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Tombill Mines Confirms Continuance of the F- Zone Extension Over Its Flagship Property, Discovers New High Grade F2-Zone, and Starts Shallow Drilling F-Zone: Intersects 5.29 GPT Gold Over 8.0M and 8.15 GPT Over 4.1M F2-Zone:

Drill Results Exploration Programs Corporate Actions

Tombill Mines Confirms Continuance of the F-

Zone Extension Over Its Flagship Property,

Discovers New High Grade F2-Zone, and

Starts Shallow Drilling

F-Zone:

Intersects 5.29 GPT Gold Over 8.0M and 8.15 GPT Over 4.1M

F2-Zone:

Intersects 13.88 GPT Gold Over 2.0M and 9.17 GPT Gold Over 3.0M

Shallow Drilling Surrounding the Talmora Target Has Commenced

Toronto, Ontario--(Newsfile Corp. - September 20, 2021) - (TSXV: TBLL) Tombill Mines Limited (the

"Company" or "Tombill"), is pleased to provide an exploration update at its 100% controlled, royalty-free

flagship and patented Tombill Main Group property within the Geraldton Gold Camp.

Summary of Recent Results From Phase One Drill Program

To Date

Hole TB21-005E, a wedge hole drilled from mother hole TB21-005, returned

5.29 grams per

tonne (gpt) gold over 8.0m (metres)

from the targeted F-Zone

.

A second interval of

13.88 gpt

gold over 2.0m

was encountered somewhat deeper in a new mineralized structure deemed the

F2-Zone.

Hole TB21-005B, another wedge hole drilled from hole TB21-005, returned

8.15 gpt gold over

4.1 m

from the F-Zone.

As previously reported in our news release dated June 17, 2021, hole TB21-005A, the first wedge

hole drilled from TB21-005, returned

6.23 gpt gold over 13.3 m

confirming Hardrock's robust F-

Zone extends onto Tombill's flagship property.

The spacing between the F-Zone intercepts in holes TB21-005A and TB21-005E is 21m, these

intercepts are situated approximately 250m west of the eastern property boundary with the

neighbouring Hardrock mine.

F-Zone remains open down-plunge to the west

and will soon be tested by hole TB21-006, a

150m step-out to the west of TB21-005.

Recent drilling has indicated an area of structural complexity exists between hole TB21-005 and

the eastern property boundary where Tombill has determined a series of N-S trending faults and at

least one post mineral dyke have resulted in some lateral offsets to the zone.

The F-Zone intercept encountered in hole TB21-005A and TB21-005E intercepted the zone on its

originally projected trend, beyond the identified area of structural complexity.

Tombill are encouraged by the number of other multiple subsidiary zones that the drilling has

intersected both above and below the main F-Zone target. These subsidiary zones are relatively

narrow where they have been intersected due to their different plunge orientation when compared

to the F-Zone. It is anticipated that these zones will be the focus of additional work after the F-Zone

has been more fully delineated.

Phase One drilling is ongoing with two drills from Rodren Drilling.

Figure 1 - Longitudinal Section in 3D Looking North

To view an enhanced version of this graphic, please visit:

https://orders.newsfilecorp.com/files/7659/97014_30fd804ee4842b43_002full.jpg

Table 1 – Significant Results of Phase One Drill Program to Date

Hole-ID

Collar UTM

Azimuth/

Dip(degrees)

From (m)

To (m)

Length (m)

Au (gpt)

Zone

TB21-001A

Wedged at

400m on

TB21-001

500987E,

5502807N

1191

1192

1.0

6.03

F-Zone

TB21-002

501048E,

5502609N

355/-82

768

769

1.0

4.21

HW Zone

(drilled

below F-

Zone)

1203

1203.8

0.8

6.90

K-Zone

TB21-004

501048E,

5502609N

358/-78

757.7

758.7

1.0

5.29

UM-Zone

1242.4

1244.5

2.1

4.50

F-Zone

1018.5

1022.7

4.2

2.99

SP Zone

TB21-005A

Wedged at

600m on

TB21-005

500909E,

5502915N

1078

1081.5

3.5

2.05

F-Zone

Upper

1095

1108.3

13.3

6.24

F-Zone

TB21-005B

Wedged at

636m on

TB21-005A

500909E,

5502915N

1214.0

1218.1

4.1

8.15

F-Zone

1085.0

1087.0

2.0

6.08

F-Zone

TB21-005E

Wedged at

550m on

TB21-005

1102.0

1110.0

8.0

5.29

F-Zone

500909E,

5502915N

1152.0

1154.0

2.0

13.88

F2-Zone

1162.0

1165.0

3.0

9.17

F2-Zone

Note: UTM co-ordinates in NAD83 Zone 16U

Summary of Phase One Drill Program Since Last Exploration Update

The Phase One Drill Program on the Tombill Main Group is ongoing.

This program is focussed on the

western strike extension of neighbouring Hardrock Project's robust F-Zone.

The area immediately west

of Tombill Main Group's eastern property boundary was shown to have some structural complexity with

N-S trending faulting and at least one post mineral dyke.

Tombill's geology team have now assembled

enough drill-hole data to accurately interpret this area of complexity thus allowing for better targeting of

the F-Zone moving forward.

