9
< 6
< 6
15
19
7.3
< 6
Sr [Ng/g]
20-May-21
13:00
25-May-21
09:49
12
17
120
71
80
110
100
Th [Ng/g]
20-May-21
13:00
25-May-21
09:49
8.0
1.4
1.1
9.6
7.9
12
12
Ti [Ng/g]
20-May-21
13:00
25-May-21
09:49
15000
14000
8900
4900
2700
5200
6900
TI [fag/g]
20-May-21
13:00
25-May-21
09:49
0.87
0.77
0.24
1.7
3.3
1.1
1.2
U [Ng/g]
20-May-21
13:00
25-May-21
09:49
2.25
0.24
0.16
2.75
4.67
3.04
2.54
V [Ng/g]
20-May-21
13:00
25-May-21
09:49
280
230
200
120
100
130
170
W [Ng/g]
20-May-21
13:00
25-May-21
09:49
27
3.6
0.81
2.9
2.2
1.8
1.1
Y [Ng/g]
20-May-21
13:00
25-May-21
09:49
20
63
32
15
9.9
12
16
Zn [Ng/g]
20-May-21
13:00
25-May-21
09:49
100
120
79
110
97
110
100
Analysis 12: 13: 14: 15: 16: 17: 18: 19: 20: 21: 22: 23:
20-BD-350-AB 20-BD-350-AB 20-BD-350-AB 20-BD-350-AB 20-BD-350-AB 20-BD-350-AB 20-BD-350-AB 20-BD-363-AB 20-BD-363-AB 20-BD-363-AB 20-BD-363-AB 20-BD-363-AB
A8 A9 A10 All Al2 A13 A14 Al A2 A3 A4 A6
Sample Date & Time
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Hg [ug/g]
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
0.06
< 0.05
< 0.05
< 0.05
< 0.05
Ag [Ng/g]
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
Al[pg/g]
71000
70000
71000
96000
76000
82000
98000
130000
100000
77000
73000
72000
As [lag/g]
110
7.0
44
7.6
2.0
54
53
29
20
6.4
14
2.6
B[pg/g]
<1
<1
<1
<1
<1
2.8
<1
<1
1.4
<1
<1
<1 0
0
Page 2 of 6
Data reported represents the sample submitted to SGS. Reproduction of this analytical report in full or in part is prohibited without prior written approval. Please refer to SGS General Conditions of Services located at
https://www.sgs.ca/en/terms-and-conditions (Printed copies are available upon request.)
Test method information available upon request. "Temperature Upon Receipt' is representative of the whole shipment and may not reflect the temperature of individual samples.
SGS Canada Inc. Environment -Health & Safety statement of conformity decision rule does not consider uncertainty when analytical results are compared to a specified standard or regulation.

SGS_
SGS Canada Inc. Project : CA20M-00000-110-17234-03
P.O. Box 4300 - 185 Concession St. LR Report: CA14849-MAY21
Lakefield - Ontario - KOL 2HO
Phone: [phone] FAX: [phone]
Analysis 12: 13: 14: 15: 16: 17: 18: 19: 20: 21: 22: 23:
20-BD-350-AB 20-BD-350-AB 20-BD-350-AB 20-BD-350-AB 20-BD-350-AB 20-BD-350-AB 20-BD-350-AB 20-BD-363-AB 20-BD-363-AB 20-BD-363-AB 20-BD-363-AB 20-BD-363-AB
A8 A9 A10 All Al2 A13 A14 Al A2 A3 A4 A6
Ba [pg/g]
270
25
100
680
20
170
560
55
110
120
85
38
Be [pg/g]
5
1
1
3
2
9
4
3
5
1
2
2
Bi [pg/g]
0.19
0.11
0.11
0.30
0.13
0.17
0.37
0.46
0.33
0.21
0.18
0.10
Ca[pg/g]
29000
71000
60000
27000
69000
46000
9900
130
1900
57000
58000
63000
Cd [pg/g]
0.15
0.22
0.18
0.24
0.24
0.14
0.25
0.04
0.13
0.11
0.10
0.13
Co [pg/g]
28
38
41
31
46
31
24
20
60
45
41
39
Cr[pg/g]
32
67
80
79
46
68
73
170
360
250
170
110
Cu [pg/g]
35
30
26
51
120
32
62
70
74
42
27
78
Fe[pg/g]
56000
68000
68000
67000
81000
68000
57000
120000
97000
68000
73000
81000
K[pg/g]
19000
1000
5500
27000
640
8600
28000
1600
4200
8200
7100
3000
Li[pg/g]
330
110
220
490
250
1900
810
68
330
420
570
720
Mg[pg/g]
23000
38000
41000
26000
41000
30000
15000
1200
12000
59000
50000
39000
Mn[pg/g]
810
1100
1200
780
1300
1200
490
1200
2000
1600
1800
1400
Mo [pg/g]
2.3
0.8
0.8
0.9
0.9
1.1
1.9
1.2
0.3
0.5
0.2
0.4
Na[pg/g]
13000
16000
11000
18000
21000
20000
14000
170
110
16000
16000
19000
Ni[pg/g]
42
70
81
51
41
34
56
100
170
210
130
70
P[pg/g]
1100
890
840
620
960
2500
700
760
680
430
730
880
Pb [pg/g]
9
3
4
15
3
7
22
17
11
5
5
2
Sb [pg/g]
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
Se [pg/g]
< 0.7
< 0.7
< 0.7
0.7
< 0.7
< 0.7
< 0.7
1.4
< 0.7
< 0.7
< 0.7
< 0.7
Si [%]
25.8
22.6
20.9
23.0
21.6
22.4
24.4
15.0
20.2
21.9
21.9
22.5
Sn[pg/g]
13
<6
<6
<6
6.3
17
9.1
<6
<6
<6
12
6.3
Sr[pg/g]
170
330
260
180
240
200
110
4
16
96
110
140
Th [pg/g]
5.0
1.4
1.6
9.1
1.5
3.0
12
5.2
2.7
1.5
0.49
0.61
Ti[pg/g]
8100
11000
10000
8000
12000
9300
5300
12000
10000
6600
9400
12000
TI [pg/g]
1.6
< 0.02
0.28
0.98
0.04
3.0
1.6
0.34
0.40
0.33
0.66
0.39
U [pg/g]
1.33
0.27
0.24
2.09
0.23
0.96
3.11
1.34
0.53
0.21
0.12
0.22
V[pg/g]
170
240
230
190
260
210
120
330
290
190
250
290
W [pg/g]
1.2
0.73
0.42
1.3
5.4
2.5
1.6
2.7
2.1
0.63
2.4
0.81
Y [pg/g]
21
24
22
23
25
21
10
11
56
24
32
40
Zn [pg/g]
83
70
75
120
82
82
130
54
120
74
92
92 0
0
Page 3 of 6
Data reported represents the sample submitted to SGS. Reproduction of this analytical report in full or in part is prohibited without prior written approval. Please refer to SGS General Conditions of Services located at
https://www.sgs.ca/en/terms-and-conditions (Printed copies are available upon request.)
Test method information available upon request. "Temperature Upon Receipt' is representative of the whole shipment and may not reflect the temperature of individual samples.
SGS Canada Inc. Environment -Health & Safety statement of conformity decision rule does not consider uncertainty when analytical results are compared to a specified standard or regulation.

