STAR - ORION SOUTH DIAMOND PROJECT TECHNICAL UPDATE AND FUTURE OUTLOOK

TSX: DIAM

Star Diamond Corporation (TSX: DIAM) ("Star Diamond" or the "Company") is pleased to announce that, subsequent to the recently announced transaction with Rio Tinto Exploration Canada Inc. ("RTEC") whereby Star Diamond has agreed to acquire all of RTEC's interest in the Fort à la Corne Joint Venture Star Diamond's technical team is once again now focussed on the technical investigation and evaluation of the Star Orion South Diamond Project, with the aim of a future development decision. The initial work aims to prepare a revised Mineral Resource estimate for the Star Orion South Diamond Project, which will form the foundation of an updated Pre-Feasibility ("PFS") study.  The PFS study will enable a Feasibility Study, on which a production decision can be based.

Star Diamond Corporation Logo (CNW Group/Star Diamond Corporation)

Highlights
  • The revised Mineral Resource estimate for the Star and Orion South kimberlites will integrate Star trench cutter diamond data, adding improvement to the diamond size frequency curves for both kimberlites.
  • The mitigation of risk in the Orion South diamond price estimate: the 2018 Preliminary Economic Assessment(" PEA") demonstrated that it is economically efficient to mine the Orion South kimberlite first. However, Orion South has a significantly smaller evaluation diamond parcel than Star, adding some risk to the diamond price estimate for Orion South. We believe there is opportunity to mitigate the risk in the Orion South diamond price estimate, without the necessity of additional bulk sampling to obtain a larger diamond evaluation parcel.
  • The scoping of an updated PFS is scheduled to commence early in Q1 2024.
  • These developments will likely give rise to the ability to complete the updated PFS within a two-year time frame and the Feasibility Study shortly thereafter. We anticipate these major studies will be completed at a substantially lower expenditure level than was previously contemplated.
Revised Mineral Resource Estimate

The aim of the revised mineral resource estimate is to integrate all of the drilling and diamond results recently generated by the Fort à la Corne Joint Venture , with archival data used to build the geological model, which forms the basis of the mineral resource estimate.  Importantly, the diamond parcels recovered from the ten Trench Cutter ("TC") holes drilled on the Star kimberlite were recovered in an efficient, modern Bulk Sampling Plant ("BSP") that ensures excellent diamond liberation and recovery. The BSP includes High Pressure Grinding Rolls that ensure liberation of the small diamonds (1-6 millimetre) locked in kimberlite, that are subsequently recovered by an efficient Dense Media Separator that operates in the same narrow 1 to 6 millimetre size range. The small diamonds (+1, +3 and +5 DTC) from the Early Joli Fou ("EJF") kimberlite unit of both Star and Orion South include significant proportions of D coloured octahedral diamonds, which have significant value ( US$30 - US$50 per carat), which is unusually high for these small diamonds. The integration of the TC diamond data in the evaluation parcel aims to strengthen the diamond grade and price used in the Mineral Resource estimate. The aim of this work is to prepare a rigorously constrained Mineral Resource estimate by the end of Q2 2024. This revised Mineral Resource estimate will provide an improved foundation for the revised PFS.

Orion South Diamond Price

Orion South has shallower overburden (Orion South 100 metres, Star 140 metres) and higher diamond grade (Orion South 17 cpht, Star 10 cpht) kimberlite in direct contact with overburden, both of which ensure more rapid access to cash flow after overburden removal in a future mine. Consequently, the PEA demonstrated that it is economically efficient to mine Orion South first. However, there is a significant difference in the size of the evaluation diamond parcels recovered from the EJF, the principal economic unit in both Star and Orion South. The Orion South evaluation parcel includes only 1,399 carats, as opposed to the Star EJF parcel of 7,122 carats. In order to commence mining on Orion South, the risk associated with the estimation of diamond price on a smaller evaluation parcel needs to be mitigated.  We believe that the close similarities of the kimberlite geology and diamond parcel characteristics for Star and Orion South can enable better estimation of the Orion South diamond price. We have developed a plan to conduct an in-depth investigation of the extent of similarities between the Star and Orion South EJF diamond populations, with the aim of mitigating the risk in the estimation of the diamond price for the Orion South EJF diamond parcel. The goal of this investigation is to accurately estimate the Orion South diamond price without the requirement of additional bulk sampling, which is both expensive and time consuming. The confidence generated in the Orion South diamond price will add to the precision of the mineral resource estimate.

