United States
                       Securities and Exchange Commission,
                             Washington, D.C. 20549

                                    FORM 20-F

(Mark One)

/ /  REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES
     EXCHANGE ACT OF 1934

                                       OR

/X/  ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE
     ACT OF 1934

                   For the fiscal period ended: May 31, 2005

                                       OR

/ /  TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
     EXCHANGE ACT OF 1934.

Commission file number:

                           ICON public limited company
.................................................................................
             (Exact name of Registrant as specified in its charter)

                                     Ireland
.................................................................................
                 (Jurisdiction of incorporation or organization)

          South County Business Park, Leopardstown, Dublin 18, Ireland.
.................................................................................
                    (Address of principal executive offices)

Securities registered or to be registered pursuant to Section 12(b) of the Act:

                                                    Name of exchange
Title of each class                                 on which registered
--------------------------------------------------------------------------------

                                      None
--------------------------------------------------------------------------------

Securities registered or to be registered pursuant to Section 12(g) of the Act:
Title of each class
--------------------------------------------------------------------------------

American Depository Shares, representing Ordinary Shares, par value (euro)0.06
each Ordinary Shares, par value (euro)0.06 each
--------------------------------------------------------------------------------

Securities for which there is a reporting obligation pursuant to Section 15(d)
of the Act:
                                      None
--------------------------------------------------------------------------------
                                (Title of Class)
--------------------------------------------------------------------------------

Indicate the number of outstanding shares of each of the issuer's classes of
capital or common stock as of the close of the period covered by the annual
report: 13,899,096 Ordinary Shares.

Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act 1934 during
the preceding 12 months (or for such shorter period that the registrant was
required to file such reports), and (2) has been subject to such filing
requirements for the past 90 days:

Yes.........X......................          No...............................

Indicate by check mark which financial statement item the registrant has elected
to follow:

Item 17............................          Item 18.........X................


<PAGE>


TABLE OF CONTENTS


General..................................................................... 1

Cautionary Statement........................................................ 1

Part I

    Item 1.    Identity of Directors, Senior Management and Advisors........ 1

    Item 2.    Offer Statistics and Expected Timetable...................... 1

    Item 3.    Key Information.............................................. 2

    Item 4.    Information on the Company................................... 8

    Item 5.    Operating and Financial Review and Prospects.................19

    Item 6.    Directors, Senior Management and Employees...................28

    Item 7.    Major Shareholders and Related Party Transactions............32

    Item 8.    Financial Information........................................33

    Item 9.    The Offer and the Listing....................................34

    Item 10.   Additional Information.......................................35

    Item 11.   Quantitative and Qualitative Disclosures about Market Risk...41

    Item 12.   Description of Securities Other than Equity Securities.......41

Part II

    Item 13.   Defaults, Dividend Arrearages and Delinquencies..............42

    Item 14.   Material Modifications to the Rights of Security Holders
                 and Use of Proceeds........................................42

    Item 15.   Reserved.....................................................42

    Item 16.   Reserved.....................................................42

Part III

    Item 17.   Financial Statements.........................................43

    Item 18.   Financial Statements.........................................43

    Item 19.   Financial Statements and Exhibits............................43



<PAGE>



General

As used herein, "ICON plc" and the "Company" refer to ICON public limited
company and its consolidated subsidiaries, unless the context requires
otherwise.

Unless otherwise indicated, ICON's financial statements and other financial data
contained in this Form 20-F are presented in United States dollars ("$") and are
prepared in accordance with generally accepted accounting principles in the
United States ("U.S. GAAP").

In this Form 20-F, references to "U.S. dollars", "U.S.$" or "$" are to the
lawful currency of the United States, references to "pounds sterling",
"sterling", "(pound)", "pence" or "p" are to the lawful currency of the United
Kingdom, references to "Israeli Shekels" or "ILS" are to the lawful currency of
Israel, references to "Euro" or "(euro)" are to the European single currency
adopted by twelve members of the European Union (including the Republic of
Ireland, France, Germany & the Netherlands). ICON publishes its consolidated
financial statements in U.S. dollars.

ICON prepares its consolidated financial statements on the basis of a fiscal
year beginning on June 1 and ending on May 31. References to a fiscal year in
this Form 20-F shall be references to the fiscal year ending on May 31 of that
year. In this Form 20-F, financial results and operating statistics are, unless
otherwise indicated, stated on the basis of such fiscal years.


Cautionary Statement

Statements included herein which are not historical facts are forward looking
statements. Such forward looking statements are made pursuant to the safe harbor
provisions of the U.S. Private Securities Litigation Reform Act of 1995 (the
"PSLRA"). The forward looking statements involve a number of risks and
uncertainties and are subject to change at any time. In the event such risks or
uncertainties materialize, our results could be materially affected. The risks
and uncertainties include, but are not limited to, dependence on the
pharmaceutical industry and certain clients, the need to regularly win projects
and then to execute them efficiently, the challenges presented by rapid growth,
competition and the continuing consolidation of the industry, the dependence on
certain key executives and other factors identified in ICON's Securities and
Exchange Commission filings. ICON has no obligation under the PSLRA to update
any forward looking statements and does not intend to do so.


Part I

Item 1.  Identity of Directors, Senior Management and Advisors.

Not applicable.

Item 2. Offer Statistics and Expected Timetable.

Not applicable.





                                       1
<PAGE>



Item 3.  Key Information.

Selected Historical Consolidated Financial Data for ICON plc
The following selected financial data set forth below are derived from ICON's
consolidated financial statements and should be read in conjunction with, and
are qualified by reference to, "Operating and Financial Review and Prospects"
and ICON's consolidated financial statements and related notes thereto included
elsewhere in this Form 20-F.

<TABLE>
<CAPTION>

                                                                                     Year Ended May 31,
                                                               2001            2002          2003          2004           2005

                                                                   (in thousands, except share and per share data)
        --------------------------------------------- ------------ --------------------------------------------------- --------

        Statement of Operations Data:
<S>                                                        <C>             <C>           <C>           <C>            <C>
        Gross revenue                                      $151,832        $218,842      $340,971      $443,875       $469,583
        Subcontractor costs (1)                            (35,669)        (62,287)     (115,246)     (146,952)      (142,925)
        --------------------------------------------- -------------- --------------- ------------- ------------- --------------
        Net revenue                                         116,163         156,555       225,725       296,923        326,658
        Costs and expenses:
          Direct costs                                       63,800          83,371       122,373       162,562        179,661
         Selling, general and administrative                 36,312          48,951        71,118        88,807        103,784
         Depreciation and amortization                        4,975           6,020         7,305        11,171         13,331
         Other charges                                            -               -             -             -         11,275
        --------------------------------------------- -------------- --------------- ------------- ------------- --------------
        Total costs and expenses                            105,087         138,342       200,796       262,540        308,051
        --------------------------------------------- -------------- --------------- ------------- ------------- --------------
        Income from operations                               11,076          18,213        24,929        34,383         18,607
        Net interest income                                   2,519           1,116           354           288            979
        --------------------------------------------- -------------- --------------- ------------- ------------- --------------
        Income before provision for income taxes             13,595          19,329        25,283        34,671         19,586
        Provision for income taxes                          (2,617)         (5,129)       (7,000)       (8,929)        (5,852)
        Minority interest                                         -               -             -             -          (189)
        --------------------------------------------- -------------- --------------- ------------- ------------- --------------
        Net income (3)                                      $10,978         $14,200       $18,283       $25,742        $13,545
        --------------------------------------------- -------------- --------------- ------------- ------------- --------------

        Net income per ordinary share (2)(3):
           Basic                                              $0.97           $1.22         $1.55         $1.94          $0.98
        --------------------------------------------- -------------- --------------- ------------- ------------- --------------
           Diluted                                            $0.92           $1.16         $1.50         $1.88          $0.96
        --------------------------------------------- -------------- --------------- ------------- ------------- --------------

        Weighted average number of ordinary
        shares outstanding:
           Basic                                         11,292,610      11,656,153    11,813,788    13,267,531     13,860,203
        --------------------------------------------- -------------- --------------- ------------- ------------- --------------
           Diluted                                       11,943,849      12,241,820    12,181,094    13,703,163     14,153,445
        --------------------------------------------- -------------- --------------- ------------- ------------- --------------

</TABLE>

<TABLE>
<CAPTION>


                                       2
<PAGE>

                                                                 As of May 31,

                                             2001            2002          2003          2004          2005
                                                                  (in thousands)
     Balance Sheet Data:
<S>                                      <C>             <C>           <C>           <C>           <C>
     Cash and cash equivalents           $ 11,179        $ 36,291      $ 18,311      $ 55,678      $ 56,341
     Short term investments                35,941          18,551             -        23,085        22,034
     Working capital                       61,147          72,923        53,827       113,813       125,288
     Total assets                         128,967         165,794       235,014       335,323       347,553
     Total debt                            11,518          11,745         7,126             -             -
     Government grants                        476             962         1,140         1,411         1,257
     Shareholders' equity                 $86,580        $107,561      $136,910      $216,760      $233,066

</TABLE>


(1)  Subcontractor costs comprise investigator payments and certain other costs
     reimbursed by clients under terms specific to each of ICON's contracts. See
     Note 2(d) to the Audited Consolidated Financial Statements.

(2)  Net income per ordinary share is based on the weighted average number of
     outstanding ordinary shares. Diluted net income per share includes
     potential ordinary shares from the exercise of options.

(3)  As explained in Note 19 to our Audited Consolidated Financial Statements,
     ICON adopted Statement of Financial Accounting Standards ("SFAS") No.142
     effective June 1, 2001. Under SFAS No.142, goodwill and intangible assets
     with indefinite lives are no longer amortized, but instead are tested for
     impairment at least annually. The following table provides a reconciliation
     of reported net income to adjusted net income and earnings per ordinary
     share excluding amortization expense for all periods presented:


<TABLE>
<CAPTION>

                                                                               Year ended May 31,
                                                              2001         2002           2003           2004          2005
                                                                                 (in thousands)
<S>                                                        <C>          <C>            <C>            <C>           <C>
     Reported net income                                   $10,978      $14,200        $18,283        $25,742       $13,545
     Add back amortization and impairment                      210            -              -              -             -
     ------------------------------------------------ ------------- ------------ -------------- -------------- -------------

     Adjusted net income                                   $11,188      $14,200        $18,283        $25,742       $13,545
     ------------------------------------------------ ------------- ------------ -------------- -------------- -------------

                                                                                  (in dollars)
     Basic net income per ordinary share reported            $0.97        $1.22          $1.55          $1.94         $0.98
     Add back amortization and impairment                     0.02            -              -              -             -
     ------------------------------------------------ ------------- ------------ -------------- -------------- -------------
     Adjusted  basic net income per  ordinary  share
     reported                                                $0.99        $1.22          $1.55          $1.94         $0.98
     ------------------------------------------------ ------------- ------------ -------------- -------------- -------------
                                                                                  (in dollars)
     Diluted net income per ordinary share reported
                                                             $0.92        $1.16          $1.50          $1.88         $0.96
     Add back amortization and impairment                     0.02            -              -              -             -
     ------------------------------------------------ ------------- ------------ -------------- -------------- -------------
     Adjusted  diluted net income per ordinary share
     reported                                                $0.94        $1.16          $1.50          $1.88         $0.96
     ------------------------------------------------ ------------- ------------ -------------- -------------- -------------

</TABLE>


                                       3
<PAGE>

Risk Factors

You should carefully consider the following factors and any other information in
this document before deciding to purchase our American Depository Shares
("ADSs").

We are dependent on the continued outsourcing of research and development by the
pharmaceutical, biotechnology and medical device industries.

     We are dependent upon the ability and willingness of the pharmaceutical,
biotechnology and medical device companies to continue to spend on research and
development and to outsource the services that we provide. We are therefore
subject to risks, uncertainties and trends that affect companies in these
industries. We have benefited to date from the tendency of pharmaceutical,
biotechnology and medical device companies to outsource clinical research
projects. Any downturn in these industries or reduction in spending or
outsourcing could adversely affect our business. For example, if these companies
expanded upon their in-house clinical or development capabilities, they would be
less likely to utilize our services. In addition, if governmental regulations
were changed, they could affect the ability of our clients to operate
profitably, which may lead to a decrease in research spending and therefore this
could have a material adverse effect on our business.

We depend on a limited number of clients and a loss of or significant decrease
in business from them could affect our business.

     We have in the past and may in the future derive a significant portion of
our net revenue from a relatively limited number of clients. During the fiscal
year ended May 31, 2005, 43% of our net revenue was derived from our top five
clients. In fiscal 2005, 12% of our net revenue was from Astra Zeneca plc, no
other client contributed more then 10% of net revenues. During the fiscal year
ended May 31, 2004, 40% of our net revenue was derived from our top five
clients. In fiscal 2004, 17% of our net revenue was from Astra Zeneca plc, no
other client contributed more then 10% of net revenues. During the fiscal year
ended May 31, 2003, 51% of our net revenue was derived from our top five
clients. In fiscal 2003, 21% of our net revenue was from Astra Zeneca plc, 11%
from Sanofi-Synthelabo Inc. and 10% from Pfizer, Inc.

If our clients discontinue using our services, or cancel or discontinue
projects, our revenue will be adversely affected and we may not receive their
business in the future or may not be able to attract new clients.

     Our clients may discontinue using our services completely or cancel some
projects either without notice or upon short notice. The termination or delay of
a large contract or of multiple contracts could have a material adverse effect
on our revenue and profitability. Historically, clients have canceled or
discontinued projects and may in the future cancel their contracts with us for
reasons including:

     o    the failure of products being tested to satisfy safety or efficacy
          requirements;

     o    unexpected or undesired clinical results of the product;

     o    a decision that a particular study is no longer necessary;

     o    poor project performance, insufficient patient enrollment or
          investigator recruitment; or

     o    production problems resulting in shortages of the drug.

If we lose clients, we may not be able to attract new ones, and if we lose
individual projects, we may not be able to replace them.



                                       4
<PAGE>


We compete against many companies and research institutions that may be larger
or more efficient than we are. This may preclude us from being given the
opportunity to bid, or may prevent us from being able to competitively bid on
and win new contracts.

     The market for CROs is highly competitive. We primarily compete against
in-house departments of pharmaceutical companies and other CROs including
Quintiles Transnational Corporation, Covance Inc., PAREXEL International
Corporation, Kendle International Inc., Ingenix Inc. (United Health Group
Incorporated), Omnicare Inc., PRA International Inc., MDS Inc., SFBC
International Inc., Charles River Laboratories, Inc. and Pharmaceutical Product
Development, Inc. Some of these competitors have substantially greater capital,
research and development capabilities and human resources than we do. As a
result, they may be selected as preferred vendors of our clients or potential
clients for all projects or for significant projects, or they may be able to
price projects more competitively than us. Any of these factors may prevent us
from getting the opportunity to bid on new projects or prevent us from being
competitive in bidding on new contracts.

Our quarterly results are dependent upon a number of factors and can fluctuate
from quarter to quarter.

     Our results of operations in any quarter can fluctuate depending upon,
among other things, the number and scope of ongoing client projects, the
commencement, postponement, variation and cancellation or termination of
projects in the quarter, the mix of revenue, cost overruns, employee hiring and
other factors. Our net revenue in any period is directly related to the number
of employees and the percentage of these employees who were working on projects
and billed to the client during that period. We may be unable to compensate for
periods of underutilization during one part of a fiscal period by augmenting
revenues during another part of that period. We believe that operating results
for any particular quarter are not necessarily a meaningful indication of future
results.

Our central laboratory business has been loss making and may continue to
experience losses in the future.

     Our central laboratory has experienced a period of underperformance over
the past number of years. To return this business to profitability we require
continued strong levels of new business awards and economies of scale in the
usage of both resources and lab inputs. If we do not achieve sufficient new
business awards and if these economies are not attained, then our central
laboratory may continue to make losses.

Approximately 85% of our net revenue is earned from long-term fixed-fee
contracts. We would lose money in performing these contracts if the costs of
performance exceed the fixed fees for these projects.

     Approximately 85% of our net revenue is earned from long-term fixed-fee
contracts. We have in the past and therefore will continue to bear the risk of
cost overruns under these contracts. If the costs of performing these projects
exceed the fixed fees for these projects, for example if we underprice these
contracts, if there are significant cost overruns or if there are unanticipated
delays under these contracts, our business, financial condition and operating
results could be adversely affected.

If we fail to attract or retain qualified staff, our performance may suffer.

     Our business, future success and ability to expand operations depends upon
our ability to attract, hire, train and retain qualified professional,
scientific and technical operating staff. We compete for qualified professionals
with other CROs, temporary staffing agencies and the in-house departments of
pharmaceutical, biotechnology and medical device companies. Although we have not
had any difficulty attracting or retaining qualified staff in the past, there is
no guarantee that we will be able to continue to attract a sufficient number of
clinical research professionals at an acceptable cost.

Failure to comply with the regulations of the U.S. Food and Drug Administration
and other regulatory authorities could result in substantial penalties and/or
loss of business.

     The U.S. Food and Drug Administration, or FDA, and other regulatory
authorities inspect us from time to time to ensure that we comply with their
regulations and guidelines, including environmental and health and safety
matters. In addition, we must comply with the applicable regulatory requirements
governing the conduct of clinical trials in all countries in which we operate.
If we fail to comply with any of these requirements we could suffer:

     o    the termination of any research;

     o    the disqualification of data;



                                       5
<PAGE>

     o    the denial of the right to conduct business;

     o    criminal penalties; and

     o    other enforcement actions.

Our exposure to exchange rate fluctuations could adversely affect our results of
operations.

     We derived approximately 43% of our net revenue in 2005 from our operations
outside of the United States. Our financial statements are presented in U.S.
dollars. Accordingly, changes in exchange rates between the U.S. dollar and
other currencies in which we report local results, including the pound sterling
and the euro, will affect the translation of a subsidiary's financial results
into U.S. dollars for purposes of reporting our consolidated financial results.

     In addition, our contracts with our clients are sometimes denominated in
currencies other than the currency in which we incur expenses related to such
contracts. Where expenses are incurred in currencies other than those in which
contracts are priced, fluctuations in the relative value of those currencies
could have a material adverse effect on our results of operations. We regularly
review our currency exchange exposure and hedge a portion of this exposure using
forward exchange contracts.

Liability claims brought against us could result in payment of substantial
damages to plaintiffs and decrease our profitability.

     We contract with physicians who serve as investigators in conducting
clinical trials to test new drugs on their patients. This testing creates the
risk of liability for personal injury to or death of the patients. Although
investigators are generally required by law to maintain their own liability
insurance, we could be named in lawsuits and incur expenses arising from any
professional malpractice actions against the investigators with whom we
contract. To date, we have not been subject to any liability claims that are
expected to have a material effect on us.

     Indemnifications provided by our clients against the risk of liability for
personal injury to or death of the patients vary from client to client and from
trial to trial and may not be sufficient in scope or amount or the providers may
not have the financial ability to fulfill their indemnification obligations.
Furthermore, we would be liable for our own negligence and that of our
employees.

     In addition, we maintain an appropriate level of worldwide Professional
Liability/Error and Omissions Insurance. The amount of coverage we maintain
depends upon the nature of the trial. We may in the future be unable to maintain
or continue our current insurance coverage on the same or similar terms. If we
are liable for a claim that is beyond the level of insurance coverage, we may be
responsible for paying all or part of any award.

We may lose business opportunities as a result of health care reform and the
expansion of managed care organizations.

     Numerous governments, including the U.S. government and governments outside
of the U.S., have undertaken efforts to control growing health care costs
through legislation, regulation and voluntary agreements with medical care
providers and drug companies. If these efforts are successful, pharmaceutical,
biotechnology and medical device companies may react by spending less on
research and development and therefore this could have a material adverse effect
on our business.

     For instance, in the past the U.S. Congress has entertained several
comprehensive health care reform proposals. The proposals were generally
intended to expand health care coverage for the uninsured and reduce the growth
of total health care expenditures. While the U.S. Congress has not yet adopted
any comprehensive reform proposals, members of Congress may raise similar
proposals in the future. We are unable to predict the likelihood that health
care reform proposals will be enacted into law.

     In addition to health care reform proposals, the expansion of managed care
organizations in the healthcare market may result in reduced spending on
research and development. Managed care organizations' efforts to cut costs by
limiting expenditures on pharmaceuticals and medical devices could result in
pharmaceutical, biotechnology and medical device companies spending less on
research and development. If this were to occur, we would have fewer business
opportunities and its revenues could decrease, possibly materially.



                                       6
<PAGE>

We may lose business as a result of changes in the regulatory environment

     Various regulatory bodies throughout the world may enact legislation which
could introduce changes to the regulatory environment for drug development and
research. The adoption and implementation of such legislation is difficult to
predict and therefore could have a material adverse effect on our business.

We may not be able to successfully develop and market or acquire new services.

     We may seek to develop and market new services that complement or expand
our existing business or expand our service offerings through acquisition. If we
are unable to develop new services and/or create demand for those newly
developed services, or expand our service offerings through acquisition, our
future business, results of operations, financial condition, and cash flows
could be adversely affected.

We rely on third parties for important services.

     We depend on third parties to provide us with services critical to our
business. The failure of any of these third parties to adequately provide the
needed services could have a material adverse effect on our business.

The Company may make acquisitions in the future, which may lead to disruptions
to its ongoing business.