SGS_
SGS Canada Inc. Project : CA20M-00000-110-17234-03
P.O. Box 4300 - 185 Concession St. LR Report: CA14849-MAY21
Lakefield - Ontario - KOL 2HO
Phone: [phone] FAX: [phone]
Analysis 24: 25: 26: 27: 28: 29: 30: 31: 32: 33: 34: 35:
20-BD-363-AB 20-BD-408-AB 20-BD-408-AB 20-BD-408-AB 20-BD-408-AB 20-BD-408-AB 20-BD-408-AB 20-BD-408-AB 20-BD-408-AB 20-BD-408-AB 20-BD-408-AB 20-BD-408-AB
A7 Al A2 A3 A4 A5 A6 A7 A8 A9 A10 All
Sample Date & Time
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Hg [ug/g]
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
Ag [Ng/g]
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
Al[pg/g]
71000
86000
98000
84000
56000
79000
77000
84000
90000
90000
88000
65000
As [Ng/g]
2.1
30
18
35
7.6
190
9.2
20
31
20
73
6.2
B [Ng/g]
< 1
1.8
3.4
4.2
< 1
4.5
< 1
< 1
< 1
< 1
2.8
< 1
Ba [Ng/g]
40
190
500
460
17
390
25
510
390
410
570
28
Be [Ng/g]
1
22
10
12
2
21
1
3
3
3
6
0.88
Bi [Ng/g]
0.13
2
1
0.91
0.15
0.26
0.11
0.61
0.46
0.39
0.61
0.11
Ca[pg/g]
63000
550
350
4800
74000
15000
74000
10000
21000
13000
8800
60000
Cd [Ng/g]
0.14
0.12
0.08
0.52
0.22
0.12
0.19
0.28
0.55
0.20
0.30
0.15
Co [Ng/g]
41
5
48
20
35
20
44
21
26
23
20
36
Cr[pg/g]
89
42
78
79
76
61
100
53
71
59
73
72
Cu [Ng/g]
32
33
68
56
34
32
41
60
65
54
52
81
Fe[pg/g]
91000
32000
45000
44000
72000
41000
75000
50000
62000
53000
47000
67000
K[pg/g]
3700
23000
28000
27000
1600
21000
1200
26000
23000
27000
30000
1100
Li[pg/g]
390
150
360
630
98
480
130
270
280
340
720
160
Mg[Ng/g]
40000
990
5900
11000
24000
14000
44000
13000
19000
13000
11000
40000
Mn[pg/g]
1800
140
960
390
1300
530
1300
390
720
440
420
1100
Mo [Ng/g]
0.4
1.6
1.3
2.2
1.9
1.2
0.8
3.3
2.7
1.7
1.7
0.6
Na[pg/g]
20000
3800
4200
15000
3800
22000
15000
16000
20000
15000
11000
16000
Ni[pg/g]
55
11
29
53
22
43
93
59
58
53
53
41
P [fag/g]
1100
330
430
750
1200
1400
940
270
430
320
480
740
Pb [Ng/g]
2
30
32
27
3
16
5
20
24
22
21
2
Sb [Ng/g]
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
Se [Ng/g]
< 0.7
< 0.7
0.9
1.0
< 0.7
< 0.7
< 0.7
< 0.7
0.8
< 0.7
0.8
< 0.7
Si [%]
22.2
30.9
27.5
28.2
26.0
27.8
22.1
25.7
24.7
25.4
26.6
21.0
Sn [Ng/g]
< 6
72
33
25
< 6
33
< 6
6.2
6.7
8.8
26
< 6
Sr [fag/g]
160
44
51
100
340
140
420
110
170
110
61
220
Th [pg/g]
0.72
5.9
10
8.6
1.9
7.7
1.5
11
11
11
12
1.6
Ti[pg/g]
15000
2400
4400
4500
13000
5400
12000
5200
6300
5400
4500
9900 0
0
Page 4 of 6
Data reported represents the sample submitted to SGS. Reproduction of this analytical report in full or in part is prohibited without prior written approval. Please refer to SGS General Conditions of Services located at
https://www.sgs.ca/en/terms-and-conditions (Printed copies are available upon request.)
Test method information available upon request. "Temperature Upon Receipt' is representative of the whole shipment and may not reflect the temperature of individual samples.
SGS Canada Inc. Environment -Health & Safety statement of conformity decision rule does not consider uncertainty when analytical results are compared to a specified standard or regulation.

0
SGS_
SGS Canada Inc. Project : CA20M-00000-110-17234-03
P.O. Box 4300 - 185 Concession St. LR Report: CA14849-MAY21
Lakefield - Ontario - KOL 2HO
Phone: [phone] FAX: [phone]
Analysis 24: 25: 26: 27: 28: 29: 30: 31: 32: 33: 34: 35:
20-BD-363-AB 20-BD-408-AB 20-BD-408-AB 20-BD-408-AB 20-BD-408-AB 20-BD-408-AB 20-BD-408-AB 20-BD-408-AB 20-BD-408-AB 20-BD-408-AB 20-BD-408-AB 20-BD-408-AB
A7 Al A2 A3 A4 A5 A6 A7 A8 A9 A10 All
TI [lag/g]
0.30
2.6
2.7
3.4
0.18
2.4
0.10
0.87
0.97
1.2
3.0
0.07
U [lag/g]
0.11
3.21
4.43
5.42
0.35
3.24
0.19
3.33
3.29
2.54
2.80
0.20
V [lag/g]
340
55
120
120
240
100
260
120
170
120
110
220
W [lag/g]
0.45
4.4
4.6
2.8
5.3
1.8
0.32
1.6
1.1
1.8
2.6
0.40
Y [lag/g]
46
4.7
17
6.1
21
12
24
10
11
8.3
8.7
20
Zn [lag/g]
100
53
70
110
79
87
83
110
130
100
110
65
Analysis 36: 37: 38: 39: 40: 41: 42: 43: 44:
20-BD-408-AB20-BD-408-AB20-BD-408-AB20-BD-408-AB20-BD-408-AB QC - Blank QC - STD % QC - DUP %QC - Spike Rep
Al2 A13 A14 A15 A16 Recovery RPD
Sample Date & Time
N/A
N/A
N/A
N/A
N/A
Hg [ug/g]
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
108%
1 %
Ag [Ng/g]
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.01
95%
8%
Al [lag/g]
83000
72000
82000
74000
76000
< 3
100%
3%
As [lag/g]
11
22
5.7
37
6.9
< 0.5
102%
2%
B [lag/g]
1.9
< 1
1.1
< 1
< 1
< 1
98%
ND
Ba [lag/g]
410
46
370
69
170
< 0.01
105%
1 %
Be [lag/g]
3
3
9
1
1
< 0.02
99%
4%
Bi [lag/g]
0.43
0.27
0.50
0.20
0.16
< 0.09
94%
5%
Ca [lag/g]
17000
79000
22000
74000
56000
< 3
99%
1 %
Cd [lag/g]
0.22
0.18
0.16
0.17
0.13
< 0.02
104%
15%
Co [lag/g]
20
39
23
45
39
< 0.01
102%
0%
Cr [lag/g]
100
58
88
47
63
< 0.5
101 %
7%
Cu [lag/g]
50
68
48
120
60
< 0.1
101 %
12%
Fe [lag/g]
47000
76000
51000
72000
78000
< 3
99%
3%
K [lag/g]
22000
2000
25000
3300
9000
< 3
100%
3%
Li [lag/g]
500
440
500
62
110
< 2
100%
11 %
Mg [lag/g]
13000
40000
20000
33000
39000
< 3
101 %
7%
Mn [lag/g]
430
1300
620
1100
1200
< 0.1
98%
12%
Mo [lag/g]
1.4
0.9
2.1
1.1
1.2
< 0.1
98%
4%
Page 5 of 6
Data reported represents the sample submitted to SGS. Reproduction of this analytical report in full or in part is prohibited without prior written approval. Please refer to SGS General Conditions of Services located at
https://www.sgs.ca/en/terms-and-conditions (Printed copies are available upon request.)
Test method information available upon request. "Temperature Upon Receipt' is representative of the whole shipment and may not reflect the temperature of individual samples.
SGS Canada Inc. Environment -Health & Safety statement of conformity decision rule does not consider uncertainty when analytical results are compared to a specified standard or regulation.

