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International Tower Hill Continues to Expand Livengood Deposit in the Sunshine-Core Zone Gap Area


Intercepts Include: 58 metres @ 1.2 g/t gold
63 metres @ 1.0 g/t gold
37 metres @ 1.3 g/t gold

Vancouver, B.C........International Tower Hill Mines Ltd. ("ITH" or the "Company") - (TSX: ITH,
NYSE-A: THM, Frankfurt: IW9) is pleased to announce the results for an additional 14 holes of the 2010
winter drilling campaign at the Livengood gold project, Alaska (Figure 1). The winter drilling program is
focussed on expanding and adding confidence to the existing resource by infilling and stepping out in the
permafrost gap areas of the deposit. Drill holes MK-RC-0310 (114 cumulative gram metres), MKRC-
0316 (141 gram metres), and MK-RC-320 (117 gram metres) continue to close the area between
the Core and the Sunshine Zones with an expansion of higher grade mineralization (Table 1).

Results from holes MK-RC-320 and 322 are highly encouraging for expanding the Sunshine Zone and
gap area to the north into an untested area of the gold system. These holes will be followed up with
additional step out holes to assess the potential of this new and expanding area of the deposit.

In addition to the results from the gap area and north Sunshine areas, seven new, permafrost, infill holes
from the Core Zone confirm continuity and grade in this key area of the deposit. With the recent
completion of drilling in of all the permafrost areas within the Core, Sunshine and Gap Zones, drilling is
now focused in the Southwest Zone, which remains fully open for expansion to the west. Fifteen holes
have been completed in this area, with several more planned prior to the end of the winter campaign. All
winter drill results are expected to be included in a new resource update planned for the third quarter of
2010. The summer 2010 drill campaign is scheduled to begin in early June and will involve over 40,000
metres of drilling focused on both resource expansion and project development requirements.

Work continues on a new Preliminary Economic Assessment (PEA) to evaluate a combined milling and
heap leach scenario for the deposit. The study aims to maximize the project economics with the addition
of a gravity/flotation milling circuit. Completion of the study is expected in the second quarter of 2010.
Table 1: Significant New Livengood Intercepts*

(*Intercepts are calculated using a 0.25g/t cutoff and a maximum of 3 metres of internal waste.
Cumulative gram metres is the sum of the grade thickness products for all intercepts, including many
which are not reported here.)

