ProStar, the World Leader in Developing Precision Mapping Solutions®, Has Been Granted Another Major Patent for Utility Data Management

ProStar Holdings Inc. ("ProStar ® " or "the Company") (OTCQX: MAPPF) (TSXV: MAPS) (FSE: 5D00), a world leader in Precision Mapping Solutions ® is pleased to announce that Canadian Patent No. 2980438 prepared and prosecuted by Lewis Roca LLP, one of the United States leading intellectual property law firms, has been granted to ProStar ® . The patent is considered a pioneer patent in the field of utility data collection and directed to an improved method for calculating tolerance zones for utility assets. The patented method provides critical utility asset data in a more timely and efficient manner which helps to prevent damages to utilities and the environment during infrastructure construction, repair, and groundbreaking activities.

"ProStar is the pioneer in precision utility locating, precision utility mapping, as well as digital management of underground utility and pipeline information," said Raymond R. Tabandeh, the Lewis Roca partner who prosecuted the patent. "This is ProStar's 21 ^st issued patent and further buttresses ProStar's extensive U.S. and Canadian patent portfolio," added Tabandeh.

ProStar's patents are directed to the processes and methods that digitally capture, record, and display the precise location of buried utilities. With recent advancements in mobile, cloud, and GPS/GNSS technologies combined with an ever-increasing amount of damages to buried utilities caused by construction activities or aging, ProStar's patents position the Company to be a world leader in utility damage prevention.

Click here to see a complete list of ProStar's IP portfolio.

ProStar's Chief Executive Officer and coinventor of the issued patent, Page Tucker stated , "It is a major milestone for any early-stage company to have been issued any number of patents, let alone over 20. Not only does this 21s patent issuance validate that we are the pioneer in precision utility mapping, but this issuance also puts us in a very strong position supported by an extensive IP portfolio to now begin the process of enforcing the patents against those that are potentially infringing."

Click here to see a complete list of ProStar's patents
About Lewis Roca Rothgerber Christie LLP

Ranked in the Top 50 Patent Firms in the U.S. by Juristat, Lewis Roca's patent attorneys have an undergraduate degree in science or engineering, and many of the attorneys have graduate degrees, enabling them to have a deeper understanding of clients' technology. Extensive patent services include: Patent Prosecution, Patent Litigation, Design Patents, International Patent Protection, Patent Opinions & Evaluations, Prior Art Searches & Evaluations, and PTAB Proceedings.

About ProStar:
ProStar is a world leader in Precision Mapping Solutions and is creating a digital world by leveraging the most modern GPS, cloud, and mobile technologies. ProStar is a software development company specializing in developing patented cloud, and mobile precision mapping solutions focused on the critical infrastructure industry. ProStar's flagship product, PointMan, is designed to significantly improve the workflow processes and business practices associated with the lifecycle management of critical infrastructure assets both above and below the Earth's surface.

ProStar's PointMan is offered as a Software as a Service (SaaS) and seamlessly connects the field with the office and provides the ability to precisely capture, record, display, and manage critical infrastructure, including roads, railways, pipelines, and utilities. Some of the largest entities in North America have adopted ProStar's solutions, including Fortune 500 construction firms, Subsurface Utilities Engineering (SUE) firms, utility owners, and government agencies. ProStar has strategic business partnerships with the world's leading geospatial technology providers, data collection equipment manufacturers, and their dealer networks.

The Company has made a significant investment in creating a vast intellectual property portfolio that includes 20 issued patents in the United States and Canada. The patents protect the methods and systems required to digitally capture, record, organize, manage, distribute, and display the precise location of critical infrastructure, including buried utilities and pipelines. ProStar's Executive management team has extensive experience in the management of both early-stage and Fortune 500 technology companies in the private and public sectors.
For more information about ProStar, please visit www.prostarcorp.com .

Contact:
Joel Sutherland
Investor Relations
970-822-4792
Investorrelations@prostarcorp.com

Neither the TSXV nor its Regulation Services Provider (as that term is defined in the policies of the TSXV) accept responsibility for the adequacy or accuracy of this release.

Cautionary Statements Regarding Forward-Looking Information

This press release contains forward-looking information within the meaning of Canadian securities laws. Such information includes, without limitation, information regarding the terms and conditions of the Company's future plans. Although the Company believes that such information is reasonable, it can give no assurance that such expectations will prove to be correct.

Forward-looking information is typically identified by words such as: "believe", "expect", "anticipate", "intend", "estimate", "postulate" and similar expressions, or are those, which, by their nature, refer to future events. The Company cautions investors that any forward-looking information provided by the Company is not a guarantee of future results or performance and that actual results may differ materially from those in forward-looking information as a result of various factors, including, but not limited to: the state of the financial markets for the Company's securities; the state of the technology sector; recent market volatility; the COVID-19 pandemic; the Company's ability to raise the necessary capital or to be fully able to implement its business strategies; and other risks and factors that the Company is unaware of at this time. The reader is referred to the Company's recent Information Circular filed on SEDAR on November 20, 2020 for a more complete discussion of applicable risk factors and their potential effects, copies of which may be accessed through the Company's issuer page on SEDAR at www.sedar.com .