0
SGS_
SGS Canada Inc. Project : CA20M-00000-110-17234-03
P.O. Box 4300 - 185 Concession St. LR Report: CA14849-MAY21
Lakefield - Ontario - KOL 2HO
Phone: [phone] FAX: [phone]
Analysis 36: 37: 38: 39: 40: 41: 42: 43: 44:
20-BD-408-AB20-BD-408-AB20-BD-408-AB20-BD-408-AB20-BD-408-AB QC - Blank QC - STD % QC - DUP %QC - Spike Rep
Al2 A13 A14 A15 A16 Recovery RPD
Na [pg/g]
20000
17000
14000
25000
24000
< 3
102%
3%
Ni [pg/g]
47
52
49
39
40
< 0.1
99%
1 %
P [pg/g]
320
960
1100
1000
1000
< 3
99%
5%
Pb [pg/g]
20
4
16
3
5
< 0.05
106%
8%
Sb [pg/g]
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
100%
2%
Se[pg/g]
<0.7
<0.7
<0.7
<0.7
<0.7
<0.7
101%
ND
Si [%]
26.2
21.2
24.2
21.8
22.0
---
---
--- ---
Sn[pg/g]
<6
12
<6
<6
<6
<6
101%
ND
Sr [pg/g]
100
280
110
370
250
< 0.02
97%
4%
Th [pg/g]
9.6
1.5
8.4
1.4
1.9
< 0.01
102%
ND
Ti [pg/g]
4900
12000
5800
12000
12000
< 0.1
91 %
2%
TI [pg/g]
0.88
0.26
1.1
0.08
0.36
< 0.02
104%
6%
U [pg/g]
2.39
0.36
2.41
0.71
0.54
< 0.002
100%
12%
V [pg/g]
110
260
140
280
300
< 1
102%
4%
W [pg/g]
1.6
4.2
1.5
0.98
0.44
< 0.04
101%
2%
Y [pg/g]
9.6
25
15
26
24
< 0.004
103%
10%
Zn [pg/g]
100
80
110
70
100
< 0.7
100%
2%
�Q�I.LKP C�EYIST
Y
Catharine Arnold, 8. Chem
Project Specialist,
Environment, Health & Safety
Page 6 of 6
Data reported represents the sample submitted to SGS. Reproduction of this analytical report in full or in part is prohibited without prior written approval. Please refer to SGS General Conditions of Services located at
https://www.sgs.ca/en/terms-and-conditions (Printed copies are available upon request.)
Test method information available upon request. "Temperature Upon Receipt' is representative of the whole shipment and may not reflect the temperature of individual samples.
SGS Canada Inc. Environment -Health & Safety statement of conformity decision rule does not consider uncertainty when analytical results are compared to a specified standard or regulation.

Geochemical Characterization
Piedmont Lithium Project
Piedmont Lithium Limited
SGS Reference No.: 17234-03
Elemental Analysis - Strong Acid Digestion - ICP-OES/MS
20-BD-350-
20-BD-350-
20-1313-350-
20-BD-350-
20-BD-350-
20-BD-350-
20-BD-350-
20-BD-350-
20-BD-350-
Parameter
Unit
ABA1
ABA2
ABA3
ABA4
ABA5
ABA6
ABA7
ABA8
ABA9
Depth
m
0-6
6-22.82
35.08-35.58
39.79-63.87
63.87-67.77
67.77-100.27
102.16-107.51
113.59-122.18
130.58-137.96
Matrix
---
oVB
SAP
SCH
SCH
SCH
SCH
SCH
SCH
AMPH
LIMS
14849-MAY21
14849-MAY21
14849-MAY21
14849-MAY21
14849-MAY21
14849-MAY21
14849-MAY21
14849-MAY21
14849-MAY21
Si
%
17.0
16.7
20.6
24.8
25.9
24.1
23.7
25.8
22.6
Hg
ug/g
0.06
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
Ag
Ng/g
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
Al
Ng/g
120000
94000
67000
80000
74000
90000
86000
71000
70000
As
Ng/g
36
48
7
20
59
140
10
110
7.0
Ba
Ng/g
130
66
73
500
320
480
600
270
25
Be
Ng/g
11
7
1
8
35
6
3
5
1
Bi
Ng/g
0.80
0.26
< 0.09
0.41
0.69
0.78
0.43
0.19
0.11
B
Ng/g
1.8
< 1
< 1
39
1.6
3.4
< 1
< 1
< 1
Ca
Ng/g
390
24000
59000
4700
7500
7100
11000
29000
71000
Cd
Ng/g
0.12
0.27
0.12
0.23
0.36
0.25
0.18
0.15
0.22
Co
Ng/g
42
68
40
24
15
21
28
28
38
Cr
Ng/g
170
460
130
85
59
42
42
32
67
Cu
Ng/g
70
73
14
100
43
59
46
35
30
Fe
Ng/g
110000
110000
69000
56000
34000
52000
60000
56000
68000
K
Ng/g
4700
1600
6600
30000
24000
25000
24000
19000
1000
Li
ug/g
170
240
370
500
290
240
370
330
110
Mg
Ng/g
1200
32000
41000
13000
8800
13000
17000
23000
38000
Mn
ug/g
1700
2000
1400
2800
350
480
680
810
1100
Mo
Ng/g
1.3
0.2
0.5
3.0
2.1
2.1
1.6
2.3
0.8
Na
ug/g
530
2200
16000
9500
7500
13000
25000
13000
16000
Ni
Ng/g
170
260
120
55
43
59
61
42
70
P
ug/g
1000
780
660
540
800
430
520
1100
890
Pb
Ng/g
14
3
3
29
24
23
20
9
3
Sb
ug/g
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
Se
Ng/g
1.2
< 0.7
< 0.7
< 0.7
< 0.7
0.8
< 0.7
< 0.7
< 0.7
Sin
Ng/g
9.9
<6
<6
15
19
7.3
<6
13
<6
Sr
Ng/g
12
17
120
71
80
110
100
170
330
Ti
Ng/g
15000
14000
8900
4900
2700
5200
6900
8100
11000
TI
Ng/g
0.87
0.77
0.24
1.7
3.3
1.1
1.2
1.6
< 0.02
Th
Ng/g
8.0
1.4
1.1
9.6
7.9
12
12
5.0
1.4
U
Ng/g
2.25
0.24
0.16
2.75
4.67
3.04
2.54
1.33
0.27
V
Ng/g
280
230
200
120
100
130
170
170
240
W
Ng/g
27
3.6
0.81
2.9
2.2
1.8
1.1
1.2
0.73
Y
Ng/g
20
63
32
15
9.9
12
16
21
24
Zn
Ng/g
100
120
79
110
97
110
100
83
70
SGS Minerals Services Elemental Analysis