Updated PFS

The scoping of an updated PFS is scheduled to commence early in 2024 with the initial work focussed on updating the hydrogeology and geotechnical models, in addition to the management of fines in plant process water. Changes in environmental legislation, since the PEA, require that deep groundwater pumped from the Mannville sediments to stabilize the open pits of a future mine will require a revised method of disposal. Geotechnical work will focus on the engineering of pit slopes, particularly in parts of the overburden, to ensure steeper pit slopes and, consequently, a significant reduction in overburden removal. The processing of some Orion South kimberlite results in plant process water from which the fines do not settle quickly or easily. Investigations will be made into the mechanical separation of the fines and the future of a fines management area, as this will minimize the use of "tailings ponds". Significant parts of the work completed for the 2018 PEA, including the mining method, process plant design, site layout and infrastructure, can be updated and incorporated into the updated PFS.

Senior VP Corporate Development Star Diamond, George Read , states: "The revised mineral resource estimate will potentially provide an improved foundation on which a well constrained updated PFS can be built. It is estimated that some $3 million in flow-through funding is required for 2024 to cover the revised resource estimate, the technical team expenses, scoping of the PFS, overall site management and environmental compliance. An additional financing of at least $3 to $5 million is required to cover the costs of the updated engineering work required by the PFS in the latter part of 2024 and early 2025."

RTEC Transaction

Star Diamond and RTEC have entered into an agreement dated November 28, 2023 (the "Agreement") which provides, subject to the terms and conditions set forth therein, for Star Diamond's acquisition of RTEC's interest in the Fort à la Corne Joint Venture . Completion of the transactions contemplated by the Agreement is subject to various closing conditions including receipt of all required Governmental approvals and the approval of the Toronto Stock Exchange for the issuance of additional common shares of Star Diamond to RTEC.

All technical information in this press release has been prepared under the supervision of George Read, Senior Technical Advisor to Star Diamond, a registered Professional Geoscientist in the Provinces of Saskatchewan and British Columbia and Mark Shimell, Project Manager, a registered Professional Geoscientist in the Province of Saskatchewan and Alberta , who are the Corporation's "Qualified Persons" under the definition of NI 43-101.

About Star Diamond Corporation

Star Diamond is a Canadian-based corporation engaged in the acquisition, exploration and development of mineral properties. Shares of Star Diamond trade on the Toronto Stock Exchange under the trading symbol "DIAM". Star Diamond's most significant asset is its interest in the Fort à la Corne property in central Saskatchewan. These kimberlites are located in close proximity to established infrastructure, including paved highways and the electrical power grid, which provide significant advantages for future mine development.

For further information, please contact:

Phone: (306) 664-2202
Email: stardiamondcorp@stardiamondcorp.com
Website www.stardiamondcorp.com

Stay Connected with Us:

Twitter: https://twitter.com/StarDiamondCorp
LinkedIn: https://www.linkedin.com/company/star-diamond-corp
Facebook: https://www.facebook.com/people/Star-Diamond-Corp/100058096376664/
Instagram: https://www.instagram.com/stardiamondcorp/

Caution Regarding Forward-looking Statements

This press release contains "forward-looking statements" and/or "forward-looking information" (collectively, "forward-looking statements") within the meaning of applicable securities legislation. All statements, other than statements of historical fact, are forward-looking statements. The use of any of the words "anticipate", "plan", "aim", "target", "contemplate", "continue", "estimate", "expect", "intend", "propose", "might", "may", "will", "shall", "project", "should", "could", "would", "believe", "predict", "forecast", "pursue", "potential", "possible", "capable" and similar expressions are intended to identify "forward-looking statements. Forward-looking statements in this press release include, but are not limited to, expectations regarding the completion of the transactions that are the subject of the Agreement and the Project's potential to be a significant contributor to both the local communities and the broader Saskatchewan economy.