     We have made a number of acquisitions and will continue to review new
acquisition opportunities. If we are unable to successfully integrate an
acquired company, the acquisition could lead to disruptions to the business. The
success of an acquisition will depend upon, among other things, our ability to:

     o    assimilate the operations and services or products of the acquired
          company;

     o    integrate acquired personnel;

     o    retain and motivate key employees;

     o    retain customers; and

     o    minimize the diversion of management's attention from other business
          concerns.

     Acquisitions of foreign companies may also involve additional risks,
including assimilating differences in foreign business practices and overcoming
language and cultural barriers.

     In the event that the operations of an acquired business do not meet our
performance expectations, we may have to restructure the acquired business or
write-off the value of some or all of the assets of the acquired business.



                                       7
<PAGE>




Item 4.  Information on the Company.

General

We are a contract research organization, or CRO, providing clinical research and
development services on a global basis to the pharmaceutical, biotechnology and
medical device industries. Our focus is on supporting the conduct of clinical
trials. We have historically done so by providing such services as Phase I - IV
clinical trials management, study design, laboratory services and drug
development support. We believe that we are one of a select group of CROs with
the capability and expertise to conduct clinical trials in most major
therapeutic areas on a global basis. As of May 31, 2005, we had approximately
2,700 employees and operations in 37 locations in 23 countries, including the
United States and major markets in Europe and Rest of World and have managed
clinical trials in over 55 countries. For the fiscal year ended May 31, 2005, we
derived approximately 57.2%, 37.2% and 5.6% of our net revenue in the United
States, Europe and Rest of World, respectively.

Headquartered in Dublin, Ireland, we began operations in 1990 and have expanded
our business through internal growth and strategic acquisitions.

On July 1, 2004 we acquired 70% of the outstanding share capital of Beacon
Bioscience, Inc., a leading specialist CRO, which provides a range of medical
imaging services to the pharmaceutical, biotechnology and medical device
industries.

On December 1, 2004, we acquired the workforce of Biomines Research Solutions
Private Limited, based in Chennai, India. The workforce is engaged in the
business of clinical trial data management and statistical analysis services and
has been transferred to our existing Indian operation.

During the fiscal year ended May 31, 2005, we commenced operations in Taipei,
Taiwan, Mexico City, Mexico and Sao Paulo, Brazil.

On July 27, 2005 the Board of Directors of the Company approved a change of the
Company's fiscal year end from a twelve-month period ending on May 31 to a
twelve-month period ending on December 31. The Company is making this change in
order to align its fiscal year end with the majority of other contract research
organizations. As a requirement of this change, the Company will report results
for the seven-month period from June 1, 2005 to December 31, 2005 as a separate
transition period in a Transition Report filed on Form 20-F. Going forward, the
Company's fiscal quarters will end on the last day of March, June, September and
December of each year.

ICON plc's principal executive office is located at: South County Business Park,
Leopardstown, Dublin 18, Republic of Ireland. The contact telephone number of
this office is 353 (1) 291 2000.

Industry Overview

     The CRO industry provides independent product development services for the
pharmaceutical, biotechnology and medical device industries. Companies in these
industries outsource product development services to CROs in order to manage the
drug development process more efficiently and cost-effectively to maximize the
profit potential of patent-protected products. The CRO industry has evolved
since the 1970s from a small number of companies that provided limited clinical
services to a larger number of CROs that offer a range of services that
encompass the entire research and development process, including pre-clinical
development, clinical trials management, clinical data management, study design,
biostatistical analysis, central laboratory and regulatory affairs services.
CROs are required to provide these services in accordance with good clinical and
laboratory practices, as governed by the applicable regulatory authorities.



                                       8
<PAGE>

     The CRO industry is highly fragmented, consisting of several hundred small,
limited-service providers and a limited number of medium-sized and large CROs
with global operations. Although there are few barriers to entry for small,
limited-service providers, we believe there are significant barriers to becoming
a CRO with global capabilities. Some of these barriers include the
infrastructure and experience necessary to serve the global demands of clients,
the ability to manage simultaneously complex clinical trials in numerous
countries, broad therapeutic expertise and the development and maintenance of
the complex information technology systems required to integrate these
capabilities. In recent years, the CRO industry has experienced consolidation,
resulting in the emergence of a select group of CROs that have the capital,
technical resources, integrated global capabilities and expertise to conduct
multiple phases of clinical trials on behalf of pharmaceutical, biotechnology
and medical device companies. We believe that some large pharmaceutical
companies, rather than utilizing many CRO service providers, are selecting a
limited number of CROs who are invited to bid for projects. We believe that this
trend will further concentrate the market share among CROs with a track record
of quality, speed, flexibility, responsiveness, global capabilities and overall
development experience and expertise.


Trends Affecting the CRO Industry

CROs derive substantially all of their revenue from the research and development
expenditures of pharmaceutical, biotechnology and medical device companies.
Based on industry surveys and investment analyst research, we estimate that
clinical development expenditures outsourced by pharmaceutical and biotechnology
companies worldwide in 2003 was in excess of $14 billion. We believe that the
following trends create further growth opportunities for global CROs, although
there is no assurance that growth will materialize.

Increasing Drug Development Activity.

Recent improvements in drug discovery and screening technology, biotechnology
and disease pathology have reduced the time to develop new drug candidates.
These improvements, combined with the threat of patent expirations on existing
drugs, have led drug developers to increase the rate at which they are creating
new drug candidates for clinical trials. As the number of trials that need to be
performed increases, we believe that drug developers will increasingly rely on
CROs to manage these trials in order to continue to focus on drug discovery. In
addition, as many biotechnology companies do not have a clinical development
infrastructure, we believe that the services offered by CROs will continue to be
in demand from such companies.

Pressure to Accelerate Time to Markets; Globalization of the Marketplace.

Reducing product development time maximizes the client's potential period of
patent exclusivity, which in turn maximizes potential economic returns. We
believe that clients are increasingly using CROs that have the appropriate
expertise to improve the speed of product development to assist them in
improving economic returns. In addition, applying for regulatory approval in
multiple markets and for multiple indications simultaneously, rather than
sequentially, reduces product development time and thereby maximizes economic
returns. We believe that CROs with global operations and experience in a broad
range of therapeutic areas are a key resource to support a global regulatory
approval strategy.

Cost Containment Pressures.

Over the last several years, drug companies have sought more efficient ways of
conducting business due to margin pressures stemming from patent expirations,
greater acceptance of generic drugs, pricing pressures caused by the impact of
managed care, purchasing alliances and regulatory consideration of the economic
benefit of new drugs. Consequently, drug companies are centralizing research and
development, streamlining their internal structures and outsourcing certain
functions to CROs, thereby converting previously fixed costs to variable costs.
The CRO industry, by specializing in clinical trials management, is often able
to perform the needed services with greater focus and at a lower cost than the
client could perform internally.

Increasing Number of Large Long-Term Post-Marketing Studies.

We believe that to establish competitive claims and to encourage drug
prescription by physicians in some large and competitive categories, more
clients need to conduct outcome studies to demonstrate, for example, that
mortality rates are



                                       9
<PAGE>

reduced by certain drugs. To verify such outcomes, very large patient numbers
are required and they must be monitored over long time periods. We believe that
as these types of studies increase there will be a commensurate increase in
demand for the services of CROs who have the ability to quickly assemble large
patient populations, globally if necessary, and manage this complex process
throughout its duration.

Increasing Regulatory Demands.

We believe that regulatory agencies are becoming more demanding with regard to
the data required to support new drug approvals and are seeking more evidence
that new drugs are safer and more effective than existing products. As a result,
the complexity of clinical trials and the size of regulatory submissions are
driving the demand for services provided by CROs.

Company Operating Procedures

We have developed a unique operating model for clinical trial projects based on
a "dedicated team approach" in which a team of full time professionals,
operating out of centralized offices, is assigned exclusively to each project.
This contrasts with the approach of many competitors whose staff typically work
on multiple projects at once, sometimes operating from non-office bases in
remote locations and some of whom may be part-time. We believe that this
operating model offers the following advantages:

     o    each client's project receives undivided attention and is executed
          efficiently as team members do not have conflicting demands;

     o    the absence of conflicting demands on the project team also ensures a
          high quality service;

     o    the dedicated team approach allows us to develop strong relationships
          with our clients and to be more responsive to our clients' needs;

     o    focused project teams facilitate efficient supervision of the project,
          enhance productivity and improve cost control; and

     o    less administration is required to co-ordinate assignments, leading to
          a more streamlined corporate management structure.

We believe our dedicated team approach has led to repeat business and an
expanding client base.

Strategy

We believe that our operating model based on dedicated teams differentiates us
from our competition in the CRO industry and enables us to deliver high quality
services to our clients. Our strategy is to continue to grow by applying this
model to penetrate further our existing client base and add new clients. We
intend to implement our strategy by continuing to deliver high quality services,
by increasing our geographic presence and by expanding the scale and range of
our services. We intend to supplement our internal growth with strategic
acquisitions.

Continue to Deliver High Quality Services and Customer Satisfaction. We believe
that our dedicated team approach allows us to provide high quality, timely and
cost effective services that are designed to be highly responsive to our
clients' needs. We believe that the resulting customer satisfaction and enhanced
reputation in the industry will continue to enable us to penetrate our existing
client base and add new clients. In the fiscal year ended May 31, 2005,
approximately 97% of our net revenue was derived from second or subsequent
projects with clients.

Expand Geographic Presence. We believe that the capability to provide our
services on a global basis in most major and developing pharmaceutical markets
enhances our ability to compete for new business from large multinational
pharmaceutical, biotechnology and medical device companies. We have expanded
geographically through the establishment of 37 offices in 23 countries and
intend to continue expanding into regions that have the potential to increase
our client base or increase our investigator and patient populations.



                                       10
<PAGE>

Increase Scale and Range of Services. We seek to enhance our competitive
position by increasing the scale and range of our services. We intend to expand
our clinical trials, central laboratory, digital imaging, IVRS (interactive
voice recognition system), data management, statistical and consulting
operations in order to capitalize further on the outsourcing opportunities
currently available from our clients.


Services

Consistent high quality performance is what we have come to stand for with our
clients, and a large part of our continued success is due to the high quality
standards we have set and delivered on projects to date. The achievement of
these quality goals is made possible by the implementation and maintenance of an
effective quality management system, which not only ensures that our business
and quality objectives are achieved, but which is sufficiently dynamic to
rapidly respond to changes in the clinical research and regulatory environments.

We maintain an integrated quality management system, which is designed to serve
the business needs while complying with Good Corporate Practice ("GCP")
guidelines, and which is structured according to the requirements of ISO 9000
international standards. The quality management documentation includes over 700
standard operating procedures ("SOP"s), working procedures and policies that are
implemented on a global basis. In addition, our independent quality assurance
division has the responsibility for assuring that processes conform to
pre-determined quality, ethical and regulatory standards.

One of the driving forces behind our quality performance is management
commitment to ISO 9000. Since 1994 when we were first registered to ISO 9002, we
have continued to undergo several quality systems surveillance audits each year,
in order to maintain global registration. In 2003 we attained the new ISO
9001:2000 standard.

This global registration is unique in the industry and demonstrates our
commitment to providing exceptional clinical research management services.





                                       11
<PAGE>



The range of clinical research services we provide facilitates the collection,
analysis and reporting of clinical trials data, which will ultimately become
part of a client's drug registration submission. The range of services is
outlined below:


Clinical Pharmacology

A critical step in the clinical development process is the confirmation of
safety and efficiency in new drug candidates. This is achieved through the
execution of Clinical Pharmacology or Phase I studies. These studies are
undertaken to determine the metabolic and pharmacological effects of drug
candidates in healthy volunteers.

Bioanalysis

Supporting the clinical development process, bioanalysis is carried to source
the data required for pharmacokinetic and pharmacodynamic analysis. Bioanalysis
quantifies the drug and its major metabolites in samples collected from cell
culture media, plasma, serum, and urine.

Pharmacokinetic and Pharmacodynamic analysis

Pharmacokinetic analysis is carried out to measure the effects of absorption,
distribution and elimination of a drug and its metabolites. Pharmacodynamic
analysis assesses the effects of new drug candidates on the physiology of the
body.

Study Protocol Preparation

This study protocol is the critical document provided to the investigator which
defines the study and details the procedures which must be followed for the
proper conduct of the trial. ICON has extensive experience in preparing study
protocols in a broad range of therapeutic areas.

Case Report Form ("CRF") Preparation

The CRF is a study specific document in which the investigator records all
relevant information on a trial patient in accordance with the requirements of
the protocol. ICON has the capability of producing CRFs for a wide variety of
therapeutic indications and in all required languages.

Clinical Trial Approvals

Prior to start-up, all clinical trials must be approved by the relevant
government agencies, by institutional review boards and ethics committees and by
certain other bodies in accordance with local requirements. ICON has extensive
experience in obtaining such approvals on a multinational basis.

Investigator Recruitment

The success of a clinical trial is dependent upon finding experienced
investigators who are capable of performing clinical trials in accordance with
the highest ethical and scientific standards. We have a database of several
thousand such investigators who are experienced in numerous therapeutic areas
and who have successfully completed many clinical trials for us.

Study Monitoring and Data Collection

As patients in a clinical trial are examined and tests are conducted in
accordance with the study protocol, patient data is recorded on CRFs and
laboratory reports. In order to ensure accurate results, we provide:

o    Specially trained monitors who visit sites regularly to ensure that the
     CRFs are completed correctly and that all data specified in the protocol
     are collected.

o    Personnel who review CRFs for consistency and accuracy before the data is
     entered into an electronic database.

o    Study monitoring and data collection services which comply with the FDA's
     good clinical practice guide lines and other relevant regulatory
     requirements.

Patient Safety Monitoring

In a clinical trial, patient safety is paramount. We have teams of trained
physicians and paramedical staff who review any serious adverse events which may
occur during a trial and prepare detailed reports of these events on a timely
basis for the pharmaceutical company and regulatory bodies as required.

Clinical Data Management

As the study progresses, the data from the CRFs is entered into databases that
are designed in accordance with the specifications of the project and the
particular needs of the client. We provide:

o    Personnel who screen the data to detect errors, omissions or other
     deficiencies prior to data entry.

o    Study specific computer programs which are written in order to validate the
     data.

o    The creation of a final database that is electronically transferred to a
     biostatistical group for subsequent analysis.



                                       12
<PAGE>

Biostatistical Services

Our biostatistical group primarily provides detailed analyses of data generated
from clinical trials. In addition to providing this in-house statistical
support, our biostatisticians assist clients with all phases of drug development
through biostatistical consulting, database design, data analysis and
statistical reporting.

Medical Reporting

The results of the statistical analysis of the data collected during the trial,
together with other clinical data are included in a final clinical trial report,
which may then become part of the drug registration submission. ICON's medical
reporting team prepare this report and may assist in the presentation of the
data in different formats, including for journal publication or for presentation
to international symposia.

Central Laboratory Services

An important element in monitoring patient safety during a clinical trial is the
conduct of various laboratory tests on the patient's blood, urine and other
bodily fluids at appropriate intervals during the trial. The analysis of these
samples must be standardized and the results must be promptly transmitted to the
investigator. Our central laboratory operation provides:

o    A broad range of sample analyses.

o    An efficient logistics system to ensure rapid receipt of samples from the
     investigator.

o    State of the art analytical technology.

o    Electronic transmission of test results to the investigator.

IVR (Interactive Voice Response)

IVR systems use the global telecommunication networks to transfer data to a
single, centrally located database. IVR systems are used in clinical studies
primarily for study site administration, enrolling and randomizing patients,
management of clinical supplies and collection of patient diaries.

Animal Health

The Animal Health division of ICON has broad capabilities in clinical research
for the development of drugs, vaccines, and devices for the global animal health
industry. The combination of expertise and geographical reach puts ICON in the
top tier of animal CROs globally. This group has been dedicated to animal health
clinical research for over 10 years and has experience in all target species and
all major pharmacological classes. Capabilities include: Complete clinical
project management, contract monitoring, data management, statistical analysis,
quality assurance services, final study reports, development consulting and
post-marketing survey management.

Regulatory Consultancy

Medicinal products are subject to strict regulatory requirements throughout
their development, testing and marketing. Authorization by drug regulatory
authorities is necessary prior to any product being marketed. The regulatory
processes and requirements are lengthy and complex. ICON's regulatory
consultancy division provides consultancy on global regulatory requirements
during development, advises on suitability of client's documentation for
regulatory approvals, prepares and submits applications for regulatory approvals
and provides post licensing regulatory support services.

Strategic Drug Development Services

The Strategic Development division of ICON has broad expertise and can offer a
full range of global services including regulatory affairs, CMC strategy and
management, product development strategy, project management though all phases
of clinical development, product life cycle management, quality, compliance,
pharmacokinetics, biopharmaceutics, biostatistics, clinical research,
preclinical research, data management, programming and biostatistics.

Digital Imaging

Beacon Biosciences, Inc., the digital imaging operation of ICON, has a strong
technology platform, focused on the centralized management, processing and
reading of digitized medical images generated in clinical trials, including
X-ray, MRI, CT, PET, Nuclear Medicine and Ultrasound.


                                       13
<PAGE>

Organizational Structure

<TABLE>
<CAPTION>

     Name                                                           Country of incorporation          Group ownership

<S>                                                                 <C>                                    <C>
     ICON Clinical Research (UK) Limited                            United Kingdom                         100%

     ICON Clinical Research Inc.                                    USA                                    100%

     ICON Clinical Research Limited                                 Republic of Ireland                    100%

     ICON Japan K.K.                                                Japan                                  100%

     ICON Clinical Research GmbH                                    Germany                                100%

     ICON Clinical Research Pty Limited                             Australia                              100%

     ICON Clinical Research S.A.                                    Argentina                              100%

     ICON Clinical Research SARL                                    France                                 100%

     ICON Clinical Research Pte.                                    Singapore                              100%

     ICON Clinical Research Israel Limited                          Israel                                 100%

     Medeval Group Limited                                          UK                                     100%

     ICON Laboratories, Inc.                                        USA                                    100%

     Managed Clinical Solutions, Inc.                               USA                                    100%

     ICON Clinical Research (Canada) Inc.                           Canada                                 100%

     Globomax LLC                                                   USA                                    100%

     ICON Clinical Research Espana S.L.                             Spain                                  100%

     ICON Clinical Research Kft                                     Hungary                                100%

     Beacon Bioscience, Inc.                                        USA                                     70%

     ICON Clinical Research India Private Limited                   India                                  100%

     ICON Clinical Research Mexico, S.A. de C.V.                    Mexico                                 100%

</TABLE>

      All shareholdings comprise ordinary shares.

      All subsidiary undertakings are involved in the provision of contract
      research services to the pharmaceutical, biotechnology and medical device
      industries.



                                       14
<PAGE>



Information Systems

Our information technology strategy is to build systems that help in the
delivery of our business strategy. The focus is to provide ease of access to
information for our staff and clients. Our current information systems are built
around open standards and leading commercial hardware and software. All critical
business systems are formally delivered following a documented approach.
Critical clinical information systems which manage clinical data are validated
in accordance with the latest FDA regulations and those of other equivalent
regulatory bodies throughout the world.

Recognizing that each client has its own requirements and systems, we seek to
ensure an entirely flexible approach to client needs. An example of this
flexibility includes linking directly to client systems or for a client to have
access to designated ICON systems. Frequently, we have established secure wide
area network, or WAN, links to the client's data systems, have trained our staff
in those systems and have delivered data on-line to the client's database. We
also provide secure remote access to our systems for clients to review their
study information.

We have deployed a suite of software applications that assist in the management
of our activities. These software applications are both internally developed and
commercially available applications from leading vendors in the industry. These
include a clinical trials management application that tracks all relevant data
in a trial and automates all management and reporting processes and an
investigator grants management application which utilizes this tracking data to
trigger payments when they become due to investigators. We have also developed
an interactive voice response system to increase the efficiency of clinical
trials. This system provides features such as centralized patient randomization,
drug inventory management, and patient diary collection and provides our clients
with a fully flexible data retrieval solution which can be utilized via
telephone, internet browser or WAP enabled device.

In our central laboratory, we utilize a comprehensive suite of software,
including a laboratory information management system (LIMS), a kit/sample
management system and a web interface system to allow clients to review results
online.

Our IT systems are operated from two centralised hubs in Philadelphia and
Dublin. Other offices are linked to these hubs through a resilient network that
is both internally managed and outsourced to a leading telecommunications
provider. Travelling staff can also access all systems via secure remote dial up
facilities. A global corporate Intranet portal provides access to all authorized
data and applications for our internal staff.


Sales and Marketing

Our global sales and marketing strategy is to focus our business development
efforts on pharmaceutical, biotechnology and medical device companies whose
development projects are advancing. By developing and maintaining close
relationships with our clients, we gain repeat business and achieve lateral
penetration into other therapeutic divisions where applicable. Simultaneously,
we are actively establishing new client relationships.

While our sales and marketing activities are carried out locally by executives
in each of our major locations, the sales and marketing process is coordinated
centrally. In addition, all of our business development professionals, senior
executives and project team leaders share responsibility for the maintenance of
key client relationships and business development activities.

Clients

In 2005 revenue was earned from over 300 clients, including all of the top 20
pharmaceutical companies as ranked by 2004 revenues.

We have expanded geographically in order to pursue larger multi-national
clinical trials in markets worldwide and have expanded through acquisition to
offer a broader range of services. In the fiscal year ended May 31, 2005, 57.2%
of our net revenue was generated in the United States, 37.2% in Europe and 5.6%
in Rest of World.