Geochemical Characterization
Piedmont Lithium Project
Piedmont Lithium Limited
SGS Reference No.: 17234-03
Elemental Analysis - Strong Acid D
20-BD-350-
20-BD-350-
20-BD-350-
20-BD-350-
20-BD-350-
20-BD-363-
20-BD-363-
20-BD-363-
20-BD-363-
Parameter
Unit
ABA10
ABA11
ABA12
ABA13
ABA14
ABA1
ABA2
ABA3
ABA4
Depth
m
140.88-148.87
151.60-163.11
163.11-179.45
188.32-196.12
197.04-209
0-3
3-13.5
13.50-45.00
45.00-76.36
Matrix
---
AMPH
SCH
AMPH
AMPH
SCH
OVB
SAP
SCH
SCH
LIMS
14849-MAY21
14849-MAY21
14849-MAY21
14849-MAY21
14849-MAY21
14849-MAY21
14849-MAY21
14849-MAY21
14849-MAY21
Si
%
20.9
23.0
21.6
22.4
24.4
15.0
20.2
21.9
21.9
Hg
ug/g
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
0.06
< 0.05
< 0.05
< 0.05
Ag
ug/g
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
Al
Ng/g
71000
96000
76000
82000
98000
130000
100000
77000
73000
As
ug/g
44
7.6
2.0
54
53
29
20
6.4
14
Ba
Ng/g
100
680
20
170
560
55
110
120
85
Be
ug/g
1
3
2
9
4
3
5
1
2
Bi
Ng/g
0.11
0.30
0.13
0.17
0.37
0.46
0.33
0.21
0.18
B
Pg/g
<1
<1
<1
2.8
<1
<1
1.4
<1
<1
Ca
Ng/g
60000
27000
69000
46000
9900
130
1900
57000
58000
Cd
ug/g
0.18
0.24
0.24
0.14
0.25
0.04
0.13
0.11
0.10
Co
Ng/g
41
31
46
31
24
20
60
45
41
Cr
Pg/g
80
79
46
68
73
170
360
250
170
Cu
Ng/g
26
51
120
32
62
70
74
42
27
Fe
ug/g
68000
67000
81000
68000
57000
120000
97000
68000
73000
K
Ng/g
5500
27000
640
8600
28000
1600
4200
8200
7100
Li
ug/g
220
490
250
1900
810
68
330
420
570
Mg
Ng/g
41000
26000
41000
30000
15000
1200
12000
59000
50000
Mn
ug/g
1200
780
1300
1200
490
1200
2000
1600
1800
Mo
Ng/g
0.8
0.9
0.9
1.1
1.9
1.2
0.3
0.5
0.2
Na
ug/g
11000
18000
21000
20000
14000
170
110
16000
16000
Ni
Ng/g
81
51
41
34
56
100
170
210
130
P
ug/g
840
620
960
2500
700
760
680
430
730
Pb
Ng/g
4
15
3
7
22
17
11
5
5
Sb
ug/g
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
Se
Ng/g
< 0.7
0.7
< 0.7
< 0.7
< 0.7
1.4
< 0.7
< 0.7
< 0.7
Sin
Ng/g
<6
<6
6.3
17
9.1
<6
<6
<6
12
Sr
Ng/g
260
180
240
200
110
4
16
96
110
Ti
Ng/g
10000
8000
12000
9300
5300
12000
10000
6600
9400
TI
Ng/g
0.28
0.98
0.04
3.0
1.6
0.34
0.40
0.33
0.66
Th
Ng/g
1.6
9.1
1.5
3.0
12
5.2
2.7
1.5
0.49
U
Ng/g
0.24
2.09
0.23
0.96
3.11
1.34
0.53
0.21
0.12
V
Ng/g
230
190
260
210
120
330
290
190
250
W
Ng/g
0.42
1.3
5.4
2.5
1.6
2.7
2.1
0.63
2.4
Y
Ng/g
22
23
25
21
10
11
56
24
32
Zn
Ng/g
75
120
82
82
130
54
120
74
92
SGS Minerals Services Elemental Analysis

Geochemical Characterization
Piedmont Lithium Project
Piedmont Lithium Limited
SGS Reference No.: 17234-03
Elemental Analysis - Strong Acid D
20-BD-363-
20-BD-363-
21-1313-408-
21-BD-408-
21-BD-408-
21-BD-408-
21-BD-408-
21-BD-408-
21-BD-408-
Parameter
Unit
ABA6
ABA7
ABA1
ABA2
ABA3
ABA4
ABA5
ABA6
ABA7
Depth
m
98.72-123.86
123.86-149.00
0-1.5
1.5-17.7
17.7-39.95
39.95-42.6
42.6-49.39
49.39-55.65
63.75-69.83
Matrix
---
MUD
MUD
OVB
SAP
SCH
MUD
SCH
AMPH
SCH
LIMS
14849-MAY21
14849-MAY21
14849-MAY21
14849-MAY21
14849-MAY21
14849-MAY21
14849-MAY21
14849-MAY21
14849-MAY21
Si
%
22.5
22.2
30.9
27.5
28.2
26.0
27.8
22.1
25.7
Hg
ug/g
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
Ag
ug/g
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
Al
Ng/g
72000
71000
86000
98000
84000
56000
79000
77000
84000
As
ug/g
2.6
2.1
30
18
35
7.6
190
9.2
20
Ba
Ng/g
38
40
190
500
460
17
390
25
510
Be
ug/g
2
1
22
10
12
2
21
1
3
Bi
Ng/g
0.10
0.13
2
1
0.91
0.15
0.26
0.11
0.61
B
Pg/g
< 1
< 1
1.8
3.4
4.2
< 1
4.5
< 1
< 1
Ca
Ng/g
63000
63000
550
350
4800
74000
15000
74000
10000
Cd
ug/g
0.13
0.14
0.12
0.08
0.52
0.22
0.12
0.19
0.28
Co
Ng/g
39
41
5
48
20
35
20
44
21
Cr
Ng/g
110
89
42
78
79
76
61
100
53
Cu
Ng/g
78
32
33
68
56
34
32
41
60
Fe
Ng/g
81000
91000
32000
45000
44000
72000
41000
75000
50000
K
Ng/g
3000
3700
23000
28000
27000
1600
21000
1200
26000
Li
ug/g
720
390
150
360
630
98
480
130
270
Mg
Ng/g
39000
40000
990
5900
11000
24000
14000
44000
13000
Mn
ug/g
1400
1800
140
960
390
1300
530
1300
390
Mo
Ng/g
0.4
0.4
1.6
1.3
2.2
1.9
1.2
0.8
3.3
Na
ug/g
19000
20000
3800
4200
15000
3800
22000
15000
16000
Ni
Ng/g
70
55
11
29
53
22
43
93
59
P
ug/g
880
1100
330
430
750
1200
1400
940
270
Pb
Ng/g
2
2
30
32
27
3
16
5
20
Sb
ug/g
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
Se
Ng/g
< 0.7
< 0.7
< 0.7
0.9
1.0
< 0.7
< 0.7
< 0.7
< 0.7
Sin
Ng/g
6.3
< 6
72
33
25
< 6
33
< 6
6.2
Sr
Ng/g
140
160
44
51
100
340
140
420
110
Ti
Ng/g
12000
15000
2400
4400
4500
13000
5400
12000
5200
TI
Ng/g
0.39
0.30
2.6
2.7
3.4
0.18
2.4
0.10
0.87
Th
Ng/g
0.61
0.72
5.9
10
8.6
1.9
7.7
1.5
11
U
Ng/g
0.22
0.11
3.21
4.43
5.42
0.35
3.24
0.19
3.33
V
Ng/g
290
340
55
120
120
240
100
260
120
W
Ng/g
0.81
0.45
4.4
4.6
2.8
5.3
1.8
0.32
1.6
Y
Ng/g
40
46
4.7
17
6.1
21
12
24
10
Zn
Ng/g
92
100
53
70
110
79
87
83
110
SGS Minerals Services Elemental Analysis

