Century Lithium Reports on Testing with Saltworks and Production of Battery Grade Lithium Carbonate

Century Lithium Reports on Testing with Saltworks and Production of Battery Grade Lithium Carbonate

Century Lithium Corp. (TSXV: LCE) (OTCQX: CYDVF) (Frankfurt: C1Z) (Century Lithium or the Company) is pleased to report testing results at Saltworks Technologies, Inc. (Saltworks) in Richmond Canada and additional production of high-purity lithium carbonate (Li 2 CO 3 ) using product solutions from the Company's Lithium Extraction Facility (Pilot Plant) in Amargosa Valley, Nevada USA. The solutions tested at Saltworks were derived from leaching of claystone from the Company's 100%-owned Clayton Valley Lithium Project (Project) in Nevada ; and processed at the Pilot Plant via direct lithium extraction (DLE) to produce an intermediate concentrated lithium solution (DLE eluent).

Century Lithium Reports on Testing with Saltworks & Production of Battery Grade Lithium Carbonate (CNW Group/Century Lithium Corp.)

"It is very positive to see consistency in our high-purity, 99.87%, lithium carbonate product grades from our Pilot Plant this year" stated Bill Willoughby , President, and CEO of Century Lithium. "The highlight though, is the almost five-fold increase in lithium grade in the concentrated lithium solution generated at the Pilot Plant. This was achieved through collaboration with Koch Technology Solutions and their Li-Pro TM system, and its integration into Century Lithium's chloride-based leaching process."

Highlights
  • Repeated production of high-purity (99.87%) battery-grade lithium carbonate
  • Improved lithium concentrations in DLE eluent
  • Reduced volume of solution in downstream treatment and recycling
  • Potential to eliminate evaporation from the post DLE process flowsheet
  • Active testing underway to further improve DLE eluent grade
Lithium Carbonate Assay Results

Saltworks has once again produced battery-grade lithium carbonate (Li 2 CO 3 ) from the DLE eluent produced at the Pilot Plant. The table below is a comparison of Saltworks' 2023 results for Li 2 CO 3 , DLE eluent Batch 2, with the previously reported results from DLE eluent Batch 1 (see May 25 , 2023 news release ). Also shown are the constituent levels for battery grade Li 2 CO 3, as published by two major producers. The assays results were finalized by Saltworks and independently assayed by SGS Canada, Inc. These results show consistency in composition of both the DLE eluent produced by the Pilot Plant earlier in the year and the resulting Li 2 CO 3 product produced by Saltworks, achieving 99.871% content versus 99.875% reported previously.

Li 2 CO 3 Assay Results


Century Li 2 CO 3

Batch 2 (August 2023)

Century Li 2 CO 3

Batch 1 (May 2023)

Reference Grades

Li 2 CO 3

wt%

99.871

99.875

>99.5

H 2 O

wt%

0.05

0.03

0.2 to

Na

wt%

0.027

0.047

0.03 to

Ca

wt%

0.012

0.009

0.01 to

Fe

Wppm

3

3

Al

Wppm

3

Cu

Wppm

3

Ni

Wppm

Zn

Wppm

13

Cl

wt%

0.01

0.008

Notes: wt% (weight percent), wppm (weight parts per million), calculated Li 2 CO 3 purity based on sum of impurities measured
above detection limit. Reference grades are from published specifications from two major producers of battery grade Li 2 CO 3

Lithium in DLE Eluent

As recently reported (see August 9, 2023 news release ), Century Lithium collaborated with Koch Technology Solutions (KTS), a Koch Engineered Solutions' (KES) company, and integrated KTS' Li-Pro TM system into the DLE stage of the Pilot Plant. This work has increased the grades of the DLE eluent (intermediate lithium product solution) several fold. These changes are outlined in the table below, as reported by analyses from Saltworks.

DLE Eluate Assay Results





Batch

1

2

3

4

5

Lithium (Li) (ppm)

1,430

1,610

1,885

3,970

6,780

Sodium (Na) (ppm)

22,400

25,850

24,150

19,100

8,220

Total dissolved solids (TDS) (ppm)

77,450

77,850

82,600

78,300

79,300

Li:TDS

0.018

0.021

0.023

0.051

0.085

Li:Na

0.064

0.062

0.078

0.208

0.825

Notes: DLE eluent for Batch 1 and 2 used to produce Li 2 CO 3 cited above.