Drill Hole # From (metre)To (metre) Length (metres)Gold g/t)Cumulative grams x metres
MK-RC-0310 67.06 71.63 4.57 1.11 114.79
134.11 140.21 6.10 1.33
166.12 175.26 9.14 0.81
303.28 339.85 36.57 0.67
includes 315.47 323.09 7.62 1.12
342.90 376.43 33.53 0.92
includes 342.90 345.95 3.05 3.72
381.00 391.67 10.67 0.68
includes 382.52 387.10 4.58 1.12
MK-RC-0314 105.16 117.35 12.19 0.64 70.66
188.98 225.55 36.57 0.69
includes 207.26 213.36 6.10 0.99
MK-RC-0315 21.34 32.00 10.66 1.98 200.70
143.26 173.74 30.48 0.54
181.36 263.65 82.29 0.78
includes 185.93 192.02 6.09 1.45
includes 222.50 240.79 18.29 1.21
265.18 278.89 13.71 0.59
294.13 320.04 25.91 2.00
includes 301.75 315.47 13.72 3.34
MK-RC-0316 15.24 18.29 3.05 1.90 140.63
22.86 28.96 6.10 1.31
39.62 56.39 16.77 0.62
60.96 74.68 13.72 1.58
includes 71.63 74.68 3.05 5.78
88.39 102.11 13.72 0.78
includes 88.39 97.54 9.15 0.99
108.20 123.44 15.24 0.78
MK-RC-0316 161.54 208.79 47.25 0.73
includes 164.59 169.16 4.57 1.14
260.60 268.22 7.62 2.48
303.28 310.90 7.62 0.73
MK-RC-0317 144.78 179.83 35.05 0.91 58.76
includes 152.40 176.78 24.38 1.06
219.46 227.08 7.62 0.71
MK-RC-0318 0.00 6.10 6.10 2.06 53.45
44.20 68.58 24.38 0.81
includes 54.86 62.48 7.62 1.36
85.34 99.06 13.72 1.02
includes 88.39 94.49 6.10 1.65
MK-RC-0319 28.96 36.58 7.62 0.65 92.64
91.44 156.97 65.53 0.81
includes 94.49 129.54 35.05 1.01
181.36 192.02 10.66 1.13
208.79 216.41 7.62 1.48
230.12 231.65 1.53 3.87
MK-RC-0320 89.92 109.73 19.81 0.92 117.01
includes 94.49 100.58 6.09 1.76
147.83 163.07 15.24 1.56
includes 152.40 156.97 4.57 4.03
201.17 256.03 54.86 0.83
includes 204.22 207.26 3.04 1.89
includes 214.88 217.93 3.05 3.22
MK-RC-0322 188.98 246.89 57.91 1.20 96.39
MK-RC-0323 79.25 141.73 62.48 1.03 71.48
MK-RC-0324 126.49 175.26 48.77 0.84 62.74
includes 137.16 143.26 6.10 1.53
includes 155.45 167.64 12.19 1.10
176.78 188.98 12.20 0.80
MK-RC-0325 77.72 100.58 22.86 0.56 56.28
includes 92.96 99.06 6.10 1.06
106.68 111.25 4.57 7.72
MK-RC-0327 3.05 30.48 27.43 0.64 114.13
includes 4.57 9.14 4.57 1.99
172.21 178.31 6.10 1.21
182.88 262.13 79.25 0.64
includes 192.02 199.64 7.62 1.06
includes 230.12 233.17 3.05 2.90
274.32 281.94 7.62 0.92
includes 274.32 277.37 3.05 1.65
294.13 303.28 9.15 1.84
includes 294.13 297.18 3.05 4.93
MK-10-47 33.83 35.00 1.17 7.69 189.70
55.78 60.35 4.57 7.13
88.13 99.82 11.69 0.67
101.72 110.19 8.47 1.13
118.70 129.25 10.55 0.80
130.76 167.74 36.98 1.30
172.22 198.58 26.36 0.74
includes 195.00 197.05 2.05 3.43
201.47 222.20 20.73 0.86
235.48 242.69 7.21 0.79
247.80 256.05 8.25 0.93

Figure 1: Locations of new assay results and current cumulative grade thickness map. Grade thickness
contours are plotted relative to the location of mineralization in the subsurface in angled drill holes and so
are offset from the collar locations shown.

Livengood Project Highlights
 Drilling at the project continues to expand the deposit, with the current estimated resource only
representing a snapshot in time. The latest resource estimate (February, 2010) of 369 Mt at an
average grade of 0.78 g/t gold (9.3Moz) (Indicated) and 122 Mt at an average grade of 0.77 g/t
gold (3.0Moz) (Inferred), both at a 0.5 g/t gold cut-off grade, makes it one of the largest new gold
discoveries in North America.

The Core and Sunshine Zones together account for most of the higher grade mineralization
(Indicated Resources of 184 Mt at an average grade of 0.98 g/t gold and Inferred Resources of 56
Mt at an average grade of 0.99g/t gold, based on a cut-off grade of 0.70 g/t gold) and will form
the basis for starter pit design work.

Ongoing metallurgical studies are focussing on the potential use of milling, with a flotationgravity
circuit, which has returned initial recoveries of 88% with an 80% volume reduction and
offers significant potential for operational and capital cost savings. Test data for conventional
whole ore milling with a gravity-CIL system produced initial recoveries of 86% (See NR10-06).

Optimization work is ongoing for these processing alternatives, as they have potential to make
significant positive impacts on project economics.

The geometry of the currently defined shallowly dipping, outcropping deposit has a low strip
ratio amenable to low cost open pit mining which could support a high production rate and
economies of scale.

No major permitting hurdles have been identified to date.

The Company wishes to emphasize that the Livengood project has a very favourable logistical location,
being situated 110 road kilometres north of Fairbanks, Alaska along the paved, all-weather Elliott
Highway, the Trans-Alaska Pipeline Corridor, and the proposed Alaska natural gas pipeline route. The
terminus of the Alaska State power grid lies approximately 55 kilometres to the south.