                                       15
<PAGE>

We have in the past and may in the future derive a significant portion of our
net revenue from a relatively limited number of major projects or clients.
During the fiscal year ended May 31, 2003, we received 21% of our net revenue
from Astra Zeneca, 11% from Sanofi-Synthelabo Inc. and 10% from Pfizer. In
fiscal year 2004, we received 17% of our net revenue from Astra Zeneca. In
fiscal year 2005, we received 12% of our net revenue from Astra Zeneca. No other
client contributed more than 10% of net revenues in fiscal 2005. We believe that
the importance of certain clients reflects our success in penetrating our client
base. The loss of, or a significant decrease in business from one or more of
these key clients could result in a material adverse effect.

Contractual Arrangements

We are generally awarded contracts based upon our response to requests for
proposals received from pharmaceutical, biotechnology and medical device
industries.

Most of our revenues are earned from contracts which are fixed price, based on
certain activity and performance specifications. Consequently, although we
typically bear the cost of overruns, with certain exceptions, we benefit if our
costs are lower than anticipated. Payment terms usually provide either for
payments based on the achievement of certain identified milestones or activity
levels or monthly payments according to a fixed payment schedule over the life
of the contract. Where clients request changes in the scope of a trial or in the
services to be provided by us, we deal with these by a change order, often
resulting in additional revenue to us. We also contract on a "fee-for-service,"
"days worked" or "time and materials" basis but this accounts for approximately
15% of revenues.

Contract terms may range from one year to several years depending on the nature
of the work to be performed. In most cases, a portion of the contract fee,
typically 10% to 20%, is paid at the time the study or trial is started. The
balance of the contract fee payable is generally payable in installments over
the study or trial duration and may be based on the achievement of certain
performance targets or "milestones" or, to a lesser extent, on a fixed monthly
payment schedule. For instance, installment payments may be based on patient
enrollment or delivery of the database. Reimbursable expenses are typically
estimated and budgeted within the contract and invoiced on a monthly basis.
Reimbursable expenses include payments to investigators, travel and
accommodation costs and various other direct costs incurred in the course of the
clinical trial which are fully reimbursable by the client.

Most of our contracts are terminable immediately by the client with cause in
certain circumstances and on 30-60 days notice without cause. In the event of
termination, we are entitled to all sums owed for work performed through the
notice of termination and certain costs associated with termination of the
study. Some of our contracts provide for an early termination fee. Termination
or delay in the performance of a contract occurs for various reasons, including,
but not limited to, unexpected or undesired results, production problems
resulting in shortages of the drug, adverse patient reactions to the drug, the
client's decision to de-emphasize a particular trial or inadequate patient
enrollment or investigator recruitment.


Backlog

Our backlog consists of potential net revenue yet to be earned from projects
awarded by clients.

At May 31, 2005, we had a backlog of $528 million, compared with approximately
$464 million at May 31, 2004. We believe that our backlog as of any date is not
necessarily a meaningful predictor of future results, due to the potential for
cancellation or delay of the projects underlying the backlog, and no assurances
can be given that we will be able to realize this backlog as net revenue.




                                       16
<PAGE>

Competition

The CRO industry is highly fragmented, consisting of several hundred small,
limited-service providers and a limited number of medium-sized and large CROs
with global operations. We primarily compete against in-house departments of
pharmaceutical companies and other CROs with global operations. Some of these
competitors have substantially greater capital, technical and other resources
than us. CROs generally compete on the basis of previous experience, the quality
of contract research, the ability to organize and manage large-scale trials on a
global basis, the ability to manage large and complex medical databases, the
ability to provide statistical and regulatory services, the ability to recruit
suitable investigators, the ability to integrate information technology with
systems to improve the efficiency of contract research, an international
presence with strategically located facilities, financial viability, medical and
scientific expertise in specific therapeutic areas and price. We believe that we
compete favorably in these areas. Our principal CRO competitors are Quintiles
Transnational Corporation, Covance Inc., PAREXEL International Corp., Kendle
International Inc., Ingenix Inc. (United Health), Omnicare, Inc., PRA Inc., MDS
Inc, Inveresk Research Group, Inc. and Pharmaceutical Product Development, Inc.
The trend toward CRO industry consolidation has resulted in heightened
competition among the larger CROs for clients and acquisition candidates.

Government Regulation

Regulation of Clinical Trials

     The clinical investigation of new drugs is highly regulated by government
agencies. The standard for the conduct of clinical research and development
studies is good clinical practice, which stipulates procedures designed to
ensure the quality and integrity of data obtained from clinical testing and to
protect the rights and safety of clinical subjects. While good clinical practice
has not been formally adopted by the FDA or, with certain exceptions, by similar
regulatory authorities in other countries, some provisions of good clinical
practice have been included in regulations adopted by the FDA. Furthermore, in
practice, the FDA and many other regulatory authorities require that study
results submitted to such authorities be based on studies conducted in
accordance with good clinical practice.

     Regulatory authorities, including the FDA, have promulgated regulations and
guidelines that pertain to applications to initiate trials of products, the
approval and conduct of studies, report and record retention, informed consent,
applications for the approval of drugs and post-marketing requirements. Pursuant
to these regulations and guidelines, service providers that assume the
obligations of a drug sponsor are required to comply with applicable regulations
and are subject to regulatory action for failure to comply with such regulations
and guidelines. In the United States and Europe, the trend has been in the
direction of increased regulation by the applicable regulatory authority. We
believe that many pharmaceutical companies do not have the resources to comply
with all of these regulations and standards and that this has contributed and
will continue to contribute to the growth of third-party service providers.

     In providing our services in the United States, we are obligated to comply
with FDA requirements governing such activities. These include obtaining patient
informed consents, verifying qualifications of investigators, reporting
patients' adverse reactions to drugs and maintaining thorough and accurate
records. We must maintain source documents for each study for specified periods,
and such documents may be reviewed by the study sponsor and the FDA during
audits.

     The services we provide outside the United States are ultimately subject to
similar regulation by the relevant regulatory authority, including the Medicines
Control Agency in the United Kingdom and the Bundesinstitut fur Arzneimittel und
Medizinprodukte in Germany. In addition, our activities in Europe are affected
by the Committee for Proprietary Medicinal Products of the European Union, and
its successor, the European Medicines Evaluation Agency, which is based in
London, England.

     We must also retain records for each study for specified periods for
inspection by the client and by the applicable regulatory authority during
audits. If such audits document that we have failed to comply adequately with
applicable regulations and guidelines, it could result in a material adverse
effect. In addition, our failure to comply with applicable regulation and
guidelines, depending on the extent of the failure, could result in fines,
debarment, termination or suspension of ongoing research or the disqualification
of data, any of which could also result in a material adverse effect.



                                       17
<PAGE>

New Drug Development - An Overview

     Before a new drug may be marketed, the drug must undergo extensive testing
and regulatory review in order to determine that the drug is safe and effective.
The following discussion primarily relates to the FDA approval process. Similar
procedures must be followed for clinical trials in other countries. The stages
of this development process are as follows:

     Preclinical Research (1 to 3.5 years). "In vitro" (test tube) and animal
     studies are conducted to establish the relative toxicity of the drug over a
     wide range of doses and to detect any potential to cause birth defects or
     cancer. If results warrant continuing development of the drug, the
     manufacturer will file for an Investigational New Drug Application, or IND,
     upon which the FDA may grant permission to begin human trials.

     Clinical Trials (3.5 to 6 years)

          Phase I (6 months to 1 year). Basic safety and pharmacology testing in
          20 to 80 human subjects, usually healthy volunteers, includes studies
          to determine how the drug works, if it is safe, how it is affected by
          other drugs, where it goes in the body, how long it remains active and
          how it is broken down and eliminated from the body.

          Phase II (1 to 2 years). Basic efficacy (effectiveness) and dose-range
          testing in 100 to 200 patients to help determine the best effective
          dose, confirm that the drug works as expected, and provide additional
          safety data.

          Phase III (2 to 3 years). Efficacy and safety studies in hundreds or
          thousands of patients at many investigational sites (hospitals and
          clinics). These studies can be placebo-controlled trials, in which the
          new drug is compared with a "sugar pill", or studies comparing the new
          drug with one or more drugs with established safety and efficacy
          profiles in the same therapeutic category.

     TIND (may span late Phase II, Phase III, and FDA review). When results from
     Phase II or Phase III show special promise in the treatment of a serious
     condition for which existing therapeutic options are limited or of minimal
     value, the FDA may allow the manufacturer to make the new drug available to
     a larger number of patients through the regulated mechanism of a Treatment
     Investigational New Drug, or TIND. Although less scientifically rigorous
     than a controlled clinical trial, a TIND may enroll and collect a
     substantial amount of data from tens of thousands of patients.

     NDA Preparation and Submission. Upon completion of Phase III trials, the
     manufacturer assembles the statistically analyzed data from all phases of
     development into a single large submission, the New Drug Application, or
     NDA, which today comprises, on average, approximately 100,000 pages.

     FDA Review & Approval (1 to 1.5 years). Data from all phases of development
     (including a TIND) is scrutinized to confirm that the manufacturer has
     complied with regulations and that the drug is safe and effective for the
     specific use (or "indication") under study.

     Post-Marketing Surveillance and Phase IV Studies. Federal regulation
     requires the manufacturer to collect and periodically report to the FDA
     additional safety and efficacy data on the drug for as long as the
     manufacturer markets the drug (post-marketing surveillance). If the drug is
     marketed outside the U.S., these reports must include data from all
     countries in which the drug is sold. Additional studies (Phase IV) may be
     undertaken after initial approval to find new uses for the drug, to test
     new dosage formulations, or to confirm selected non-clinical benefits,
     e.g., increased cost-effectiveness or improved quality of life.

Potential Liability and Insurance

     We contract with physicians who serve as investigators in conducting
clinical trials to test new drugs on their patients. Such testing creates a risk
of liability for personal injury to or death of the patients resulting from
adverse reactions to the drugs administered. In addition, although we do not
believe we are legally accountable for the medical care rendered by third party
investigators, it is possible that we could be subject to claims and expenses
arising from any professional malpractice of the investigators with whom we
contract. We also could be held liable for errors or omissions in connection
with the services we perform.



                                       18
<PAGE>

     We believe that the risk of liability to patients in clinical trials is
mitigated by various regulatory requirements, including the role of
institutional review boards and the need to obtain each patient's informed
consent. The FDA requires each human clinical trial to be reviewed and approved
by the institutional review board at each study site. An institutional review
board is an independent committee that includes both medical and non-medical
personnel and is obligated to protect the interests of patients enrolled in the
trial. After the trial begins, the institutional review board monitors the
protocol and measures designed to protect patients, such as the requirement to
obtain informed consent.

     We further attempt to reduce our risks through contractual indemnification
provisions with clients and through insurance maintained by clients,
investigators and us. However, the contractual indemnifications generally do not
protect us against certain of our own actions such as negligence, the terms and
scope of such indemnification vary from client to client and from trial to
trial, and the financial performance of these indemnities is not secured.
Therefore, we bear the risk that the indemnity may not be sufficient or that the
indemnifying party may not have the financial ability to fulfill its
indemnification obligations. We maintain worldwide professional liability
insurance. We believe that our insurance coverage is adequate. There can be no
assurance, however, that we will be able to maintain such insurance coverage on
terms acceptable to us, if at all. We could be materially adversely affected if
we were required to pay damages or bear the costs of defending any claim outside
the scope of or in excess of a contractual indemnification provision or beyond
the level of insurance coverage or in the event that an indemnifying party does
not fulfill its indemnification obligations.


Description of Property

We lease all but one of our facilities under operating leases.

Our principal executive offices are located in South County Business Park,
Leopardstown, Dublin, Republic of Ireland, where we own an office facility of
approximately 42,000 square feet on approximately two acres. We have also leased
an additional office facility of approximately 25,000 square feet in the same
business park.

We also maintain U.S. offices in Chicago, two offices in Philadelphia,
Nashville, Irvine, San Francisco, Houston, Wilmington, Raleigh, Baltimore, Tampa
and two offices in New York. Our European subsidiaries maintain offices in
Southampton, Frankfurt, Paris, Moscow, Amsterdam, Marlow, Manchester, Tel Aviv,
Stockholm, Riga, Budapest and Barcelona. Our Rest of World offices are located
in Tokyo, Singapore, Sydney, Chennai, Buenos Aires, Johannesburg, Montreal, Hong
Kong, Mexico City, Taipei and Sao Paulo.


Item 5.  Operating and Financial Review and Prospects.

The following discussion and analysis should be read in conjunction with our
Consolidated Financial Statements, accompanying notes and other financial
information, appearing in Item 18. The Consolidated Financial Statements have
been prepared in accordance with accounting principles generally accepted in the
United States.


Overview

We are a contract research organization, or CRO, providing clinical research and
development services on a global basis to the pharmaceutical, biotechnology and
medical device industries. Our focus is on supporting the conduct of clinical
trials. We have historically done so by providing such services as Phase I - IV
clinical trials management, study design, laboratory services and drug
development support. We believe that we are one of a select group of CROs with
the capability and expertise to conduct clinical trials in most major
therapeutic areas on a global basis. As of May 31, 2005, we had approximately
2,700 employees and operations in 37 locations in 23 countries, including the
United States and major markets in Europe and Rest of World. In fiscal 2005,
57.2%, 37.2% and 5.6% of our net revenue was derived in the United States,
Europe and Rest of World, respectively. See Note 17 to the Consolidated
Financial Statements.



                                       19
<PAGE>

Revenue consists primarily of fees earned under contracts with third-party
clients. In most cases, a portion of the contract fee is paid at the time the
study or trial is started, often upon the signing of a letter of intent, and the
balance of the contract fee is generally payable in installments over the study
or trial duration, based on the achievement of certain performance targets or
"milestones." Revenue for contracts is recognized on the basis of the
relationship between time incurred and the total estimated duration of the trial
or on a fee-for service basis according to the particular circumstances of the
contract. As is customary in the CRO industry, we subcontract with third party
investigators in connection with clinical trials. All subcontractor costs, and
certain other costs where reimbursed by clients, are, in accordance with
industry practice, deducted from gross revenue to arrive at net revenue. As
these costs vary from contract to contract, we view net revenue as our primary
measure of revenue growth.

Direct costs consist primarily of compensation and associated fringe benefits
for project-related employees and other direct project driven costs. Selling,
general and administrative expenses consist of compensation and related fringe
benefits for selling and administrative employees, professional services,
advertising costs and all costs related to facilities and information systems.

Our backlog consists of potential net revenue yet to be earned from projects
awarded by clients. At May 31, 2005, we had a backlog of $528 million, compared
with approximately $464 million at May 31, 2004. We believe that our backlog as
of any date is not necessarily a meaningful predictor of future results, due to
the potential for cancellation or delay of the projects underlying the backlog,
and no assurances can be given that we will be able to realize this backlog as
net revenue.

As the nature of ICON's business involves the management of projects having a
typical duration of one to three years, the commencement or completion of
projects in a fiscal year can have a material impact on revenues earned with the
relevant clients in such years. In addition, as we typically work with some, but
not all, divisions of a client, fluctuations in the number and status of
available projects within such divisions can also have a material impact on
revenues earned from such clients from year to year.

ICON, although domiciled in Ireland, reports its results in U.S. dollars. As a
consequence, the results of our non-U.S. based operations, when translated into
U.S. dollars, could be materially affected by fluctuations in exchange rates
between the U.S. dollar and the currencies of those operations.

In addition to translation exposures, we are also subject to transaction
exposures because the currency in which contracts are priced can be different
from the currencies in which costs relating to those contracts are incurred. We
have 13 operations operating in U.S. dollars, 5 trading in Euros, 3 in pounds
Sterling, and 1 each in Australian dollars, Singapore dollars, Yen, Israeli New
Shekels, Latvian Lats, Swedish Krona, Argentine Peso, South African Rand, Indian
Rupee, Russian Rouble, Canadian dollar, Hungarian Forint, Hong Kong dollar,
Taiwan dollar, Mexican Peso and Brazilian Real. Our operations in the United
States are not materially exposed to such currency differences as the majority
of our revenues and costs are in U.S. dollars. However, outside the United
States the multinational nature of our activities means that contracts are
usually priced in a single currency, most often pounds Sterling, U.S. dollars or
Euros, while costs arise in a number of currencies, depending, among other
things, on which of our offices provide staff for the contract, and the location
of investigator sites. Although many such contracts benefit from some degree of
natural hedging due to the matching of contract revenues and costs in the same
currency, where costs are incurred in currencies other than those in which
contracts are priced, fluctuations in the relative value of those currencies
could have a material effect on ICON's results of operations. We regularly
review our currency exposures and hedge a portion of these, using forward
exchange contracts, where they are not covered by natural hedges.

We have received capital and revenue grants from Forbairt, an Irish government
agency. We record capital grants as deferred income, which are credited to
income on a basis consistent with the depreciation of the relevant asset. Grants
relating to operating expenditures are credited to income in the period in which
the related expenditure is charged. The capital grant agreements provide that in
certain circumstances the grants received may be refundable in full. These
circumstances include sale of the related asset, liquidation of ICON or failing
to comply in other respects with the grant agreements. The operating expenditure
grant agreements provide for repayment in the event of a downsizing calculated
by reference to any reduction in employee numbers. We have not recognized any
loss contingency having assessed as remote the likelihood of these events
arising. Up to May 31, 2005, we have received $2,580,983 and $1,918,361 under
capital grants and operating grants,



                                       20
<PAGE>

respectively. Pursuant to the terms of the grant agreements we are restricted
from distributing some of these amounts by way of dividend or otherwise.

As we conduct operations on a global basis, our effective tax rate has depended
and will depend on the geographic distribution of our revenue and earnings among
locations with varying tax rates. ICON's results of operations therefore may be
affected by changes in the tax rates of the various jurisdictions. In
particular, as the geographic mix of our results of operations among various tax
jurisdictions changes, our effective tax rate may vary significantly from period
to period.

Operating Results

The following table sets forth for the periods indicated certain financial data
as a percentage of net revenue and the percentage change in these items compared
to the prior comparable period. The trends illustrated in the following table
may not be indicative of future results.

<TABLE>
<CAPTION>

                                                   2003          2004           2005             2003              2004
                                                                                              to 2004           to 2005
                                                   Percentage of Net Revenue                   Percentage Increase/
                                                                                                 (Decrease)

<S>                                              <C>           <C>              <C>             <C>               <C>
Net revenue                                      100.0%        100.0%           100%            31.5%             10.0%

Costs and expenses:
Direct costs                                      54.2%         54.7%          55.0%            32.8%             10.5%

Selling, general and administrative               31.5%         29.9%          31.8%            24.9%             16.9%

Depreciation and amortization                      3.3%          3.8%           4.1%            52.9%             19.3%

Other charges                                         -             -           3.4%                -            100.0%

Income from operations                            11.0%         11.6%           5.7%            37.9%           (45.9%)

</TABLE>

Fiscal Year Ended May 31, 2005 Compared to Fiscal Year Ended May 31, 2004

Net revenue increased by $29.7 million, or 10.0%, from $296.9 million to $326.7
million. This improvement arose through a combination of increased business from
existing clients, business won from new clients and revenues from acquisitions
not included in the comparative period. The additional revenues from
acquisitions (GloboMax & Beacon) amounted to $9.1 million for the fiscal year
ended May 31, 2005. Including the impact of acquisition, revenues in the United
States, Europe and the Rest of World grew by 0.9%, 20.1% and 73.5% respectively.
In the twelve months to May 31, 2005, net revenue from our central laboratory
business decreased by 5.2% from $26.9 million to $25.5 million while our
clinical research segment grew by 11.5% from $270.0 million to $301.2 million
over the comparable period. The decrease in net revenue in our central
laboratory segment is primarily due to lower testing volumes in fiscal 2005. The
growth in net revenue in our clinical research segment is due to the expansion
of our services to both existing and new clients, increased use of outsourcing
by the Pharmaceutical, Biotechnology and Medical Device industries, an
underlying increase in research and development spending and consolidation in
the CRO industry.

Direct costs increased by $17.1 million, or 10.5%, from $162.6 million to $179.7
million, primarily due to increased staff numbers needed to support increased
project related activity and increased costs arising from acquisitions amounting
to $4.3 million. Direct costs as a percentage of net revenue increased from
54.7% in the twelve months to May 31, 2004 to 55.0% in fiscal 2005.

Selling, general and administrative expenses increased by $15.0 million, or
16.9%, from $88.8 million to $103.8 million. The increase in costs is due to the
continued expansion of our operations and additional selling, general and
administrative costs



                                       21
<PAGE>

from acquisition of $3.3 million not included in the comparative period. As a
percentage of net revenue, selling, general and administrative expenses,
increased from 29.9% in the twelve months to May 31, 2004 to 31.8% for the
fiscal year ended May 31, 2005.

Depreciation and amortization expense increased by $2.1 million, or 19.3%, from
$11.2 million to $13.3 million. This increase is due to the continued investment
in facilities and information technology to support the growth in activity and
in providing for future capacity and increased cost arising from acquisition of
$0.4 million. As a percentage of net revenue, depreciation and amortization
increased from 3.8% of net revenues in the twelve months to May 31, 2004, to
4.1% for the fiscal year ended May 31, 2005.

Other charges of $11.3 million were incurred during the year ended May 31, 2005.
The principal items classified as other charges include asset impairments,
computer software write-off and lease termination and exit costs, as outlined in
Note 14 to the Consolidated Financial Statements.

