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GPH: TSX‐V GPHOF: OTCQX graphiteoneinc.com Graphite One 2021 Year in Review Completed Financing Totaling $30 Million; Continues to Rapidly Advance the Largest Known, Highest Grade Graphite Deposit in the United States

Financings Shareholder Letters & Outlook

GPH: TSX‐V GPHOF: OTCQX

graphiteoneinc.com

Graphite One 2021 Year in Review

Completed Financing Totaling $30 Million;

Continues to Rapidly Advance the Largest Known,

Highest Grade Graphite Deposit in the United States

December 23, 2021 – Vancouver, British Columbia –Graphite One Inc.

(GPH: TSX‐V; GPHOF: OTCQX) (“Graphite One” or the “Company”) is

pleased to provide the Company’s 2021 year in review. It has been a

momentous year for Graphite One as the Company continues to rapidly

advance the largest known and highest-grade graphite deposit in the United

States.

“Despite the challenges of COVID on the business climate and all aspects of

operations, Graphite One raised more than CA$30 million in capital,

completed a successful drill program to confirm the Company’s projections of

a long mine life based on drilling just 20% of the projected trend of the

graphite mineralization, and continued to progress R&D efforts on multiple

advanced graphite materials that will serve essential renewable energy and

technology sectors,” said Anthony Huston, Graphite One’s CEO.

“Additionally, the surge in graphite demand in the EV and energy storage

sectors, coupled with new U.S. Government strategic focus on Critical

Mineral development in the comprehensive infrastructure package, plus

concern over materials supply chain disruptions is a strong signal that

momentum is shifting in a way that perfectly aligns with Graphite One’s

objectives of being an integrated supply chain solution for advanced graphite

materials.”

Commenting on recent Tesla statements on EV supply chains, Mr. Huston

added: “Elon Musk said recently there is currently no graphite anode

production in the U.S. He’s right – and our goal at Graphite One is to

change that.

I agree with Jim Farley, the CEO of Ford Motor Co., who recently said: ‘We

have to bring battery production here, but the supply chain has to go all the

way to the mines. Are we going to import lithium and pull cobalt from nation-

states that have child labour and all sorts of corruption, or are we all going to

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get serious about mining? We have to solve these things, and we don’t have

much time.’”

As Graphite One anticipates it is on track to complete its Pre-Feasibility

Study (“PFS”) in Q1 2022, the Company reports progress along the following

fronts:

2021 Financing

From January 1, 2021 to date, total gross proceeds from three financings

plus the exercise of options, warrants and broker warrants1 totaled CA$30.2

million.

2021 Drill Program

In the Company’s 2021 Drill Program, a total of 2,052 meters were drilled,

including 1,695 meters of HQ core drilling and 357 meters of sonic drilling.2

Results are expected to be released in Q1 2022 when data analysis is

completed. The drill program will generate additional information to update

the resource model and provide technical data now expected to be available

in time to be included in the PFS.

With exploration to date on only 20% of the projected trend of graphite

mineralization supporting the potential for a long mine life, the Graphite

Creek deposit continues to show potential to be an essential long-life

component of the graphite supply chain.

While all required drilling for the PFS is completed, the Graphite Creek

deposit remains open at depth and along strike both east and west. “Given

the demand growth every end-user mentions to me, and their concerns

about surety of supply,” said Mr. Huston, “we’re putting a priority on

demonstrating that Graphite Creek is a robust, low-risk source for graphite

far into the 21st Century.” The Company expects to initiate the Project’s

Feasibility Study in Q1 2022 including plans to conduct a 2022 drill program

1 See press releases - "Graphite One Announces Closing CA$10 million in Financings and Awarding

of Options" (February 23, 2021), "Graphite One Announces Closing of $10.23 Million in Private

Placement Offering" (August 12, 2021) and "Graphite One Announces Closing of Second Tranche of

$998,000 in Private Placement Offering" (September 24, 2021).

2 See press release – “Graphite One Completes 2021 Field Program at 100% Owned Graphite Creek

Deposit, Alaska (October 13, 2021).

