Slide 1: Sangihe Project Geological Deck
Sangihe Project Geological Deck July 2020
Slide 2: Forward looking information
This presentation con ns forward looking information w volve known and unknown ri and Ontario, which ir As ia Minera performance or achievements of rmanc perf variety of ris ents ents, i mineral resource th expectations t future exploration not be cx ents, equipment brea ptions in production, the po
Slide 3: Sangihe Island location and Contract of Work
Sangihe Island is located halfway (200kms) between Manado, North Sulawesi (Indonesia) and General Santos (Philippines). East Asia (EAS) owns 70% of PT. Tambang Mas Sangihe (PT. TMS) which holds the Sangihe Contract of Works (CoW).The Sangihe CoW is a 6% generation CoW issued in 1997 and acquired by
Slide 4: Sangihe Regional Geology Framework of Subduction Zones
The Sangihe Regional Geology Framework of Subduction Zones is best described by Rangin et al (1996) as shown in the Figure below and Lallemandet al (1998) as shown in the cross section from A to B on the following slide. ~e ies Bose LA tesscction seve Approximate tectonic features. Note the subducti
Slide 5: Regional Geology X-Section
ology X-Section The Sangihe Regional Geology Framework of Subduction Zones in Cross Section best described by Lallemand et al (1998) as shown in the Figure below from A to B looking North. A B Sangihe Sangihe Trench Cotobato Trench forearc basin Snellius Ridge Sangihe Arc Talaud Ri "f Sangihe alaud
Slide 6: High Sulphidation Epithermal Au-Ag Model
High Sulphidation Epithermal Au-Ag Model According to Leeuwen and Pieters (2011) “There are four groups of regions included as a type of high sulphidation epithermal deposit present in North Sulawesi region, such as Motomboto (Tombulilato), Lanut, Bakan, and Binebase- Bawone (Sangihe Island).” Motom
Slide 7: South Sangihe Regional Geology
South Sangihe Sangihe Island has two major volcaniccentres in the ee ‘egional Geology active Awak strato volcano at the northern end and the dormant Kakiraeng strato volcano at the south west end of the island. The CoW area of Sangihe Island is dominated by andesite flow of clinopyroxene, breccia, l
Slide 8: South Sangihe stratigraphy and volcanic successions
According to Garwin (1990) “five main volcanic successions and one sedimentary group have been identified in the South Sangihe area. The oldest being the Taware and Binebase Groups which are unconformably overlain by Malisangand Batunderang Groups. These pre-date the Tamako Group which are an erupti
Slide 9: Lithology samples and Binebase breccia outcrops
(A) Andesite plagioclase flare; (B) Porphyry of andesitic plagioclase- biotite-hornblende-magnetite; (C) Tuff andesite crystals, side rocks against ore in Bawone, with broken plagioclase crystals and slight lithic fragments; (D) Rhyolite stream-plated, the lowest unit in the Binebase Group. (Scale 1
Slide 10: Exploration activities 2007-2013 summary
Since acquiring the CoW in 2007 PT TMS has conducted Geochemical, Geophysical and Geological Exploration activities between 2007 and 2013 as summarized in the table below. Drilling 16,585m (177 holes ) Drilling samples laboratory analysis 13,699 samples Surface samples laboratory analysis (Trenchand
Slide 11: Geochemical exploration at Binebase
PT TMS conducted Geochemical exploration at Binebase with the excavation and sampling of 35 trenches with a total of 1,492m between 2007 and 2009. The results showing Au assays of trenches, Au ore zone (yellow shading), and drill traces are shown in the figure below. m0 700,700 me 7o.s00 | 000 mt 3
Slide 12: Geochemical exploration at Bawone
eal Explorati PT TMS conducted Geochemical exploration at Bawone with the excavation and sampling of 7 trenches with a total of 126m between 2007 and 2009. The results showing Au assays of trenches and drill traces are shown in the figure below. [Sim @@ 203 pi Au So plAg O03 SGU Bqoer? — = ilieoen T
