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FNI.CN ·

Gochager Lake Project Update

Corporate Updates

Fathom Nickel Inc.

FATHOM MODELS ROBUST BHEM OFF-HOLE CONDUCTORS AT GOCHAGER LAKE PROPERTY AND

PROVIDES FURTHER PROJECT UPDATES

NOT FOR DISTRIBUTION TO UNITED STATES NEWSWIRE SERVICES OR FOR DISSEMINATION IN THE UNITED STATES. ANY

FAILURE TO COMPLY WITH THIS RESTRICTION MAY CONSTITUTE A VIOLATION OF U.S. SECURITIES LAWS

Calgary, Alberta – March 28, 2023 – Fathom Nickel Inc. (the “Company” or “Fathom”) (CSE:FNI) (FSE:

6Q5), (OTCQB: FNICF) is pleased to announce the preliminary modelling of several robust off -hole,

borehole electromagnetic (BHEM) conductors associated with five drillholes (two recent and three

historic) at the Company’s Gochager Lake Project.

Highlights

• Drillhole GL23003 was consistently mineralized throughout the total drillhole length; i.e., 5.35 –

336.00 meters (1% - 70% disseminated to massive sulphides).1

• Semi-massive to massive sulphides occur at 124.45 – 148.6 meters (Photos 1 & 2) and at 171.15

– 180.00 meters.1

• Very robust in-hole BHEM anomalies associated with GL23003 mineralization (described above),

plus very significant associated off- hole responses indicative of extended strike beyond the

drillhole.

• Off-hole BHEM response occurring down and away from historic drillhole GL18002 indicative of

conductive mineralization occurring below the defined depths of the historic Gochager Lake nickel

deposit.2

Importantly, all five drillholes probed by BHEM (see Figure 1) illustrate BHEM responses associated with

in-hole mineralization as well as significant off-hole responses (i.e., beyond in-hole mineralization and in

areas of weak to no mineralization).

Ian Fraser, CEO and VP Exploration stated, “The strength of the BHEM responses and the direct association

with semi-massive to massive sulphide mineralization recognized in both current and historic drillholes

demonstrates the effectiveness of BHEM as exploration progresses at Gochager Lake. Our drilling will

focus on areas of semi-massive to massive style of mineralization, as defined by BHEM. We expect there

will be multiple lenses of this style of mineralization within the historic Gochager Lake deposit. Our

geophysical team is equally excited about the conductivity recognized and defined by a 2008 VTEM survey

both at the Gochager Lake deposit as well as several similar signatures recognized away from the historic

deposit. Preliminary results from drilling, BHEM modelling and the VTEM survey all contributed to our

decision to expand the size of the Gochager Lake project to over 18,000 hectares through the Watts Lake

claims acquisition announced last week. We look forward to the receipt of the assay results in the coming

weeks”.

2

Photo – 1: Semi-Massive to Massive Sulphide Mineralization; drillhole GL23003: 135.85 – 149.00 meters

(depths corrected)

Photo – 2: Detailed Massive Sulphide Mineralization (left, 130.45m) Brecciated, Massive Sulphide

Mineralization (right, 145.67m) Drillhole GL23003

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Figure – 1: 3D View 2018, 2023 Gochager Lake Project Drillholes and Preliminary Maxwell Plate

Models from BHEM Surveys

• Trend 255 and Plunge 70 → 255 both very strong amplitude off-hole BHEM conductors.

• Trend 255 offhole responses associated with in -hole semi -massive to massive sulphide

mineralization intersected in drillhole GL23003 ( Photos 1 & 2 ). Late time off -hole responses

associated with in-hole mineralization the function of:

o Mineralization more conductive; more massive away from the drillhole.

o Mineralized zone greater in thickness than indicated by the drillhole.

• Plunge 70 → 255 at depth and outside known boundary of historic Gochager Lake Deposit

mineralization.2

• Strength of Plunge 70 → 255 and direction; down and away and off-hole GL18002, an indication

mineralization in historic drillhole I -12 (2.37 % Ni, 0.35% Cu, 0.14% Co / 9.7m, semi -massive to

massive sulphide mineralization3) at a depth of 282.9 – 292.6m remains open to depth , and the

historic Gochager Lake Deposit remains open for expansion.

