6 Mt (indicated category) grading 5.
* Turnover for the period amounted to KSEK 103 (0).0 metres (7. During the first quarter of the year the activated costs
for the development of the Suurikuusikko deposit increased to KSEK 150,049
(135,997).20.rehnstrom@riddarhyttan. Key features include:
support for synchronized web elements with the streamed ad; the ability to do
server-side and client-side ad insertion so that ads may be targeted on a one-
to-one basis; and an auditing method that provides continuous audience data
throughout a live stream.

tietojenk miten

- 36.9 m core
section grading 4. To sum up it can be
established that all drill holes intersect the mineralised zones confirming
the company's beliefs regarding the continuity of the deposit at depth.2 grams of gold per tonne and 6.0 metres core section)
grading 3.3 metres core section (true
width approximately 8. To investigate the depth continuation of the zone an
additional hole was drilled in section 7537605 in the beginning of the year.
At a depth of approximately 280 metres it intersected the gold-bearing zone
which , at this position, has high grade and considerable width. The
mineralised core section representing the zone is 36.2 grams of gold per tonne (8.4 grams of gold per tonne). Between October 2004 and February 2005
the total gold resources have increased by approximately 14 % (from 2.9 million ounces). Liquid funds
including short-term investments amounted to KSEK 41,886 (58,071) at the end
of the period .pdf

Other Information
The technical basic data in this Quarterly report has been compiled by
Lars-GOran Ohlsson and Thomas Lindholm (Riddarhyttan Resources AB) who by
SveMin, Foreningen for gruvor, mineral- och metallproducenter, are registered
as "Qualified Persons".riddarhyttan.6 grams of gold per
tonne (1.

uutisryhm ytett

6 grams
of gold per tonne (including a sub-interval grading 8.0 m)
grading 4.

Exploration

(See appendix for more detailed presentation.7
grams of per tonne. The core section includes two sub-sections reporting
higher grades: 2.9 metres grading 8.9 grams of gold
per tonne.9 grams of gold per tonne.1 metres core section) grading
2.6 Mt grading 5.

Feasibility Study and Continued Exploration

The Board of Riddarhyttan has decided to begin the work with a final
feasibility study and to continue the drilling within Central Suurikuusikko
with six rigs.4 grams of gold per tonne (1.

Kaikki tietokoneisiin ja tietotekniikkaan liittyvt aiheet .

ydellinen laitteistot

6 m).
* Liquidity and short-term investments on March 31 amounted to KSEK 41,886
(58,071) . At a depth of 420 metres it consists of
two medium-grade sections (3.1 grams of
gold per tonne (2.
If a one gram per tonne cut-off is used in the new calculation, the
indicated resource increases to 10.6 Mt with an average grade of 5.

* The resource calculation was carried out by Thomas Lindholm and Bill
Fleshman (external consultant, Certified Professional Geologist in Australia ).

The Riddarhyttan Share
No change in the number of outstanding shares has occurred during January
- March 2005.
All analyses have been carried out by GTK's laboratory (accreditation code
T025). Changes in accounting principles as a result of the transfer to
international accounting principles have not affected the result and position
of the Group in a material way. According to the transfer rules, the year 2004
has been prepared according to the new international accounting principles.

Company information
Riddarhyttan Resources AB (publ), Aurorum 30, 977 75 Lulea, Sweden
CIN: 556534-7639
Phone: +46 (920) 758 97
Fax: +46 (920) 758 92
e-mail: info@riddarhyttan. Recent events include live FOX Sports college football games this
past fall and MSN's live Webcast of the New Year's Eve festivities in Times
Square.

