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SIG.V ·

News release

Drill Results Corporate Updates

NEWS

RELEASE

September

08,

2026

NR

26-22

www.sitkagoldcorp.com

SITKA

DRILLS

159.2

METRES

OF

1.14

G/T

GOLD,

INCLUDING

7.3

METRES

OF

8.89

G/T

GOLD,

WITHIN

256.9

METRES

OF

0.84

G/T

GOLD,

INTERCEPTS

13.9

METRES

OF

0.383%

WO

3

(TUNGSTEN

TRIOXIDE)

AND

CONTINUES

TO

EXPAND

THE

RHOSGOBEL

DEPOSIT

ALONG

STRIKE

AND

AT

DEPTH

AT

ITS

RC

GOLD

PROJECT,

YUKON

New

assay

results

extend

gold

and

tungsten

mineralization

350

m

east

of

the

easternmost

drilling

completed

in

2025,

with

additional

drilling

(assays

pending)

continuing

to

intersect

RIRGS

gold

mineralization

a

further

60

m

to

the

east

Drilling

to

date

at

Rhosgobel

has

traced

near-surface

RIRGS

mineralization

across

a

strike

length

of

approximately

1.6

km

(see

Figure

1).

The

deposit

remains

open

along

strike

and

to

depth

Drill

Hole

DDRCRG-26-071

intersected

159.2

metres

of

1.14

g/t

gold,

including

7.3

m

of

8.89

g/t

gold,

within

256.9

metres

of

0.84

g/t

gold

Drill

Hole

DDRCRG-26-059

intersected

43.5

metres

of

1.29

g/t

gold

within

217.9

metres

of

0.52

g/t

gold

Drill

Hole

DDRCRG-26-061

intersected

82.0

metres

of

0.75

g/t

gold,

including

10.4

metres

of

1.03

g/t

gold,

within

322.0

metres

of

0.50

g/t

gold

Drill

Hole

DDRCRG-26-063

intersected

13.9

metres

of

0.383%

WO

3

confirming

significant

tungsten

mineralization

at

Rhosgobel

Seven

drill

rigs

are

currently

turning

on

the

Project

at

Blackjack,

Saddle,

Eiger,

Rhosgobel,

Pukelman-Contact

and

Bear

Paw

Breccia

Zone

Approximately

45,000

m

of

diamond

drilling

has

been

completed

to

date

this

year

in

101

drill

holes

across

the

Blackjack,

Eiger,

and

Rhosgobel

deposits

and

the

Saddle,

Contact,

and

Bear

Paw

Breccia

Zones

as

part

of

the

ongoing

60,000

m

drill

program

planned

for

2026

VANCOUVER,

CANADA

September

08,

2026:

Sitka

Gold

Corp.

(“Sitka”

or

the

“Company”)

(TSX-V:SIG)

(FSE:1RF)

(OTCQX:SITKF)

is

pleased

to

announce

additional

assay

results

from

diamond

drill

holes

completed

at

the

Rhosgobel

deposit

and

to

provide

an

update

on

the

60,000

metre

diamond

drilling

program

currently

underway

at

its

100%

owned,

road

accessible

RC

Gold

Project

(“RC

Gold”

or

the

“Project”)

in

Canada’s

Yukon

Territory.

These

results

continue

to

expand

the

Rhosgobel

deposit

(see

Figures

1

and

2)

both

at

depth

and

along

strike.

The

Rhosgobel

deposit

remains

open

both

along

strike

and

at

depth

and

drilling

continues

to

intersect

significant

intervals

of

reduced

intrusion-related

gold

system

(RIRGS)

mineralization

in

easterly

step

out

holes

(see

Figures

1

to

3).

Assays

are

currently

pending

for

all

remaining

holes

that

have

been

completed

to

date

this

year.

Table

1:

Assay

highlights

for

this

release

(see

Table

2

for

details)

Hole

ID

Zone

From

(m)

To

(m)*

Length

(m)

Au

(g/t)

DDRCRG-26-071

Rhosgobel

4.57

261.45

256.9

0.84

including

64.8

224.0

159.2

1.14

including

117.9

125.2

7.3

8.89

DDRCRG-26-059

Rhosgobel

1.10

219.0

218.0

0.52

including

106.0

149.5

43.5

1.29

DDRCRG-26-061

Rhosgobel

1.5

323.5

322.0

0.50

including

77.8

108.0

30.2

0.76

including

132.0

214.0

82.0

0.75

including

262.5

307.5

45.0

0.58

and

368.6

379.1

10.5

1.03

*

Intervals

reported

are

drilled

core

length.