Income from operations decreased by $15.8 million, or 45.9%, from $34.4 million
to $18.6 million, including acquisitions. As a percentage of net revenue, income
from operations decreased from 11.6% for the twelve months to May 31, 2004 to
5.7% of net revenues for the fiscal year ended May 31, 2005. For the fiscal year
2005, losses from operations, as a percentage of net revenue for the central
laboratory increased to 59.9%, or 25.6% excluding other charges, from 12.2%, in
fiscal 2004 due to an expanded cost base. The central laboratory constitutes
approximately 7% of our business revenues. Operating margins for our clinical
research segment decreased from 13.9% in the twelve months to May 31, 2004, to
11.3% for the fiscal year ended May 31, 2005.

Net interest income for the year ended May 31, 2005, was $1.0 million, an
increase of $0.7 million on the year ended May 31, 2004. Higher average level of
funds invested and higher interest rates in fiscal 2005 over fiscal 2004
contributed to the increased interest income.

ICON's effective tax rate for the year ended May 31, 2005, was 29.9% compared
with 25.8% for the comparable period last year. The increase in the effective
rate was primarily due to a change in the geographic distribution of pre-tax
earnings.

Fiscal Year Ended May 31, 2004 Compared to Fiscal Year Ended May 31, 2003

Net revenue increased by $71.2 million, or 31.5%, from $225.7 million to $296.9
million. This improvement arose through a combination of increased business from
existing clients, business won from new clients and revenues from acquisitions
not included in the comparative period. The additional revenues from these
acquisitions (BPA, MCS, Medeval and GloboMax) amounted to $24.5 million for the
fiscal year ended May 31, 2004. Including the impact of acquisitions, revenues
in the United States, Europe and the Rest of World grew by 16.8%, 65.6% and
76.4% respectively. In the twelve months to May 31, 2004, net revenue from our
central laboratory business grew by 2.8% from $26.2 million to $26.9 million
while our clinical research segment grew by 35.3% from $199.6 million to $270.0
million over the comparable period. The growth in net revenue in our clinical
research segment and central laboratory is due to the expansion of our services
to both existing and new clients, increased use of outsourcing by the
Pharmaceutical, Biotechnology and Medical Device industries, an underlying
increase in research and development spending and consolidation in the CRO
industry.

Direct costs increased by $40.2 million, or 32.8%, from $122.4 million to $162.6
million, primarily due to increased staff numbers needed to support increased
project related activity and increased costs arising from the acquisitions
amounting to $13.2 million. Direct costs as a percentage of net revenue
increased from 54.2% in the twelve months to May 31, 2003 to 54.7% in fiscal
2004.

Selling, general and administrative expenses increased by $17.7 million, or
24.9%, from $71.1 million to $88.8 million. The increase in costs is due to the
continued expansion of our operations and additional selling, general and
administrative costs from acquisitions of $9.5 million not included in the
comparative period. As a percentage of net revenue, selling, general and
administrative expenses, decreased from 31.5% in the twelve months to May 31,
2003 to 29.9% for the fiscal year ended May 31, 2004.



                                       22
<PAGE>

Depreciation expense increased by $3.9 million, or 52.9%, from $7.3 million to
$11.2 million. This increase is due to the continued investment in facilities
and information technology to support the growth in activity and in providing
for future capacity and increased cost arising from acquisitions of $0.6
million. As a percentage of net revenue, depreciation increased from 3.3% of net
revenues in the twelve months to May 31, 2003 to 3.8% for the fiscal year ended
May 31, 2004.

Income from operations increased by $9.5 million, or 37.9%, from $24.9 million
to $34.4 million, including acquisitions. This improvement is due to increased
levels of activity carried out across the Company together with the acquisitions
of BPA, MCS, Medeval and GloboMax. As a percentage of net revenue, income from
operations increased from 11.0% for the twelve months to May 31, 2003 to 11.6%
of net revenues for the fiscal year ended May 31, 2004. For the fiscal year
2004, income from operations, as a percentage of net revenue for the central
laboratory fell to (12.2)% from 0.4% in fiscal 2003 due to an expanded cost
base. The central laboratory constitutes approximately 9% of our business.
Operating margins for our clinical research segment increased from 12.4% in the
twelve months to May 31, 2003, to 13.9% for the fiscal year ended May 31, 2004
due principally to improved staff utilization and enhanced leverage of our
overhead costs.

Net interest income for the year ended May 31, 2004, was $0.3 million, a
decrease of $0.1 million on the equivalent period last year due primarily to
lower then average interest rates during the current fiscal year.

ICON's effective tax rate for the year ended May 31, 2004, was 25.8% compared
with 27.7% for the comparable period last year. The decrease in the effective
rate was primarily due to a change in the geographic distribution of pre-tax
earnings.


Liquidity and Capital Resources

The CRO industry generally is not capital intensive. Since our inception, we
have financed our operations and growth primarily with cash flows from
operations, net proceeds of $49.1 million raised in our initial public offering
in May 1998 and net proceeds of $44.3 million raised in our public offering in
August 2003. Our principal cash needs are payment of salaries, office rents,
travel expenditures and payments to investigators. The aggregate amount of
employee compensation paid by us and our subsidiaries in the three fiscal years
ended May 31, 2003, 2004 and 2005, amounted to $135.2 million, $174.5 million,
and $194.1 million, respectively. Investing activities primarily reflect capital
expenditures for facilities, information systems enhancements, the purchase of
short-term investments and acquisitions.

Our clinical research and development contracts are generally fixed price with
some variable components and range in duration from a few months to several
years. Revenue from contracts is generally recognized as income on the basis of
the relationship between time incurred and the total estimated contract duration
or on a fee-for-service basis. The cash flow from contracts typically consists
of a down payment of between 10% and 20% paid at the time the contract is
entered into, with the balance paid in installments over the contract's
duration, in some cases on the achievement of certain milestones. Accordingly,
cash receipts do not correspond to costs incurred and revenue recognized on
contracts.

As of May 31, 2005, our working capital was $125.3 million, compared to $113.8
million at May 31, 2004. The most significant influence on our operating cash
flow is revenue outstanding, which comprises accounts receivable and unbilled
revenue, less payments on account. The dollar values of these amounts and the
related days revenue outstanding can vary due to the achievement of contractual
milestones, including contract signing, and the timing of cash receipts. The
number of days revenue outstanding was 63 days at May 31, 2005, 60 days at May
31, 2004 and 64 days at May 31, 2003.

Net cash provided by operating activities was $25.2 million in the year ended
May 31, 2005, compared with $43.6 million in fiscal 2004 and $21.5 million in
the fiscal year ended May 31, 2003. The decrease in cash provided in fiscal 2005
was due primarily to lower net income in fiscal 2005 and higher levels of
revenue outstanding, reflective of the increase in revenue and revenue days
outstanding in fiscal 2005 over fiscal 2004.

Net cash used in investing activities was $25.7 million in the year ended May
31, 2005, compared with $47.3 million in the year ended May 31, 2004 and $35.3
million in the year ended May 31, 2003. The decrease in net cash used in fiscal
2005 over fiscal 2004, is due principally to the lower levels of short-term
investments purchased in fiscal 2005.



                                       23
<PAGE>

Net cash provided by financing activities was $0.9 million in the year ended May
31, 2005, compared with $42.5 million in fiscal 2004 and net cash used in
financing activities of $4.6 million in the fiscal year ended May 31, 2003. The
main reason for this decrease is the receipt of the net proceeds of $44.3
million, following the issue of 1,500,000 American Depositary Shares by the
Company in fiscal 2004.

As a result of these cash flows, cash and cash equivalents increased by $0.6
million in the year ended May 31, 2005, compared to $37.4 million in the year
ended May 31, 2004 and a net decrease of $18.0 million in the year ended May 31,
2003.

On July 3, 2003, ICON entered into a facility agreement (the "Facility
Agreement") for the provision of a term loan facility of U.S.$40 million,
multi-currency overdraft facility of $5 million and revolving credit facility of
$15 million (the "Facilities") with The Governor and Company of the Bank of
Ireland and Ulster Bank Ireland Limited (the "Banks"). Our obligations under the
Facilities are secured by certain composite guarantees and indemnities and
pledges in favour of each of the banks. This facility bears interest at an
annual rate equal to the Banks' Prime Rate plus three quarters of one percent.
ICON plc and its subsidiaries are entitled to make borrowings under a term loan
facility of $40 million and a multi currency overdraft facility of $5 million.
As at May 31, 2005, the full amount of these facilities were available to be
drawn down. ICON Clinical Research, Inc. (a subsidiary of ICON plc) is entitled
to make borrowings under a revolving credit facility of $15 million. As at May
31, 2005, the full amount of this facility was available to be drawn down.

The Company entered into an overdraft agreement with Allied Irish Banks, plc
("AIB") whereby the company guarantees any overdraft of its subsidiary ICON
Clinical Research GmbH up to an amount (euro)120,000 (U.S.$150,960). As of May
31, 2005, the full facility was available to be drawn down.

On September 9, 2003, we completed the acquisition of Globomax LLC, for an
initial cash consideration of U.S.$10.9 million. Earn-out provisions have been
built into the acquisition contract requiring the potential payment of
additional deferred consideration up to a maximum of U.S.$4.0 million depending
on the performance of Globomax over the period from date of acquisition to May
31, 2006.

We entered into an overdraft agreement with AIB, whereby the company guaranteed
any overdraft of our subsidiary ICON Clinical Research Israel Ltd. up to an
amount of U.S.$250,000. This facility was terminated on April 20, 2004.

On July 1, 2004, we completed the acquisition of 70% of Beacon Biosciences, Inc.
for an initial cash consideration of U.S.$9.9 million.

On December 1, 2004, we acquired the workforce of Biomines Research Solutions
Private Limited for a total cash consideration of U.S.$0.25 million. The
workforce is engaged in the business of clinical trial data management and
statistical analysis services and has been transferred to our existing Indian
operation.





                                       24
<PAGE>


Contractual obligations table

The following table represents the contractual obligations and commercial
commitments of ICON plc as of May 31, 2005:

<TABLE>
<CAPTION>

                                                                              Payments due by period


                                                                        Less than 1       1 to 3         3 to 5       More then 5
                                                               Total           year        years         years          years
                                                                                (U.S.$ in millions)
<S>                                                             <C>            <C>           <C>          <C>             <C>
  Long-Term Debt Obligations                                       -              -             -           -               -
  Capital Lease Obligations                                     $0.4           $0.2          $0.2           -               -
  Operating lease Obligations                                  143.3           23.2          33.7        27.9            58.5
  Purchase Obligations (1)                                       5.9            3.4           2.5           -               -
  --------------------------------------------------- --------------- -------------- ------------- ----------- ---------------

  Total (U.S.$ in millions)                                   $149.6          $26.8         $36.4       $27.9           $58.5
  --------------------------------------------------- --------------- -------------- ------------- ----------- ---------------

</TABLE>

     (1)  This figure may be payable under earn out clauses included in
          acquisitions undertaken in prior periods. Of the $5.9 million, $3.4
          million of the earn-out targets have been reached at May 31, 2005 and
          have been recorded in other liabilities.

We expect to spend approximately $40 million in the next twelve months on
further investments in information technology, the expansion of existing
facilities and the addition of new offices and expect to increase this level of
spending in subsequent years. We believe that we will be able to fund our
additional foreseeable cash needs for the next twelve months from cash flow from
operations and existing cash balances. In the future, we will consider acquiring
businesses to enhance our service offerings and global presence. Any such
acquisitions may require additional external financing and we may from time to
time seek to obtain funds from public or private issues of equity or debt
securities. There can be no assurance that such financing will be available on
terms acceptable to ICON.

Critical Accounting Policies

     The preparation of consolidated financial statements in accordance with
generally accepted accounting principles in the United States requires
management to make estimates and assumptions that affect the reported amounts of
assets and liabilities at the date of the financial statements and the reported
amounts of revenues and expenses during the reported period.

     We base our estimates and judgements on historical experience and on the
other factors that we believe are reasonable under current circumstances. Actual
results may differ from these estimates if these assumptions prove to be
incorrect or if conditions develop other than as assumed for the purposes of
such estimates. The following is a discussion of the accounting policies used by
us, which we believe are critical in that they require estimates and judgements
by management.


Revenue Recognition

Significant management judgements and estimates must be made and used in
connection with the recognition of revenue in any accounting period. Material
differences in the amount of revenue in any given period may result if these
judgements or estimates prove to be incorrect or if management's estimates
change on the basis of development of the business or market conditions. To date
there has been no material differences arising from these judgements and
estimates.

We earn revenues by providing a number of different services to our clients.
These services include clinical trials management, biometric activities,
consulting and laboratory services. We recognize biometric, consulting and
laboratory revenues on a fee-for-service basis. Our laboratory service contracts
are multiple element arrangements, with laboratory kits and laboratory testing
representing the contractual elements. We determine the fair values for these
elements, each of which can be sold separately, based on objective and reliable
evidence of their respective fair values. Our laboratory contracts entitle us to
receive non-refundable set up fees and we allocate such fees as additional
consideration to the contractual elements



                                       25
<PAGE>

based on the proportionate fair values of the elements. We recognize revenues
for the elements on the basis of the number of deliverable units completed in a
period.

We recognize clinical trials revenue on the basis of the relationship between
time incurred and the total estimated duration of the contract as this
represents the most accurate pattern over which our contractual obligations are
fulfilled. We invoice our customers upon achievement of specified contractual
milestones. This mechanism, which allows us to receive payment from our
customers throughout the duration of the contract, is not reflective of revenue
earned. We recognize revenues over the period from the awarding of the
customer's contract to study completion and acceptance. This requires us to
estimate total expected revenue, time inputs, contract costs, profitability and
expected duration of the clinical trial. These estimates are reviewed
periodically and, if any of these estimates change or actual results differ from
expected results, then an adjustment is recorded in the period in which they
become readily estimable.

If we do not accurately estimate the resources required or the scope of the work
to be performed, or do not manage our projects properly within the planned cost
or satisfy our obligations under the contracts, then future results may be
significantly and negatively affected.

Goodwill

The principal judgements and uncertainties affecting our accounting for goodwill
relate to carrying values. The carrying values of purchased goodwill are
assessed annually, using discounted cash flows and net realizable values. The
estimates and judgements used to assess carrying values include those relating
to commercial risk, revenue and cost projections, our intention with respect to
the acquired goodwill, the impact of competition, the impact of any
reorganization or change of our business focus, the level of third party
interest in our operations and market conditions.

If the implied fair value of reporting unit goodwill is lower then its carring
amount, goodwill is impaired and written down to its implied fair value. If we
were to use different estimates or judgements, particularly with respect to
expected revenue and cost projections or the impact of any reorganisation or
change of business focus, a material impairment charge to the statement of
operations could arise. We believe that we have used reasonable estimates and
judgements in assessing the carrying value of our goodwill. For further
information, refer to Note 14 to the Consolidated Financial Statements.


Inflation

We believe that the effects of inflation generally do not have a material
adverse impact on our operations or financial conditions.

New Accounting Pronouncements

In December 2004, the FASB issued Statement No. 123R, "Share-Based Payment - An
Amendment of FASB Statements No. 123 and 95 ("SFAS No.123R"), which is effective
for public companies in periods beginning after June 15, 2005. We will implement
the proposed standard no later than the year that begins January 1, 2006. The
cumulative effect of adoption, if any, applied on a modified prospective basis,
would be measured and recognized on March 31, 2006. SFAS No. 123R addresses the
accounting for transactions in which an enterprise receives goods and services
in exchange for: (a) equity instruments of the enterprise; or (b) liabilities
that are based on the fair value of the enterprise's equity instruments or that
may be settled by the issuance of such equity instruments. SFAS No. 123R
eliminates the ability to account for share-based compensation transactions
using APB 25, and generally would require instead that such transactions be
accounted for using a fair-value based method. Equity classified awards are
measured at grant date at fair value and are not subsequently re-measured.
Liability classified awards are re-measured at fair value at each balance sheet
date until the awards are settled. We are currently evaluating option valuation
methodologies and assumptions in light of SFAS No. 123R related to employee
stock options. Current estimates of option values using the Black-Scholes method
(as reported) may not be indicative of results from valuation methodologies
ultimately adopted.

In November 2004, the FASB issued statement No. 151, "Inventory Costs, an
amendment of ARB No. 43, Chapter 4" ("SFAS No. 151"), which is effective for
public companies prospectively for inventory costs incurred in periods beginning
after June 15, 2005. This Statement amends the guidance in ARB No. 43, Chapter 4
"Inventory Pricing", to clarify that accounting for abnormal amounts of idle
facility expense, freight, handling costs and wasted material (spoilage) should
be recognized as a current period change and to require the allocation of fixed
production overhead to the costs of conversion based on normal



                                       26
<PAGE>

capacity of the production facilities. We do not expect that the adoption of
SFAS No. 151 will have a material impact on our financial position or results of
operations.

In December 2004, the FASB issued Statement No. 153, "Exchanges of Nonmonetary
assets - an amendment of APB Opinion No. 29" ("SFAS No. 153"), which is
effective for public companies in periods beginning after June 15, 2005. The
guidance in APB opinion No. 29, Accounting for Nonmonetary Transactions, is
based on the principle that exchanges of nonmonetary assets should be measured
based on the fair value of the assets exchanged. The guidance in that Opinion,
however, included certain exceptions to that principle. This statement amends
Opinion 29 to eliminate the exception for nonmonetary exchanges of similar
productive assets and replaces it with a general exception for exchanges of
nonmonetary assets that do not have commercial substance. A nonmonetary exchange
has commercial substance if the future cash flows of the entity are expected to
change significantly as a result of the exchange. We do not expect that the
adoption of SFAS No. 153 will have a material impact on our financial position
or results of operations.

In November 2003 and March 2004, the Emerging Issues Task Force (EITF) reached
partial consensus on EITF 03-1, "The Meaning of Other-Than-Temporary Impairment
and its Application to Certain Investments," ("EITF 03-1"). EITF 03-1 addresses
the meaning of other then temporary impairment and its application to
investments classified as either available-for-sale or held-to-maturity under
SFAS 115, "Accounting for Certain Investments in Debt and Equity Securities" and
investments accounted for under the cost method. The EITF agreed on certain
quantitative and qualitative disclosures about unrealised losses pertaining to
securities classified as available-for-sale or held-to-maturity. In addition,
EITF 03-1 requires certain disclosures about cost method investments. The
recognition and measurement provisions of EITF 03-1 have been deferred until
additional guidance is issued.




                                       27
<PAGE>




Item 6.  Directors, Senior Management and Employees.

Directors and Senior Management

The following table and accompanying biographies set forth certain information
concerning each of ICON plc directors, officers and other key employees as of
May 31, 2005.

<TABLE>
<CAPTION>

Name                                        Age      Position
------------------------------------------------------------------------------------------------------
<S>                                         <C>      <C>
Dr. John Climax (1)                         52       Chairman of the Board
Peter Gray (1)                              50       Chief Executive Officer, Director
Sean Leech (1)                              34       Chief Financial Officer
Dr. Ronan Lambe (1)                         65       Director
Thomas Lynch (2)(3)(4)                      48       Director
Edward Roberts (2)(3)(4)                    70       Director
Shuji Higuchi                               65       Director
Dr. Bruce Given (2)(3)(4)                   51       Director
William Taaffe                              56       President Corporate Development
Dr. John Hubbard                            48       President and Chief Operating Officer, ICON Clinical
                                                     Research - U.S.
Dr. Peter Sowood                            52       President of ICON Clinical Research - Europe
Robert Scott-Edwards                        51       President of ICON Laboratories
Dr. Dan Weng                                42       President of ICON Clinical Research - Rest of
                                                     World
Dr. Thomas Frey                             52       Chief Operating Officer, ICON Clinical Research
                                                     - Europe
Josephine Coyle                             47       Vice President for Corporate Quality Assurance

</TABLE>

(1)  Executive Officer of the Company.
(2)  Member of Compensation Committee.
(3)  Member of Audit Committee.
(4)  Member of Nomination Committee.

Dr. John Climax, one of the Company's co-founders, has served as a director of
the Company and its subsidiaries since June 1990. Dr. Climax served as Chief
Executive Officer from June 1990 to October 2002 and was appointed Chairman of
the Board in November 2002. Dr. Climax has over 20 years of experience in the
contract research industry in both Europe and the United States. Dr. Climax
received his primary degree in pharmacy in 1977 from the University of
Singapore, his masters in applied pharmacology in 1979 from the University of
Wales and his Ph.D. in pharmacology from the National University of Ireland in
1982.

Peter Gray has served as the Chief Executive Officer of ICON and its
subsidiaries since November 2002. He served as the Group Chief Operating Officer
of ICON and its subsidiaries from June 2001, and was Chief Financial Officer
from June 1997 to June 2001. He has been a director of the Company since June
1997. Mr. Gray has over 14 years experience in the pharmaceutical services
industry and has also worked in the engineering and food sectors. Mr. Gray
received a degree in Law from Trinity College Dublin in 1977 and became a
chartered accountant in 1980.

Sean Leech has served as Chief Financial Officer of ICON and its subsidiaries
since June 2001 and previously as Group Vice President of Finance from June
1999. Mr. Leech was Group Financial Controller of Jones Group plc, a shipping,
manufacturing and fuel distribution company based in Ireland, from 1997 to 1999.
Mr. Leech is an Associate member of the Chartered Institute of Management
Accountants.

Dr. Ronan Lambe, one of the Company's co-founders, served as Chairman of the
Board of the Company from June 1990 to November 2002. Dr. Lambe has over 23
years of experience in the contract research industry in Europe. Dr. Lambe
attended the National University of Ireland where he received his bachelor of
science degree in chemistry in 1959, his masters in biochemistry in 1962 and his
Ph.D. in pharmacology in 1976. Dr. Lambe continues to serve as a director of the
Company.