Results since our press release of June 17, 2021:

TB21-005B was drilled to test the F-Zone 50m above the TB21-005A intercept.

The drill hole

intersected the F-Zone with 4.1m of 8.15 gpt gold with multiple VG specks.

TB21-005C was wedged from TB21-005.

The drill hole was abandoned due to excessive

deviation from plan.

TB21-005D was wedged from TB21-005.

The drill hole was abandoned due to excessive

deviation from plan.

TB21-005E was wedged from TB21-005. The drill hole intersected F-Zone mineralization from

1005-1119m with 2 significant assay intercepts being: 2.0m at 6.08 gpt gold in BIF and quartz

veins, and a second F-Zone intercept of 8.0m at 5.29 gpt gold in Greywacke with sulphides

associated with quartz veins.

A new zone was found north of the F-Zone.

This mineralized zone, the

F2-Zone, had two very significant intervals with 2.0m at 13.88 gpt gold and 3.0m at 9.17 gpt gold.

Both intervals were in Greywacke with quartz and associated sulphides with VG.

Start of Tombill's Shallow Drill Program

In tandem with Tombill's deep F-Zone drill campaign, the Company is also undertaking aggressive

surface exploration. A near-surface drill program started some two weeks ago on Tombill Main Group's

Talmora target located in the northeast corner of the property in areas surrounding a past producing

Talmora gold mine. To date, two holes have been completed in the 300 to 450 metre range, and a third

hole is currently in progress. The target is a broad zone believed to have potential for disseminated

mineralization.

Figure 2 – Shallow Drilling at Talmora

To view an enhanced version of this graphic, please visit:

https://orders.newsfilecorp.com/files/7659/97014_30fd804ee4842b43_005full.jpg

Adam Horne, CEO - commented; "I am happy to report we have embarked on our near surface program

at Talmora (a past producing mine) plus we are seeing further confirmation of the high-grade F-Zone,

and the addition of the new F2-Zone. In the early stages of this program, we naturally confronted volatility

in the execution of our drilling program and our team in Geraldton has made great positive strides to

overcome these hurdles.

We hope to continue to provide more regular updates as we proceed."

Quinton Hennigh, Geologic Director for strategic shareholder, Crescat Capital, further added; "It is great

to see Tombill advance both deep and shallow exploration on this underexplored gold project in what is

proving to be one of the most prolific gold camps in Ontario. Recent drill results continue to support the

thesis that the prolific F-Zone persists unabated onto Tombill's property. And as for shallow gold

mineralization, it is logical that strong potential exists at Tombill given that adjoining properties host a

number of such gold deposits. Talmora is the first of several shallow targets the Company plans on

testing over coming months. This story is just beginning."

QA/QC

Assays were performed at Actlabs accredited lab in Geraldton, Ontario. Tombill geologists insert blanks

and standards into the sample stream at a rate of 1 per 25 samples. A chain of custody is maintained to

the assay lab. At present the true widths of the mineralized intercepts have not been calculated.

Qualified Person

Dave Laudrum, P.Geo, is the Company's designated Qualified Person for this news release within the

meaning of National Instrument 43-101 Standards of Disclosure for Mineral Projects and has reviewed

and approved its scientific and technical content.

About Tombill

Tombill owns various royalty-free mineral exploration and past-producing gold properties in the

Geraldton and Beardmore Camp, Ontario.

The Company's business is mineral exploration, primarily

gold. It has 74 claims: 60 are owned and patented, five leased, and nine where it owns the mineral rights.

Of these, the Tombill Main Group property comprises 58 claims: 54 owned patents, and four owned

mineral rights. The Tombill Main Group claims were originally staked in the first Geraldton Gold Rush in

the 1930's by Tom Johnson and his brother Bill.

For more information, please visit

www.tombillmines.com

, and contact:

Adam Horne

Chairman & Chief Executive Officer

Email:

[email protected]

/ Tel: +44 (0) 207 529 2351

Reda Jalabi

Strategic Development

Email:

[email protected]

/ Tel: +44 (0) 207 529 2361

Cautionary Note Regarding Forward-Looking Information

Certain information contained herein constitutes "forward-looking information" under Canadian

securities legislation. Forward-looking information includes, but is not limited to, statements with

respect to the trading date of the Company's common shares on the TSXV. Generally, forward-looking

information can be identified by the use of forward-looking terminology such as "will" or variations of

such words and phrases or statements that certain actions, events or results "will" occur. Forward-

looking statements are based on the opinions and estimates of management as of the date such

statements are made and they are subject to known and unknown risks, uncertainties and other factors

that may cause the actual results to be materially different from those expressed or implied by such

forward-looking statements or forward-looking information. There can be no assurance that such

statements will prove to be accurate, as actual results and future events could differ materially from

those anticipated in such statements. Readers should not place undue reliance on forward-looking

statements and forward-looking information. The Company will not update any forward-looking

statements or forward-looking information that are incorporated by reference herein, except as

required by applicable securities laws.

Additional information identifying risks and uncertainties is contained in filings by the Company with

the Canadian securities regulators, which filings are available at

www.sedar.com

.

Neither the TSXV nor its Regulation Services Provider (as that term is defined in policies of the

TSXV) accepts responsibility for the adequacy or accuracy of this release.

To view the source version of this press release, please visit

https://www.newsfilecorp.com/release/97014