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Sitka Gold Corp. (TSXV: SIG) (FSE: 1RF) (OTCQB: SITKF) (“Sitka” or the “Firm”) is happy to announce analytical outcomes for 3 diamond drill holes accomplished on the Contact Zone goal positioned at its 100% owned, highway accessible RC Gold Mission (“RC Gold” or the “Mission”) throughout the Yukon’s prolific Tombstone Gold Belt. DDRCCC-25-113 returned spectacular outcomes with as much as 119.0 metres of 1.01 g/t gold returned from floor, together with 10.7 m of 4.1 g/t gold and 1.2 metres of 24.8 g/t gold, confirming important gold mineralization on the Contact Zone. Assays are presently pending for an extra three drill holes that have been accomplished at Contact together with three holes that have been accomplished on the adjoining Pukelman goal (see Figures 2 and three). Assays are additionally pending for an extra 46 diamond drill holes which have been accomplished throughout the Rhosgobel, Blackjack, Saddle, Eiger, Bear Paw and MayQu targets. Roughly 32,000 metres of diamond drilling has been accomplished throughout the RC Gold Mission this yr.
- Sitka’s preliminary drilling at Contact returns >100 gram-metre (g/t*m) gold interval from floor, confirming the presence of great gold mineralization
- DDRCCC-25-113 intersected 119.0 metres of 1.01 g/t gold from floor, together with 10.7 m of 4.1 g/t gold together with 1.2 m of 24.8 g/t Au, and 1.2 m of 12.25 g/t Au
- Historic drilling at Contact has returned important high-grade gold intercepts together with gap CC10-022 which intersected 1.5 m of 147.0 g/t Au positioned roughly 335 m east of gap DDRCCC-25-113 (see information launch dated August 19, 2025; Figures 2 and three)
- Mineralization at Contact-Pukelman zone stays open in all instructions with drilling so far confirming a mineralized footprint of roughly 900 m x 650 m (see Determine 2)
- Outcomes for a number of holes are nonetheless pending, together with from the adjoining Pukelman goal space the place quite a few cases of seen gold have been noticed within the drill core.
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“Preliminary outcomes from Sitka’s first move of diamond drilling on the Contact zone are very encouraging, demonstrating the robust gold values current inside this higher-grade gold zone,” said Cor Coe, CEO and Director of Sitka. “With an interval of over 100 gram-metres (g/t*m) from floor in Gap 113, we are able to add the Contact zone to our rising record of targets that reveal the potential to host further multi-million ounce gold deposits throughout the Clear Creek Intrusive Complicated. We look ahead to receiving the remaining holes from this zone, together with the holes that have been accomplished this yr on the adjoining Pukelman zone, the place quite a few cases of seen gold have been noticed all through the drill core, as we proceed to delineate the potential of this thrilling goal space so as to add ounces to the rising gold sources at RC Gold.”
Determine 1: A cross part via the Contact Zone exhibiting the intercepts of 119.0 m of 1.01 g/t Au, together with 10.7 m of 4.10 g/t Au and 3.9 m of 5.51 g/t Au in DDRCCC-25-113.
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Determine 2: A plan map of the Contact Zone goal exhibiting the drilling accomplished so far in 2025. All holes have intersected lowered intrusion-related gold system (RIRGS) type mineralization together with centimetre-scale, sheeted, quartz veins inside a structural hall slicing the metasediments. A number of occurrences of seen gold have been noticed in a lot of the diamond drill holes accomplished so far (yellow stars). Assays are pending for the remaining holes. Drilling so far has traced gold mineralization throughout a lateral extent of roughly 900 m x 650 m and from floor to a depth of 430 m. Mineralization stays open in all instructions.
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Determine 3: Plan map exhibiting the broader Contact-Pukelman goal space inside a big 1.0 km x 1.5 km gold-in-soil anomaly. Drilling so far has been centered on the core of this goal space and has traced gold mineralization throughout a lateral extent of roughly 900 m x 650 m and from floor to a depth of 430 m. Mineralization stays open in all instructions.
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Determine 4: Examples of coarse seen gold (VG) noticed in drill core on the Contact Zone. Drilling on the Contact Zone has intersected VG in all six holes accomplished this yr, together with the most important VG particles noticed on the property in drill core so far (scale is similar for all footage). Click on HERE to see further pictures of VG from the Contact Zone.
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Determine 5: Instance of massive particles of seen gold seen inside a quartz vein in metasedimentary rock within the drill core of DDRCCC-25-115 from 39.4 to 39.7 m size drilled on the Contact zone
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Determine 6: An instance of drill core from DDRCCC-25-113 exhibiting quartz veins slicing strongly altered metasediments of the Contact Zone. The displayed part reveals a nicely mineralized quartz vein containing 12.25 g/t Au over 1.2 m.
