NEW GOLD EXPANDS OPEN PIT AND UNDERGROUND MINERALIZATION AT RAINY RIVER, DEMONSTRATES STRONG SUPPORT FOR MINERAL RESOURCES GROWTH

On the first exploration component, diamond drilling conducted from surface and from underground confirmed the extension of gold mineralization along strike at Intrepid and down-plunge at the ODM East and 17 East zones at UG Main. At Intrepid, new drill intersections locally extend the mineralized envelope by approximately 100 metres towards the east, which has the potential to add underground reserves and increase the gold ounces per level. At UG Main, five boreholes intersected gold mineralization at a depth of up to 850 metres below surface, extending the resource envelopes down-plunge and confirming continuity of existing ore zones. All zones remain open at depth. The new diamond drilling results are expected to have a positive impact on underground resources at year-end.

Additionally, diamond drilling conducted from the underground ramp between Intrepid and UG Main intersected new gold mineralization. UG Main and Intrepid deposits are interpreted to occur along the same stratigraphic units. However, the 1,000-metre strike length between the two deposits remained mostly undrilled prior to this year. Borehole RRUG24-0007 intersected gold-bearing sulphide mineralization grading 3.59 g/t gold over 4.50 metres core length (3 metre estimated true width), above current underground cut-off grade and minimum mining width (Figure 3). Additional underground drilling will focus on exploring the extents of this new mineralized area. All new notable diamond drilling intercepts from Intrepid, ODM East, 17 East, and Gap Area exploration programs are summarized in Tables 1 and 3, and Figure 1 below.

The third exploration component is to define near-surface mineral resources with the potential to be mined by open pit methods. On review of historical exploration data and following the successful addition of Phase 5 open pit mineral reserves at year-end 2023, high-quality targets were identified, of which the NW-Trend, or Western Zone, and 280 Zone were prioritized for RC drilling in 2024.
The recently completed RC drilling program proved successful in demonstrating the near-surface continuity of the targeted gold-mineralized zones. High-grade gold intersections at NW-Trend confirms the continuity of high-grade gold zones intersected in historical diamond boreholes. At 280 Zone, several gold-mineralized intersections over 10 metres wide within the first 100 metres below surface confirmed the up-dip continuity of deeper gold zones intersected in historical diamond boreholes. While the economic viability of these targets is currently under evaluation, further extension of open pit mining has the potential to defer reclaim of the low-grade stockpile and improve the long-term gold production profile.
All notable results from the RC drilling campaign are summarized in Tables 2 and 4, and Figure 2 below.

Table 1: Notable Exploration Drilling Results at Rainy River Underground1, 2

Table 2: Notable Near-Surface RC Drilling Results at Rainy River1,2

Table 3: All New Exploration Diamond Drilling Location and Orientation at Rainy River

Table 4: Drilling Location and Orientation of Rainy River RC Drilling

About New Gold

New Gold is a Canadian-focused intermediate mining company with a portfolio of two core producing assets in Canada, the Rainy River gold mine and the New Afton copper-gold mine. The Company also holds other Canadian-focused investments. New Gold's vision is to build a leading diversified intermediate gold company based in Canada that is committed to the environment and social responsibility. For further information on the Company, visit .

Cautionary Note Regarding Forward-Looking Statements

Certain information contained in this news release, including any information relating to New Gold's future financial or operating performance are "forward-looking". All statements in this news release, other than statements of historical fact, which address events, results, outcomes or developments that New Gold expects to occur are "forward-looking statements". Forward-looking statements are statements that are not historical facts and are generally, but not always, identified by the use of forward-looking terminology such as "plans", "expects", "is expected", "budget", "scheduled", "targeted", "estimates", "forecasts", "intends", "anticipates", "projects", "potential", "believes" or variations of such words and phrases or statements that certain actions, events or results "may", "could", "would", "should", "might" or "will be taken", "occur" or "be achieved" or the negative connotation of such terms. Forward-looking statements in this news release include, among others, statements with respect to: expectations regarding exploration results having a positive impact on the mineral resource estimate at year-end, successfully providing high-quality targets for the coming years and confirming the upside potential remaining at the Rainy River operations; successfully finding additional underground reserves close to existing infrastructure, increased gold ounces per level and additional open pit reserves at Rainy River; the potential for finding and taking advantage of additional open pit and underground mining opportunities at Rainy River; intentions to allocate additional funds to the 2024 Rainy River exploration program and expected use of and benefit of funds; anticipated future success of the Company, including adding value through exploration and successfully generating sustained free cash flow moving forward; anticipated focus areas and priorities for the Company's exploration program and planned exploration activities; successfully accessing a newly discovered mineralized zone from existing underground development at Rainy River; successfully extending open pit mining, deferring reclaim of the low-grade stockpile and improving the long-term gold production profile at Rainy River; and successfully advancing the Company's strategic opportunities for mine life extension.