1 – Reported drillhole intersections are down-hole intersection length and are not a true thickness. At present there is insufficient

information to determine true thickness. Furthermore; the Company cautions the reader the presentation of semi -massive to

massive sulphide mineralization photographs is not to be construed as potential contained metal. Laboratory assay results wil l

determine the amount of contained metal in this style of mineralization. Assay results are expected within the next two weeks.

2 - The Saskatchewan Mineral Deposit Index (SMID#0880) reports drill indicated reserves at the historic Gochager Lake Deposit of

4,262,400 tons grading 0.295% Ni and 0.081% Cu mineable by open pit. Fathom cannot confirm the resource estimate nor the

parameters and methods used to prepare the reserve estimate. The estimate is not considered NI43 -101 compliant and further

work is required to verify this historical drill indicated reserve.

3 – Saskatchewan Assessment Report 73P15-0023_1967 Diamond Drill Log, IVY 1-23.

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Qualified Person and Data Verification

Ian Fraser, P.Geo., CEO, VP Exploration and a Director of the Company and the "qualified person" as such

term is defined by National Instrument 43 -101, has verified the data disclosed in this news release, and

has otherwise reviewed and approved the technical information in this n ews release on behalf of the

Company.

About Fathom Nickel Inc.

Fathom is an exploration company that is targeting magmatic nickel sulphide discoveries to support the

rapidly growing global electric vehicle market.

The Company now has a portfolio of two high-quality exploration projects located in the prolific Trans

Hudson Corridor in Saskatchewan : 1) the Albert Lake Project, a 90,000+ hectare project that was host

to the historic and past producing Rottenstone deposit (produced high -grade Ni-Cu+PGE, 1965 -1969),

and 2) the Gochager Lake Project hectare project that is host to a historic, NI43-101 non-compliant open

pit resource consisting of 4.3M tons at 0. 295% Ni and 0.081% Cu2.

ON BEHALF OF THE BOARD

Ian Fraser, Chief Executive Officer and Vice -President, Exploration

1-403-650-9760

Email: [email protected]

or

Doug Porter, President & CFO

+1-403-870-4349

Email: [email protected]

Forward Looking Statements:

This news release contains "forward -looking statements" that are based on expectations, estimates, projections and

interpretations as at the date of this news release. Forward -looking statements are frequently characterized by words such as

"plan", "expect", "project", "seek", "intend", "believe", "anticipate", "estimate", "suggest", "indicate" and other similar words or

statements that certain events or conditions "may" or "will" occur, and include, without limitation, statements regarding payment

of terms under the Option Agreement, permitting for the Property, receipt of an exploration permit, timing of the exploration

program on the Property and the Company achieving the earn-in thresholds under the Option Agreement . Forward-looking

statements relate to information that is based on assumptions of management, forecasts of future results, and estimates of

amounts not yet determinable. Any statements that express predicti ons, expectations, beliefs, plans, projections, objectives,

assumptions or future events or performance are not statements of historical fact and may be "forward -looking statements."

Forward-looking statements are subject to a variety of risks and uncertainties which could cause actual events or results to differ

from those reflected in the forward-looking statements, including, without limitation: risks related to failure to obtain adequate

financing on a timely basis and on acceptable terms; risks related to the outcome of legal proceedings; political and regulatory

risks associated with mining and exploration; risks related to the maintenance of stock exchange listings; risks related to

environmental regulation and liability; the potential for delays in e xploration or development activities or the completion of

feasibility studies; the uncertainty of profitability; risks and uncertainties relating to the interpretation of drill results, the geology,

grade and continuity of mineral deposits; risks related t o the inherent uncertainty of production and cost estimates and the

potential for unexpected costs and expenses; results of prefeasibility and feasibility studies, and the possibility that future

exploration, development or mining results will not be consi stent with the Company's expectations; risks related to commodity

price fluctuations; and other risks and uncertainties related to the Company's prospects, properties and business detailed

elsewhere in the Company's disclosure record. Such forward looking statements involve 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 future results, performance or achievements expressed or implied by such forward-looking statements. These forward-

looking statements are made as of the date hereof and the Company does not assume any obligation to update or revise them

to reflect new events or circumstances except in accordance with applicable securities laws. Actual events or results could differ

materially from the Company's expectations or projections.