Batches 1, 2 and 3 are DLE eluents produced during the first quarter of 2023. Li 2 CO 3 production was carried out to completion in batches 1 and 2 but the processing of Batch 3 was put on hold due to its similarity to batches 1 and 2 and the improvements seen in the grades of batches 4 and 5. These improvements in lithium grade from 1,430 parts per million (ppm) to 6,780 ppm, increase in the ratio of lithium to total dissolved solids (TDS) from 0.018 to 0.085, and reduction in sodium from 25,850 ppm to 8,220 ppm all occurred with the introduction of KTS' Li-Pro TM system into the DLE stage of the Company's Pilot Plant.

Implications for Lithium Carbonate Production

The increase in lithium (Li) grade and the Li:TDS ratio has positive implications for the size and costs of the lithium carbonate production portion of the lithium extraction process at the Project. Within the Saltworks flowsheet, these higher values equate to a lower volume of solution to be treated and a proportionate decrease in the amount of water that must be removed (evaporated) prior to lithium carbonate precipitation. This will also affect the recycled solutions within the lithium carbonate production stage by reducing the volume of solutions moved in this stage and other leaching areas of the processing plant.

The information derived from the Pilot Plant, including the test results from the combination of Century Lithium's DLE process and KTS' Li-Pro TM system, and recent component changes at the Saltworks laboratory, is supplemental to the Feasibility Study for the project. The design basis for the Feasibility Study was established at a Li:TDS ratio of 0.02.

The Saltworks flowsheet targets a lithium grade of 10,000 to 20,000 ppm (10-20 g/L) for precipitation. Work with KTS at the DLE stage at the Pilot Plant has seen preliminary, internally assayed, lithium solution grades of over 8,000 ppm in the DLE eluent. Work is continuing within the DLE area to further increase lithium grades in solution, creating the scope to reduce solution volumes and the potential to eliminate a major evaporation step from the process flowsheet. As a supplement to the Feasibility Study, the Company is pursuing these potential cost and size savings with Saltworks.

Moving Forward

Work on the Feasibility Study continued throughout the six months ended June 30, 2023 , with more than 20,000 consultant hours expended since its commencement. Following receipt of initial values from our consultants, Wood PLC and thyssenkrupp nucera, the Company is conducting internal reviews to assess optimization and cost reduction opportunities; work which is underway. In June 2023 , the Company engaged Kiewit Industrial Group in Lone Tree, Colorado to assist with the review of project designs and estimates with attention to site development, material and supply costs, and construction methods. One optimization opportunity, reducing or eliminating the use of thickeners for tailings separation in the process configuration, was implemented and is under trial at the Pilot Plant.

The Company's collaboration with KTS is underway, utilizing KTS' Li-Pro TM equipment in the DLE section of the Pilot Plant, where lithium is selectively recovered from the leach solution while deleterious elements are rejected. Testing with KTS is expected to continue through the 3 rd quarter while KTS collects information to prepare an engineering design and cost estimate for a full-scale deployment of Li-Pro TM system which will supplement the Company's Feasibility Study.

Qualified Person

Todd Fayram , MMSA-QP and Daniel Kalmbach , CPG, are the qualified persons as defined by National Instrument 43-101 and have approved the technical information in this release.

About Century Lithium Corp.

Century Lithium Corp. (formerly Cypress Development Corp.) is an advanced stage lithium company, focused on developing its 100%-owned Clayton Valley Lithium Project in west-central Nevada, USA . Century Lithium is currently in the pilot stage of testing on material from its lithium-bearing claystone deposit at its Lithium Extraction Facility in Amargosa Valley, Nevada and progressing towards completing a Feasibility Study and permitting, with the goal of becoming a domestic producer of lithium for the growing electric vehicle and battery storage market.

ON BEHALF OF Century Lithium CORP.
WILLIAM WILLOUGHBY , PhD., PE
President & Chief Executive Officer

centurylithium.com

NEITHER THE TSX VENTURE EXCHANGE NOR ITS REGULATION SERVICES PROVIDER ACCEPTS RESPONSIBILITY FOR THE ADEQUACY OR ACCURACY OF THE CONTENT OF THIS NEWS RELEASE.

Cautionary Note Regarding Forward-Looking Statements

This release includes certain statements that may be deemed to be "forward-looking statements". Forward-looking statements are subject to risks, uncertainties and assumptions and are identified by words such as " expects," "estimates," "projects," "anticipates," "believes," "could," "scheduled," and other similar words. All statements in this release, other than statements of historical facts, that address events or developments that management of the Company expects, are forward-looking statements. Although management believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance, and actual results or developments may differ materially from those in the forward-looking statements. The Company undertakes no obligation to update these forward-looking statements if management's beliefs, estimates or opinions, or other factors, should change. Factors that could cause actual results to differ materially from those in forward-looking statements, include market prices, exploration, and development successes, continued availability of capital and financing, and general economic, market or business conditions. Please see the public filings of the Company at   www.sedar.com   for further information.