All forward-looking statements in this news release are based on the opinions and estimates of management that, while considered reasonable as at the date of this press release in light of management's experience and perception of current conditions and expected developments, are inherently subject to important risk factors and uncertainties, many of which are beyond New Gold's ability to control or predict. Certain material assumptions regarding such forward-looking statements are discussed in this news release, New Gold's latest annual MD&A, its most recent annual information form and technical reports on the Rainy River Mine and New Afton Mine filed on SEDAR+ at and on EDGAR at . In addition to, and subject to, such assumptions discussed in more detail elsewhere, the forward-looking statements in this news release are also subject to the following assumptions: (1) there being no significant disruptions affecting New Gold's operations, including material disruptions to the Company's supply chain, workforce or otherwise; (2) political and legal developments in jurisdictions where New Gold operates, or may in the future operate, being consistent with New Gold's current expectations; (3) the accuracy of New Gold's current Mineral Reserve and Mineral Resource estimates and the grade of gold, silver and copper expected to be mined and the grade of gold, copper and silver expected to be mined; (4) the exchange rate between the Canadian dollar and U.S. dollar, and commodity prices being approximately consistent with current levels and expectations for the purposes of 2024 guidance and otherwise; (5) prices for diesel, natural gas, fuel oil, electricity and other key supplies being approximately consistent with current levels; (6) equipment, labour and materials costs increasing on a basis consistent with New Gold's current expectations; (7) arrangements with First Nations and other Indigenous groups in respect of the Rainy River Mine being consistent with New Gold's current expectations; (8) all required permits, licenses and authorizations being obtained from the relevant governments and other relevant stakeholders within the expected timelines and the absence of material negative comments or obstacles during any applicable regulatory processes; and (9) the results of the life of mine plan for the Rainy River Mine described herein being realized.