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CONTACT-PUKELMAN TARGET
In 2025, Sitka accomplished six diamond drill holes totalling 2,172 metres at Contact and three diamond drill holes totalling 1,876 metres at Pukelman (see Determine 2). Drilling intersected broad intervals of strongly altered metasediments minimize by a number of quartz monzonite, and biotite-feldspar porphyritic dykes, together with plentiful, cm scale, sheeted quartz veins. Seen gold was noticed within the sheeted quartz veins and was usually related to arsenopyrite, bismuthinite, and minor scheelite (see Figures 3 and 4).
Sitka’s 2025 drill program was designed to develop the mineralized footprint of the Contact zone, take a look at the zone with oriented diamond drill core to raised perceive controls on the mineralization and take a look at the linkage between the metasedimentary and intrusion hosted mineralization of the Contact and Pukelman zones. The Contact zone was beforehand drilled in 2010 and 2011 with 1,660 metres in 12 holes of reverse circulation drilling and 254 metres in 2 holes of diamond drilling and encountered important mineralization in quartz veining inside metasedimentary rocks as much as 450 metres south of the Pukelman intrusion. Present drilling so far has traced gold mineralization throughout a lateral extent of roughly 900 metres x 650 metres and from floor to a depth of roughly 430 metres.
* Whereas seen gold observations are very encouraging and ensure the presence of gold mineralization, they aren’t supposed to indicate potential gold grades. Gold assays can be revealed after they’re acquired from the lab for mineralized intervals by which seen gold particles have been famous.
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Determine 7: A plan map of the Clear Creek Intrusive Complicated (CCIC) exhibiting the up to date useful resource areas at Blackjack and Eiger, together with the newly found Rhosgoble zone and a number of other different high-priority drill targets and a number of exploration targets. . The map highlights the quite a few drill targets that Sitka has outlined throughout the CCIC which all are linked by the highway community on the undertaking and happen in an space measuring 5 (5) km north-south and twelve (12) km east-west. Further areas highlighted by robust gold in soil anomalies are being superior to the drill prepared stage with further geological work in 2025.
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Determine 8*: A plan map of the Clear Creek Intrusive Complicated (CCIC) exhibiting the up to date useful resource areas at Blackjack and Eiger, and the six further areas which have drill targets indicated by the mauve hatched areas. The map highlights the quite a few drill targets that Sitka has outlined throughout the CCIC which all are linked by the highway community on the undertaking and happen in an space measuring 5 (5) km north-south and twelve (12) km east-west. Further areas highlighted by robust gold in soil anomalies are being superior to the drill prepared stage with further geological work in 2025.
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* References for Determine 7 drilling intervals:
Rhosgobel Intervals: Sitka Gold Information Launch dated November 25, 2024
Pukelman Intervals: Sitka Gold Information Launch dated January 7, 2025
Contact Intervals: O’Brien, 2010; Evaluation Report, 2010 Diamond Drilling Program, Clear Creek Property (Evaluation report 095539)
Shutty, 2011; Evaluation Report, 2011 Exploration Program, Clear Creek Property (Evaluation Report 095984)
Bear Paw Intervals: Shutty, 2011; Evaluation Report, 2011 Exploration Program, Clear Creek Property (Evaluation Report 095984)
Determine 9: Regional map of the RC Gold Mission positioned within the western portion of Yukon’s prolific Tombstone Gold Belt.
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High quality Assurance/High quality Management
On receipt from the drill website, the HTW/NTW-sized drill core was systematically logged for geological attributes, photographed and sampled at Sitka’s core logging facility. Pattern lengths as small as 0.3 m have been used to isolate options of curiosity, in any other case a default 2 m downhole pattern size was used. Every pattern is recognized by a singular pattern tag quantity which is positioned within the bag containing the core to be assayed. Core was minimize in half lengthwise alongside a predetermined line, with one-half (similar half, persistently) collected for evaluation and one-half saved as a document. Normal reference supplies, blanks and duplicate samples have been inserted by Sitka personnel at common intervals into the pattern stream. Bagged samples have been positioned in safe bins to make sure integrity throughout transport. They have been delivered by Sitka personnel or a contract expeditor to ALS Laboratories’ preparatory facility in Whitehorse, Yukon, with analyses accomplished in North Vancouver.
ALS is accredited to ISO 17025:2005 UKAS ref. 4028 for its laboratory evaluation. Samples have been crushed by ALS to over 70 per cent passing under two millimetres and cut up utilizing a riffle splitter. One-thousand-gram splits have been pulverized to over 85 per cent passing under 75 microns. Gold determinations are by fireplace assay with an inductively coupled plasma mass spectroscopy (ICP-AES) end on 50 g subsamples of the ready pulp (ALS code: Au-ICP-22). Any pattern returning over 10 g/t gold was re-analyzed by fireplace assay with a gravimetric end on a 50 g subsample (ALS code: Au-GRA21). As well as, a 51-element evaluation was carried out on a 0.5 g subsample of the ready pulps by an aqua regia digestion adopted by an inductively coupled plasma mass spectroscopy (ICP-MS) end (ALS code: ME-MS41).