Geochemical Characterization
Piedmont Lithium Project
Piedmont Lithium Limited
SGS Reference No.: 17234-03
Elemental Analysis - Strong Acid D
21-BD-408-
21-BD-408-
21-1313-408-
21-BD-408-
21-BD-408-
21-BD-408-
21-BD-408-
21-BD-408-
21-BD-408-
Parameter
Unit
ABA8
ABA9
ABA10
ABA11
ABA12
ABA13
ABA14
ABA15
ABA16
Depth
m
70.78-82.01
82.96-94.45
95.00-111.49
120.46-128.91
134.89-148-95
148.95-160.08
176.53-186.88
186.88-210.26
210.26-218.00
Matrix
---
SCH
SCH
SCH/PEG
AMPH
SCH
MUD
SCH
MUD
MUD
LIMS
14849-MAY21
14849-MAY21
14849-MAY21
14849-MAY21
14849-MAY21
14849-MAY21
14849-MAY21
14849-MAY21
14849-MAY21
Si
%
24.7
25.4
26.6
21.0
26.2
21.2
24.2
21.8
22.0
Hg
ug/g
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
< 0.05
Ag
ug/g
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
Al
Ng/g
90000
90000
88000
65000
83000
72000
82000
74000
76000
As
Ng/g
31
20
73
6.2
11
22
5.7
37
6.9
Ba
Ng/g
390
410
570
28
410
46
370
69
170
Be
Ng/g
3
3
6
0.88
3
3
9
1
1
Bi
Ng/g
0.46
0.39
0.61
0.11
0.43
0.27
0.50
0.20
0.16
B
Ng/g
< 1
< 1
2.8
< 1
1.9
< 1
1.1
< 1
< 1
Ca
Ng/g
21000
13000
8800
60000
17000
79000
22000
74000
56000
Cd
Ng/g
0.55
0.20
0.30
0.15
0.22
0.18
0.16
0.17
0.13
Co
Ng/g
26
23
20
36
20
39
23
45
39
Cr
Ng/g
71
59
73
72
100
58
88
47
63
Cu
Ng/g
65
54
52
81
50
68
48
120
60
Fe
Ng/g
62000
53000
47000
67000
47000
76000
51000
72000
78000
K
Ng/g
23000
27000
30000
1100
22000
2000
25000
3300
9000
Li
ug/g
280
340
720
160
500
440
500
62
110
Mg
Ng/g
19000
13000
11000
40000
13000
40000
20000
33000
39000
Mn
ug/g
720
440
420
1100
430
1300
620
1100
1200
Mo
Ng/g
2.7
1.7
1.7
0.6
1.4
0.9
2.1
1.1
1.2
Na
ug/g
20000
15000
11000
16000
20000
17000
14000
25000
24000
Ni
Ng/g
58
53
53
41
47
52
49
39
40
P
ug/g
430
320
480
740
320
960
1100
1000
1000
Pb
Ng/g
24
22
21
2
20
4
16
3
5
Sb
ug/g
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
< 0.8
Se
Ng/g
0.8
< 0.7
0.8
< 0.7
< 0.7
< 0.7
< 0.7
< 0.7
< 0.7
Sin
Ng/g
6.7
8.8
26
<6
<6
12
<6
<6
<6
Sr
Ng/g
170
110
61
220
100
280
110
370
250
Ti
Ng/g
6300
5400
4500
9900
4900
12000
5800
12000
12000
TI
Ng/g
0.97
1.2
3.0
0.07
0.88
0.26
1.1
0.08
0.36
Th
Ng/g
11
11
12
1.6
9.6
1.5
8.4
1.4
1.9
U
Ng/g
3.29
2.54
2.80
0.20
2.39
0.36
2.41
0.71
0.54
V
Ng/g
170
120
110
220
110
260
140
280
300
W
Ng/g
1.1
1.8
2.6
0.40
1.6
4.2
1.5
0.98
0.44
Y
Ng/g
11
8.3
8.7
20
9.6
25
15
26
24
Zn
Ng/g
130
100
110
65
100
80
110
70
100
SGS Minerals Services Elemental Analysis

ATTACHMENT
TCLP RESULTS -WASTE ROCK

TCLP1311
0
SGS Canada Inc.
P.O. Box 4300 - 185 Concession St.
Lakefield - Ontario - KOL 2HO
Phone: [phone] FAX: [phone]
SGS Lakefield Environmental Met
Attn : Barb Bowman
Project: CA20M-00000-110-17234-03
25-August-2021
Date Rec.: 30 July 2021
LR Report: CA14781-JUL21
Reference: 17234-03-02
Copy: #2
CERTIFICATE OF ANALYSIS
Final Report - Revised
Analysis
1:
Analysis
Start Date
2:
Analysis
Start Time
3:
Analysis
Completed
Date
4:
Analysis
Completed
Time
5:
QC - Blank
6:
QC - STD %
Recovery
7:
QC - DUP %
RPD
Sample Date & Time
Sample weight [g]
30-Jul-21
16:46
03-Aug-21
09:10
Ext Fluid [#1 or #21
30-Jul-21
16:46
03-Aug-21
09:10
Ext Volume [mL]
30-Jul-21
16:46
03-Aug-21
09:10
Final pH [no unit]
30-Jul-21
08:46
03-Aug-21
09:10
Hg [mg/L]
04-Aug-21
07:30
04-Aug-21
13:49
< 0.00001
93%
ND
Al [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.001
108%
7%
As [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.0002
101 %
3%
Ag [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.00005
102%
ND
Ba [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.00002
97%
6%
Be [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.00007
92%
ND
B [mg/1-1
05-Aug-21
11:00
06-Aug-21
13:13
< 0.002
101 %
10%
Bi [mg/1-1
05-Aug-21
11:00
06-Aug-21
13:13
< 0.00001
94%
ND
Ca [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.01
103%
10%
Cd [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
<0.000003
101%
ND
Co [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.000004
102%
2%
Cr [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.00008
98%
72%
Cu [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.0002
97%
3%
Fe [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.007
106%
ND
K [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.009
109%
11 %
Li [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.0001
102%
1 %
Na [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.01
94%
5%
Mg [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.001
97%
6%
Mn [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.00001
99%
1 %
Mo [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.00004
102%
9%
Ni [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.0001
96%
32%
P [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.003
94%
ND
Pb [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.00001
107%
41 %
Page 1 of 3
Data reported represents the sample submitted to SGS. Reproduction of this analytical report in full or in part is prohibited without prior written approval. Please refer to SGS
General Conditions of Services located at https://www.sgs.ca/en/terms-and-conditions (Printed copies are available upon request.)
Test method information available upon request. "Temperature Upon Receipt' is representative of the whole shipment and may not reflect the temperature of individual samples.
SGS Canada Inc. Environment -Health & Safety statement of conformity decision rule does not consider uncertainty when analytical results are compared to a specified standard or
regulation.