                                       28
<PAGE>

Thomas Lynch has served as an outside director of the Company since January
1996. Mr. Lynch served as a director of Nanogen Inc., from 1996 to 2000. Mr.
Lynch is currently the Chairman of Amarin Corporation plc, a director of Royal
Opera House (Covent Garden) and a non-executive director of the Irish
Development Authority. In the period from May 1993 to July 2004, Mr. Lynch held
several senior positions in Elan Corporation, plc, a specialty pharmaceutical
company, including Executive Vice President, Chief Financial Officer, Vice
Chairman and Senior Advisor to the Chairman of the Board of Elan Corporation
plc. Mr. Lynch was a partner at KPMG from May 1990 to May 1993.

Edward Roberts has served as an outside director of the Company since February
1998. Mr. Roberts was Managing Director of the Pharmaceutical Division of Merck
KGaA from 1990 to 1998. Prior to that, he held a number of senior management
positions with Eli Lilly International in Europe and the United States. Mr.
Roberts has over 40 years of experience in the pharmaceutical industry. He has
been a partner in Global Health Care Partners since June 1998, and also serves
as Chairman of Biopartners and Chairman of the Advisory Board of Merz & Co.
GmbH.

Mr. Shuji Higuchi has served as an outside Director of the Company since
September 2004. Dr. Higuchi has over 40 years of experience in the
pharmaceutical industry. Dr. Higuchi is currently Director of R&D and Corporate
Integration, Kyoto University Hospital, Japan. Prior to this Dr. Higuchi has
served as President of Takeda Pharma GmbH from 1983 to 1992, President of Takeda
Europe R&D Centre, Frankfurt / London from 1992 to 2002, and served as a
Corporate Officer of Takeda Chemical Industries Limited, Japan from 1999 to
2002.

Dr. Bruce Given has served as an outside director of the Company since September
2004. Since March 2002, he has served as President and Chief Executive Officer
of Encysive Pharmaceuticals Inc. Previously, Dr. Given has held various
positions in Johnson & Johnson group companies. Dr. Given obtained his doctorate
from the University of Chicago in 1980.

William Taaffe has served as President Corporate Development since April 2005.
Prior to this Mr. Taaffe served as President and Chief Executive Officer of ICON
Clinical Research - U.S. since 1993. Mr. Taaffe has over 29 years of experience
in the contract research and the pharmaceutical industries in Ireland, Canada
and the United States. Mr. Taaffe received his bachelor of science degree in
1970 from the University College Dublin.

Dr. John W. Hubbard has served as President of ICON Clinical Research - U.S.
since April 2005 and currently also serves as Chief Operating Officer, U.S
Operations, a position he has held since October 1999. Dr. Hubbard has more than
20 years of experience in pharmaceutical research and development. He has held
positions of increasing responsibility at Revlon Health Care Group, Hoechst
Marion Roussel Pharmaceuticals, Parexel International Corporation, and from July
1997 until joining ICON, he held the position of Senior Vice President of
Clinical Research Operations at Clinical Studies, an industry leading site
management organization and division of Innovative Clinical Solutions, Ltd. Dr.
Hubbard received a B.S. in Psychology/Biology from the University of Santa
Clara, a Ph.D. in Cardiovascular Physiology from the University of Tennessee,
and was a NIH Postdoctoral Fellow in Cardiovascular Pharmacology at the
University of Texas Health Sciences Center.

Dr. Peter Sowood, has served the company as President of ICON Clinical Research
Europe since November 2003. Prior to joining the Company, Dr. Sowood held
various positions at Covance Clinical and Periapproval Services, Ltd., including
the position of Vice-president Clinical Research. Dr. Sowood was educated at the
University of Cambridge in Medical Sciences and followed on to Oxford University
where he took Medical Degrees before joining the RAF as a Medical Officer. Dr.
Sowood obtained his PhD in 1988 and MBA in 1993.

Robert Scott-Edwards, has served the company as President of ICON Laboratories
since August 2004, having previously held the position of Vice President, Sales
& Marketing for ICON Laboratories since June 2000. Prior to joining ICON, Mr.
Scott-Edwards held various senior positions at Bristol-Myers Squibb from 1979
through 1997. Mr. Scott-Edwards began his career in the pharmaceutical industry
in 1971 at Wyeth.

Dr. Dan Weng, has served as President of ICON Clinical Research Rest of World
since April 2004, having previously held the position of Senior Vice President -
Rest of World since joining the Company in January 2003. Dr. Weng previously
worked in the Asia Pacific region for both Pharmanet and Quintiles. Prior to
joining the CRO industry in 1997, Dr. Weng



                                       29
<PAGE>

worked in the US at the Harvard Medical School and at UCSF. Educated as a
physician in China, Dr. Weng subsequently obtained an MBA and a PhD in the UK.

Dr. Thomas Frey has served as Chief Operating Officer for ICON Clinical Research
Europe since June 2001 and previously served as Vice President of ICON Clinical
Operations Europe from January 2000 to May 2001. Dr. Frey has 17 years of
experience in pharmaceutical research and development. He started his career in
1987 with Hoechst Pharmaceuticals. From 1995 to the end of 1999 he was Senior
Director of Clinical Development Europe at Hoechst Marion Roussel. Dr. Frey
received his medical degree in 1980 from the University of Heidelberg.

Josephine Coyle has served as Vice President for Corporate Quality Assurance
since April 2000. Ms. Coyle has held positions of increasing responsibility in
ICON since August 1992 and previously held the position of director of Quality
Assurance.

Board of Directors

ICON's Articles of Association provide that, unless otherwise determined by ICON
at a general meeting, the number of directors shall not be more than 15 nor less
than 3. At each annual general meeting, one third of the directors who are
subject to retirement by rotation, rounded down to the next whole number if it
is a fractional number, shall retire from office. The directors to retire shall
be those who have been longest in office, but as between persons who became or
were last re-appointed on the same day, those to retire shall be determined,
unless otherwise agreed, by lot. Accordingly, at the annual general meeting of
ICON to be held in 2006, it is anticipated that three directors will retire by
rotation and offer themselves for re-election, such directors to be determined,
unless otherwise agreed, by lot. Any additional director appointed by us shall
hold office until the next annual general meeting and will be subject to
re-election at that meeting.

Board committees
We established a compensation committee and an audit committee in 1998 and a
nominating committee in 2004, all of which are committees of the Board of
Directors and are composed mainly of non-executive directors of ICON plc.

Compensation committee
The compensation committee comprises Thomas Lynch (Chairman), Edward Roberts and
Dr. Bruce Given. It deals with all aspects of senior executive remuneration. The
committee aims to ensure that remuneration packages are competitive so that
individuals are appropriately rewarded relative to their responsibility,
experience and value to ICON.

Annual bonuses for executive directors are determined by the committee based on
the achievement of ICON's objectives.

Audit committee
The audit committee comprises Edward Roberts (Chairman), Thomas Lynch and Dr.
Bruce Given. It reviews the annual report, the quarterly earnings releases, the
effectiveness of the system of internal controls, reviews the compliance with
our ethical code and legal requirements and approves the appointment and removal
of the external auditors. It also addresses all issues raised and
recommendations made by the external auditors and pre-approves all auditor
services.

Nomination committee
The Nomination committee comprises Thomas Lynch, Edward Roberts and Dr. Bruce
Given. On an ongoing basis it reviews the membership of the board of directors
and board committees. It identifies and recommends individuals to fill any
vacancy that is anticipated or arises on the board of directors. It reviews and
recommends the corporate governance principles of the Company. The nominating
committee held one formal meeting during 2005.

Executive committee
The Executive Committee comprises Dr. John Climax, Peter Gray, Dr. Ronan Lambe
and Sean Leech who holds the position of Chief Financial Officer of the Company.
Established in March 2005, this Committee is responsible for the direction of
the business and affairs of the Company in intervals between meetings of the
Board and exercises business judgement to act in what the Committee members
reasonably believe to be in the best interest of the Company and its
shareholders. All powers exercised by the Executive Committee are ratified at
board meetings. This Committee convenes as often as it determines to be
necessary or appropriate.



                                       30
<PAGE>

The aggregate compensation paid by ICON to all persons who served in the
capacity of director or executive officer in fiscal 2005 (9 persons) was
approximately $1.9 million, but does not include expenses reimbursed to
directors and executive officers (including business travel, professional and
business association dues and expenses). As of May 31, 2005, options granted to
directors and executive officers of ICON to purchase an aggregate of 115,900 of
our ordinary shares were outstanding. The options are exercisable at prices
between $18.00 and $35.50 and expire between May 15, 2006 and February 24, 2013.

In addition, our officers are eligible to participate in ICON's Incentive Share
Option Scheme. See Note 10 to the Consolidated Financial Statements.


Employees

We employed 2,713, 2,432 and 2,280 people for the years ending May 31, 2005,
2004 and 2003, respectively. Our employees are not unionized and we believe that
our relations with our employees are good.


Share Ownership

The following table sets forth certain information regarding beneficial
ownership of ICON's ordinary shares (including ADSs) as of July 27, 2005 by all
of our current directors and executive officers. Unless otherwise indicated
below, to our knowledge, all persons listed below have sole voting and
investment power with respect to their ordinary shares, except to the extent
authority is shared by spouses under applicable law.

Name of Owner or Identity of Group   No. of Shares (1)       Options
--------------------------------------------------------------------
Dr. John Climax                              1,556,892        15,000
Dr. Ronan Lambe                              1,008,470         7,000
Mr. Peter Gray                                  54,220        15,000
Mr. Sean Leech                                       -        52,400
Mr. Thomas Lynch                                40,001        13,500
Mr. Edward Roberts                                   1         9,500
Mr. Shugi Higuchi                                    -         2,500
Dr. Bruce Given                                      -         1,000
Mr. Lee Jones                                        -             -

     (1)  As used in this table, each person has the sole or shared power to
          vote or direct the voting of a security, or the sole or shared
          investment power with respect to a security (i.e. the power to
          dispose, or direct the disposition, of a security). A person is deemed
          as of any date to have "beneficial ownership" of any security if that
          such person has the right to acquire such security within 60 days
          after such date.

Employee Share Option Schemes

On January 17, 2003, we adopted the Share Option Plan 2003, or the 2003 Plan,
pursuant to which the Compensation Committee of the Board may grant options to
employees of the Company or its subsidiaries for the purchase of ordinary
shares. Each option will be either an incentive stock option, or ISO, described
in Section 422 of the Code or an employee stock option, or NSO, not described in
Section 422 or 423 of the Code. Each grant of an option under the 2003 Plan will
be evidenced by a Stock Option Agreement between the optionee and the Company.
The exercise price will be specified in each Stock Option Agreement, however
option prices for an ISO will not be less than 100% of the fair market value of
an ordinary share on the date the option is granted.



                                       31
<PAGE>

An aggregate of 1.5 million ordinary shares have been reserved under the 2003
Plan; and, in no event will the number of ordinary shares that may be issued
pursuant to options awarded under the 2003 Plan exceed 10% of the outstanding
shares, as defined in the 2003 Plan, at the time of the grant. Further, the
maximum number of ordinary shares with respect to which options may be granted
under the 2003 Plan during any calendar year to any employee shall be 100,000
ordinary shares.

No options can be granted after January 17, 2013.

Executive officers and Directors remuneration

For the year ended May 31, 2005, the total remuneration paid to our directors
and executive officers including salary, bonus, pension and benefits-in-kind
(2004: $2,035,499), was as follows:

                                             U.S.$
-----------------------------------------------------
Dr. John Climax                            641,053
Dr. Ronan Lambe                            243,754
Mr. Peter Gray                             518,816
Mr. Sean Leech                             311,861
Mr. Edward Roberts                          50,000
Mr. Thomas Lynch                            35,000
Mr. Shugi Higuchi                           25,000
Dr. Bruce Given                             35,000
Mr. Lee Jones                                7,500
-----------------------------------------------------
Total                                   $1,867,984

Item 7.  Major Shareholders and Related Party Transactions.

     (a)  ICON plc, is not directly or indirectly, owned or controlled by
          another corporation or by any government.

     (b)  The following table sets forth certain information regarding
          beneficial ownership of ICON's ordinary shares (including ADS's) as of
          July 27, 2005 (i) by each person that beneficially owns more than 5%
          of the outstanding ordinary shares, based upon publicly available
          information; and (ii) by all of our current directors and executive
          officers as a group. Unless otherwise indicated below, to our
          knowledge, all persons listed below have sole voting and investment
          power with respect to their ordinary shares, except to the extent
          authority is shared by spouses under applicable law.

<TABLE>
<CAPTION>

Name of Owner or Identity of Group                No. of Shares (1)               Percent of Class
------------------------------------------------------------------------------------------------------
<S>                                                       <C>                                <C>
Fidelity Group Companies (3)                              2,063,486                          14.8%
Wasatch Group Companies (3)                               1,734,182                          12.5%
Dr. John Climax (2)                                       1,571,892                          11.3%
Dr. Ronan Lambe                                           1,015,470                           7.3%
Dalton, Greiner, Hartman, Maher & Co. (3)                   784,955                           5.6%
All directors and officers as a group (4)                 3,003,364                          21.6%

</TABLE>

     (1)  As used in this table, each person has the sole or shared power to
          vote or direct the voting of a security, or the sole or shared
          investment power with respect to a security (i.e., the power to
          dispose, or direct the disposition, of a security). A person is deemed
          as of any date to have "beneficial ownership" of any security if that
          such person has the right to acquire such security within 60 days
          after such date.

     (2)  Includes 1,556,852 ADSs held by Poplar Limited, a Jersey company
          controlled by Dr. Climax.

     (3)  Neither the Company nor any of its officers, directors or affiliates
          hold any voting power in this entity.



                                       32
<PAGE>

     (4)  Includes 343,780 ordinary shares issuable upon the exercise of stock
          options granted by the Company.

Related Parties

On February 6, 1998, ICON entered into an Option Agreement ("The Put Option")
with Rosa Investment Limited ("Rosa"). Rosa's sole activity was to hold an
investment in Clear Investments Limited ("Clear"), the sole activity of which
was to hold Mr. Gray's option to exercise 54,000 ordinary shares. Mr. Gray is a
director of Rosa and Clear. Rosa is owned by a trust of which Mr. Gray is a
beneficiary. On April 21, 2004, Mr. Gray acquired Clear from Rosa and exercised
the Put Option in accordance with the terms of the Option Agreement. On April
22, 2004, pursuant to the Option Agreement, ICON purchased the outstanding share
capital in Clear from Mr. Gray, the consideration for the acquisition being the
issuance of 54,000 fully paid up ordinary shares in ICON, to Mr. Gray, such a
sale being the economic equivalent of Mr. Gray exercising his stock options.

Amarin Corporation plc ("Amarin") is a neuroscience company focused on the
research, development and commercialisation of drugs for the treatment of
central nervous system disorders. During fiscal 2005, Amarin contracted ICON
Clinical Research Limited (a wholly owned subsidiary of ICON plc), to conduct a
clinical trial on its behalf. The total potential value of this study is $2.7
million. As at July 27, 2005, Amarin Investment Holding Company Limited (a
company controlled by Mr. Thomas Lynch), Sunninghill Limited (a company
controlled by Dr. John Climax) and Dr. Ronan Lambe held 9.1 million, 5.6 million
and 1.6 million shares respectively in Amarin Corporation plc. These respective
holdings equate to approximately 18%, 11% and 3% of Amarin's issued share
capital. Thomas Lynch also serves as chairman and non-executive director on the
Board of Amarin. At May 31, 2005, $0.4m was outstanding to be received from
Amarin on this trial.


Item 8.  Financial Information.

Financial Statements

See item 18.

Legal Proceedings

ICON is not party to any litigation or other legal proceedings that we believe
could reasonably be expected to have a material adverse effect on our business,
results of operations and financial condition.

Dividends

We have not paid cash dividends on our ordinary shares and do not intend to pay
cash dividends on our ordinary shares in the foreseeable future.



                                       33
<PAGE>




Item 9.  The Offer and the Listing.

ICON's ADSs are traded on the Nasdaq National Market under the symbol "ICLR".
Our Depository for the ADSs is The Bank of New York. ICON also has a secondary
listing on the Official List of the Irish Stock Exchange. No securities of ICON
are traded in any other market. The following table sets forth the trading price
for the dates indicated for ICON plc ADSs as reported by Nasdaq.

                               High Sales Price     Low Sales Price
Year Ending                     During Period        During Period
---------------------------- --------------------- -------------------
May 31, 2000                        $29.00               $11.87
May 31, 2001                        $29.75               $15.00
May 31, 2002                        $39.58               $22.93
May 31, 2003                        $32.87               $14.88
May 31, 2004                        $46.05               $25.87
May 31, 2005                        $44.92               $30.26

                               High Sales Price    Low Sales Price
Quarter Ending                  During Period        During Period
---------------------------- --------------------- -------------------
May 31, 2002                        $34.49               $23.87
Aug 31, 2002                        $30.50               $14.88
Nov 30, 2002                        $26.00               $18.99
Feb 28, 2003                        $32.87               $22.35
May 31, 2003                        $30.85               $21.36
Aug 31, 2003                        $36.80               $25.87
Nov 30, 2003                        $45.04               $31.20
Feb 29, 2004                        $46.05               $33.03
May 31, 2004                        $43.49               $29.74
Aug 31, 2004                        $44.92               $31.75
Nov 30, 2004                        $39.39               $31.04
Feb 28, 2005                        $38.99               $33.78
May 31, 2005                        $38.95               $30.26

                               High Sales Price    Low Sales Price
Month Ending                    During Period        During Period
---------------------------- --------------------- -------------------
Dec 31, 2004                        $38.99               $37.07
Jan 31, 2005                        $38.04               $34.79
Feb 28, 2005                        $36.23               $33.78
March 31, 2005                      $38.95               $34.42
April 30, 2005                      $38.43               $32.77
May 31, 2005                        $34.03               $30.26




                                       34
<PAGE>




Item 10.  Additional Information.

Exchange Controls and Other Limitations Affecting Security Holders.

Irish exchange control regulations ceased to apply from and after December 31,
1992. Except as indicated below, there are no restrictions on non-residents of
Ireland dealing in domestic securities, which includes shares or depository
receipts of Irish companies such as ICON. Except as indicated below, dividends
and redemption proceeds also continue to be freely transferable to non-resident
holders of such securities.

The Financial Transfers Act, 1992 gives power to the Minister for Finance of
Ireland to make provision for the restriction of financial transfers between
Ireland and other countries. Financial transfers are broadly defined, and
include all transfers, which would be movements of capital or payments within
the meaning of the treaties governing the European Communities. The acquisition
or disposal of ADRs representing shares issued by an Irish incorporated company
and associated payments may fall within this definition. In addition, dividends
or payments on redemption or purchase of shares and payments on a liquidation of
an Irish incorporated company would fall within this definition. At present, the
Financial Transfers Act, 1992 prohibits certain financial transfers to (or in
respect of funds held by the government of) the Federal Republic of Yugoslavia,
Slobodan Milosevic and associated persons, persons indicted by the International
Criminal Tribunal for the former Yugoslavia, Zimbabwe (including senior members
of the Zimbabwean government), Iraq, Liberia, Burma/Myanmar, the Republic of
Serbia, Democratic Republic of Congo, Ivory Coast, Al Qaeda, Osama Bin Laden and
the Taliban of Afghanistan.

Any transfer of, or payment in respect of an ADS involving the government of any
country which is currently the subject of United Nations sanctions, any person
or body controlled by any of the foregoing, or by any person acting on behalf of
the foregoing, may be subject to restrictions pursuant to such sanctions as
implemented into Irish law. There are no restrictions under ICON's Articles of
Association, or under Irish Law, that limit the right of non-residents or
foreign owners to hold or vote the ordinary shares.

Taxation

General

The following discussion is based on existing Irish tax law, Irish court
decisions and the practice of the Revenue Commissioners of Ireland, and the
convention between the United States and Ireland for the Avoidance of Double
Taxation and the Prevention of Fiscal Evasion with respect to income and capital
gains (the "Treaty"). This discussion does not purport to deal with the tax
consequences of owning the ordinary shares for all categories of investors, some
of which may be subject to special rules. Prospective purchasers of ordinary
shares are advised to consult their own tax advisors concerning the overall tax
consequences arising in their own particular situations under Irish law. Each
prospective investor should understand that future legislative, administrative
and judicial changes could modify the tax consequences described below, possibly
with retroactive effect.

As used herein, the term "U.S. Holder" means a beneficial owner of ordinary
shares that (i) owns the ordinary shares as capital assets; (ii) for U.S.
federal income tax purposes, is an individual who is a U.S. citizen or resident,
a U.S. corporation, an estate the income of which is subject to U.S. federal
income taxation regardless of its source or a trust that meets the following two
tests: (A) a U.S. court is able to exercise primary supervision over the
administration of the trust, and (B) one or more U.S. persons have the authority
to control all substantial decisions of the trust; and for purposes of the
discussion under Irish Taxation of U.S. Holders (A) is not a resident of, or
ordinarily resident in, Ireland for the purposes of Irish tax; and (B) is not
engaged in trade or business in Ireland through a permanent establishment.

AS USED HEREIN, REFERENCES TO THE ORDINARY SHARES SHALL INCLUDE ADSs
REPRESENTING SUCH ORDINARY SHARES AND ADRs EVIDENCING OWNERSHIP OF SUCH ADSs.