These forward-looking statements are based on Star Diamond's current beliefs as well as assumptions made by and information currently available to it and involve inherent risks and uncertainties, both general and specific. Risks exist that forward-looking statements will not be achieved due to a number of factors including, but not limited to, the impact of changes in the laws and regulations regulating mining exploration, development, closure, judicial or regulatory judgments and legal proceedings and the additional risks described in Star Diamond's most recently filed Annual Information Form, annual and interim MD&A.

Although management of Star Diamond considers the assumptions contained in forward-looking statements to be reasonable based on information currently available to Star Diamond , those assumptions may prove to be incorrect. When making decisions with respect to Star Diamond , investors and others should not place undue reliance on these statements and should carefully consider the foregoing factors and other uncertainties and potential events.

Star Diamond does not undertake any obligation to release publicly revisions to any forward-looking statement to reflect events or circumstances after the date of this release, or to reflect the occurrence of unanticipated events, except as may be required under applicable securities laws. Investors should not assume that any lack of update to a previously issued forward-looking statement constitutes a reaffirmation of that statement. Continued reliance on forward-looking statements is at investors' own risk.

SOURCE Star Diamond Corporation

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STAR DIAMOND CORPORATION COMPLETES ACQUISITION OF RIO TINTO'S 75% INTEREST IN FORT À LA CORNE JOINT VENTURE

TSX: DIAM

Star Diamond Corporation (" Star Diamond ") today announced the completion of its previously announced transaction (the " Transaction ") with Rio Tinto  Exploration Canada Inc. (" RTEC ") whereby RTEC has transferred to Star Diamond all of RTEC's 75% interest in the Fort à la Corne diamond project located in central Saskatchewan (the " Project "). Star Diamond now owns 100% of the Project.

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STAR DIAMOND CORPORATION ANNOUNCES 2023 YEAR END RESULTS

TSX: DIAM

Star Diamond Corporation ("Star Diamond" or the "Company") reports that the audited financial results for the year ended December 31, 2023 will be filed today on SEDAR+ and may be viewed at www.sedarplus.ca once posted.

Star Diamond Logo (CNW Group/Star Diamond Corporation)

Overview
Star Diamond Corporation is a Canadian natural resource company focused on exploring and developing Saskatchewan's diamond resources. Star Diamond currently holds, through a joint venture arrangement with Rio Tinto Exploration Canada Inc. ("RTEC"), a wholly-owned subsidiary of Rio Tinto plc, a 25% interest in certain mineral properties (which include the Star – Orion South Diamond Project, or the "Project") within the Fort à la Corne diamond district of central Saskatchewan, Canada . These properties are in close proximity to established infrastructure, including paved highways and the electrical power grid, which provide significant advantages for future mine development.

The Company also holds a 50% interest in the exploration and evaluation properties and assets of the Buffalo Hills JV located in north-central Alberta, Canada . Canterra Minerals Corporation ("Canterra") holds the remaining 50% interest. Canterra is the operator of the Buffalo Hills JV.

Fort à la Corne mineral properties
On November 28, 2023 , the Company entered into a binding agreement (the "Agreement") with RTEC, providing for the transfer by RTEC to Star Diamond all of RTEC's 75% interest in the Project.

The Agreement provides that, upon closing:

  • RTEC will transfer to Star Diamond all of RTEC's 75% interest in the Project, such that the Project will be 100% owned by Star Diamond ;
  • RTEC will transfer to Star Diamond ownership of the trench cutter drill rig used by RTEC to complete its prior bulk sampling program at the Project;
  • RTEC will transfer to Star Diamond the Bulk Sample Plant located at the Project, including the TOMRA XRT diamond sorting machine that is on-site;
  • Star Diamond will issue to RTEC and/or an affiliate that number of common shares of Star Diamond that results in RTEC and its affiliates owning 19.9% of the then outstanding common shares of Star Diamond (RTEC and its affiliates currently own approximately 2.3% of Star Diamond's outstanding common shares); and
  • RTEC and Star Diamond will enter into an Investor Rights Agreement whereby, among other things, RTEC will be granted certain pre-emptive rights to maintain its 19.9% ownership interest in Star Diamond in connection with future financings undertaken by Star Diamond , and RTEC will agree to certain standstill protections provided that RTEC will have the right to increase its 19.9% ownership position in the event that Star Diamond receives an acquisition proposal.