TCLP1311
0
SGS Canada Inc. Project: CA20M-00000-110-17234-03
P.O. Box 4300 - 185 Concession St. LR Report: CA14781-JUL21
Lakefield - Ontario - KOL 2HO
Phone: [phone] FAX: [phone]
Analysis
1:
2:
3:
4:
5:
6:
7:
Analysis
Analysis
Analysis
Analysis
QC - Blank
QC - STD
%
QC - DUP
%
Start Date
Start
Time
Completed
Completed
Recovery
RPD
Date
Time
Sb [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.0009
103%
ND
Se [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.00004
98%
ND
Si [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.02
103%
6%
Sn [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.00006
99%
ND
Sr [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.00002
100%
5%
Ti [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.00005
101 %
9%
Th[mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
<0.0001
91%
ND
TI [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.000005
100%
ND
U [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.000002
102%
27%
V [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.00001
99%
3%
W [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.00002
103%
ND
Y [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.00002
101 %
ND
Zn [mg/L]
05-Aug-21
11:00
06-Aug-21
13:13
< 0.002
96%
ND
Analysis
8:
9:
10:
11:
12:
13:BLK:
QC - Spike
Schedule 4 20-BD-350-A
21-BD-408-A 21-BD-408-A$Reg347/TCL
Rep
Limits
BA12
BA8
BA13
P1311
Blank#1
Sample Date & Time
NA
NA
NA
Sample weight [g]
100
100
100
---
Ext Fluid [#1 or #2]
1
1
1
1
Ext Volume [mL]
1998
1998
2000
2000
Final pH [no unit]
4.96
4.96
5.49
4.94
Hg [mg/L]
NV
0.1 < 0.00001
0.00030 < 0.00001
<
0.00001
Al [mg/L]
110%
--
0.63
0.69
0.18
< 0.01
As [mg/L]
96%
2.5
< 0.002
0.010
0.006
< 0.002
Ag [mg/L]
95%
5
< 0.0005
< 0.0005
< 0.0005
< 0.0005
Ba [mg/L]
74%
100
0.100
0.160
0.104
0.0685
Be [mg/L]
83%
--
0.00018
0.00035
0.00071
<
0.00007
B [mg/L]
98%
500
0.06
0.04
0.05
0.04
Bi [mg/L]
84%
--
0.00003
0.00004
0.00002
0.00002
Ca [mg/L]
17%
14.9
11.8
474
0.49
Cd [mg/L]
97%
0.5
0.00003
<
0.00003
0.00011
<
0.00003
Co [mg/L]
92%
--
0.00475
0.0170
0.00749
0.00006
Cr [mg/L]
100%
5
0.0043
0.0034
0.0031
0.0039
Cu [mg/L]
102%
--
< 0.002
< 0.002
< 0.002
< 0.002
Fe [mg/L]
125%
3.66
5.29
4.11
< 0.07
K [mg/L]
64%
1.39
12.5
1.46
0.93
Li [mg/L]
84%
--
0.081
0.113
0.072
< 0.001
Na [mg/L]
90%
1330
1270
1240
1310
Mg [mg/L]
91 %
1.51
0.91
1.61
0.14
Mn [mg/L]
107%
0.129
0.125
1.69
0.0009
Page 2 of 3
Data reported represents the sample submitted to SGS. Reproduction of this analytical report in full or in part is prohibited without prior written approval. Please refer to SGS
General Conditions of Services located at https://www.sgs.ca/en/terms-and-conditions (Printed copies are available upon request.)
Test method information available upon request. "Temperature Upon Receipt' is representative of the whole shipment and may not reflect the temperature of individual samples.
SGS Canada Inc. Environment -Health & Safety statement of conformity decision rule does not consider uncertainty when analytical results are compared to a specified standard or
regulation.

TCLP1311
0
SGS Canada Inc. Project: CA20M-00000-110-17234-03
P.O. Box 4300 - 185 Concession St. LR Report: CA14781-JUL21
Lakefield - Ontario - KOL 2HO
Phone: [phone] FAX: [phone]
Analysis
8:
QC - Spike
Rep
9:
Schedule 4
Limits
10:
20-BD-350-A
BA12
11:
21-BD-408-A
BA8
12: 13:BLK:
21-BD-408-A$Reg347/TCL
BA13 P1311
Blank#1
Mo [mg/L]
107%
--
< 0.0004
< 0.0004
< 0.0004
< 0.0004
Ni [mg/L]
99%
--
0.006
0.044
0.009
< 0.001
P [mg/L]
NV
< 0.03
< 0.03
< 0.03
< 0.03
Pb [mg/L]
103%
5.0
0.00029
0.00248
0.00013
< 0.00009
Sb [mg/L]
86%
--
< 0.009
< 0.009
< 0.009
< 0.009
Se [mg/L]
89%
1
< 0.0004
< 0.0004
< 0.0004
< 0.0004
Si [mg/L]
NV
1.68
1.60
1.45
0.28
Sn [mg/L]
NV
--
< 0.0006
0.0007
< 0.0006
< 0.0006
Sr [mg/L]
76%
--
0.0311
0.0297
0.277
0.0036
Ti [mg/L]
NV
--
0.0035
0.0022
0.0027
0.0007
Th [mg/L]
NV
0.0002
0.0003
0.0001
0.0001
TI [mg/L]
96%
--
< 0.00005
0.00016
< 0.00005
< 0.00005
U [mg/L]
99%
10
0.00006
0.00138
0.00009
0.00002
V [mg/L]
97%
--
0.0027
0.0013
0.0009
0.0001
W [mg/L]
NV
--
< 0.0002
< 0.0002
0.0008
< 0.0002
Y [mg/L]
NV
--
0.00153
0.00188
0.00247
0.00012
Zn [mg/L]
109%
--
0.03
0.02
0.02
< 0.02
Extraction Fluid #1 - pH 4.93 ± 0.05
5.7MLs of acetic acid plus 64.3 mLs of 1.10N NaOH bulked to 1L with deionized water.
Extraction Fluid #2 - pH 2.88 ± 0.05
5.7 mLs of acetic acid bulked to 1L with deionized water.
Revised report with RLs adjusted.
�Q�I.CKP C�EYIST
Y
Catharine Arnold, 8. hem
Project Specialist,
Environment, Health & Safety
Page 3 of 3
Data reported represents the sample submitted to SGS. Reproduction of this analytical report in full or in part is prohibited without prior written approval. Please refer to SGS
General Conditions of Services located at https://www.sgs.ca/en/terms-and-conditions (Printed copies are available upon request.)
Test method information available upon request. "Temperature Upon Receipt' is representative of the whole shipment and may not reflect the temperature of individual samples.
SGS Canada Inc. Environment -Health & Safety statement of conformity decision rule does not consider uncertainty when analytical results are compared to a specified standard or
regulation.