                                       35
<PAGE>

Irish Taxation

Irish corporation tax on income
ICON is a public limited company incorporated and resident for tax purposes in
Ireland.

For Irish tax purposes, the residence of a company is in the jurisdiction where
the central management and control of the company is located. Subject to certain
exceptions, all Irish incorporated companies are deemed to be Irish tax
resident. Companies which are resident in the Republic of Ireland are subject to
Irish corporation tax on their total profits (wherever arising and, generally,
whether or not remitted to the Republic of Ireland). The question of residence,
by virtue of management and control, is essentially one of fact. It is the
present intention of the company's management to continue to manage and control
the company from the Republic of Ireland, so that the company will continue to
be resident in the Republic of Ireland.

The standard rate of Irish corporation tax on trading income (with certain
exceptions) is currently 12.5%.


Patent exemption is available to Irish resident companies whose income derives
from qualifying royalties or license fees paid in respect of qualifying patents.
The main requirement to qualify for the exemption is that the research,
planning, processing, experimentation, testing, devising, designing, developing
or similar activity leading to the invention which is the subject of the patent
is carried out in Ireland. Under Irish law, income from such qualifying patents
is disregarded for taxation purposes. There is no termination date for this
relief specified in the legislation.

To the extent that the company is involved in the "manufacture" of goods in
Ireland, income from this activity, in respect of its data processing operations
carried out in Ireland (which is deemed to be manufacturing for Irish tax
purposes) , can qualify for a 10% rate of tax. This relief is available until
December 31, 2010 and thereafter the income will be taxed at the standard rate
applicable to trading income which is currently 12.5%.

Corporation tax is charged at the rate of 25% on a company's non-trading income
and certain types of trading income not eligible for the lower rates discussed
above.

Irish capital duty, a tax on the issuance of share capital by companies, is
payable at the rate of 0.5% of proceeds received by the company in consideration
of such issuance.

Capital gains arising to an Irish resident company are liable to tax at 20%.
However, a capital gains tax exemption has been introduced in Ireland in respect
of disposals of certain shareholdings. The exemption applies with retrospective
effect to disposals occurring on after 2 February 2004.

The exemption from capital gains tax on the disposal of shares by an Irish
resident company will apply where certain conditions are met. These conditions
principally are:

o    The company claiming the exemption must hold (directly or indirectly) at
     least 5% of the ordinary share capital of the company in which the interest
     in which is being disposed of, for a period of at least one year, within
     the two year period prior to disposal.

o    The shares being disposed of must be in a company, which at the date of
     disposal, is resident in an EU Member State or in a state with which
     Ireland has a double tax agreement.

o    The shares must be in a company which is primarily a trading company or
     else the company making the disposal together with its "5% plus
     subsidiaries" should be primarily a trading group.

o    The shares must not derive the greater part of their value from land or
     mineral rights in the State.

Taxation of Dividends
Unless exempted, all dividends paid by ICON, other than dividends paid entirely
out of exempt patent income (subject to conditions), will be subject to Irish
withholding tax at the standard rate of income tax in force at the time the
dividend is paid, currently 20%. An individual shareholder who is neither
resident nor ordinarily resident for tax purposes in Ireland, but is



                                       36
<PAGE>

resident in a country with which Ireland has a double tax treaty, which includes
the United States, or in a member state of the European Union, other than
Ireland (together a "Relevant Territory"), will be exempt from withholding tax
provided he or she makes the requisite declaration. No dividend withholding tax
will apply on the payment of a dividend from an Irish resident company to its
Irish resident 51% parent company. Where the Irish company receiving the
dividend does not hold at least 51% of the shares of the paying company, the
dividend will be exempt if the Irish corporate shareholder makes the requisite
declaration.

Non-Irish resident corporate shareholders that:

     o    are ultimately controlled by residents of a Relevant Territory;

     o    are resident in a Relevant Territory and are not controlled by Irish
          residents;

     o    have the principal class of their shares, or shares of a 75% parent,
          substantially and regularly traded on one or more recognized stock
          exchanges in a Relevant Territory or Territories; or

     o    are wholly owned by two or more companies, each of whose principal
          class of shares is substantially and regularly traded on one or more
          recognized stock exchanges in a Relevant Territory or Territories;

will be exempt from withholding tax on the production of the appropriate
certificates and declarations.

U.S. Holders of ordinary shares (as opposed to ADSs: see below) should note,
however, that these documentation requirements may be burdensome. As described
below, these documentation requirements do not apply in the case of ADSs.

Special arrangements are available in the case of an interest in shares held in
Irish companies through American depositary banks using ADSs. The depositary
bank will be allowed to receive and pass on a dividend from the Irish company
without any deduction for withholding tax in the following circumstances:

     o    the depositary has been authorized by the Irish Revenue Commissioners
          as a qualifying intermediary and such authorization has not expired or
          revoked; and either

     o    the depositary bank's ADS register shows that the beneficial owner has
          a U.S. address on the register; or

     o    if there is a further intermediary between the depositary bank and the
          beneficial owner, where the depositary bank receives confirmation from
          the intermediary that the beneficial owner's address in the
          intermediary's records is in the U.S.


Income Tax
Under certain circumstances, non-Irish resident shareholders will be subject to
Irish income tax on dividend income. This liability is limited to tax at the
standard rate and therefore, where withholding tax has been deducted, this will
satisfy the tax liability.

However, a non-Irish resident shareholder will not have an Irish income tax
liability on dividends from the company if the holder is neither resident nor
ordinarily resident in the Republic of Ireland and the holder is:

     o    an individual resident in the U.S. ( or any other country with which
          Ireland has concluded a double taxation treaty);

     o    a corporation that is ultimately controlled by persons resident in the
          U.S. (or any other country with which Ireland has concluded a double
          taxation treaty);

     o    a corporation whose principal class of shares (or its 75% or greater
          parent's principal class of shares) is substantially and regularly
          traded on a recognized stock exchange in an EU country or a country
          with which Ireland has concluded a double taxation treaty;



                                       37
<PAGE>

     o    a corporation resident in another EU member state or in a country with
          which Ireland has concluded a double taxation treaty, which is not
          controlled directly or indirectly by Irish residents; or

     o    a corporation that is wholly owned by two or more corporations each of
          whose principal class of shares is substantially and regularly traded
          on a recognized stock exchange in an EU country or a country with
          which Ireland has concluded a double taxation treaty.

U.S. Holders that do not fulfill the documentation requirements or otherwise do
not qualify for the withholding tax exemption may be able to claim treaty
benefits under the treaty. U.S. Holders that are entitled to benefits under the
treaty will be able to claim a partial refund of the 20% withholding tax from
the Irish Revenue Commissioners.

Taxation of Capital Gains
A person who is not resident or ordinarily resident in Ireland, has not been an
Irish resident within the past five years and who does not carry on a trade in
Ireland through a branch or agency will not be subject to Irish capital gains
tax on the disposal of ordinary shares or ADSs, so long as the ordinary shares
or ADSs, as the case may be, are either quoted on a stock exchange or do not
derive the greater part of their value from Irish land or mineral rights. There
are provisions to subject a person who disposes of an interest in a company
while temporarily being non-Irish resident, to Irish capital gains tax. This
treatment will apply to Irish domiciled individuals -:

     o    who cease to be Irish resident;

     o    who own the shares when they cease to be resident;

     o    if there are not more than 5 years of assessment between the last year
          of Irish tax residence prior to becoming temporarily non-resident and
          the tax year that he/she resumes Irish tax residency;

     o    who dispose of an interest in a company during this temporary
          non-residence; and

     o    the interest disposed of represents 5% or greater of the share capital
          of the company or is worth at least (euro)500,000.

In these circumstances the person will be deemed, for Irish capital gains tax
purposes, to have sold and immediately reacquired the interest in the company on
the date of his or her departure and will be subject to tax at 20% of the
taxable gain.

Irish Capital Acquisitions Tax
Irish capital acquisitions tax (referred to as CAT) applies to gifts and
inheritances.

Where a gift or inheritance is taken under a disposition made after December 1,
1999, it will be within the charge to CAT:

     o    to the extent that the property of which the gift or inheritance
          consists is situated in the Republic of Ireland at the date of the
          gift or inheritance;

     o    where the person making the gift or inheritance is or was resident or
          ordinarily resident in the Republic of Ireland at the date of the
          disposition under which the gift or inheritance is taken;

     o    in the case of a gift taken under a discretionary trust where the
          person from whom the gift is taken was resident or ordinarily resident
          in the Republic of Ireland at the date he made the settlement, or at
          the date of the gift or, if he is dead at the date of the gift, at his
          death; or

     o    where the person receiving the gift or inheritance is resident or
          ordinarily resident in the Republic of Ireland at the date of the gift
          or inheritance.

Where a gift or an inheritance is taken under a disposition made prior to
December 1, 1999, CAT is chargeable in the following circumstances:

     o    to the extent that the property of which the gift or inheritance
          consists is situated in the Republic of Ireland at the date of the
          gift or inheritance;

     o    where the person making the gift or inheritance is or was domiciled in
          Ireland at the date of the disposition under which the gift or
          inheritance is taken;



                                       38
<PAGE>

     o    in the case of a gift taken under a discretionary trust, where the
          disponer, who is usually the settlor, in relation to that trust was
          domiciled in Ireland at the date he made the settlement, or at the
          date of the gift or, where the gift is taken after his death, at the
          date of his death.

The person who receives the gift or inheritance is primarily liable for CAT. A
person is secondarily liable if he is the donor, his personal representative or
an agent, trustee or other person in whose care the property constituting the
gift or inheritance or the income therefrom is placed. Taxable gifts or
inheritances received by an individual since December 5, 1991 from donors in the
same threshold class are aggregated and only the excess over a specified
tax-free threshold is taxed. The tax-free threshold is dependent on the
relationship between the donor and the donees and the aggregation since December
5, 1991 of all previous gifts and inheritances, within the same tax threshold.

The tax-free threshold amounts currently in force are:

     o    (euro)23,336 in the case of persons who are not related to one
          another;

     o    (euro)46,673 in the case of gifts or inheritances received from inter
          alia a brother or sister or from a brother or sister of a parent or
          from a grandparent; and

     o    (euro)466,725 in the case of gifts and inheritances received from a
          parent (or from a grandparent by a minor child of a deceased child)
          and specified inheritances received by a parent from a child.

Gifts and inheritances passing between spouses are exempt from CAT.

A gift or inheritance of ordinary shares or ADSs will be within the charge to
Irish capital acquisitions tax, notwithstanding that the person from whom or by
whom the gift or inheritance is received is domiciled or resident outside
Ireland.

The Estate Tax Convention between Ireland and the United States generally
provides for Irish capital acquisitions tax paid on inheritances in Ireland to
be credited against U.S. federal estate tax payable in the United States and for
tax paid in the United States to be credited against tax payable in Ireland,
based on priority rules set forth in the Estate Tax Convention. The Estate Tax
Convention does not apply to Irish capital acquisitions tax paid on gifts.

Irish Probate Tax
Irish probate tax was abolished under the Finance Act, 2001. No probate tax will
arise on any assets passing in respect of a death occurring on or after December
6, 2000.

Irish Stamp Duty - Ordinary Shares
Irish stamp duty, which is a tax on certain documents, including CREST operator
instructions, is payable on all transfers of the ordinary shares (other than
between spouses) whenever a document of transfer is executed. Where the transfer
is attributable to a sale, stamp duty will be charged at a rate of 1%, rounded
to the nearest Euro. The stamp duty is calculated on the amount or value of the
consideration (i.e. purchase price) or, if the transfer is by way of a gift
(subject to certain exceptions) or for consideration less than the market value,
on the market value of the shares. Where the consideration for the sale is
expressed in a currency other than Euro, the duty will be charged on the Euro
equivalent calculated at the rate of exchange prevailing on the date of the
transfer.

Transfers of ordinary shares between associated companies (broadly, companies
within a 90% group relationship, and subject to the satisfaction of certain
conditions) are exempt from stamp duty in the Republic of Ireland. In the case
of transfers of ordinary shares where no beneficial interest passes (e.g. a
transfer of shares from a beneficial owner to his nominee), no stamp duty arises
where the transfer contains the appropriate certificate and, in the absence of
such certificate, a flat rate of ?(euro)12.70 (the nominal rate) will apply.

Irish Stamp Duty - ADSs Representing Ordinary Shares
A transfer by a shareholder to the depositary or custodian of ordinary shares
for deposit under the deposit agreement in return for ADSs and a transfer of
ordinary shares from the depositary or the custodian upon surrender of ADSs for
the purposes of the withdrawal of the underlying ordinary shares in accordance
with the terms of the deposit agreement will be stampable at the ad valorem rate
if the transfer relates to a sale or contemplated sale or any other change in
the beneficial ownership of such ordinary shares. However, it is not certain
whether the mere withdrawal of ordinary shares in exchange for ADSs or ADSs for
ordinary shares would be deemed to be a transfer of or change in the beneficial
ownership which would be subject to stamp duty at the ad valorem rate. Where the
transfer merely relates to a transfer where no change in the beneficial
ownership in the underlying ordinary shares is effected or contemplated, no
stamp duty arises where the transfer contains the



                                       39
<PAGE>

appropriate certificate and, in the absence of such certificate, the nominal
rate stamp duty of (euro)12.70 applies.

Transfers of ADSs are exempt from Irish stamp duty as long as the ADSs are dealt
in on the Nasdaq National Market or any recognized stock exchange in the United
States or Canada.

The person accountable for payment of stamp duty is the transferee or, in the
case of a transfer by way of gift, or for a consideration less than the market
value, all parties to the transfer. A late or inadequate payment of stamp duty
will result in a liability to pay interest, penalties and fines.


Certain U.S. Federal Income Tax Matters

Passive Foreign Investment Company ("PFIC") Status

A foreign corporation generally will be a passive foreign investment company
(a"PFIC") for United States federal income tax purposes if in any tax year
either 75% or more of its gross income is "passive income" (generally including
(without limitation) dividends, interest, royalties, rents and annuities) or the
average percentage of its assets that produce passive income or are held for the
production of passive income is at least 50%. ICON believes that it is not
currently a PFIC and, based on ICON management's current projections of ICON's
future income and assets and the manner in which ICON currently intends to
manage and conduct its business in the future, that ICON will not become a PFIC
in the future. However, the PFIC rules are complex and subject to some
uncertainty (given the very limited amount of authority interpreting such rules)
and, thus, there can be no assurance that Icon plc is not currently a PFIC or
will not become one in the future. If ICON plc were treated as a PFIC for any
taxable year in which a U.S. Holder held ordinary shares or ADSs, certain
adverse consequences could apply, including a material increase in the amount of
tax that the U.S. Holder would owe, an imposition of tax earlier than would
otherwise be imposed and additional tax form filing requirements. U.S. Holders
should consult with their tax advisors as to the effect of these rules.


The foregoing discussion of U.S federal income tax matters is limited to PFIC
status-- U.S.Holders of ordinary shares or ADSs should consult their own tax
advisors about the U.S. federal income tax consequences of the ownership and
disposition of ordinary shares or ADSs.

Documents on Display

We are subject to the informational requirements of the Securities Exchange Act
of 1934, as amended, and file reports and other information with the SEC. You
may read and copy any of our reports and other information at, and obtain copies
upon payment of prescribed fees from, the Public Reference Room maintained by
the SEC at 450 Fifth Street, N.W., Room 1024, Washington, D.C. 20549 and at the
SEC's regional office at Northwestern Atrium Center, 500 West Madison Street,
Suite 1400, Chicago, IL 60661. In addition, the SEC maintains a Web site that
contains reports, proxy and information statements and other information
regarding registrants that file electronically with the SEC at
http://www.sec.gov. The public may obtain information on the operation of the
Public Reference Room by calling the SEC at 1-800-SEC-0330.

We "incorporate by reference" information that we file with the SEC, which means
that we can disclose important information to you by referring you to those
documents. The information incorporated by reference is an important part of
this report and more recent information automatically updates and supersedes
more dated information contained or incorporated by reference in this report.
Our SEC file number is 333-8704.

As a foreign private issuer, we are exempt from the rules under the Securities
Exchange Act of 1934, as amended, prescribing the furnishing and content of
proxy statements to shareholders.

We will provide without charge to each person, including any beneficial owner,
on the written or oral request of such person, a copy of any or all documents
referred to above which have been or may be incorporated by reference in this
report (not including exhibits to such incorporated information that are not
specifically incorporated by reference into such information). Requests for such
copies should be directed to us at the following address: ICON plc, South County
Business Park, Leopardstown, Dublin 18, Ireland, Attention: Brian O'Dwyer,
telephone number: (353) 1 291 2000.


Exemptions From Corporate Governance Listing Requirements Under the Nasdaq
Marketplace Rules

Nasdaq may provide exemptions from the Nasdaq corporate governance standards to
a foreign private issuer when those standards are contrary to a law, rule or
regulation of any public authority exercising jurisdiction over such issuer or
contrary to generally accepted business practices in the issuer's country of
domicile, except to the extent that such exemptions would be contrary to United
States federal securities laws. ICON, as a foreign private issuer, was granted
an exemption in 1998 from provisions set forth in Nasdaq Rule 4350(f), which
requires each issuer to provide for a quorum in its by-laws for any meeting of
the holders of common stock, which shall in no case be less than 33.33% of the
outstanding shares of the issuer's outstanding voting stock. ICON's Articles of
Association require that only 3 members be present at a shareholder meeting to
constitute a quorum. This quorum requirement is in accordance with Irish law and
generally accepted business practices in Ireland.


                                       40
<PAGE>




Item 11.  Quantitative and Qualitative Disclosures about Market Risk.

Qualitative Disclosure of Market Risk. The principal market risks (i.e. risk of
loss arising from adverse changes in market rates and prices) to which we are
exposed are:

     o    Interest rate changes on short term investments (available for sale)
          in the form of floating rate notes and medium term minimum "A" rated
          corporate securities, and

     o    Foreign currency risk on non-U.S. dollar denominated cash and non-U.S.
          dollar denominated debt.

We use derivative financial instruments solely to hedge exposure to these market
risks and we do not enter into these instruments for trading or speculative
purposes.

Our primary foreign currency exchange risk relates to movements in rates between
the U.S. dollar, Sterling and the Euro. At May 31, 2005, we had cash denominated
in non-U.S. dollar denominated currencies. In order to reduce the foreign
currency exchange risk during the year, we entered into certain derivative
instruments to reduce our exposure to adverse changes in exchange rates. These
financial instruments comprised of a series of foreign exchange forward
contracts all of which were settled during the 2005 fiscal year. At May 31,
2005, we held no foreign exchange forward contracts.

Quantitative disclosure of Market Risk. The analysis below presents the
sensitivity of the market value, or fair value of our financial instruments to
selected changes in market rates and prices. The changes chosen represent our
view of changes that are reasonable over a one year period. The estimated fair
value of the foreign exchange forward contracts is based on quotations from
independent third party financial institutions.

The hypothetical changes in fair value are estimated based on the same
methodology used by the third party financial institutions to calculate the fair
value of the original instruments, keeping all variables constant except the
relevant exchange rate, as the case may be, which has been adjusted to reflect
the hypothetical change. Fair value estimates by their nature are subjective and
involve uncertainties and matters of significant judgment and therefore cannot
be determined precisely.

Foreign Currency Exchange Risk

The sensitivity analysis below represents the hypothetical change in fair value
based on an immediate 10% movement in the exchange rates.

<TABLE>
<CAPTION>

                                                                   Fair value Change +10%       Fair value Change -10%
                                            Fair value at             movement in foreign          movement in foreign
                                             May 31, 2005                   exchange rate                exchange rate
                                           (in thousands)                  (in thousands)               (in thousands)

<S>                                                <C>                              <C>                         <C>
Non-U.S. Dollar denominated cash                   $7,137                           $ 714                       $(714)


Non-U.S. Dollar denominated                             -                               -                            -
short term debt

</TABLE>


Item 12. Description of Securities Other than Equity Securities.

Not applicable.




                                       41
<PAGE>

Part II

Item 13. Defaults, Dividend Arrearages and Delinquencies.

None.

Item 14. Material Modifications to the Rights of Security Holders and Use of
         Proceeds.

None.

Item 15. Controls and Procedures

(a) Evaluation of disclosure controls and procedures.

At the end of the fiscal year, an evaluation was carried out under the
supervision and with the participation of the Company's management, including
the Chief Executive Officer (CEO) and the Chief Financial Officer (CFO), of the
effectiveness of our disclosure controls and procedures. Based on that
evaluation, the CEO and CFO have concluded that the Company's disclosure
controls and procedures are effective to ensure that information required to be
disclosed by the Company in reports that it files or submits under the
Securities Exchange Act of 1934 is recorded, processed, summarized and reported
within the time periods specified in Securities and Exchange Commission rules
and forms.

(b) Changes in internal controls.

There were no changes in the Company's internal controls over financial
reporting that occurred during the period covered by this Form 20-F that have
materially affected or are reasonably likely to materially affect the Company's
internal controls over financial reporting.

Item 16. Reserved.

A.   Audit Committee Financial Expert

During fiscal year 2004 the Company named Mr. Thomas Lynch, as an audit
committee financial expert serving on its audit committee and board of
directors. Mr. Lynch is independent and serves as one of the company's
non-executive directors.

B.   Code of Ethics

The Company's Board of Directors adopted a code of ethics in 2003 that applies
to the Chief Executive Officer, the Chief Financial Officer and any persons
performing similar functions, if any, of the Company.

