Perseus Mining Limited ('Perseus' or the 'Company') (ASX/TSX:PRU) is pleased to announce that it has entered into a definitive agreement (the 'Arrangement Agreement') with Orca Gold Inc. ('Orca') (TSXV: ORG) to acquire all of the outstanding common shares of Orca (the 'Orca Shares') not already owned by Perseus. The acquisition will be by way of a statutory plan of arrangement under the Canada Business Corporations Act (the 'Orca Acquisition' or 'Arrangement').

HIGHLIGHTS

Perseus currently owns 15% of the Orca Shares and the holders of the other outstanding Orca Shares have been offered 0.56 Perseus shares for every Orca Share held.

Based on Perseus's last closing price1 , Perseus's offer implies consideration of approximately C$0.896 per Orca Share representing a premium of 62.9% to the last closing price of Orca Shares.

Total consideration to be paid by Perseus for 100% of Orca is C$215 million. This includes C$17 million in cash previously paid to acquire its initial 15% equity interest and C$198 million in Perseus shares2 to acquire the outstanding 85% equity interest.

Orca shareholders2 to own approximately 9.1% of the enlarged issued share capital of Perseus post the Orca Acquisition

Orca's Board of Directors unanimously recommends that the Orca shareholders vote in favour of the Orca Acquisition.

Orca's directors and officers and certain shareholders of Orca owning in aggregate approximately 37% of Orca's voting securities have entered into voting support agreements and have agreed to vote all the securities they own or control in favour of the Orca Acquisition.

For Perseus's shareholders, the Orca Acquisition is expected to be net asset value per share accretive and results in ownership of a robust, fully licenced development project located in a supportive mining jurisdiction that is capable of being developed into a large-scale, long-life gold mining operation.

Perseus's Managing Director and CEO Jeff Quartermaine said:

'The potential acquisition of Orca represents a very exciting growth opportunity for Perseus that aligns with our strategy of upgrading the size, quality and geographic distribution of our asset portfolio. We have the financial capacity, technical expertise, and in-country relationships, in combination with Orca's existing management team, to bring Orca's Block 14 Project into production and in the process, create material benefits for all stakeholders including the government and citizens of Sudan. When the transaction is completed, Perseus will have three operating mines currently producing gold at a rate of approximately 500,000 ounces per year and a high-quality development project that if brought on stream, as intended, should ensure that Perseus can maintain or exceed its targeted production level well into the next decade. With the objective of operating four mines, Perseus will be well advanced towards fulfilling its aim of becoming a highly profitable, well managed, pan-African gold company that consistently creates benefits for all stakeholders.'

Perseus has entered into a definitive agreement with Orca under which Perseus will acquire all of the issued and outstanding common shares of Orca not already owned by Perseus by way of a statutory plan of arrangement under the Canada Business Corporations Act. Perseus currently owns 39,092,233 Orca Shares representing approximately 15% of the outstanding Orca Shares. Pursuant to the terms of the Arrangement Agreement, all of the issued and outstanding Orca Shares that Perseus does not already own will be acquired by Perseus in exchange for Perseus common shares (the 'Perseus Shares') on the basis of 0.56 of a Perseus Share for every 1 Orca Share. Based on the Canadian dollar equivalent of the closing price of Perseus Shares on the Australian Stock Exchange (ASX)3 , this implies consideration of approximately C$0.896 per Orca Share for an implied total equity value of approximately C$233 million4 . The implied consideration represents a premium of 62.9% to the closing Orca Share price of C$0.55 on 25 February 2022. If consummated, the Orca Acquisition would result in Orca shareholders4 owning approximately 9.1% of the pro-forma Perseus Shares then outstanding.

TRANSACTION RATIONALE

The Orca Acquisition will deliver material benefits to both Perseus and Orca shareholders. For Perseus shareholders, the Orca Acquisition delivers the following: Aligns with Perseus's strategy of upgrading the size, quality and geographic distribution of its African focussed gold asset portfolio; Maintains Perseus's strong balance sheet while also limiting dilution with Orca shareholders4 owning approximately 9.1% of the pro-forma Perseus common shares outstanding; Expected to be net asset value per share accretive; Orca's 70% interest in the Block 14 Project provides Perseus with a large and scalable development gold project that is fully licenced, at an advanced stage of readiness for development and has further exploration and resource growth potential; Perseus has the financial capacity, technical expertise and in-country relationships to advance the Block 14 Project and is well-supported by local shareholders who collectively own 30% of the Block 14 Project; Perseus also gains an indirect interest in the very large, undeveloped Kone Gold Project located in northern Cote d'Ivoire approximately 150 kilometres due south of Perseus's Sissingue Gold Mine, through Orca's 31.4% interest in TSXV listed Montage Gold Corp ('Montage'); and Shareholders of both Perseus and Orca will benefit from the strength of the combined entity through a share-based transaction.