ITH controls 100% of its approximately 125 square kilometre Livengood land package, which is made up
of fee land leased from the Alaska Mental Health Trust, a number of smaller private mineral leases and
115 Alaska state mining claims. The Company and its predecessor, AngloGold Ashanti (U.S.A.)
Exploration Inc., have been exploring the Livengood area since 2003, with the project's first indicated
resource estimate being announced in early 2008. The 2009 resource expansion drilling significantly
expanded the Money Knob deposit, which remains open for continued expansion in 2010 and beyond.
Money Knob is emerging as one of the world's largest new gold deposits and is located in one of the most
stable and mining friendly jurisdictions in the world.

Geological Overview
The Livengood Deposit is hosted in a thrust-interleaved sequence of Proterozoic to Palaeozoic
sedimentary and volcanic rocks. Mineralization is related to a 90 million year old (Fort Knox age) dike
swarm that cuts through the thrust stack. Primary ore controls are a combination of favourable lithologies
and crosscutting structural zones. In areas distal to the main structural zones, the selective development
of disseminated mineralization in favourable host rocks is the main ore control. Within the primary
structural corridors, all lithologies can be pervasively altered and mineralized. Devonian volcanic rocks
and Cretaceous dikes represent the most favourable host lithologies and are pervasively altered and
mineralized throughout the deposit. Two dominant structural controls are present: 1) the major shallow
south-dipping faults which host dikes and mineralization which are related to dilatant movement on
structures of the original fold-thrust architecture during post-thrusting relaxation, and 2) steep NW
trending linear zones which focus the higher-grade mineralization which cuts across all lithologic
boundaries. The net result is broad flat-lying zones of stratabound mineralization around more vertically
continuous, higher grade core zones with a resulting lower strip ratio for the overall deposit and higher
grade areas that could be amenable for starter pit production.

The surface gold geochemical anomaly at Livengood covers an area 6 kilometres long by 2 kilometres
wide, of which approximately half has been explored by drilling to date. Surface exploration is ongoing
as new targets are being developed to the northeast and west of the known deposit.
Qualified Person and Quality Control/Quality Assurance

Jeffrey A. Pontius (CPG 11044), a qualified person as defined by National Instrument 43-101, has
supervised the preparation of the scientific and technical information that forms the basis for this news
release and has approved the disclosure herein. Mr. Pontius is not independent of ITH, as he is the
President and CEO and holds common shares and incentive stock options.

The work program at Livengood was designed and is supervised by Dr. Russell Myers, Vice President,
Exploration, and Chris Puchner, Chief Geologist (CPG 07048), of the Company, who are responsible for
all aspects of the work, including the quality control/quality assurance program. On-site personnel at the
project photograph the core from each individual borehole prior to preparing the split core. Duplicate
reverse circulation drill samples are collected with one split sent for analysis. Representative chips are
retained for geological logging. On-site personnel at the project log and track all samples prior to sealing
and shipping. All sample shipments are sealed and shipped to ALS Chemex in Fairbanks, Alaska for
preparation and then on to ALS Chemex in Reno, Nevada or Vancouver, B.C. for assay. ALS Chemex's
quality system complies with the requirements for the International Standards ISO 9001:2000 and ISO
17025:1999. Analytical accuracy and precision are monitored by the analysis of reagent blanks, reference
material and replicate samples. Quality control is further assured by the use of international and in-house
standards. Finally, representative blind duplicate samples are forwarded to ALS Chemex and an ISO
compliant third party laboratory for additional quality control.

About International Tower Hill Mines Ltd.
International Tower Hill Mines Ltd. is a resource exploration company, focused in Alaska and Nevada,
which controls a number of exploration projects representing a spectrum from early stage to the advanced
multimillion ounce gold discovery at Livengood. ITH is committed to building shareholder value through
new discoveries while maintaining a majority interest in its key asset, thereby giving its shareholders the
maximum value for their investment.