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focused on infill drilling and step-out drilling with the aim of increasing this

long-life resource.

Advanced Materials R&D Pipeline

During 2021, further progress was seen in materials development in the

anode space as well as other markets for advanced graphite material.

“With the World Bank and International Energy Agency (IEA)3 projecting

graphite demand to rise by 25 times between 2020 and 2040 (IEA) or more

than 490% from 2020 to 2050 (World Bank)4 -- and new efforts to

simultaneously build out energy storage systems underway, multiple uses of

the same renewable battery technologies are beginning to compete for the

same material supply,” Mr. Huston noted. ““As a result, global graphite

shortfalls initially projected for 2024 or 2025 are now predicted to begin as

early as 2022.”5

Battery-Grade Anode

Graphite One’s technology development partner, American Energy

Technologies Co. of Arlington Heights, Illinois (“AETC”) continues its work on

developing battery anode-ready grade materials from the PFS concentrate

sample it received from Graphite One in June 2021.

Graphite Foam Fire Suppressant

Against the backdrop of a 2020 National Defense Authorization Act (NDAA)

requirement to phase out Aqueous Film Forming Foams (AFFF) by 2024,

and with commercially available PFAS-free foam (PFF) products not meeting

MIL spec MIL-F-24385F, Graphite One and AETC have worked with

NAVAIR’s Naval Air Warfare Center Weapons Division (“NAWCWD”) at

China Lake, California, to pursue PFS-level validation of technology based

on use of expandable +80 mesh graphite from Graphite Creek – formulated

into a pigment component – to extinguish Class B fuel fires.

3https://www.iea.org/reports/the-role-of-critical-minerals-in-clean-energy-transitions/mineral-

requirements-for-clean-energy-transitions

4 https://pubdocs.worldbank.org/en/961711588875536384/Minerals-for-Climate-Action-The-Mineral-

Intensity-of-the-Clean-Energy-Transition.pdf

5 https://money.usnews.com/investing/news/articles/2021-12-15/china-ev-battery-makers-grapple-with-

graphite-squeeze

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Tests conducted in December 2021 by a team of firefighting professionals at

NAWCWD/China Lake showed that the foam formulation containing Graphite

Creek material can extinguish Class B fires in accordance with Mil spec

standards.

With AFFF and PFF soon unavailable for use in aircraft emergencies

involving Class B fires at military installations or airports, this represents a

possible near-term commercialization opportunity.

Graphite One Synthetic Diamond R&D

R&D work with the +100-mesh fraction of purified Graphite Creek PFS

material successfully produced synthetic diamonds suitable for use in cutting

tool applications including hard surface coatings in drill bits, cutting and

grinding discs, tips of metalworking tooling and other instruments designed

for increased abrasion wear.

After successful production of synthetic diamond dust, the Graphite One PFS

material was used to synthesize a gemstone-quality crystal, and ultimately –

doped with boron and nitrogen – to synthesize blue diamonds, which have

an increased hardness and engineered semiconductor properties.

I

In a subsequent study, this blue diamond was sliced via laser and polished

to a surface roughness radius of 2 nm to form substrates for the synthesis of

cultured semiconductor grade diamonds. A Scanning Electron Microscopy

image of the plate made from Graphite One’s PFS flake is shown below.

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Graphite One is currently working with partners including Stanford University,

Texas Tech University, Defense Logistics Agency, U.S. Navy and others to

establish several targeted technology demonstration projects with academia,

industry, and the U.S. Government to test the properties of synthetic

diamonds generated from Graphite Creek flake precursor in mechanical,

semiconductor, thermal management, and sensor applications.

Graphite One Graphene Material Produced by Yale and Emory

Universities

Graphite One submitted samples of its +50 mesh PFS material for evaluation

as a precursor to make graphene with intended use in advanced water

purification technologies. R&D teams at Yale University and Emory

University are currently involved in making graphene from Graphite One’s

PFS flake. One of the graphene samples generated from the Graphite One

material is depicted by Transmission Electron Microscopy below.