Upon completion of the transactions that are the subject of the Agreement, Star Diamond will have full control and responsibility for the Project, the existing joint venture agreement between RTEC and Star Diamond will terminate, and Star Diamond will release and indemnify RTEC for liabilities arising from or relating to the Project, all in exchange for a $4 million payment from RTEC to Star Diamond . RTEC has agreed that it will provide on Star Diamond's behalf, for up to five years following closing, letters of credit in the aggregate amount of no more than $9.9 million to secure certain environmental remediation and reclamation obligations related to the Project. Star Diamond will be obliged to repay any amounts drawn on these letters of credit and such repayment obligations will be secured against the Project and its assets.

As of the date of this News Release, the Agreement is expected to close in the near future.

Recent activities relating to the Star - Orion South Diamond Project and Fort à la Corne mineral properties
During the first quarter of 2024, Star Diamond continued to work with RTEC and Saskatchewan Ministry of Environment representatives to ensure an orderly close to the Agreement between Star Diamond and RTEC.

Year End Results
For the year ended December 31, 2023 , the Company recorded a net loss of $2.8 million or $0.01 per share (basic and fully diluted) compared to a net loss of $68.8 million or $0.15 per share in 2022. The decrease in net loss year over year was due primarily to the prior year's impairment charge of $66.3 million combined with the mark-to-market loss on the Wescan investment offset by the elimination of the $0.9 million contingent consideration.

At December 31, 2023 , the Company had $0.6 million (2022 – $2.6 million ) in cash and cash equivalents and a working capital deficit of $(0.3) million (2022 - $2.0 million ). The decrease in working capital was a result of administrative and exploration and evaluation expenditures offset by proceeds received from the December 2023 private placement. Subsequent to December 31, 2023 , the Company closed the second and final tranche of a non-brokered private placement. However, the ability of the Company to continue as a going concern and fund its expenses in an orderly manner will require additional forms of financings.

Selected financial highlights include:

Condensed Consolidated Statements of Financial Position

As at

December 31,

2023

As at

December 31,

2022

Current assets

$    0.6 M

$    2.7 M

Exploration and evaluation, investments and other assets

0.6 M

0.4 M

Current liabilities

0.9 M

0.7 M

Non-current liabilities

0.1 M

0.0 M

Shareholders' equity

0.2 M

2.4 M




Consolidated Statements of Loss

Year Ended
December 31,

2023

Year Ended
December 31,

2022

Expenses

$ 3.0 M

$ 3.0 M

Loss before undernoted items

(3.0)M

(3.0)M

Investment in Wescan Goldfields Inc.

(0.0)M

(0.4)M

Contingent consideration

0.0 M

0.9 M

Impairment charge

0.0 M

(66.3)M

Net loss for the year

(3.0)M

(68.8)M

Net loss per share for the year (basic and diluted)

(0.01)

(0.15)




Condensed Consolidated Statements of Cash Flows

Year Ended
December 31,

2023

Year Ended
December 31,

2022

Cash flows used in operating activities

$  (2.3)M

$  (4.9)M

Cash flows from investing activities

0.0 M

0.6 M

Cash flows from financing activities

0.2 M

5.7 M

Net increase (decrease) in cash

(2.1)M

1.3 M

Cash – beginning of year

2.6 M

1.3 M

Cash – end of year

0.6 M

2.6 M

Outlook
Fort à la Corne mineral properties
Subsequent to the successful close of the Agreement with RTEC, Star Diamond's technical team will focus on the technical investigation and evaluation of the Star – Orion South Diamond Project, with the goal of a future development decision. The initial work aims to prepare a revised Mineral Resource estimate for the Star – Orion South Diamond Project, which will form the foundation of an updated Prefeasibility study(" PFS"). The PFS will enable a Feasibility Study, on which a production decision can be based.