There are no material modifications to, or waivers from, the provisions of such
code, which are required to be disclosed.

This code is available on the Company's website at the following address:

http://www.iconclinical.com/index.asp?getpage=true&sid=1&ssid=0&sssid=0&page=17

C.   Principal Accountant Fees and Services

The Company's principal accountants for the years 2004 and 2005 were KPMG.

The table below summarizes the fees for professional services rendered by KPMG
for the audit of the Company's annual financial statements for 2004 and 2005 and
fees billed for other services rendered by KPMG.





                                       42
<PAGE>




<TABLE>
<CAPTION>

                                                                               Year ended May 31st
                                                                          2004                          2005
                                                                (in thousands)         %      (in thousands)      %
<S>                                                                       <C>         <C>               <C>      <C>
Audit fees (1)                                                            $647        60%               $719     72%
Audit related fees (2)                                                      40         4%                  6      1%
Tax fees (3)                                                               369        34%                249     25%
All other fees (4)                                                          19         2%                 18      2%

------------------------------------------------------------ ------------------ ---------- ------------------ -------
Total                                                                   $1,075       100%               $992    100%
------------------------------------------------------------ ------------------ ---------- ------------------ -------

</TABLE>


(1)  Audit fees include annual audit fees for ICON plc and its subsidiaries as
     well as fees for the registration statement filed in 2004.

(2)  Audit related fees principally consisted of fees for financial due
     diligence services and fees for audit of financial statements of employee
     benefit plans.

(3)  Tax fees are fees for tax compliance and tax consultation services.

(4)  All other fees are fees for secretarial assistance rendered by the
     Company's auditors.

The Audit Committee pre-approves on an annual basis the audit and non-audit
services provided to the Company by its auditors.

Such annual pre-approval is given with respect to particular services. The Audit
Committee, on a case-by-case basis, may approve additional services not covered
by the annual pre-approval, as the need for such services arises.

Part III

Item 17. Financial Statements.

Not applicable.

Item 18. Financial Statements.

Reference is made to pages 45 to 76 of this Form 20-F.

Item 19. Financial Statements and Exhibits.

Financial statements of ICON plc and subsidiaries

     Report of Independent Registered Public Accounting Firm

     Consolidated Balance Sheets at May 31, 2004, and May 31, 2005

     Consolidated Statements of Operations for the years ended May 31, 2003,
     2004 and 2005

     Consolidated Statements of Shareholders' Equity and Comprehensive Income
     for the years ended May 31, 2003, 2004 and 2005.

     Consolidated Statements of Cash Flows for the years ended May 31, 2003,
     2004 and 2005



                                       43
<PAGE>

     Notes to the Consolidated Financial Statements

Exhibits of ICON plc and subsidiaries

     Significant subsidiaries

     Section 906 certifications




                                       44
<PAGE>




             REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM


To the Directors and Shareholders of ICON plc



     We have audited the accompanying consolidated balance sheets of ICON plc
     and subsidiaries as of May 31, 2004 and 2005 and the related consolidated
     statements of operations, shareholders' equity and comprehensive income and
     cash flows for each of the years in the three-year period ended May 31,
     2005. These consolidated financial statements are the responsibility of the
     Company's management. Our responsibility is to express an opinion on these
     consolidated financial statements based on our audits.

     We conducted our audits in accordance with auditing standards generally
     accepted in Ireland and the standards of the Public Company Accounting
     Oversight Board (United States). Those standards require that we plan and
     perform the audit to obtain reasonable assurance about whether the
     financial statements are free of material misstatement. An audit includes
     examining, on a test basis, evidence supporting the amounts and disclosures
     in the financial statements. An audit also includes assessing the
     accounting principles used and significant estimates made by management, as
     well as evaluating the overall financial statement presentation. We believe
     that our audits provide a reasonable basis for our opinion.

     In our opinion, the consolidated financial statements referred to above
     present fairly, in all material respects, the consolidated financial
     position of ICON plc and subsidiaries as of May 31, 2004 and 2005, and the
     consolidated results of their operations and their cash flows for each of
     the years in the three-year period ended May 31, 2005 in conformity with
     accounting principles generally accepted in the United States.


     KPMG
     Public Accounting Firm

     Dublin, Ireland
     July 27, 2005







                                       45
<PAGE>



<TABLE>
<CAPTION>

                                    ICON plc
                           CONSOLIDATED BALANCE SHEETS
---------------------------------------------------------------------------------------------------------------------

                                                                                                   May 31,
                                                                                         2004                   2005
                                                                                               (in thousands)
ASSETS
Current Assets:
<S>                                                                                   <C>                    <C>
    Cash and cash equivalents                                                         $55,678                $56,341
    Short term investments - available for sale (Note 3)                               23,085                 22,034
    Accounts receivable                                                                74,079                 80,486
    Unbilled revenue                                                                   59,861                 56,762
    Other receivables                                                                   4,306                  5,662
    Deferred tax asset (Note 13)                                                        1,684                  2,637
    Prepayments and other current assets                                                9,468                 10,717
--------------------------------------------------------------------------- ------------------ ----------------------
    Total current assets                                                              228,161                234,639
Other Assets:
    Property, plant and equipment, net (Note 6)                                        42,936                 45,286
    Goodwill (Note 4)                                                                  64,226                 67,440
    Intangible assets (Note 5)                                                              -                    188
--------------------------------------------------------------------------- ------------------ ----------------------
Total Assets                                                                         $335,323               $347,553
--------------------------------------------------------------------------- ------------------ ----------------------

LIABILITIES AND SHAREHOLDERS' EQUITY
Current Liabilities:
    Accounts payable                                                                  $12,801                $10,379
    Payments on account                                                                61,960                 52,583
    Other liabilities (Note 7)                                                         35,091                 39,890
    Deferred tax liability (Note 13)                                                        -                    310
    Income taxes payable                                                                4,496                  6,189
--------------------------------------------------------------------------- ------------------ ----------------------
    Total current liabilities                                                         114,348                109,351
Other Liabilities:
    Long term government grants (Note 11)                                               1,411                  1,257
    Long term finance leases                                                              167                    248
    Non-current deferred tax liability (Note 13)                                        2,637                  2,747
    Minority interest                                                                       -                    884

Shareholders' Equity:
    Ordinary shares, par value 6 Euro cents per share; 20,000,000 shares
    authorized, 13,838,476 shares issued and outstanding at May 31, 2004 and
    13,899,096 shares issued and outstanding at May 31, 2005 (Note 12)                    980                    985
    Additional paid-in capital                                                        112,936                114,447
    Accumulated other comprehensive income                                              9,984                 11,229
    Merger reserve                                                                         47                     47
    Retained earnings                                                                  92,813                106,358
--------------------------------------------------------------------------- ------------------ ----------------------

    Total Shareholders' Equity                                                        216,760                233,066
--------------------------------------------------------------------------- ------------------ ----------------------

    Total Liabilities and Shareholders' Equity                                       $335,323               $347,553
---------------------------------------------------------------------------------------------------------------------

</TABLE>

     The accompanying notes are an integral part of these consolidated financial
statements.


                                       46
<PAGE>



<TABLE>
<CAPTION>

                                    ICON plc
                      CONSOLIDATED STATEMENTS OF OPERATIONS
---------------------------------------------------------------------------------------------------------------------

                                                                                      Year Ended May 31,
                                                                                2003             2004           2005
                                                                     (in thousands, except share and per share data)


Revenue:
<S>                                                                         <C>              <C>            <C>
    Gross revenue                                                           $340,971         $443,875       $469,583
    Subcontractor costs                                                    (115,246)        (146,952)      (142,925)
---------------------------------------------------------------- -------------------- ---------------- --------------
    Net revenue                                                              225,725          296,923        326,658

Costs and expenses:
    Direct costs                                                             122,373          162,562        179,661
    Selling, general and administrative                                       71,118           88,807        103,784
    Depreciation and amortization                                              7,305           11,171         13,331
     Other charges (Note 14)                                                       -                -         11,275
---------------------------------------------------------------- -------------------- ---------------- --------------

Total costs and expenses                                                     200,796          262,540        308,051
---------------------------------------------------------------- -------------------- ---------------- --------------

Income from operations                                                        24,929           34,383         18,607
Interest income                                                                  633              490          1,208
Interest expense                                                               (279)            (202)          (229)
---------------------------------------------------------------- -------------------- ---------------- --------------

Income before provision for income taxes                                      25,283           34,671         19,586
Provision for income taxes (Note 13)                                         (7,000)          (8,929)        (5,852)
Minority interest                                                                  -                -          (189)
---------------------------------------------------------------- -------------------- ---------------- --------------

Net income                                                                   $18,283          $25,742        $13,545
---------------------------------------------------------------- -------------------- ---------------- --------------

    Net income per ordinary share:
Basic                                                                          $1.55            $1.94          $0.98
---------------------------------------------------------------- -------------------- ---------------- --------------

Diluted                                                                        $1.50            $1.88          $0.96
---------------------------------------------------------------- -------------------- ---------------- --------------

    Weighted average number of ordinary shares outstanding:
Basic                                                                     11,813,788       13,267,531     13,860,203
---------------------------------------------------------------- -------------------- ---------------- --------------

Diluted                                                                   12,181,094       13,703,163     14,153,445
---------------------------------------------------------------- -------------------- ---------------- --------------

</TABLE>


The accompanying notes are an integral part of these consolidated financial
statements.


                                       47
<PAGE>


<TABLE>
<CAPTION>



                                    ICON plc
               CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY AND COMPREHENSIVE INCOME
---------------------------------------------------------------------------------------------------------------------------------

                                                                               Accumulated
                                                               Additional            Other
                                                                  Paid-in    Comprehensive    Retained     Merger
                                           Shares    Amount       Capital           Income    Earnings    Reserve          Total
                                                             (in thousands, except share and per share data)

------------------------------------ ------------- --------- ------------- ---------------- ----------- ---------- --------------
<S>                                    <C>             <C>        <C>             <C>          <C>            <C>       <C>
Balance at May 31, 2002                11,798,501      $839       $60,348         $(2,461)     $48,788        $47       $107,561
------------------------------------ ------------- --------- ------------- ---------------- ----------- ---------- --------------

Comprehensive Income:
Net income                                      -         -             -                -      18,283          -         18,283
Currency translation adjustment                 -         -             -           10,248           -          -         10,248
                                                                                                                   --------------
Total comprehensive income                                                                                                28,531
Exercise of share options                  39,360         2           726                -           -          -            728
Shares issued                               3,696         -            77                -           -          -             77
Share issue costs                               -         -          (35)                -           -          -           (35)
Tax benefit on exercise of options
                                                -         -            48                -           -          -             48
------------------------------------ ------------- --------- ------------- ---------------- ----------- ---------- --------------
Balance at May 31, 2003                11,841,557      $841       $61,164           $7,787     $67,071        $47       $136,910
------------------------------------ ------------- --------- ------------- ---------------- ----------- ---------- --------------

Comprehensive Income:
Net income                                      -         -             -                -      25,742          -         25,742
Currency translation adjustment                 -         -             -            2,197           -          -          2,197
                                                                                                                   --------------
                                                                                                                   --------------
Total comprehensive income                                                                                                27,939
Exercise of share options                 496,919        35         5,323                -           -          -          5,358
Shares issued                           1,500,000       104        45,601                -           -          -         45,705
Share issue costs                               -         -       (1,428)                -           -          -        (1,428)
Tax benefit on exercise of options
                                                -         -         2,276                -           -          -          2,276
------------------------------------ ------------- --------- ------------- ---------------- ----------- ---------- --------------
Balance at May 31, 2004                13,838,476      $980      $112,936           $9,984     $92,813        $47       $216,760
------------------------------------ ------------- --------- ------------- ---------------- ----------- ---------- --------------

Comprehensive Income:
Net income                                      -         -             -                -      13,545          -         13,545
Currency translation adjustment                 -         -             -            1,245           -          -          1,245
                                                                                                                   --------------
                                                                                                                   --------------
Total comprehensive income                                                                                      -         14,790
Exercise of share options                  60,620         5         1,402                -           -          -          1,407
Share issue costs                               -         -          (60)                -           -          -           (60)
Tax benefit on exercise of options
                                                -         -           169                -           -          -            169
------------------------------------ ------------- --------- ------------- ---------------- ----------- ---------- --------------
Balance at May 31, 2005                13,899,096      $985      $114,447          $11,229    $106,358        $47       $233,066
------------------------------------ ------------- --------- ------------- ---------------- ----------- ---------- --------------

</TABLE>

The accompanying notes are an integral part of these consolidated financial
statements.


                                       48
<PAGE>


<TABLE>
<CAPTION>

                                    ICON plc
                      CONSOLIDATED STATEMENTS OF CASH FLOWS
                                                                                      Year Ended May 31,
                                                                             2003             2004             2005
                                                                                       (in thousands)
Cash flows from operating activities:
<S>                                                                       <C>              <C>              <C>
Net income                                                                $18,283          $25,742          $13,545
Adjustments to reconcile net income to net cash
provided by operating activities:
    Loss on disposal of property, plant and equipment                           -              222               66
    Depreciation and amortization                                           7,305           11,171           13,331
    Amortization of grants                                                   (36)            (569)            (199)
    Deferred taxes                                                            376              985            (532)
    Minority interest                                                           -                -              189
    Other Charges                                                               -                -           11,275
Changes in assets and liabilities:
    (Increase)/decrease in accounts receivable                           (23,232)            4,089          (4,930)
    (Increase)/decrease in unbilled revenue                              (14,480)         (15,329)            3,071
    Decrease in other receivables                                           7,515            4,307            1,383
    Increase in prepayments and other current assets                      (1,965)            (778)            (994)
    Increase/ (decrease) in payments on account                            25,485           14,228          (9,515)
    Decrease in other liabilities                                         (1,787)          (1,654)            (446)
    Increase in income taxes payable                                          253            2,237            1,420
    Increase/(decrease) in accounts payable                                 3,768          (1,009)          (2,455)
------------------------------------------------------------------ --------------- ---------------- ----------------

Net cash provided by operating activities                                  21,485           43,642           25,209
Cash flows from investing activities:
    Purchase of property, plant and equipment                            (15,788)         (13,097)         (15,595)
    Purchase of intangible asset                                                -                -            (250)
    Purchase of subsidiary undertakings and acquisition costs            (36,873)         (11,258)         (10,052)
    Cash acquired with subsidiary undertakings                              1,910              891            1,658
    Deferred payments in respect of historical acquisitions               (3,078)          (1,733)          (2,514)
    Sale of short term investments                                         18,551                -           12,022
    Purchase of short term investments                                          -         (23,085)         (10,971)
    Receipt of government grant                                                 -              945                -
------------------------------------------------------------------ --------------- ---------------- ----------------

Net cash used in investing activities                                    (35,278)         (47,337)         (25,702)
Cash flows from financing activities:
    Repayment of bank overdraft                                           (5,319)          (7,126)                -
    Proceeds from exercise of share options                                   693            5,358            1,407
    Proceeds from the issuance of share capital                                 -           45,705                -
    Share Issuance Costs                                                        -          (1,182)            (197)
    Repayment of other liabilities                                              -            (230)            (272)
------------------------------------------------------------------ --------------- ---------------- ----------------

Net cash (used in) /provided by financing activities                      (4,626)           42,525              938
Effect of exchange rate movements on cash                                     439          (1,463)              218
------------------------------------------------------------------ --------------- ---------------- ----------------

Net (decrease) /increase in cash and cash equivalents                    (17,980)           37,367              663
Cash and cash equivalents at beginning of year                             36,291           18,311           55,678
------------------------------------------------------------------ --------------- ---------------- ----------------

Cash and cash equivalents at end of year                                  $18,311          $55,678          $56,341
------------------------------------------------------------------ --------------- ---------------- ----------------

</TABLE>

The accompanying notes are an integral part of these consolidated financial
statements.



                                       49
<PAGE>

                                    ICON plc
                 NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS


1. Description of business

ICON plc and subsidiaries ("The Company") is a Contract Research Organization
("CRO") providing clinical research and development services on a global basis
to the pharmaceutical, biotechnology and medical device industries. The Company
specializes in the management, execution and analysis of complex, multinational
clinical trials in most major therapeutic areas. The Company believes that it is
one of a select group of CROs with the capability and expertise to conduct
clinical trials on a global basis. As of May 31, 2005, the Company had
approximately 2,700 employees and operations in 37 locations in 23 countries,
including the United States and major markets in Europe and Rest of World and
has managed clinical trials in over 55 countries. For the fiscal year ended May
31, 2005, we derived approximately 57.2%, 37.2% and 5.6% of our net revenue in
the United States, Europe and Rest of World, respectively.

2. Significant Accounting Policies

The accounting policies noted below were applied in the preparation of the
accompanying financial statements of the Company and are in conformity with
accounting principles generally accepted in the United States.

(a) Basis of consolidation

The consolidated financial statements include the financial statements of ICON
plc and all of its subsidiaries. All significant intercompany profits,
transactions and account balances have been eliminated. The results of
subsidiary undertakings acquired in the year are included in the consolidated
statement of operations from the date of acquisition.

(b) Use of estimates

The preparation of financial statements in conformity with generally accepted
accounting principles in the United States requires management to make estimates
and assumptions that affect the reported amounts of assets and liabilities and
disclosure of contingent assets and liabilities at the date of the financial
statements and the reported amounts of revenues and expenses during the reported
period. Actual results could differ from those estimates.

(c) Revenue recognition

The Company primarily earns revenues by providing a number of different services
to its customers. These services include clinical trials management, biometric
activities, consulting and laboratory services. Contracts range in duration from
a number of months to several years.

Clinical trials management revenue is earned on the basis of the relationship
between time incurred and the total estimated duration of the trial. Biometrics
revenue is recognized on a fee-for-service method on the basis of the number of
units completed in a period as a percentage of the total number of contracted
units. Consulting revenue is recognized on a fee-for-service basis as the
related service is performed. Laboratory service revenue is recognized on a
fee-for-service basis. The Company accounts for laboratory service contracts as
multiple element arrangements, with contractual elements comprising laboratory
kits and laboratory testing, each of which can be sold separately. Fair values
for contractual elements are determined by reference to objective and reliable
evidence of their fair values. Non-refundable set-up fees are allocated as
additional consideration to the contractual elements based on the proportionate
fair values of each of these elements. Revenues for contractual elements are
recognized on the basis of the number of deliverable units completed in the
period.

Contracts generally contain provisions for renegotiation in the event of changes
in the scope, nature, duration, volume of services or conditions of the
contract. Renegotiated amounts are recognized as revenue by revision to the
total contract value arising as a result of an authorized customer change order.
Provisions for losses to be incurred on contracts are recognized in full in the
period in which it is determined that a loss will result from performance of the
contractual arrangement.



                                       50
<PAGE>

The difference between the amount of revenue recognized and the amount billed on
a particular contract is included in the balance sheet as unbilled revenue.
Normally, amounts become billable upon the achievement of certain milestones, in
accordance with pre-agreed payment schedules included in the contract or on
submission of appropriate billing detail. Such cash payments are not
representative of revenue earned on the contract as revenues are recognized over
the period in which the specified contractual obligations are fulfilled. Amounts
included in unbilled revenue are expected to be collected within one year and
are included within current assets. Advance billings to customers, for which
revenue has not been recognized, are recognized as payments on account within
current liabilities.

In the event of contract termination, if the value of work performed and
recognized as revenue is greater than aggregate milestone billings at the date
of termination, cancellation clauses ensure that the Company is paid for all
work performed to the termination date.

(d) Subcontractor costs

Subcontractor costs comprise investigator payments and certain other costs which
are reimbursed by clients under terms specific to each contract and are deducted
from gross revenue in arriving at net revenue. Investigator payments are accrued
based on patient enrollment over the life of the contract. Investigator payments
are made based on predetermined contractual arrangements, which may differ from
the accrual of the expense. Payments to investigators in excess of the accrued
expense are classified as prepaid expenses and accrued expense in excess of
amounts paid are classified as accounts payable.

(e) Direct costs

Direct costs consist of compensation and associated employee benefits for
project-related employees and other direct project-related costs.

(f) Advertising costs

All costs associated with advertising and promotion are expensed as incurred.
The advertising and promotion expense was U.S.$1,336,000, U.S.$1,596,000 and
U.S.$2,401,000 for the years ended May 31, 2003, 2004 and 2005 respectively.

(g) Foreign currencies and translation of subsidiaries

The Company's financial statements are prepared in United States dollars.
Transactions in currencies other than United States dollars are recorded at the
rate ruling at the date of the transactions. Monetary assets and liabilities
denominated in currencies other than United States dollars are translated into
United States dollars at exchange rates prevailing at the balance sheet date.
Adjustments resulting from these translations are charged or credited to income
and where material are separately disclosed. For the years ended May 31, 2003,
2004 and 2005 amounts charged/(credited) to income amounted to U.S.$1,968,000,
(U.S.$2,445,000) and U.S.$433,000 respectively.

The financial statements of subsidiaries with other functional currencies are
translated at year end rates for the balance sheet and average rates for the
income statement. Translation gains and losses arising are reported as a
movement on accumulated other comprehensive income.

During the year, the Company entered into foreign exchange currency contracts to
manage its exposure against currency fluctuations on anticipated Euro
denominated cashflows. Currency gains and losses arising in the year under these
arrangements were recorded in the statement of operations.