About Lightningcast
Lightningcast a leading broadband media software company that provides
seamless content and ad insertion; stream customization and localization;
campaign management and reporting; targeting and auditing; audience
measurement and analytics; streaming operations and support; player
enhancements; media management; and other enabling technologies.lightningcast.

postin ytett

0 m core section (true width approximately 6.6 m core section (true width approximately 7.6 metres core section) and a gold grade of 4. At a depth of 535 metres in section 7536545, and at a depth of 340
metres in section 7536625, the Central Zone is represented by two adjacent
sub-zones (between one and two metres broad ) with gold grades between 1. It showed a total
tonnage of 14.9 grams of gold per tonne (1.
It resulted in 5. Result and Cash
Flow January - March 2005 and Financial Position The operating result for the
group of companies was KSEK -3,048 (-1,680). Companies and
partners utilizing Lightningcast 's platform include AOL, Microsoft,
Disney/ABC, MTV and others.

postin tietokone

7 m core section (true width approximately 24.9 metres core section grading 8. At a depth of 660
metres in section 7536800 the zone is narrow but high-grade (2.6 grams of gold
per tonne.1
Mt grading 3.
The primary objective of the new drill program will be to continue the
investigations of the depth extensions of known zones and to transfer
resources in the inferred category to an indicated category by infill
drilling.
This document is a translation of the original Quarterly report in
Swedish.

kaupat tietomuodot

1 grams of gold per tonne using 2.
* A new broad and more than 160 m long gold-bearing zone has been
indicated at a depth of 280 m in Central Rouravaara.1 grams
of gold per tonne.
- The Eastern Zone: 15 .
* Result after tax per share was SEK -0.0 metres (12.4 grams of gold per tonne respectively .0 metres true width) with an average gold grade of 5. Total resources amounts to 17.81 million ounces ). During this
period, the share price increase by 7. The primary business idea is,
by means of exploration and acquisition acquire new occurrences, which through
detailed exploration can be advanced to economic resources.74 million ounces) and inferred resources are estimated to 7. For more
information on Lightningcast products and technology, please visit
http://www.

ohjelmista nordicos

0 g/t as cut
off (2.3 m core section (true width approximately 10.
- 10.
* Result after tax for the period was KSEK -2,963 (-1,438).)
The Main Occurrence is characterised by several gold-bearing zones, the
following being the largest and richest: the Western Zone, the Central Zone,
the Kuukkeli Zone and the Eastern Zone.2 metres (13.0 metres core section
grading 3.1 grams of gold per tonne. The calculation
which was carried out by Riddarhyttan with the aid of an external consultant*,
included all drill holes reported up to mid-February 2005.
Using a cut-off of two grams of gold per tonne, the indicated resource
amounts to 9.8 million ounces) and the inferred resource increases to 9.

** A block model with dimensions 3 x 5 x 10 m (with x height x length) was
calculated using inverse distance squared.
- A study comparing different oxidation methods (SNC
Lavalin, Canada ).65 to 8.com.

ohjelmista laitteistot

LULEA, Sweden,

* The total tonnage in the central Suurikuusikko Trend (Finland ) has been
estimated to 17.
* Deepest hole so far drilled in Suurikuusikko intersects the Western Zone
approximately 730 m below surface where it is represented by a 7. The gold-bearing zone is
represented by a 7.
At a depth of 590 metres (section 7536545) the zone has a width of
approximately 7.2 metres core length grading 4.9 grams of gold per
tonne. Continued low
interest rates has led to a profit from financial investments of KSEK 85
(242).info/86971/R/990210/148801.6 Mt
grading 4.

hdekoodin ohjelmointi

- 7.0 grams of gold per tonne. If adjacent low-grade sections are included the mineralised core
section has a length of 21.
The broad and high-grade part of the Central Rouravaara Zone is still open
towards the depth as well as to the north and south in the strike direction.6 Mt grading 4.4 grams of gold per tonne
(1.6 Mt inferred resources grading 6. The following sub-projects, which are in progress, are
expected to be finalized during May, 2005:

- An update of the Tailings Managements Facility regarding
design and size (PSV Maa-ja Vesi, Finland).
- Mineralogical study to investigate variations within, and
between, the different gold -bearing zones (SGS Lakefield, Canada).
The total assets of the group amounted to KSEK 200,234 at the end of the
quarter (202,806). During the same period previous year, the corresponding post
increased with KSEK 4,393 from 114,873 to 119,266.

tiet tietojenk

- 9.4 grams of gold per tonne (1.0 m) grading 5.1 m) grading 4.0 grams of gold per tonne.0 grams of gold per tonne.3 grams of gold per tonne.
Approximately 80 metres south of previous drill hole the gold-bearing zone
was intersected at a depth of 275 metres. Changes in the number of shares during 2005 and 2004 are shown
in a table below.