Buffalo Hills mineral properties
Management continues to review the recent results from the diamond valuation and typing analysis. A more detailed update on activities at the Buffalo Hills JV will be provided as it becomes available.

About Star Diamond Corporation
Star Diamond Corporation is a Canadian based corporation engaged in the acquisition, exploration and development of mineral properties. Shares of Star Diamond trade on the Toronto Stock Exchange under the trading symbol "DIAM". Star Diamond currently holds, through a joint venture arrangement with RTEC, a 25% interest in the Project. The Project is located in central Saskatchewan , in close proximity to established infrastructure, including paved highways and the electrical power grid, which provide significant advantages for future mine development. The Company also holds a 50% interest in the exploration and evaluation properties and assets of the Buffalo Hills JV located in north-central Alberta, Canada . Canterra holds the remaining 50% interest and is the operator of the Buffalo Hills JV.

Technical Information
All technical information in this press release has been prepared under the supervision of George Read , Senior Vice President Corporate Development, Professional Geoscientist in the Provinces of Saskatchewan and British Columbia and Mark Shimell , Vice President Exploration, Professional Geoscientist in the Provinces of Saskatchewan and Alberta , who are the Company's "Qualified Persons" under the definition of NI 43-101.

Stay Connected with Us:
Twitter: https://twitter.com/StarDiamondCorp
LinkedIn: https://www.linkedin.com/company/star-diamond-corp
Facebook: https://www.facebook.com/people/Star-Diamond-Corp/100058096376664/
Instagram: https://www.instagram.com/stardiamondcorp/

Caution Regarding Forward-looking Statements

This press release contains "forward-looking statements" and/or "forward-looking information" (collectively, "forward-looking statements") within the meaning of applicable securities legislation. Generally, these forward-looking statements can be identified by the use of forward-looking terminology such as "plans", "expects" or "does not expect", "is expected", "budget", "scheduled", "estimates", "forecasts", "intends", "anticipates" or "does not anticipate" or "believes", or the negative connotation thereof or variations of such words and phrases or state that certain actions, events or results, "may", "could", "would", "will", "might" or "will be taken", "occur" or "be achieved" or the negative connotation thereof. All statements, other than statements of historical fact, are forward-looking statements.

These forward-looking statements are based on Star Diamond's current beliefs as well as assumptions made by and information currently available to Star Diamond and involve inherent risks and uncertainties, both general and specific. Risks exist that forward-looking statements will not be achieved due to a number of factors including, but not limited to, statements regarding Rio Tinto Canada, the Company's ability to obtain financing to further the exploration, evaluation and/or development of exploration and evaluation properties in which the Company holds interest, the economic feasibility of any future development projects, developments in world diamond markets, changes in diamond prices, risks relating to fluctuations in the Canadian dollar and other currencies relative to the US dollar, the impact of changes in the laws and regulations regulating mining exploration, development, closure, judicial or regulatory judgments and legal proceedings, operational and infrastructure risks and the additional risks described in Star Diamond's most recently filed Annual Information Form, and annual and interim MDA.

Although the Company has attempted to identify important factors that could cause actual results to differ materially from those contained in forward-looking statements, there may be other factors that cause results not to be as anticipated, estimated or intended. There can be no assurance that such statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements. In addition, forward-looking statements are provided solely for the purpose of providing information about management's current expectations and plans and allowing investors and others to get a better understanding of our operating environment. Accordingly, readers should not place undue reliance on forward-looking statements.

Forward-looking statements in this news release are made as of the date hereof and Star Diamond assumes no obligation to update any forward-looking statements, except as required by applicable laws.

SOURCE Star Diamond Corporation

Cision View original content to download multimedia: http://www.newswire.ca/en/releases/archive/March2024/25/c1142.html

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