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“Our advanced graphite material work is driven by Graphite One’s

commitment to serve the broad range of tech material applications that

depend on graphite engineered to exacting specifications,” said Mr. Huston.

“Battery grade anode material for EVs and lithium-ion batteries will be the

core of our commercial value, but we know that there is even more graphite

can do to meet urgent demand in sectors ranging from environmentally-safe

fire suppression to transformational technologies in the semiconductor sector

and the new world of graphene. Each one of these product lines

underscores the value of Graphite One’s integrated supply chain solution –

as well as our belief in the mission of our Company to provide the tech

materials that drive global ingenuity.”

Grant of Options

The Company announces that the board of directors has approved an

incentive stock option grant to directors, officers and consultants of the

Company of an aggregate of 3,387,429 options of Graphite One (“Options”)

in accordance with the Company’s shareholder approved stock option plan.

Each Option is exercisable at a price of $1.39 per share, all vesting

immediately and expiring on December 22, 2026. All Options are subject to

a restricted period that expires four months and a day following the date of

issuance.

Upon the granting of the Options described above, Graphite One will have

8,352,429 Options outstanding, which represents approximately 9.8% of the

85,524,287 common shares of the Company currently outstanding. Graphite

One’s stock option plan limits the issuance of Options to no more than 10%

of the outstanding common shares.

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About Graphite One Inc.

GRAPHITE ONE INC. (GPH: TSX‐V; GPHOF: OTCQB) continues to develop

its Graphite One Project (the “Project”), whereby the Company could

potentially become an American producer of high grade Coated Spherical

Graphite (“CSG”) that is integrated with a domestic graphite resource. The

Project is proposed as a vertically integrated enterprise to mine, process and

manufacture high grade CSG primarily for the lithium‐ion electric vehicle

battery market. As set forth in the Company’s Preliminary Economic

Assessment, potential graphite mineralization mined from the Company’s

Graphite Creek Property, is expected to be processed into concentrate at a

graphite processing plant. The proposed processing plant would be located

on the Graphite Creek Property situated on the Seward Peninsula about 60

kilometers north of Nome, Alaska. CSG and other value‐added graphite

products, would likely be manufactured from the concentrate at the

Company’s proposed graphite product manufacturing facility, the location of

which is the subject of further study and analysis. The Company intends to

make a production decision on the Project once a feasibility study is

completed.

On Behalf of the Board of Directors

"Anthony Huston” (signed)

For more information on Graphite One Inc., please visit the Company’s

website, www.GraphiteOneInc.com or contact:

Anthony Huston

CEO, President & Director

Tel: (604) 889-4251

Email: [email protected]

Investor Relations Contact

Tel: (604) 684-6730

[email protected]

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graphiteoneinc.com

Neither the TSX Venture Exchange nor its Regulation Services Provider (as

that term is defined in the policies of the TSX Venture Exchange) accepts

responsibility for the adequacy or accuracy of this release.

This release includes certain statements that may be deemed to be forward-

looking statements. All statements in this release, other than statements of

historical facts, including the timing and completion of the Pre-Feasibility

Study, timing of the Feasibility Study, receipt of regulatory approvals,

implementation of a more established shipment program, exploration drilling,

exploitation activities, future production, establishment of a processing plant,

completion of a 2022 drill program, success of R&D efforts on multiple

advanced graphite materials, and events or developments that the Company

expects, are forward-looking statements. Although the Company 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. Factors that could cause actual

results to differ materially from those in forward-looking statements include

market prices, exploitation and exploration successes, continuity of

mineralization, uncertainties related to the ability to obtain necessary

permits, licenses and title and delays due to third party opposition, changes

in government policies regarding mining and natural resource exploration

and exploitation, and continued availability of capital and financing, and

general economic, market or business conditions. Readers are cautioned not

to place undue reliance on this forward-looking information, which is given as

of the date it is expressed in this press release, and the Company

undertakes no obligation to update publicly or revise any forward-looking

information, except as required by applicable securities laws. For more

information on the Company, investors should review the Company's

continuous disclosure filings that are available at www.sedar.com.