Intervals

may

not

sum

to

total

due

to

rounding.

“The

latest

results

from

Rhosgobel

continue

to

underscore

the

robust

grade

and

scale

of

this

exciting

gold

deposit,”

stated

Cor

Coe,

CEO

and

Director

of

Sitka

Gold.

“Hole

071

delivered

another

outstanding

result,

intersecting

256.9

metres

grading

0.84

g/t

gold

,

including

159.2

metres

grading

1.14

g/t

gold

and

7.3

m

of

8.89

g/t

gold

,

while

step-out

drilling

continues

to

successfully

expand

gold

and

tungsten

mineralization

well

beyond

the

limits

of

the

current

2.25

million

ounce

gold

resource.

Particularly

exciting

is

the

continued

expansion

to

the

east,

where

drill

results

have

now

extended

known

gold

mineralization

up

to

350

metres

beyond

previous

drilling,

highlighted

by

Hole

59

which

intersected

43.5

m

metres

of

1.29

g/t

gold

within

217.9

metres

of

0.52

g/t

gold,

Hole

61

which

intersected

82.0

metres

of

0.75

g/t

gold

and

10.5

metres

of

1.03

g/t

gold,

within

322.0

metres

of

0.50

g/t

gold,

and

Hole

67

which

intersected

102.2

metres

of

0.57

g/t

gold,

including

22.1

metres

of

1.03

g/t

gold

.

Subsequent

holes

with

assays

pending

have

intersected

significant

intervals

of

RIRGS

mineralization

including

visible

gold

and

scheelite

(tungsten)

a

further

60

metres

to

the

east.

Rhosgobel

remains

open

along

strike

and

at

depth,

providing

significant

potential

to

continue

adding

ounces

to

what

is

already

a

substantial

gold

deposit

that

begins

at

surface.

With

seven

drill

rigs

turning

across

the

RC

Gold

Project

and

approximately

45,000

metres

completed

so

far

this

year,

the

scale

and

potential

of

this

gold

system

continues

to

grow,

with

a

significant

amount

of

drilling

results

still

to

come

from

the

largest

drill

program

ever

conducted

at

RC

Gold.”

Figure

1:

Plan

map

of

drilling

completed

at

the

Rhosgobel

deposit,

highlighting

results

from

drill

holes

reported

in

this

news

release,

along

with

the

large

1.5

km

x

2.0

km

gold-in-soil

anomaly

that

overlays

the

target

area.

Drilling

has

traced

mineralization

across

the

entire

1.6

km

strike

drilled

to

date.

The

deposit

remains

open

along

strike

and

at

depth.

Figure

2:

Plan

map

showing

drilling

completed

to

date

at

the

Rhosgobel

deposit

along

with

the

current

gold

resource

outline

and

conceptual

pit

outline.

Drilling

continues

to

expand

mineralization

both

laterally

and

at

depth,

with

the

easternmost

drilling

completed

this

year

confirming

strong

RIRGS

mineralization

at

least

410

metres

east

of

drilling

completed

in

2025

.

The

deposit

remains

open

along

strike

and

at

depth.

Figure

3:

A

3D

representation

of

the

current

Rhosgobel

resource

shell

showing

the

gold

deposit

that

begins

at

surface

and

is

open

in

all

directions.

A

coherent

core

of

greater

than

1.0

g/t

gold

material

is

also

illustrated

(in

purple).

Drill

results

to

date

have

confirmed

known

gold

mineralization

extends

along

a

strike

length

of

at

least

1.6

km

and

from

surface

up

to

650

metres

depth

(approximately

360

metres

below

the

current

pit

constrained

resource).

Drill

results

from

this

release

confirm

gold

mineralization

extends

up

to

350

metres

east

of

the

easternmost

drilling

completed

in

2025,

with

additional

drilling

(assays

pending)

continuing

to

intersect

RIRGS

gold

mineralization

a

further

60

m

to

the

east

.

The

deposit

remains

open

both

laterally

and

at

depth.

Figure

4:

Cross

section

of

Drill

hole

DDRCRG-26-071

showing

gold

and

tungsten

grades

Figure

5:

Cross

section

of

drill

hole

DDRCRG-26-059/061/058

showing

gold

and

tungsten

grades.