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SOURCE Century Lithium Corp.

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FEASIBILITY STUDY HIGHLIGHTS

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Century Lithium Corp. (TSXV : LCE ) (OTCQX: CYDVF ) (Frankfurt: C1Z ) (Century Lithium or the Company) is pleased to announce the results of a National Instrument 43-101 (NI 43-101) feasibility study (Feasibility Study, FS or Study) completed on its 100% owned Clayton Valley Lithium Project (Project) in Nevada, USA . The Feasibility Study was prepared by Wood Group USA Inc. (Wood) and Global Resource Engineering, Ltd. (GRE). All currency amounts in this news release are presented in U.S. dollars.

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Century Lithium Provides Update on the Feasibility Study (CNW Group/Century Lithium Corp.)

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About Century Lithium Corp.

Century Lithium Corp. (formerly Cypress Development Corp.) is an advanced stage lithium company, focused on developing its 100%-owned Clayton Valley Lithium Project in west-central Nevada, USA . Century Lithium is currently in the pilot stage of testing on material from its lithium-bearing claystone deposit at its Lithium Extraction Facility in Amargosa Valley, Nevada and progressing towards completing a Feasibility Study and permitting, with the goal of becoming a domestic producer of lithium for the growing electric vehicle and battery storage market.

ON BEHALF OF Century Lithium CORP.
WILLIAM WILLOUGHBY , PhD., PE
President & Chief Executive Officer

NEITHER THE TSX VENTURE EXCHANGE NOR ITS REGULATION SERVICES PROVIDER ACCEPTS RESPONSIBILITY FOR THE ADEQUACY OR ACCURACY OF THE CONTENT OF THIS NEWS RELEASE.

Cautionary Note Regarding Forward-Looking Statements

This release includes certain statements that may be deemed to be "forward-looking statements". Forward-looking statements are subject to risks, uncertainties and assumptions and are identified by words such as " expects," "estimates," "projects," "anticipates," "believes," "could," "scheduled," and other similar words. All statements in this release, other than statements of historical facts, that address events or developments that management of the Company expects, are forward-looking statements. Although management believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance, and actual results or developments may differ materially from those in the forward-looking statements. The Company undertakes no obligation to update these forward-looking statements if management's beliefs, estimates or opinions, or other factors, should change. Factors that could cause actual results to differ materially from those in forward-looking statements, include market prices, exploration, and development successes, continued availability of capital and financing, and general economic, market or business conditions. Please see the public filings of the Company at www.sedar.com for further information.

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SOURCE Century Lithium Corp.

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Highlights

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Tranche 2 Placement

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Cleansing for secondary trading

The Company advises that the Shares issued under Tranche 1 have been issued without disclosure under Part 6D.2 of the Act in reliance on sections 708(8) and 708(11) of the Corporations Act 2001 (Cth) (Corporations Act).

In accordance with Section 708A(11) of the Corporations Act 2001, the Company confirms:

- the Shares under Tranche 1 are in a class of securities that are quoted securities;

- the Company lodged a prospectus with the Australian Securities and Investments Commission on 20 June 2025 (Prospectus);

- the Prospectus includes an offer of securities by the Company in the same class as the Shares issued under Tranche 1; and

- the offer under the Prospectus is and was open at the time of issue of the Shares under Tranche 1.

Accordingly, the T1 Placement Shares are eligible for immediate trading without on-sale restrictions.



About Lithium Universe Ltd:  

Lithium Universe Ltd (ASX:LU7) (FRA:KU00) (OTCMKTS:LUVSF), headed by industry trail blazer, Iggy Tan, and the Lithium Universe team has a proven track record of fast-tracking lithium projects, demonstrated by the successful development of the Mt Cattlin spodumene project for Galaxy Resources Limited.

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Source:
Lithium Universe Ltd

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Nominee

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About Fortune Minerals:
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Follow Fortune Minerals:
Click here to subscribe to Fortune's email list.

Click here to follow Fortune on LinkedIn.

@FortuneMineral on Twitter.

For further information please contact:
Fortune Minerals Limited  
Troy Nazarewicz
Investor Relations Manager
info@fortuneminerals.com
Tel: (519) 858-8188
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