For Orca shareholders, the Orca Acquisition delivers several benefits including: Implied consideration of approximately C$0.896 per Orca Share5 representing a 62.9% premium to the last closing price of Orca Shares; Orca shareholders will gain continued exposure to Perseus's diversified portfolio of producing mines and development assets as well as the value created through the potential development of the Block 14 Project; and Perseus has the financial capacity to unlock the value of the Block 14 Project

Orca is a TSXV listed gold developer focused on the acquisition, exploration and development of mineral properties in Africa. Orca's main asset is a 70% interest in the Block 14 Project that is located in northern Sudan near the border with Egypt. Please refer to Orca's website at www.orcagold.com or under Orca's profile on SEDAR at www.sedar.com for information in relation to the Mineral Resource and Reserve estimates prepared by Orca for the Block 14 Project. Orca also announced completion of a feasibility study in accordance with National Instrument 43-101 ('NI 43-101') on the Block 14 Project on September 14, 2020. The Block 14 Project is a large and scalable resource with a Mineral Resource Estimate6 consisting of an Indicated resource of 79.9Mt grading 1.3g/t Au for 3.3Moz Au and an Inferred Resource of 18.5Mt grading 1.2g/t Au for 0.7Moz Au. The Block 14 Project has a Probable Mineral Reserve Estimate6 of 79.9Mt grading 1.1g/t Au for 2.9Moz Au. Orca also owns a 31.4% interest in TSXV listed Montage which announced completion of a feasibility study at its cornerstone Kone Gold Project, located in Cote d'Ivoire, on February 14, 2022 in accordance with NI 43-101. Please refer to Montage's website for information relating to the Mineral Resource estimates completed by Montage on the Kone Gold Project.

Caution Regarding Forward Looking Information:

This report contains 'forward-looking information' and 'forward-looking statements' which are based on the assumptions, estimates, analysis and opinions of management made in light of its experience and its perception of trends, current conditions and expected developments, as well as other factors that management of the Company believes to be relevant and reasonable in the circumstances at the date that such statements are made, but which may prove to be incorrect. Forward-looking statements include statements that are predictive in nature, depend upon or refer to future events or conditions, or include words such as 'expects', 'anticipates', 'plans', 'believes', 'estimates', 'seeks', 'intends', 'targets', 'projects', 'forecasts', or negative versions thereof and other similar expressions, or future or conditional verbs such as 'may', 'will', 'should', 'would' and 'could'. Forward-looking information contained herein includes, but is not limited to: the consummation and timing of the Orca Acquisition; the strengths, characteristics and potential of the Company following the Orca Acquisition; timing, receipt and anticipated effect of the court, shareholder and regulatory approvals; discussion of future plans, projects, objectives, estimates and forecasts and the timing related thereto. Assumptions have been made by the Company regarding, among other things: the price of gold; the impact of the COVID-19 pandemic; the receipt of required governmental approvals; the ability to satisfy the terms and conditions precedent of the Arrangement Agreement; the ability to obtain required shareholder, court and regulatory approvals in connection with the Orca Acquisition; the accuracy of capital and operating cost estimates; the ability of the Company to operate in a safe, efficient and effective manner and; the ability of the Company to obtain financing as and when required and on reasonable terms. Readers are cautioned that the foregoing list is not exhaustive of all factors and assumptions which may have been used by the Company. Although management believes that the assumptions made by the Company and the expectations represented by such information are reasonable, there can be no assurance that the forward-looking information will prove to be accurate. Forward-looking information involves known and unknown risks, uncertainties, and other factors which may cause the actual results, performance or achievements of the Company to be materially different from any anticipated future results, performance or achievements expressed or implied by such forward-looking information. Such factors include, among others, the actual market price of gold, the actual results of current exploration, the actual results of future exploration, changes in project parameters as plans continue to be evaluated, failure to receive the required shareholder, court and regulatory approvals for the Orca Acquisition, changes in laws, regulations and practices, the impact of the COVID-19 pandemic, the geopolitical, economic, permitting and legal climate that the Company and Orca operate in, the potential of a third party making a superior proposal, exercise of termination rights under the Arrangement Agreement, as well as those factors disclosed in the Company's publicly filed documents. The Company believes that the assumptions and expectations reflected in the forward-looking information are reasonable. Readers should not place undue reliance on forward-looking information. Perseus does not undertake to update any forward-looking information, except in accordance with applicable securities laws.

Contact:

REGISTERED OFFICE

Level 2

437 Roberts Road

Subiaco WA 6008

Telephone: +61 8 6144 1700

Email: IR@perseusmining.com

WEB: WWW.PERSEUSMINING.COM

Jeff Quartermaine

Managing Director & CEO

E: jeff.quartermaine@perseusmining.com

Media

Nathan Ryan

T: +61 420 582 887

E: nathan.ryan@nwrcommunications.com.au

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