Geochemical Characterization
Piedmont Lithium Project
Piedmont Lithium Limited
SGS Reference No.:17234-03
Toxicity Characteristic Leaching Procedure (TCLP) - US EPA Method 1311
Toxicity
20-BD-350-
21-BD-408-
21-BD-408-
Parameter Unit DL
Characteristic Limit
ABA12
ABA8
ABA13
Depth m
163.11-179.45
70.78-82.01
148.95-160.08
Matrix ---
AMPH
SCH
MUD
LI MS
14781-J U L21
14781-J U L21
14781-J U L21
Sample weight
g
100
100
100
Ext Fluid
#1 or #2
1
1
1
Ext Volume
mL
1998
1998
2000
Final pH
no unit
0.01
4.96
4.96
5.49
Hg
mg/L
0.00001
0.2
< 0.00001
0.00030
< 0.00001
Al
mg/L
0.001
0.63
0.69
0.18
As
mg/L
0.002
5.0
< 0.002
0.010
0.006
Ag
mg/L
0.0005
5.0
< 0.0005
< 0.0005
< 0.0005
Ba
mg/L
0.0002
100.0
0.100
0.160
0.104
Be
mg/L
0.00007
0.00018
0.00035
0.00071
B
mg/L
0.002
0.06
0.04
0.05
Bi
mg/L
0.000007
0.00003
0.00004
0.00002
Ca
mg/L
0.01
14.9
11.8
474
Cd
mg/L
0.00003
1.0
0.00003
< 0.00003
0.00011
Co
mg/L
0.000004
0.00475
0.0170
0.00749
Cr
mg/L
0.00008
5.0
0.0043
0.0034
0.0031
Cu
mg/L
0.002
< 0.002
< 0.002
< 0.002
Fe
mg/L
0.007
3.66
5.29
4.11
K
mg/L
0.009
1.39
12.5
1.46
Li
mg/L
0.0001
0.081
0.113
0.072
Na
mg/L
0.001
1330
1270
1240
Mg
mg/L
0.00001
1.51
0.91
1.61
Mn
mg/L
0.00004
0.129
0.125
1.69
Mo
mg/L
0.0004
< 0.0004
< 0.0004
< 0.0004
Ni
mg/L
0.0001
0.006
0.044
0.009
P
mg/L
0.03
< 0.03
< 0.03
< 0.03
Pb
mg/L
0.00001
5.0
0.00029
0.00248
0.00013
Sb
mg/L
0.009
< 0.009
< 0.009
< 0.009
Se
mg/L
0.0004
1.0
< 0.0004
< 0.0004
< 0.0004
Si
mg/L
0.02
1.68
1.60
1.45
Sn
mg/L
0.0006
< 0.0006
0.0007
< 0.0006
Sr
mg/L
0.00002
0.0311
0.0297
0.277
Ti
mg/L
0.0001
0.0035
0.0022
0.0027
Th
mg/L
0.00005
0.0002
0.0003
0.0001
TI
mg/L
0.00005
< 0.00005
0.00016
< 0.00005
U
mg/L
0.000002
0.00006
0.00138
0.00009
V
mg/L
0.00001
0.0027
0.0013
0.0009
W
mg/L
0.0002
< 0.0002
< 0.0002
0.0008
Y
mg/L
0.000002
0.00153
0.00188
0.00247
Zn
mg/L
0.002
0.03
0.02
0.02
SGS Minerals Services TCLP

ATTACHMENT
ABA RESULTS -LITHIUM HYDROXIDE CONVERSION PLANT TAILINGS

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
July 22, 2021
Mark Filardi
HDR
440 S. Church St
Suite 900
Charlotte, NC 28202
RE: Project: PLI TOXICITY ABA
Pace Project No.: 92550471
Dear Mark Filardi:
Enclosed are the analytical results for sample(s) received by the laboratory on July 20, 2021. The results relate only to the
samples included in this report. Results reported herein conform to the applicable TNI/NELAC Standards and the
laboratory's Quality Manual, where applicable, unless otherwise noted in the body of the report.
The test results provided in this final report were generated by each of the following laboratories within the Pace Network:
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
�� 4---
Tyler Forney
[e-mail]
[phone]
Project Manager
Enclosures
cc: Charles Gruenberg
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Page 1 of 7

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
SAMPLE SUMMARY
Project: PLI TOXICITY ABA
Pace Project No.: 92550471
Lab ID Sample ID Matrix Date Collected Date Received
92550471001 MO-1 Solid 06/29/2112:00 07/20/2111:45
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 2 of 7

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
PROJECT NARRATIVE
Project:
Pace Project No.:
Method:
Description:
Client:
Date:
This data package has been reviewed for quality and completeness and is approved for release.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 3 of 7

Document Name: Document Revised: October 28, 2020
Sample Condition Upon Receipt(SCUR) Page 1 of 2
duuAnalklicat, Document No.: Issuing Authority:
F-CAR•CS-033-Rev.07 Pace Carolinas quality Office
Laboratory receiving samples:
Asheville ❑ Eden❑ Greenwood ❑ Huntersville❑�^Raleigh❑ Mechanicsville❑ Atlanta[] Kernersville❑
Sample Condition Client Name:UpoWO# : 92550471
"Receipt{(-�!/ Project #
Co
LiCa
r, MFPd Fx 7111 pC f—li icpc
❑ Commercial ace []Other: 9Zg15047111
Custody Seal Present? ❑Yes ❑No seals Intact? []Yes ❑No _
Gate/Initials Person•ExamininWContent
PackingMaterial: f
❑bubble Wrap []Bubble Bags []None ❑ Other Biological Tissue Frozen?
Thermometer: ❑Yes []No ❑N/A
❑ IR Gun ID: l]`We ❑Brae ❑None
Type of Ice:
"- 92T064 Correction Factor.
Cooler Temp: Add/Subtract (°C) -0.1 Temp should be above freezing to VC
Cooler Temp Corrected ('C):
❑Samples out of temp criteria. Samples on ice, cooling process
� has begun
USDA Regulated Sail ( [] N/A, water sample)
Did samples originate in a quarantine zone within the United States: CA, NY, or SC (check maps)? Did samples originate from a Foreign source (internationally,
❑Yes QNo including Hawaii and Puerto Rico)? ❑Yes ..❑tvo
Comments/Discrepancy:
Chain of Custody Present?
[lies
[]NO
[]N/A
1-
mples Arrived within Hold Time?
❑yes
[:]No
❑N/A
2
[ShortHold Tlme Analysis (<72 hr.)?
❑Yes
No
❑N/A
3.
sh Turn Around Tlme Requested?
❑yes
[:]NO
❑N/A
4-
Sufficient Volume?
Dyes
❑No
❑N/A
S.
Correct Containers Used?
❑Yes
❑No
❑N/A
6.
-Pace Containers Used?
. es
❑No
❑N/A
Containers Intact?
❑yes
❑No
❑N/A
7.
Dissolved analysis: Samples Field Filtered?
[]yes
[-]No
N/A
9,
Sample Labels Match COC?
[]Yes
❑No
❑N/A
9.
-Includes Date/Time/ID/Analysis Matrix:
Headspace in VOA Vials (>5-6mm)?
❑Yes
[]No
❑N/A
10.
Trip Blank Present?
❑Yes
❑No
❑N/A
11,
Trip Blank Custody Seals Present?
❑Yes
[-]NO
❑N/A
COMMENTS/SAMPLE DISCREPANCY
CLIENT NQTIFICATION/RESOLUTION
Person Contacted:
Project Manager SCURF Review:
Date/Time:
Lot iD of split containers:
Date:
Field Data Required? Dyes ❑No
Project Manager SRF Review:
Dale:
Page 4 of 7