Lightningcast Providing Live Stream Ad Insertion for MSN Video

dokumentteja kaupat

2 Mt grading 5.9 grams of gold per tonne at a depth of 470 m.5 metres core length grading 4.5 metres core section grading 3. The mineralised core section, which
is 19.

Additional holes drilled during the period
During the period two holes have been drilled to test the depth
extension of the Etela Zone and the Northern Rouravaara Zone and one
hole has been drilled to test the continuation of the "new" Eastern
zone along the strike (see appendix).
Previous estimation using a cut off of two grams of gold per tonne was
carried out in the autumn 2004 (press release 2004-12-21). This implies that after the termination of the extensive drill
program in January 2005 the exploration has continued with the same intensity.
Heino Alaniska will be responsible for the mining part (open pit and
underground ) of the feasibility study while Thomas Lindholm will be
responsible for the process and water treatment parts.2 % from SEK 7. During the
same period, the OMX-index gained 4.ohlsson@riddarhyttan. WASHINGTON , Lightningcast, a leading software
provider for broadband advertising, today announced that Microsoft Corp.

yhteydenotto ohjelmointi

6 grams gold per tonne
over 11.03 (-0.5 and
4.4 metres) grades 3.8 million ounces).1 Mt inferred resources
grading 4.9 Mt indicated resources grading 7.
- Grinding variability (Minnovex , Canada).

Signing
Gothenburg 21 April 2005
RIDDARHYTTAN RESOURCES AB
The Board

For more information, please contact:
Lars-Goran Ohlsson, CEO, or
Johan Rehnstrom, Financial and Information Manager
Riddarhyttan Resources AB
Phone: +46 (920) 75899 alt +46 (920) 75894
Cell: +46 (705) 501948 alt +46 (705) 275107
Email: lars-goran.

sittelytieteet ytett

The core section includes a sub-interval grading 8. At this
position it is represented by a 10.7 million ounces) and
inferred resource was estimated to 7.0 grams of gold per tonne. These
are the same parameters that have been used on previous resource calculations.

ytett kaupat

This is the deepest level from which the
mineralised zones so far have been encountered.8 grams of gold per tonne. At this position the zone
has a width of 5.

The Eastern Zone
The Eastern Zone was intersected at a depth of 470 metres by a drill hole
in section 7536625.
The Central Rouravaara Zone constitutes the direct continuation of the
Kuukkeli Zone from which it can be followed approximately 550 metres
northwards to the Northern Rouravaara Zone (see appendix).6 metres.

Tonnage and Grade Calculation
At the beginning of March (press release 2005-03-03) Riddarhyttan
published a new calculation of tonnage** and grades within the detailed
investigated 4.2 Mt grading 5.6 grams of gold per tonne (2. As Riddarhyttan and
Agnico Eagle have signed a technical service agreement , resources from Agnico
Eagle, as well as other external specialists will be involved in the
feasibility study.se

Audit review
This interim report has not been subject to review by the auditors of the
company.
Lightningcast is privately held company based in Washington, DC.

tietokone tietojenk

9 grams of gold per tonne. In section
7536505 it was intersected at a depth of 370 metres.3 metres (true width approximately 10.2 grams of
gold per tonne (1.
- Trial mining (to get "ore " for the flotation tests).se

Riddarhyttan Resources AB is an exploration company with occurrences of
precious metals in the Nordic Region of Europe.07 million ounces) (cut off 2 g/t).

tietotekniikka sittelytieteet

8 million ounces).
- The Western Zone: 12.9 metres core section grading 4.7 grams of gold per tonne.1 grams of gold per tonne) and at a depth of 350 metres in
section 7536505 it has a width of 3.6 grams of gold
per tonne of over 11.5 km long part of the Suurikuusikko Trend.47 to
2. Total resource
amounts to 19.

ohjelmat ydellinen

* Additional drilling increases the depth extensions of the gold-bearing
zones in the Main Deposit.3 m core section (true width approximately 8.