Forward-looking statements are necessarily based on estimates and assumptions that are inherently subject to known and unknown risks, uncertainties and other factors that may cause actual results, level of activity, performance or achievements to be materially different from those expressed or implied by such forward-looking statements. Such factors include, without limitation: price volatility in the spot and forward markets for metals and other commodities; discrepancies between actual and estimated production, between actual and estimated costs, between actual and estimated Mineral Reserves and Mineral Resources and between actual and estimated metallurgical recoveries; equipment malfunction, failure or unavailability; accidents; risks related to early production at the Rainy River Mine, including failure of equipment, machinery, the process circuit or other processes to perform as designed or intended; the speculative nature of mineral exploration and development, including the risks of obtaining and maintaining the validity and enforceability of the necessary licenses and permits and complying with the permitting requirements of each jurisdiction in which New Gold operates, including, but not limited to: uncertainties and unanticipated delays associated with obtaining and maintaining necessary licenses, permits and authorizations and complying with permitting requirements; changes in project parameters as plans continue to be refined; changing costs, timelines and development schedules as it relates to construction; the Company not being able to complete its construction projects at the Rainy River Mine or the New Afton Mine on the anticipated timeline or at all; volatility in the market price of the Company's securities; changes in national and local government legislation in the countries in which New Gold does or may in the future carry on business; compliance with public company disclosure obligations; controls, regulations and political or economic developments in the countries in which New Gold does or may in the future carry on business; the Company's dependence on the Rainy River Mine and New Afton Mine; the Company not being able to complete its exploration drilling programs on the anticipated timeline or at all; inadequate water management and stewardship; tailings storage facilities and structure failures; failing to complete stabilization projects according to plan; geotechnical instability and conditions; disruptions to the Company's workforce at either the Rainy River Mine or the New Afton Mine, or both; significant capital requirements and the availability and management of capital resources; additional funding requirements; diminishing quantities or grades of Mineral Reserves and Mineral Resources; actual results of current exploration or reclamation activities; uncertainties inherent to mining economic studies including the Technical Reports for the Rainy River Mine and New Afton Mine; impairment; unexpected delays and costs inherent to consulting and accommodating rights of First Nations and other Indigenous groups; climate change, environmental risks and hazards and the Company's response thereto; ability to obtain and maintain sufficient insurance; actual results of current exploration or reclamation activities; fluctuations in the international currency markets and in the rates of exchange of the currencies of Canada, the United States and, to a lesser extent, Mexico; global economic and financial conditions and any global or local natural events that may impede the economy or New Gold's ability to carry on business in the normal course; inflation; compliance with debt obligations and maintaining sufficient liquidity; the responses of the relevant governments to any disease, epidemic or pandemic outbreak not being sufficient to contain the impact of such outbreak; disruptions to the Company's supply chain and workforce due to any disease, epidemic or pandemic outbreak; an economic recession or downturn as a result of any disease, epidemic or pandemic outbreak that materially adversely affects the Company's operations or liquidity position; taxation; fluctuation in treatment and refining charges; transportation and processing of unrefined products; rising costs or availability of labour, supplies, fuel and equipment; adequate infrastructure; relationships with communities, governments and other stakeholders; labour disputes; effectiveness of supply chain due diligence; the uncertainties inherent in current and future legal challenges to which New Gold is or may become a party; defective title to mineral claims or property or contests over claims to mineral properties; competition; loss of, or inability to attract, key employees; use of derivative products and hedging transactions; reliance on third-party contractors; counterparty risk and the performance of third party service providers; investment risks and uncertainty relating to the value of equity investments in public companies held by the Company from time to time; the adequacy of internal and disclosure controls; conflicts of interest; the lack of certainty with respect to foreign operations and legal systems, which may not be immune from the influence of political pressure, corruption or other factors that are inconsistent with the rule of law; the successful acquisitions and integration of business arrangements and realizing the intended benefits therefrom; and information systems security threats. In addition, there are risks and hazards associated with the business of mineral exploration, development, construction, operation and mining, including environmental events and hazards, industrial accidents, unusual or unexpected formations, pressures, cave-ins, flooding and gold bullion losses (and the risk of inadequate insurance or inability to obtain insurance to cover these risks) as well as "Risk Factors" included in New Gold's Annual Information Form and other disclosure documents filed on and available on SEDAR+ at and on EDGAR at . Forward-looking statements are not guarantees of future performance, and actual results and future events could materially differ from those anticipated in such statements. All of the forward-looking statements contained in this news release are qualified by these cautionary statements. New Gold expressly disclaims any intention or obligation to update or revise any forward-looking statements whether as a result of new information, events or otherwise, except in accordance with applicable securities laws.

QA/QC Procedure

New Gold maintains a Quality Assurance / Quality Control ("QA/QC") program at its Rainy River Mine operation using industry best practices and is consistent with the QA/QC protocols in use at all of the Company's exploration and development projects. Key elements of New Gold's QA/QC program include chain of custody of samples, regular insertion of certified reference standards and blanks, and duplicate check assays. Drill core is sampled at lengths varying from 0.5 to 1.5
m, halved and shipped in sealed bags to Activation Laboratories Ltd. in Thunder Bay, Ontario. Reverse Circulation ("RC") drill rock chips are sampled at the drill at regular two metre intervals and shipped in sealed bags to Activation Laboratories Ltd. in Thunder Bay, Ontario. Additional information regarding the Company's data verification and quality assurance processes is set out in
the March 28, 2022 Rainy River National Instrument 43-101 Technical Report titled "NI 43-101 Technical Report for the Rainy River Mine, Ontario, Canada"
available on SEDAR+ at

Technical Information

The scientific and technical information relating to the exploration results at Rainy River has been reviewed and approved by Dr. Jean-François Ravenelle, Vice President, Geology for the Company. Dr. Ravenelle is a Professional Geologist and a member of the Association of Professional Geoscientists of Ontario and the Ordre des Géologues du Québec. Dr. Ravenelle is a "Qualified Person" for the purposes of National Instrument 43-101 – Standards of Disclosure for Mineral Projects.

For additional technical information on New Gold's material properties, including a detailed breakdown of Mineral Reserves and Mineral Resources by category, as well as key assumptions, parameters, and risks, refer to New Gold's Annual Information Form for the year ended December 31, 2023 dated February 21, 2024 filed and available on SEDAR+ at and on EDGAR at .

SOURCE New Gold Inc.

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