Document Name:
Document Revised: October 28, 2020
i ac8 a rca
Sample Conditjon Upon Receipt(SCUR)
Pace 2 of 2
Document No.:
Issuing Authority:
F-CAR-05-033-Rev.07
Pace Carolinas Quality Office
*Check mark top half of box if pH and/or dechlorination is
verified and within the acceptance range for preservation
samples.
Exceptions: VOA, Coliform, TOC, Oil and Grease, DRO/8015 (water) DOC, LLHg
* *B .tom_half_of_box_is_to-list_number_of_b.ottles—_ ........ __. _.__ _...
Project t WO# : 92550471
PM: ATF Due Date: 07/22/21
CLIENT: 92—HDR
_
O
a
D
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=
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pH Adjustment Log for Preserved Samples
sample ID
Type of Preservative
pH upon receipt
Date preservation adjusted
Time preservation
adjusted
Amount of Preservative
added
Lot #
Note; whenever there is a discrepancy affecting North Carolina compliance samples, a copy or this form will be sent to the North Carolina DEHNR Certification Office (i.e.
Out of hold, incorrect preservative, out of temp, incorrect containers.
Page 5 of 7

Pa 64ulytiral
CHAIWOF-CUSTODY Analytical Request Document
submM1ning a sample via this thaln of eustndy constitutes acknewledgmenl and acceptance of the. Pace Terms and
Conditions found at: https'/Pnfn,pacelabs.cnm/hubfs/pas standard-terms.pdf
Chain -of -Custody is a LEGAL DOCUMENT - Complete all relevant fields
USE ONLY- Affix Warkorder/Lagfn Label Here or List Pace Workorder Number or
MTJL Log4n Number Here
%A ti r: t•'1'{ 4- LI/ Billing Information:
Address , ALL BOLD OUTLINED AREAS are for LAB USE ONLY
r'_L ; ....�..�At
Repo To: ---.---_—__!, Container Preservative 7 e !ab Pro ect j Mana
7 } } Email To; ger:
''({ "Preservative Types: [?J nivie acid, (2[ sulFuNc acid, {3[ hydrochloric acid, (4J sodium hydroxide, (51 zinc acetate,
Copy To: Site Collection Info/Address: —
161 methanol, (7) sodium bisulfate, (8) sodium thiowlfate, (9) hexane, (A) ascorbic acid, (B1 ammonium sulfate,
IQ ammonium hydroxide, (D) TSP, (U} Unpreserved, (0) Other
Customer Project Name/Number: — State; County/City; Time Zone Collected:
Jl �r 7 , , � [ Analyses fah Prnfilen:
Phone: ?r*t(- } '? Site Facility ID At: '- -� _ PT MT }CT —]�T
Email—�j_�-7 Compliance Monitoring?
Collected B — _— _ [ 1 Yes ( ] No
Y (Print): -Purchase Order k : -- ----- j:'L'
DW PWS ID q:
— Quote tF' __ _ �W Location Cade:
Collected By (signature]: — Turnaround Date Required: — Immediately Packed on Ice;
Sample DisppsaJ: yes [ No
Rush: (Expedite Charges Apply[ field Entered (If applicable}:
[ 1 Dispose as appropriate
( J Return ] ] Same Day ( ] Next Day [ ]Yes J No `a
[ J Archive: [ 1 2 Day [ 13 Day ,
I J Hold: [ ] 4 Day [ ] 5 Day Analysis: ��
* Matrix Codes (Insert in Matrix box below): prinking Wa#— --er (DWI, C,round Water (GW) Wastewater (WWI,
_ ^
a T
Product (P), Sail/Solid (SL), Oil (OL), Wipe (WP), Air (AR), Tissue (TS), Bioassay (B), Vapor (V), Other (pT) LLA
Customer Sample 10 * Camp / Collected (or
Matrix Grab Cam Sit
Start) Composite End J
C€ Ctns m Kj �� t
Date Time Date Trme (�
u
Zf i z rr.
Customer Remarks/Special /Special Conditions :_: J
/Possible Hazards:
1 ! ` r8adchem
Used: Wet Blue Dry Norte
terial Used:mplefs) screened 1,500 CPm): Y N NA
(Signa� t �e) Date/��`-
SHORT HOLDS PRESENT 1<72 hours) : Y N N/A
Lab Tracking tt:
Samples received via: -
FEDEX UPS Client Courier Pace Courier
Dale/Time: MTJL LAB USE ONLY
_ Table t1;
Date/Time: „ CCtnum:
emplate:
{ + r login:
Date/Time: put•
" —e� aeceapL unacKiist:
stody Seals Present/intact Y N NA
study Signatures Present Y N NA
hector Signature Present Y N NA
ttles Intact Y N NA
rrect Bottles Y N NA
fficient volume Y N NA
mples Received on Ice Y N NA
A •- Headspace Acceptable Y N NA
DA Regulated Soils Y N NA
nples in Holding Time Y N NA
sidual Chlorine Present Y N NA
Strips:
nple pH Acceptable Y N NA
Strips:
Lfide Present Y N NA
id Acetate strips:
I USE ONLY;
I Sample # / Comments:
Sample Temperature
p Blank Received: Y N NA
rm TD#:
ler ]. Temp Upon Receipt: oC
ler I Therm Corr. Factor:— cC
ler 1 Corrected Temp: oC
nonts:
Trip Blank Received: Y N NA
HCL McOH TSP Other
Non Conformance(s): F
YES / NO
0

ACID -BASE ACCOUNTING
ABA.Rev. 0, Date 08-23-2018 (Form 1 of 1)
HDR ENGINEERING, INC.
Project ID: 00096619
Site ID: PIEDMONT LITHIUM_062421
PACE Job #: 92550471
Completed: 7/21 /2021
Approv,Qd By• T A KepnP p&parch Soil Scientist
aceAnalytical�
-As Referenced EPA Manual: EPA-600 / 2-78-054: Field and Laboratory Methods Aoolicable to Overburden and Minesoils - w/ H2O2
Pace
Sample
Number
Client
Sample
Identification
Sample
Collection
Date
Munsell
Soil
Color
Reaction
to
HCI
Total
%
Sulfur
Calcium Carbonate Equivalent in Tons 11000 Tons of Material
Paste
pH
(SU)
Potential
Acidity
Neutralization
Potential
Net Neutralizers
01
M0-1
6/29/2021
1 10 YR 8/1
3
< 0.01
0.31
313.75
313.44
1 12.6
Percent Sulfur by LECO Combustion IR Detection @ 1350'
Pace Analytical Services, LLC. P.O. Box 286, Beaver, WV 25813 800-999-0105 www.pacelabs.com Page 1 of 1 Page 7 of 7