Slide 13: Airborne Magnetic and Radiometric Surveys
GFX Surveys in March 2011 conducted Airborne Magnetic and Radiometric Surveys using the parameters shown inthe table below and over the flight path grid of 2300km shown in the figure below right. Survey Fistor: Bell 2068 Jerange’ Helicopter wth singer eS Dots Acquisition and Survey System: | Pico En
Slide 14: Geophysical Exploration
eophys ae ~ sical,Exploration GFX Surveys CoW area Airborne generated Digital Elevation Model shown on the left and Total Magnetic Intensity Reduced to Pole with Prospect Locations and Interpreted Anomalies shown in the figure below right PT TAMBANG MAS SANGIHE SANGIHE ISLAND REPUBLIC OF INDONESIA H
Slide 15: Ground Magnetic Survey
Ground Magnetic Survey Survey conducted for PT TMS by PT Geoservices in August & September 2008. Survey lines were spaced at 50 m intervals with stations every 10 m. The reduced to pole datais shown in the Figure to the right which shows a close spatial association of gold bearing sulphide mineraliz
Slide 16: Induced Polarisation (IP) Ground Survey
Induced Polarisation (IP) Ground Survey ¢ Time-domain IP dipole - dipole surveys conducted for PT TMS by PT Geoservices in December 2007 on Binebase and Bawone. A total of 48.3 km of 50 m IP dipole-dipole data were generated on the Binebase and Bawone prospects on an area of 3.54 km2 on tracks withi
Slide 17: Binebase Interpreted Lithology plan view with drill hole traces
Binebase Interpreted Lithology plan view with drill hole traces t The lithology exposed i i at the Binebase prospect (shown in Figure Right) consists of andesite pyroclastic rocks from the Binebase Group, which are intruded by hydrothermal breccia and partially covered by the Pintareng Formation. Wi
Slide 18: Binebase Interpreted Lithology section
BINEBASE INTERPRETED LITHOLOGY : ‘ = SECTION C-C" SSE LOOKING NE — (lecweeseweee
Slide 19: Binebase gold mineralization zones
ss Binebase exploration has so far identified the emission of Au mineralization in zones that move east-northeast to the northeast as shown in the plan view figure below. The Binebase gold & silver mineralization usually occurs in iron-oxide-converted rocks (both silica and clay dominance) near the
Slide 20: Binebase Alteration Cross Section
dz, ati a n CrossSection x, The Figure below shows a Schematic cross section looking North East of the Interpreted Alteration of the Binebase Prospect, which illustrates the form of ‘torch’ mineralization (flare). 100 BINEBASE INTERPRETED ALTERATION SECTION C-C’ LOOKING NE LEGEND hematmc rane Men) k
Slide 21: Bawone Interpreted Subsurface Lithology
inf It aie iealtinterpretations. Bawone Interpreted Subsurface Lithology plan view Beneath the Pintareng Formation | LEGEND At Bawone, the lithology is i j A : - | interpreted as thick andesite flows which have accumulated above rhyolite plagioclase- quartz flared textured streams. This unit is intr
Slide 22: Bawone Geological Cross Sections
Cross Section A-A’ shows the Pintareng Formationin brown, The Andesitic crystal tuff in green, the Volcanic Dacite flow in orange and the Porphyritic Andesite in pink. Cross Section B-B’ shows the Pintareng Formationin brown, The Andesitic crystal tuff in green and the Polymictic Intrusive Breccia i
Slide 23: Historical drilling summary 1986-2013
gration: Drilling... The following is a tabulation of summaries of drilling activities at different periods from 1986 to 2013 and on different prospects by the companies which have owned the Sangihe CoW including P.T. Meares Soputan Mining, Ashton Mining, Bre-X and East Asia Minerals Corporation. Pr
Slide 24: Binebase drill core gold intercepts
Ming Core, a aT #. — | PT. EAST ASIA MINERALS INDONESIA DATED A2/2007 | a sir ren “DRY , wou. rro9.55_iI725 M5 Binebase Drill Core of BID014 from 9.55m — 17.25m Gold Intercept of7.7 metres @ 4.07g/t. Binebase Drill Core of BID128 from Om — 6.10m Gold Intercept of 6.1 metres @ 2.12g/t.