About Sitka’s Flagship RC Gold Mission
Sitka’s 100% owned RC Gold Mission consists of a 431 sq. kilometre contiguous district-scale land package deal positioned within the coronary heart of Yukon’s Tombstone Gold Belt. The undertaking is positioned roughly 100 kilometres east of Dawson Metropolis, which has a 5,000 foot paved runway, and is accessed by way of a secondary gravel highway from the Klondike Freeway which is usable year-round and is an approximate 2 hour drive from Dawson Metropolis. It’s the largest consolidated land package deal strategically positioned mid-way between the Eagle Gold Mine and the previous producing Brewery Creek Gold Mine.
The RC Gold Mission now has pit-constrained mineral sources which are contained in two zones: the Blackjack and Eiger gold deposits with 1,291,000 ounces of gold in 39,962,000 tonnes grading 1.01 g/t gold in an indicated class and 1,044,000 ounces of gold in 34,603,000 tonnes grading 0.94 g/t in an inferred class at Blackjack and 440,000 ounces of gold in 27,362,000 tonnes grading 0.50 g/t gold in an inferred class at Eiger. These useful resource estimate numbers are supported by the lately up to date technical report for RC Gold, ready in accordance with NI 43-101 requirements, entitled “Clear Creek Property, RC Gold Mission NI 43-101 Technical Report Dawson Mining District, Yukon Territory”, ready by Ronald G. Simpson, P. Geo., of GeoSim Providers Inc. with an efficient date of January 21, 2025. This report is on the market on SEDAR+ (http://www.sedarplus.ca) and on the Firm’s web site (www.sitkagoldcorp.com).
Each of those deposits start at floor, are probably open pit minable and Preliminary bottle roll metallurgical testing confirmed the non-refractory traits of the gold mineralization and returned gold extraction charges averaging round 85%. Additional metallurgical testwork in 2024 returned recoveries starting from 77.6 to 93% for gravity adopted by cyanidation.
For the needs of the present useful resource mannequin, it’s assumed {that a} doubtless mill flowsheet would encompass a gravimetric, flotation, and cyanidation circuit.
The corporate has now accomplished 165 diamond drill holes for a complete of 59,770 metres throughout the Clear Creek Intrusive Complicated (CCIC), and an extra 3 holes for 858 metres within the Could-Qu Intrusion. Drilling continues to stipulate greater grade mineralization in any respect zones together with gap DDRCCC-24-068 at Blackjack which intersected 678.1 metres of 1.04 g/t gold ranging from floor (see information launch dated October 21, 2024), and gap DDRCCC-25-075 which intersected 352.8 metres of 1.55 g/t gold together with 108.9 metres of three.27 g/t gold and 45.0 metres of 4.52 g/t gold (see information launch dated April 22, 2025). Drilling in 2024/2025 has resulted within the discovery of a brand new greater grade zone at Rhosggobel together with gap DDRCRG-25-010 at Rhosgobel which intersected 235.9 metres of 1.11 g/t gold, together with 40.0 m of two.01 g/t gold and 10.0 m of 5.29 g/t gold, from floor (see information launch dated September 18, 2025).
RC Gold Deposit Mannequin
Exploration on the Property has primarily centered on figuring out an intrusion-related gold system (“IRGS”). The property is throughout the Tombstone Gold Belt which is the outstanding host to IRGS deposits throughout the Tintina Gold Province in Yukon and Alaska. Notable deposits from the belt embrace: Fort Knox Mine in Alaska with present Confirmed and Possible Reserves of 230 million tonnes at 0.3 g/t Au (2.471 million ounces; Sims 2018)(1); Eagle Gold Mine with present Measured and Indicated Assets of 233 million tonnes at a grade of 0.57 g/t Au on the Eagle Essential Zone (4.303 million ounces; Harvey et al, 2022)(2); the Brewery Creek deposit with present Indicated Mineral Useful resource of twenty-two.2 million tonnes at a gold grade of 1.11 g/t (0.789 million ounces; Hulse et al. 2020)(3); the AurMac Mission with an Indicated Mineral Useful resource of 112.5 million tonnes grading 0.63 gram per tonne gold (2.274 million ounces)(4) plus an Inferred useful resource of 280.6 million tonnes grading 0.60 g/t gold (5.454 million ounces)(4), the Valley Deposit, with a present Measured and Indicated Mineral Useful resource of seven.94 million oz gold at 1.21 g/t and an extra Inferred Mineral Useful resource of 0.89 million oz at 0.62 g/t gold(5), and the Raven deposit with an inferred mineral useful resource of 1.1 million oz (19.96 million tonnes at 1.67 g/t gold)(6). The QP has been unable to confirm the knowledge concerning the above useful resource estimations and the knowledge just isn’t essentially indicative of the mineralization on the property that’s the topic of the disclosure.
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