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Trillium Gold’s Gold Centre Drilling Update Targeting Red Lake Mine Stratigraphy

Exploration Programs

NEWS RELEASE

Trillium Gold’s Gold Centre Drilling Update

Targeting Red Lake Mine Stratigraphy

Vancouver, BC, Canada – November 28, 2022 – Trillium Gold Mines Inc. (TSXV:TGM ,

OTCQX:TGLDF, FRA:0702) (“Trillium Gold” or the “Company”) is pleased to provide an update on

the Company’s 2022 exploration and drilling activities at its Gold Centre project in Red Lake,

Ontario.

The Gold Centre property encompasses 253 hectares and is located immediately adjacent to

Evolution Mining’s Red Lake Operation (RLO) which to date has produced more than 25 million

ounces of gold at an average grade of 15 grams per tonne. The property offers significant exposure

to extensions of Red Lake Mine g old mineralization in the heart of th is world-class gold mining

jurisdiction.

Since January 2022, a total of 4,950 metres in five holes were drilled, including GC22-10 which

contained eight wedges. Trillium’s 2021 drill program focused on the north end of the property, with

eight drill holes targeting Red Lake Mine stratigraphy above 900 metres vertical depth. The winter-

spring 2022 program completed the initial phase of drilling and progressed to testing deeper in the

stratigraphy, targeting the modeled up-plunge projection of the deep mineralization at the RLO, at

around 1,400 metres vertical depth.

Bill Paterson, Trillium’s Vice -President of Exploration summarized the program as follo ws: “The

results to date have been positive with good evidence that correlates with the high -grade

gold mineralization believed to be present on the property. From the start, our drilling program

successfully identified the Balmer host rock at depth which is a key criteria to demonstrating

continuity with the RLO. We believe there is reasonable potential to tap into the gold-bearing mine

stratigraphy drilling to depths of 2,000 metres and beyond to intersect gold mineralization on strike

from the operation.”

All the key components that are ubiquitous to the gold mineralization immediately to the west have

been observed and the alteration is seen generally increasing westward over the property.

The Balmer assemblage rocks are typical of those observed at the Red Lake Mine, both in lithology

and veining and are generally moderately to strongly foliated, veined moderate -heavily by quartz-

calcite (±carbonate). Biotite alteration, intimately associated with gold mineralization at the Red

Lake Mine, is more abundant to wards the west side of the Gold Centre Property and is brown to

reddish-brown in colour.

Figure 1: Plan showing drill holes GC21-01 through GC22-11 on the Gold Centre Property and the

regional magnetics survey. Assays shown in g/t gold.

All significant results > 0.5 g/t Au from all drilling are presented in the following table . A full listing

of all significant results >0.1 g/t Au can be found on the website at www.trilliumgold.com.

Hole From (m) To (m) Width (m) Au (g/t)

GC21-01 782 782.58 0.58 8.35

801 802.5 1.5 0.631

802.5 803.3 0.8 0.763

938.6 939.45 0.85 0.579

GC21-02 988.5 989.5 1 2.29

GC21-03 781.63 783.13 1.5 0.587

GC21-06 927.34 927.77 0.43 0.698

1241.85 1242.25 0.4 0.743

GC21-07 1233.5 1235 1.5 0.648

GC22-08 818.44 819.17 0.73 5.67

1319.25 1320 0.75 1.68

1320 1321 1 0.708

Gold Centre 2022 drill hole details are listed below - UTM zone 15, NAD83.

Hole Number Easting Northing Elevation Depth (m) Dip Azimuth

GC21-07 450913 5654762 365 1316 -70 305.3

GC22-08 450552 5654794 367 1442 -70.1 347.71

GC22-09 450913 5654828 369 191 -80 180

GC22-10 450915 5654829 369 950 -80 215

GC22-11 450605 5654443 365 1614 -80 215

Note: GC22-10 also had a further 597 metres of drilling in 8 wedged segments for total of 1,547 metres.

Gold Centre drilling was supervised by Richard Kowalski and Samuel Lewis, PGeo . The drilling

was conducted by Rodren Drilling Ltd. of West St. Paul, Manitoba. Drill core was logged and

sampled in a secure core facility.

Core samples were cut in half, using a diamond cutting saw, and half cores were sent for analysis

to Activation Laboratories Ltd. in Dryden , ON, an accredited mineral analysis laborator y. All

samples were analyzed for gold using standard Fire Assay-AA techniques. Samples returning over

10.0 g/t gold were analyzed utilizing standard Fire Assay -Gravimetric methods. Any samples with

results greater than one ounce per ton gold were also analyzed with a standard 1 kg metallic screen

fire assay. Certified gold reference standards, blanks and duplicates are routinely inserted into the

sample stream, as part of Trillium Gold’s quality control/quality assuranc e program (QAQC) to

monitor accuracy and precision. No QAQC issues were noted with the results reported herein.

All drill interval lengths and widths referenced herein are measured downhole.

The technical information presented in this news release has bee n reviewed and approved by

William Paterson QP, PGeo, VP of Exploration of Trillium Gold Mines, as defined by NI 43-101.

On behalf of the Board of Directors,

Trillium Gold Mines Inc.

Russell Starr

Director, President & CEO

For further information, please contact Donna Yoshimatsu, VP Corporate Development and

Investor Relations at [email protected], (416) 722-2456, or [email protected].

Visit our website at www.trilliumgold.com.

About Trillium Gold Mines Inc.

Trillium Gold Mines Inc. is a growth focused company engaged in the business of acquisition,

exploration and development of mineral properties located in the Red Lake Mining District of

Northern Ontario. As part of its regional-scale consolidation strategy, the Company has assembled

one of the largest prospective land packages in and around the Red Lake mining district in proximity

to major mines and deposits, as well as along the Confederation Lake and Birch-Uchi greenstone

belts. In 2022 the Company closed a number of acquisitions effectively extending its contiguous

land position over more than 100 km of favourable structures on trend with Kinross Gold’s Great

Bear Project and Evolution Mining’s Red Lake Operation. In addition, the Company has interests

in highly prospective properties in Larder Lake, Ontario.

Neither 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.

Cautionary note regarding forward-looking statements

This news release contains forward-looking information, which involves known and unknown risks,

uncertainties and other factors that may cause actual events to differ materially from cur rent

expectations.

Forward-looking information is based on management’s reasonable assumptions, estimates,

expectations, analyses and opinions, which are based on management’s experience and

perception of trends, current conditions and expected developments, and other factors that

management believes are relevant and reasonable in the circumstances, but which may prove to

be incorre ct. Such factors, among others, include: impacts arising from the global disruption

caused by the Covid -19 coronavirus outbreak, business integration risks; fluctuations in general

macroeconomic conditions; fluctuations in securities markets; fluctuations in spot and forward

prices of gold or certain other commodities; change in national and local government, legislation,

taxation, controls, regulations and political or economic developments; risks and hazards

associated with the business of mineral exploration, development and mining (Incl. environmental

hazards, industrial accidents); inability to obtain adequate insurance to cover risks and hazards;

the presence of laws and regulations that may impose restrictions on mining; employee relations;

relationships with and claims by local communities and indigenous populations; availability of

increasing costs associated with mining inputs and labour; the speculative nature of mineral

exploration and development (Incl. the risks of obtaining necessary licenses, permits and approvals

from government authorities); and title to properties.

Readers are cautioned not to place undue reliance on these forward -looking statements, which

speak only as of the date of this press release. The Company disclaims any intention or obligation,

except to the extent required by law, to update or revise any forward -looking statements, whether

as a result of new information, future events or otherwise.