Slide 25: Binebase drill core BID133 intercept
hide Drilling Core Binebase Drill Core of BID133 from 111.45m —119.15m Gold Intercept of7.7 metres @ 1.38g/t. TRAYS 33-34
Slide 26: 2010 Mineral Resource Estimates
ounces of silver. In September 2010, Stone (2010) completed an Independent Technical Report, compliant with National Instrument 43-101 ("NI 43-101"), companion policy NI 43- 101CP and Form 43-101F1 includinga resource estimate for the Sangihe Contract of Work tenement summarized in Table 1 below whi
Slide 27: 2013 Mineral Resource Estimates (Taylor, 2013)
Table 2: 2013 Mineral Resource Estimates (Taylor, 2013) Oxide Resources at Binebase at 0.25 g/t Au cut-off In July 2013 upon completion of the Drilling Program by EAMCin compliance |_Type_| Tonnes (t) | Au (git) | Ag (g/t) | Au (oz) |_Ag (oz) * . . Indicated | 2.286.100 0.77 20.57 56.600 | 1,511,900
Slide 28: Binebase Resources Comparison
Ources;Comparison A comparison between the block model interpretations at Binebase show that the (Stone, 2010) sulphide domain appears to be a vertical extrapolation of their oxide domain to a fixed base across the entire model as shown in the figure below. The extra drill holes used in the (Taylor,
Slide 29: Bawone Resources Comparison
brses Gompatisen. A comparison of the Bawone resource estimations shows a much larger number of drill holes and assay data used in the (Taylor, 2013) Resource Estimate has allowed a more constrained interpretation of mineralisation boundaries. The (Stone, 2010) Inferred Resource also appear to inclu
Slide 30: Binebase Starter pits resource model (2017)
Sree Melt aun In May 2017 lan Taylor reviewed his Resource Models from Taylor(2013) and submitted the Binebase Model shown below which was used for Starter Pit Designs by Geomine Mining and Geotechnical Consultants (GeoMine) subcontractors of Quantus Engineering. MOE THAOOE 7941 008 7942001 VOUE TOA
Slide 31: Geotechnical and Metallurgical drill hole locations
Geotechnical and Metallurgical drill hole locations for the tests and the broad site setting are shown in the following sketch From August to December 2017 a total of 3 Geotechnical, 2 Hydrogeological and 4 Metallurgical drill holes were drilled for the test work requirements to complete the Indones
Slide 32: Geotechnical test results and slope recommendations
icahtestsresults, Based on the Geotechnical Drill hole core test work results PT Ground Risk Management the Geotechnical Consultants provided the following interim recommendations. Source Ballantyne (2018) For initial section slope design (based on actual site elevations (ie, in relationto mean sea
Slide 33: Cyanide bottle roll test results
Summary Table of cyanide bottle roll test results. Source Turner (2018) Feed Grind Size P100 26.5mm Comp ID Extraction, % Leach Time,| Calc. Head Grade, ppm [Leach Residue Grade, ppm Reagent Consumption Au Ag hrs Au Ag Au Ag NaCN, kg/t | Lime, kg/t BIM23 94.6 18.0 313 1.15 13.5 0.06 11.0 04 29 BIM46
Slide 34: Binebase Pit A and Pit B resource tables
Pit A Binebase (Aa) Zs —— Resoure Cogn, | Cimherng| Yoke | Tonnes | AuPpmkrg] Asem kre] Au(er) | Ag(ox) Option Iedestat_|Feb 3sim| 79.087 ar] 325s] _5302| _s3i05 ~ Taogeting avg As > 1 pre 4 lediatat [Oxide 352196] 656.408 097 2212] 204m | 056515 4 ee Touldre 387303] 735893 108 Bz] 37m] ssooi1 ToulW
Slide 35: Resource Development Drilling
tlopment Drilling... Overall Site Layout with Resource Development Drilling for 2020 and beyond for Binebase & Bawone which should increase the resources to > 1,500,000 Ounces of Gold. Source Resindo (2019) altered by EAS (2020) ¥ 2 é 3 "| 4 i 7 ene mec resp = pees seyrntees Aeetetdis nakecdeks Mead
Slide 36: Contact Information
Contact Information East Asia Minerals Corporation 905 W. Pender St., Suite 210 Vancouver, BC Canada V6C 1L6 T: +1-604-684-2183 F: +1-604-357-1987 Main Corporate Contact: Terry Filbert CEO & Chairman E: tfilbert@eastasiaminerals.com Geological Contact: Frank Rocca Chief Geologist E: rocca@eastasiami