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ProStar Announces That One Of America's Largest Heavy Highway Construction Companies Has Adopted ProStar's Cloud And Mobile Precision Mapping Solution

ProStar Holdings Inc. ("ProStar ® " or "the Company") (TSXV: MAPS) (OTCQX: MAPPF) (FSE: 5D00), a world leader in Precision Mapping Solutions ® is pleased to announce that Kokosing Construction Company, Inc, one of America's largest heavy highway construction companies has implemented ProStar's cloud and mobile solution, PointMan ® .

"Our focus has always been on placing the best tools and technologies available into our team members' hands in order to allow everyone on the project site to work more efficiently and safely," stated Terry Hendershot, General Manager Underground Utilities at Kokosing Construction. "Not knowing the location of underground utilities on a construction project exposes us to major risks and liabilities that can be costly. PointMan helps us to achieve our goals in terms of improving our workflows and creating a much safer project site."

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UPDATE -- ProStar Announces Trimble Integration Of PointMan For Apple iOS

ProStar Holdings Inc. ("ProStar ® " or "the Company") (TSXV: MAPS) (OTCQX: MAPPF) (FSE: 5D00), a world leader in Precision Mapping Solutions ® is pleased to announce that it has successfully completed the Trimble GPSGNSS receiver integration of its flagship product PointMan for Apple iOS.

Trimble ^® Catalyst™ is a revolutionary GNSS concept delivering positioning-as-a-service to Android™ and iOS devices. With the addition of the simple, lightweight Trimble DA2 GNSS receiver and an on-demand accuracy-based subscription, PointMan's integration provides a precise and comprehensive data collection solution to capture, record, and display the precise location of critical underground infrastructure.

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ProStar Announces Trimble Integration Of PointMan For Apple iOS

ProStar Holdings Inc. ("ProStar ® " or "the Company") (TSXV: MAPS) (OTCQX: MAPPF) (FSE: 5D00), a world leader in Precision Mapping Solutions ® is pleased to announce that it has successfully completed the Trimble GPSGNSS receiver integration of its flagship product PointMan for Apple iOS.

"We are excited to support ProStar's PointMan running on iOS devices for our wide range of GPS/GNSS receivers, including our newest receiver, the Catalyst DA2," stated Stephanie Machaud, Strategic Marketing Manager. " The new DA2 is powered by Trimble ProPoint™ GNSS technology and at 12 OZ, it is the smallest, lightest, and most precise GNSS receiver that we have ever developed and provides for a powerful data collection solution with ProStar's PointMan. Combining PointMan with Trimble's DA2 catalyst provides a precise and comprehensive data collection solution to capture, record, and display the precise location of critical underground infrastructure. "

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ProStar Atop Fast Company's 10 Most Innovative Companies in the World

ProStar Holdings Inc. ("ProStar ® " or "the Company") (OTCQX: MAPPF) (TSXV: MAPS) (FSE: 5D00), a world leader in Precision Mapping Solutions ® is pleased to announce it has been named to Fast Company 's prestigious annual list of the World's Most Innovative Companies for 2022. ProStar joins the ranks of Microsoft, Canva, SpaceX, Netflix, Epic Games, and many more.

The World's Most Innovative Companies is Fast Company 's signature franchise and one of its most highly anticipated editorial efforts of the year. It provides both a snapshot and a road map for the future of innovation across the most dynamic sectors of the economy.

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Landmark EPC Adopts ProStar's PointMan Solution to Digitally Map Critical Underground Infrastructure of Boulder, Colorado

ProStar Holdings Inc. ("ProStar ® " or "the Company") (OTCQX: MAPPF) (TSXV: MAPS) (FSE: 5D00), a world leader in Precision Mapping Solutions ® is pleased to announce that Landmark EPC, after a detailed analysis of available solutions, will utilize ProStar's PointMan to precisely map buried infrastructure of the City of Boulder including the city's Sewer and Service systems.

"The current process of locating sewer mains and service systems and just placing a paint mark on the ground is dated and it can lead to costly damages, delays, and utility service disruptions, all of which was happening in Boulder during the expansion of the City's fiber-optic infrastructure", stated Skip McIntosh, Co-founder of Landmark SUE Services. "ProStar's PointMan precision mapping solution means we can now locate, mark and map critical underground infrastructure in the proposed right-of-way for the fiber loop. This technology means we can eliminate costly damages often incurred to the sewer mains and service systems during fiber installation. Typically, it is up to the utility contractor who is placing the fiber lines to locate sewer and other services in the right-of-way, which was nearly impossible. We can now address these issues that have plagued this industry for decades."