The Central Zone
At a depth of 690 metres (section 7536800) the Central Zone is represented
by a 4.0 metres core length) grading 2.6 grams
per ton.
The encouraging result justified that the extension of this new high-grade
part of the zone was tested by two more holes in February and March.
To sum up the holes so far drilled to test the zone show that it, at a depth
of approximately 280 metres, can be followed at least 160 metres in the strike
direction. The search ellipse for indicated
material was 5 x 40 m and for inferred material 10 x 100 m respectively. The
composited assay values were cut at 45 g /t in the interpolation process.
Above mentioned factors have affected the cash-flow negatively.

ohjelmista tietojenk

0 metres) with an average grade of 5. Up to January 2005
the Central Rouravaara Zone had only been investigated by shallow drill holes
which showed that the gold-bearing zone in the surface near parts generally is
narrow and low-grade.7 grams of gold per tonne and 6. is
using its Live Stream Advertising Management System to support live events on
MSN Video.

The names of the actual companies and products mentioned herein may be the
trademarks of their respective owners.

kysymyksiin postin

The Western Zone was also intersected by
two holes drilled in section 7536625. It is represented by a 15.2 metres core
section grading 7. It includes several shorter sub-sections reporting higher grades
(between 5 and 7 grams of gold per tonne).
The second hole, drilled 80 metres further to the south, intersected the
gold-bearing zone at approximately the same depth (280 metres).0 metres core section (true width
approximately 6.1 metres) grading 4. A
calculation using four grams per tonne as cut off has also been carried out.
- Calculation of tonnage and grade (B.

The development of the price, and the turn-over, for the Riddarhyttan
share in the first quarter of 2005 is shown in the diagram below.

Future reporting dated
Quarterly report, 2nd quarter: 2005-08-19
Quarterly report, 3rd quarter: 2005-11-16
Financial statement 2005: 2006-02-16

Principles of Accounting
This interim report has been prepared in accordance with IAS 34 on interim
reporting.

tietotekniikka nordicos

- 19.0 m)
grading 5.5 metres (5.7 meters (corresponds to
approximately 24.
Cash flow for the group of companies amounted to KSEK -16,185 (-6,673).

5 %.

http://hugin.6 Mt grading 5.
Lightningcast's Live Stream Advertising Management System is a fully
managed content and ad replacement solution for live video streams that
leverages the best of television and the Internet, allowing for dynamic
advertising, targeting, auditing, and interactivity.

vyys avoimen

6 grams of gold per tonne (1.6 Mt (inferred category) grading 4.7 grams of gold per tonne at a depth of 590 m. Since the drill holes reported in the
Financial Statement (2005-02-16) another five holes have been drilled to test
the depth extensions of these zones (see appendix).se alt
johan.

ytett hdekoodin

7
million ounces).1
million ounces). At a depth of 400 metres in
section 7536505 the zone has a width of 9. At a
depth of 300 metres in the same section the Eastern Zone is represented by a
3.6 grams of gold per tonne (1.9 Mt grading 5.8 Mt indicated
resources grading 5.1 million ounces).
- A geotechnical study to determine rock mass quality to optimise
open pit and underground mining (Gridpoint, Finland).
- Tests to optimise the flotation and to increase the
- recovery (GTK Mineral Technology, Finland). Fleshman, USA).
- A variography study has been carried out (Reserva

International LLC, USA) to elucidate the criteria for classifying tonnage
in different categories (measured, indicated and inferred).

In case of divergence, the Swedish version shall have precedence.se
http://www.

miten postin

4 m) grading 3.01).

The Western Zone
At a depth of 730 metres in section 7536800 the Western Zone was
intersected by a drill hole.9 grams per tonne.5 metres grading 4.1 million ounces).2 grams of gold per tonne
and 3.

laitteistot ohjelmista

Riddarhyttan Resources - Quarterly Report January - March 2005

6 grams
of gold per tonne (including several sub-intervals grading between 5 and 7
grams of gold per tonne) .9 metres
grading 4.6 grams of gold
per tonne and 3.5 grams of gold per tonne) and
at a depth of 620 metres it is represented by a 5.7 Mt grading 4.
- Pressure oxidation testwork (SGS Lakefield, Canada). A larger organization with more
employees and continued regional exploration have, compared with the same
period previous year, resulted in higher costs and higher loss. At the
Suurikuusikko deposit (Finland), which is Riddarhyttan's most advanced
project, indicated resources amounts to 9.