On behalf of
INTERNATIONAL TOWER HILL MINES LTD.
(signed) Jeffrey A. Pontius
Jeffrey A. Pontius,
President and Chief Executive Officer

Contact Information: Quentin Mai, Vice-President - Corporate Communications
E-mail: qmai@internationaltowerhill.com
Phone: 1-888-770-7488 (toll free) or (604)683-6332 / Fax: (604) 408-7499

Cautionary Note Regarding Forward-Looking Statements
This press release contains forward-looking statements within the meaning of Section 27A of the Securities Act and Section 27E of the Exchange Act. All statements, other than statements of historical fact, included herein including, without limitation,
statements regarding the anticipated content, commencement and cost of exploration programs, anticipated exploration program results, the discovery and delineation of mineral deposits/resources/reserves, the potential for the expansion of the estimated resources at Livengood, the potential for any production at the Livengood project, the completion of a preliminary economic analysis of the Livengood project incorporating a milling scenario, the potential for higher grade mineralization to form the basis for a starter pit component in any production scenario, the potential low strip ratio of the Livengood deposit being amenable for low cost open pit mining that could support a high production rate and economies of scale, the potential for cost savings due to the high gravity concentration component of some of the Livengood mineralization, business and financing plans and business trends, are forward-looking statements. Information concerning mineral resource estimates and the preliminary economic analysis thereof also may be deemed to be forward-looking statements in that it reflects a prediction of the mineralization that would be encountered if a mineral deposit were developed and mined. Although the Company believes that such statements are reasonable, it can give no assurance that such expectations will prove to be correct. Forward-looking statements are typically identified by words such as: believe, expect, anticipate, intend, estimate, postulate and similar expressions, or are those, which, by their nature, refer to future events. The Company cautions investors that any forwardlooking statements by the Company are not guarantees of future results or performance, and that actual results may differ materially from those in forward looking statements as a result of various factors, including, but not limited to, variations in the nature, quality and quantity of any mineral deposits that may be located, variations in the market price of any mineral products the Company may produce or plan to produce, the inability of the Company to obtain any necessary permits, consents or authorizations required for its activities, the inability of the Company to produce minerals from its properties successfully or profitably, to continue its projected growth, to raise the necessary capital or to be fully able to implement its business strategies, and other risks and uncertainties disclosed in the Company's Annual Information Form filed with certain securities commissions in Canada and the Company's annual report on Form 40-F filed with the United States Securities and Exchange Commission (the "SEC"), and other information released by the Company and filed with the appropriate regulatory agencies. All of the Company's Canadian public disclosure filings may be accessed via www.sedar.com and its United States public disclosure filings may be accessed via www.sec.gov, and readers are urged to review these materials, including the technical reports filed with respect to the Company's mineral properties.

Cautionary Note Regarding References to Resources and Reserves
National Instrument 43 101 - Standards of Disclosure for Mineral Projects ("NI 43-101") is a rule developed by the Canadian Securities Administrators which establishes standards for all public disclosure an issuer makes of scientific and technical information concerning mineral projects. Unless otherwise indicated, all resource estimates contained in or incorporated by reference in this press release have been prepared in accordance with NI 43-101 and the guidelines set out in the Canadian Institute of Mining, Metallurgy and Petroleum (the "CIM") Standards on Mineral Resource and Mineral Reserves, adopted by the CIM Council on November 14, 2004 (the "CIM Standards") as they may be amended from time to time by the CIM.

United States shareholders are cautioned that the requirements and terminology of NI 43-101 and the CIM Standards differ
significantly from the requirements and terminology of the SEC set forth Industry Guide 7. Accordingly, the Company's
disclosures regarding mineralization may not be comparable to similar information disclosed by companies subject to the SEC's Industry Guide 7. Without limiting the foregoing, while the terms "mineral resources", "inferred mineral resources" and
"indicated mineral resources" are recognized and required by NI 43-101 and the CIM Standards, they are not recognized by the SEC and are not permitted to be used in documents filed with the SEC by companies subject to Industry Guide 7. Mineral resources which are not mineral reserves do not have demonstrated economic viability, and United States shareholders are cautioned not to assume that all or any part of a mineral resource will ever be converted into reserves. Further, inferred resources have a great amount of uncertainty as to their existence and as to whether they can be mined legally or economically.

It cannot be assumed that all or any part of the inferred resources will ever be upgraded to a higher resource category. In
addition, the NI 43-101 and CIM Standards definition of a "reserve" differs from the definition adopted by the SEC in Industry Guide 7. In the United States, a mineral reserve is defined as a part of a mineral deposit which could be economically and legally extracted or produced at the time the mineral reserve determination is made.

This press release is not, and is not to be construed in any way as, an offer to buy or sell securities in the United States.

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