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Spearmint More Than Doubles the Acreage of the George Lake South Antimony Project in New Brunswick, Canada

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James Nelson, President of Spearmint, stated, "In light of the recent ban of antimony by China to the USA, we made this strategic acquisition increasing the size of the George Lake South Antimony Project. Management feels that antimony will be one of the most sought after resources in 2025 and we plan to pursue this space with vigor and are currently evaluating additional projects. Management is formulating a plan on the George Lake South Antimony Project, and management also intends to update the market on Spearmint's crypto diversification plan in the near future as well. These are truly exciting times for Spearmint and Spearmint shareholders."

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Spearmint Announces Arrangements to Address Mailing Delays Resulting from Canada Post Strike

Spearmint Resources Inc. (CSE: SPMT) (OTC Pink: SPMTF) (FSE: A2AHL5) (the "Company" or "Spearmint") wishes to provide an update to shareholders on the impact of the strike by the Canadian Union of Postal Workers on the Company's ability to comply with its obligations to deliver to shareholders its financial statements and related disclosure and proxy-related materials in respect of the Company's annual general meeting of shareholders (the "Meeting") scheduled to be held at Cozen O'Connor LLP - 550 Burrard Street, Suite 2501, Vancouver, B.C., on Thursday, Dec. 19, 2024, at 10 a.m. PST.

James Nelson, President of Spearmint stated, "We want all of our shareholders to be aware of the current situation as there are many exciting events occurring for Spearmint in the short and medium term."

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Sona Nanotech's THT Cancer Studies Demonstrates Strong Efficacy in Third Preclinical Study and Plans for First-in-human Early Feasibility Study

Sona Nanotech Inc. (CSE: SONA) (OTCQB: SNANF) (the "Company", "Sona") announces results from its most recent preclinical study of its Targeted Hyperthermia Therapy ("THT") which uses the Company's patented, biocompatible gold nanorods ("GNRs") to treat certain solid cancer tumors, shrinking them and acting as an immune stimulator. Building on its success in melanoma and breast cancer studies, the Company's third preclinical efficacy study was conducted in an immunologically 'cold' colorectal cancer model ("CT26"), a model that represents the majority of human colon cancers, which do not typically respond to current standard of care immunotherapies.

In this preliminary study, whereas no mice that were given standard immunotherapy alone showed any response, 100% of mice in the THT treatment group responded to the same immunotherapy with 50% (4 out of 8) of those tumors eliminated within 12 days of treatment, as shown by the green line in Figure 1, below.

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Spearmint Resources Inc. (CSE: SPMT) (OTC Pink: SPMTF) (FSE: A2AHL5) (the "Company" or "Spearmint") wishes to comment on yesterday's announcement of China banning exports of critical minerals including antimony to the United States. As trade tensions escalate between the USA and China, this move clearly emphasizes the urgent need for Western nations to secure reliable long-term sources of these critical minerals which are now at the forefront of the global supply chain crisis.

Antimony is an essential component in semi-conductors, battery storage technology, and has several military applications. Prices of antimony trioxide in Rotterdam had soared by 228% since the beginning of the year to $39,000 a metric ton on Nov. 28, data from information provider Argus showed⁽¹⁾. The move is a considerable escalation of tensions in supply chains where access to raw material units is already tight in the West⁽¹⁾.

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Syntheia Announces Establishment of Advisory Board and Appointment of Travel Industry Expert, Mr. John Kirk

Syntheia Corp. ("Syntheia" or the "Company") (Syntheia.ai), CSE SYAI, Syntheia, a Canadian leader in conversational AI SaaS, is pleased to announce the establishment of its new Advisory Board. The Advisory Board will collaborate with management and the board of directors to enhance the Company's strategic direction, provide expert guidance on its commercial initiatives, offer industry insights, and shape and accelerate innovations.

As the inaugural member of the Advisory Board, Syntheia welcomes Mr. John Kirk, a leader in the travel industry. The travel sector represents a potentially significant growth market for the Company's technology.

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Spearmint Comments on China's Ban of Critical Mineral Exports to the USA, including Antimony

Spearmint Resources Inc. (CSE: SPMT) (OTC Pink: SPMTF) (FSE: A2AHL5) (the "Company" or "Spearmint") wishes to comment on yesterday's announcement of China banning exports of critical minerals including antimony to the United States. As trade tensions escalate between the USA and China, this move clearly emphasizes the urgent need for Western nations to secure reliable long-term sources of these critical minerals which are now at the forefront of the global supply chain crisis.

Antimony is an essential component in semi-conductors, battery storage technology, and has several military applications. Prices of antimony trioxide in Rotterdam had soared by 228% since the beginning of the year to $39,000 a metric ton on Nov. 28, data from information provider Argus showed⁽¹⁾. The move is a considerable escalation of tensions in supply chains where access to raw material units is already tight in the West⁽¹⁾.