(h) Disclosure about fair value of financial instruments

The following methods and assumptions were used to estimate the fair value of
each material class of financial instrument:

Cash, cash equivalents, unbilled revenue, other receivables, short term
investments, prepayments and other current assets, accounts receivable, accounts
payable, investigator payments, payments received on account, accrued


                                       51
<PAGE>

liabilities, accrued bonuses, bank overdraft and taxes payable have carrying
amounts that approximate fair value due to the short term maturities of these
instruments.

Long-term debt and other liabilities carrying amounts approximate fair value
based on net present value of estimated future cash flows.

(i) Leased Assets

Costs in respect of operating leases are charged to the statement of operations
on a straight line basis over the lease term.

Assets acquired under capital finance leases are included in the balance sheet
at the present value of the future minimum lease payments and are depreciated
over the shorter of the lease term and their remaining useful lives. The
corresponding liabilities are recorded in the balance sheet and the interest
element of the capital lease rental is charged to interest expense.

(j) Goodwill

Goodwill represents the excess of the cost of acquired entities over the net of
amounts assigned to assets acquired and liabilities assumed. Goodwill is stated
net of any provision for impairment. The Company tests goodwill annually for any
impairments. The first step is to compare the carrying amount of the reporting
units' assets to the fair value of the reporting unit. If the carrying amount
exceeds the fair value then a second step is completed which involves the fair
value of the reporting unit being allocated to each asset and liability with the
excess being implied goodwill. The impairment loss is the amount by which the
recorded goodwill exceeds the implied goodwill. The Company's annual test for
impairment performed for 2005 identified an impairment charge to be taken
against the central laboratory segment. For further information, refer to Note
14 to the Consolidated Financial Statements.

(k) Other intangible assets

Other intangible assets are amortized on a straight line basis over their
estimated useful life.

(l) Cash and cash equivalents

Cash and cash equivalents include cash and highly liquid investments with
initial maturities of three months or less and is stated at cost, which
approximates market value.

(m) Short term investments - available for sale

The Company has classified short-term investments as available for sale in
accordance with the terms of SFAS No.115 "Accounting for Certain Investments in
Debt and Equity Securities". Realized gains and losses are determined using
specific identification. The investments are reported at fair value, with
unrealized gains or losses reported in a separate component of shareholders'
equity. Any differences between the cost and fair value of the investments are
represented by accrued interest.

(n) Inventory

Inventory is valued at the lower of cost and net market value and after
provisions for obsolescence. Cost in the case of raw materials comprises the
purchase price and attributable costs, less trade discounts. Cost in the case of
work in progress and finished goods, comprises fixed labor, raw materials costs
and attributable overheads.




                                       52
<PAGE>

(o) Property, plant and equipment

Property, plant and equipment are stated at cost less accumulated depreciation.
Depreciation of property, plant and equipment is computed using the straight
line method based on the estimated useful lives of the assets as listed below:



                                                       Years
                                                       -----

         Building                                       40
         Computer equipment and software                 4
         Office furniture and fixtures                   8
         Laboratory equipment                            5
         Motor vehicles                                  5

Leasehold improvements are amortized using the straight-line method over the
estimated useful life of the asset or the lease term, whichever is shorter.

(p) Income taxes

The Company applies Statement of Financial Accounting Standard ("SFAS") No. 109,
"Accounting for Income Taxes," which requires the asset and liability method of
accounting for income taxes. Under the asset and liability method of SFAS No.
109, deferred tax assets and liabilities are recognized for the future tax
consequences attributable to differences between the financial statement
carrying amounts of existing assets and liabilities and their respective tax
bases and operating loss and tax credit carryforwards. Deferred tax assets and
liabilities are measured using enacted tax rates expected to apply to taxable
income in the years in which these temporary differences are expected to be
recovered or settled. The effect on deferred tax assets and liabilities of a
change in tax rates is recognised in income in the period that includes the
enactment date.

(q) Government grants

Government grants received relating to capital expenditure are shown as deferred
income and credited to income on a basis consistent with the depreciation policy
of the relevant assets.

Grants relating to categories of operating expenditures are credited to income
in the period in which the expenditure to which they relate is charged.

Under the grant agreements amounts received may become repayable in full should
certain circumstances specified within the grant agreements occur, including
downsizing by the Company, disposing of the related assets, ceasing to carry on
its business or the appointment of a receiver over any of its assets.

The Company has not recognized any loss contingency having assessed as remote
the likelihood of these events arising.

(r) Pension costs

The Company contributes to defined contribution plans covering all eligible
employees. The Company contributes to these plans based upon various fixed
percentages of employee compensation and such contributions are expensed as
incurred.

The Company operates, through a subsidiary, a defined benefit plan for certain
of its United Kingdom employees. The Company accounts for the costs of this plan
using actuarial models required by SFAS No.87, "Employers Accounting for
Pensions". Disclosures are presented in accordance with the requirements of SFAS
No.132(R), "Employers' Disclosures about Pensions and Other Post-retirement
Benefits".


                                       53
<PAGE>


(s) Net income per ordinary share

Basic net income per ordinary share has been computed by dividing net income
available to ordinary shareholders by the weighted average number of ordinary
shares outstanding during the period. Diluted net income per ordinary share is
computed by adjusting the weighted average number of ordinary shares outstanding
during the period for all potentially dilutive ordinary shares outstanding
during the period and adjusting net income for any changes in income or loss
that would result from the conversion of such potential ordinary shares.

There is no difference in net income used for basic and diluted net income per
ordinary share. The reconciliation of the number of shares used in the
computation of basic and diluted net income per ordinary share is as follows:


<TABLE>
<CAPTION>

                                                                                       Year Ended May 31,
                                                                                 2003            2004             2005
<S>                                                                        <C>             <C>              <C>
            Weighted average number of ordinary shares
           outstanding for basic net income per ordinary share             11,813,788      13,267,531       13,860,203
            Effect of dilutive share options outstanding                      367,306         435,632          293,242
        --------------------------------------------------------------- -------------- --------------- ----------------
            Weighted average number of ordinary shares for
            diluted net income per ordinary share                          12,181,094      13,703,163       14,153,445
        --------------------------------------------------------------- -------------- --------------- ----------------

</TABLE>


(t) Stock-based compensation

The Company accounts for its share options in accordance with the provisions of
SFAS No. 123, "Accounting for Stock-Based Compensation". SFAS No. 123 allows
entities to continue to apply the provisions of Accounting Principles Board
("APB") Opinion No. 25, "Accounting for Stock Issued to Employees", and provide
pro forma net income and pro forma earnings per share disclosures for employee
stock option grants as if the fair-value-based method defined in SFAS No. 123
had been applied. APB No. 25 permits entities to recognize as expense, over the
vesting period, the intrinsic value of all stock- based awards determined on the
measurement date. The Company has elected to apply the provisions of APB Opinion
No. 25 and provide the pro forma disclosure provisions of SFAS No. 123.

The following table illustrates the effect on net income and earnings per share
as if the fair value method of SFAS No. 123 had been applied to all outstanding
and unvested stock options in each period.

<TABLE>
<CAPTION>

                                                                                       Year Ended May 31,
                                                                                 2003            2004             2005
                                                                                        (in thousands)
                                                                                   (except per share data)
<S>                                                                           <C>             <C>              <C>
        Net income, as reported                                               $18,283         $25,742          $13,545
        Deduct:  Total  stock-based   employee   compensation  expense
        determined  under fair value based method for all awards,  net
        of related tax effects                                                (2,096)         (2,358)          (2,729)
        --------------------------------------------------------------- -------------- --------------- ----------------
        Pro forma net income                                                  $16,187         $23,384          $10,816
        --------------------------------------------------------------- -------------- --------------- ----------------
        Earnings per share (in $):
        Basic - as reported                                                     $1.55           $1.94            $0.98
        Basic - pro forma                                                        1.37            1.76             0.78
        Diluted - as reported                                                   $1.50           $1.88            $0.96
        Diluted - pro forma                                                      1.33            1.71             0.76
        --------------------------------------------------------------- -------------- --------------- ----------------

</TABLE>


                                       54
<PAGE>


(u) Impairment of long-lived assets

Long lived assets are reviewed for impairment whenever events or changes in
circumstances indicate that the carrying amount of an asset may not be
recoverable. Recoverability of assets to be held and used is measured by a
comparison of the carrying amount of an asset to future undiscounted net cash
flows expected to be generated by the asset. If such assets are considered to be
impaired, the impairment to be recognized is measured by the amount by which the
carrying amount of the assets exceeds the fair value of the assets. Assets to be
disposed of are reported at the lower of the carrying amount or fair value less
selling costs.

3. Short term investments - available for sale

The Company has classified its entire investment portfolio comprising floating
rate and medium term minimum "A" rated corporate securities, as available for
sale. The investments are reported at fair value, with unrealized gains or
losses reported in a separate component of shareholders' equity. In the years to
May 31, 2003, 2004 and 2005 no unrealized gains or losses arose. Any differences
between the cost and fair value of the investments are represented by accrued
interest.


4. Goodwill

                                                      Year Ended May 31,
                                                           2004           2005
                                                        (in thousands)
Opening Goodwill                                        $45,029        $64,226
Arising during the year                                  13,134          8,463
Arising on earn-out (prior year acquisitions)             3,215          1,856
Goodwill impairment (Note 14)                                 -        (7,017)
Foreign exchange movement                                 2,848           (88)
-------------------------------------------------------------------------------

Closing Goodwill                                        $64,226        $67,440
-------------------------------------------------------------------------------


The distribution of goodwill by business segment was as follows:

                                                      Year Ended May 31,
                                                          2004            2005
                                                        (in thousands)
Central laboratory                                     $ 7,017              $-
Clinical research                                       57,209          67,440
--------------------------------------------------------------- ---------------

Total                                                  $64,226         $67,440
--------------------------------------------------------------- ---------------

(a) Acquisition of Medeval Group Ltd

On January 24, 2003, the Company acquired 100% of the outstanding shares of
Medeval Group Limited ("Medeval"), a company based in Manchester, England, for
an initial cash consideration of Stg(pound)9.5 million (U.S.$15.5 million),
excluding costs of acquisition which amounted to U.S.$1.0 million. Earn-out
provisions have been built into the acquisition contract requiring the potential
payment of additional deferred consideration up to a maximum of Stg(pound)4.3
million (U.S.$6.9 million) depending on the performance of Medeval over the
period to May 31, 2004. Such additional consideration has been accounted for as
goodwill.

On May 31, 2003, an amount of Stg(pound)1.4 million (U.S.$2.0 million) was
accrued in relation to the Medeval acquisition, as the first earn-out target
identified in the acquisition contract was reached on this date. It was provided
in the applicable acquisition agreement that the form of the earn-out would
consist of cash payable to one specific named selling shareholder, with the
balance due to the other selling shareholders being in the form of guaranteed
loan notes. These guaranteed loan notes



                                       55
<PAGE>

have a repayment date of three years from the date of issue but are exercisable
six months from that date. On September 30, 2003, Stg(pound)0.472 million
(U.S.$0.8 million) was paid in cash to a specific named selling shareholder. On
the same date, Stg(pound)0.753 million (U.S.$1.403 million) of guaranteed loan
notes were issued to the remaining selling shareholders and were included in
other liabilities. The guaranteed loan note holders issued redemption notices to
the Company, which required the Company to redeem all the guaranteed loan notes
on June 30, 2004, in consideration for a cash payment of Stg(pound)0.753 million
(U.S.$1.380 million), the total amount of which was accrued at May 31, 2004.

On September 30, 2004, cash consideration of Stg(pound)0.54 million (U.S.$0.97
million) was paid to a number of the former shareholders of Medeval and
guaranteed loan notes with a value of Stg(pound)1.08 million (U.S.$1.93 million)
were issued to the remaining selling shareholders. At May 31, 2004,
Stg(pound)1.37 million (U.S.$2.5 million) of this amount had been provided,
therefore an additional Stg(pound)0.253 million (U.S.$0.452 million) has been
accounted for under goodwill in the current year. These guaranteed loan notes
have a repayment date of three years from the date of issue but are exercisable
nine months from the date of issue. The guaranteed loan note holders issued
redemption notices to the Company, which required the Company to redeem all the
guaranteed loan notes on June 30, 2005, in consideration of a cash payment of
Stg(pound)1.08 million (U.S.$1.93 million), the total amount of which was
accrued for at May 31, 2005.

The acquisition of Medeval has been accounted for as a purchase in accordance
with SFAS No. 141, "Business Combinations". The following table summarises the
fair values of the assets acquired and the liabilities assumed at the date of
acquisition.

                                                         At May 31,
                                                         ----------
                                                               2005
                                                               ----
                                                     (in thousands)
       Property, plant and equipment                         $1,632
       Goodwill                                              22,824
       Current assets                                         2,738
       Pension liabilities                                  (2,588)
       Other current liabilities                            (3,113)
       -------------------------------------------------------------
       Purchase Price                                       $21,493
       -------------------------------------------------------------


The results of Medeval have been included in the consolidated financial
statements from January 24, 2003.

(b) Acquisition of GloboMax LLC

On September 9, 2003, the Company acquired 100% of the outstanding shares of
Globomax LLC, based in Maryland, USA, for an initial cash consideration of
U.S.$10.9 million, excluding costs of acquisition. Earn-out provisions have been
built into the acquisition contract requiring the potential payment of
additional deferred consideration up to a maximum of U.S.$4.0 million depending
on the performance of Globomax over the period from date of acquisition to May
31, 2006. Such potential additional consideration will be accounted for as
goodwill. The total amount of goodwill is expected to be tax deductible.

On May 31, 2005, an amount of U.S.$1.4 million was accrued as the first earn-out
target in the acquisition contract was reached on this date.

The acquisition of Globomax has been accounted for as a purchase in accordance
with SFAS No. 141, "Business Combinations". The following table summarises the
fair values of the assets acquired and the liabilities assumed at the date of
acquisition.

                                                              At May 31,
                                                              ----------
                                                                    2005
                                                                    ----
                                                          (in thousands)
       Property, Plant and Equipment                                 352
       Goodwill                                                   14,538
       Cash                                                          891
       Other Current Assets                                        2,487
       Current liabilities                                       (5,539)
       ------------------------------------------------------------------
       Purchase Price                                            $12,729
       ------------------------------------------------------------------


                                       56
<PAGE>

The results of Globomax have been included in the consolidated financial
statements from September 9, 2003.

(c) Acquisition of Beacon Biosciences, Inc

On July 1, 2004, the Company acquired 70% of the outstanding shares of Beacon
Biosciences, inc. ("Beacon"), based in Pennsylvania, USA, for an initial cash
consideration of U.S.$9.9 million, excluding costs of acquisition.

The following table summarises the fair values of the assets acquired and the
liabilities assumed at the date of acquisition.

                                                                At July 1,
                                                                ----------
                                                                      2004
                                                                      ----
                                                            (in thousands)
       Property, Plant and Equipment                                  $792
       Goodwill                                                      8,463
       Cash                                                          1,658
       Other Current Assets                                            935
       Current liabilities                                           (718)
       Long term liabilities                                         (352)
                                                      ---------------------
                                                                    10,778
       Minority Interest                                             (695)
       ---------------------------------------------- ---------------------
       Purchase Price                                              $10,083
       ---------------------------------------------- ---------------------


The results of Beacon have been included in the consolidated financial
statements from July 1, 2004.

The proforma effect of the Globomax and Beacon acquisitions if completed on June
1, 2003 would have resulted in net revenue, net income and earnings per share
for the fiscal years ended May 31, 2004 and 2005 as follows:

                                                   Year Ended May 31,
                                                       2004                 2005
                                                       ----                 ----
                                        (in thousands, except per share data)
       Net Revenue                                 $304,595             $327,040
       Net Income                                    26,121               13,498
       Basic Earnings per Share                       $1.97                $0.97
       Diluted Earnings Per Share                      1.91                 0.95



5. Intangible Assets

On December 1, 2004, the Company acquired the workforce of Biomines Research
Solutions Private Limited, ("Biomines"), based in Chennai, India, for a cash
consideration of U.S.$250,000.

                                                       At December 1,
                                                       --------------
                                                                 2004
                                                                 ----
                                                       (in thousands)

       Acquired workforce - intangible asset                     $250
       ---------------------------------------------------------------
       Purchase Price                                            $250
       ---------------------------------------------------------------




                                       57
<PAGE>

The cost of the acquired workforce is being amortized over 24 months in line
with the life of the non-compete service contracts of the acquired employees.
U.S.$62,000 has been amortized in the period since the date of acquisition.


                                                          At May 31,
                                                          ----------
                                                                2005
                                                                ----
                                                      (in thousands)

       Cost                                                     $250
       Accumulated amortization                                 (62)
       --------------------------------------------------------------
       Net book value                                           $188
       --------------------------------------------------------------


6. Property, Plant and Equipment, net

<TABLE>
<CAPTION>

                                                                                              May 31,
                                                                                      2004                 2005
                                                                                            (in thousands)
Cost
<S>                                                                                   <C>                  <C>
Land..............................................................                    $748                 $780
Building..........................................................                   9,502               11,358
Computer equipment and software...................................                  42,469               51,867
Office furniture and fixtures.....................................                  17,071               20,031
Laboratory equipment..............................................                   5,009                5,538
Leasehold improvements............................................                   6,116                5,684
Motor vehicles....................................................                      37                   39
----------------------------------------------------------------------------------------------------------------

                                                                                    80,952               95,297
Less accumulated depreciation and asset write off.................                (38,016)             (50,011)
----------------------------------------------------------------------------------------------------------------

Property, plant and equipment (net)...............................                 $42,936              $45,286
----------------------------------------------------------------------------------------------------------------

</TABLE>

Total cost above at May 31, 2005 includes U.S.$725,643 (2004: U.S.$1,580,127),
which relates to assets held under capital finance leases. Related accumulated
depreciation amounted to U.S.$305,867 (2004: U.S.$252,039).


7. Other Liabilities

<TABLE>
<CAPTION>

                                                                                                  May 31,

                                                                                       2004                 2005
                                                                                              (in thousands)

<S>                                                                                 <C>                  <C>
Accrued liabilities...............................................                  $18,483              $23,183
Accrued bonuses...................................................                    8,828                7,331
Accrued social welfare costs......................................                    1,899                2,016
Contingent purchase consideration payable.........................                    2,506                3,374
Short term government grants......................................                      195                  199
Accrued pension liability ........................................                    2,927                3,585
Short term finance leases (note 16)...............................                      253                  202
-----------------------------------------------------------------------------------------------------------------
                                                                                    $35,091              $39,890
-----------------------------------------------------------------------------------------------------------------

</TABLE>


                                       58
<PAGE>


8. Bank Loans

The Company has short-term bank loan facilities as follows:

On July 3, 2003, ICON entered into a facility agreement (the "Facility
Agreement") for the provision of a term loan facility of U.S.$40 million,
multi-currency overdraft facility of $5 million and revolving credit facility of
$15 million (the "Facilities") with The Governor and Company of the Bank of
Ireland and Ulster Bank Ireland Limited (the "Banks"). The obligations of the
borrowers under the Facilities are secured by certain composite guarantees and
indemnities and pledges in favour of each of the banks. This facility bears
interest at an annual rate equal to the Banks' Prime Rate plus three quarters of
one percent. As at May 31, 2005, the full amount of these facilities were
available to be drawn down. ICON Clinical Research, Inc. (a subsidiary of ICON
plc) is entitled to make borrowings under a revolving credit facility of $15
million. As at May 31, 2005, the full amount of this facility was available to
be drawn down.

The Company entered into an overdraft agreement with Allied Irish Banks, plc
("AIB") whereby the company guarantees any overdraft of the subsidiary ICON
Clinical Research GmbH up to an amount (euro)120,000 (U.S.$150,960). As of May
31, 2005, the full facility was available to be drawn down.

The Company also entered into an overdraft agreement with AIB, whereby the
company guaranteed any overdraft of the subsidiary ICON Clinical Research Israel
Ltd. up to an amount of U.S.$250,000. This facility was terminated on April 20,
2004.

9. Employee Benefits

Certain Company employees are eligible to participate in a defined contribution
plan (the "Plan"). Participants in the Plan may elect to defer a portion of
their pre-tax earnings into a pension plan, which is run by an independent
party. The Company matches each participant's contributions up to 6% of the
participant's annual compensation. Contributions to this plan are recorded, as
expense in the Consolidated Statement of Operations. Contributions for the years
ended May 31, 2003, 2004 and 2005 were U.S.$1,649,793, and U.S.$2,297,928, and
U.S.$3,443,374 respectively.

The Company's United States operations maintain a retirement plan (the "U.S.
Plan") that qualifies as a deferred salary arrangement under Section 401(k) of
the Internal Revenue Code. Participants in the U.S. Plan may elect to defer a
portion of their pre-tax earnings, up to the Internal Revenue Service annual
contribution limit. The Company matches 50% of each participant's contributions,
each participant can contribute up to 6% of their annual compensation.
Contributions to this U.S. Plan are recorded, in the year contributed, as an
expense in the Consolidated Statement of Operations. Contributions for the years
ended May 31, 2003, 2004 and 2005 were U.S.$ 1,811,156, U.S.$2,389,757, and
U.S.$2,539,760 respectively.

One of the Company's subsidiaries which was acquired during the 2003 fiscal
year, Medeval Group Limited, operates a defined benefit pension plan in the
United Kingdom for its employees. The plan is managed externally and the related
pension costs and liabilities are assessed in accordance with the advice of a
professionally qualified actuary. Plan assets at May 31, 2004 and 2005 consist
of units held in independently administered funds. The pension costs of this
plan are presented in the following tables in accordance with the requirements
of SFAS No.132(R), "Employees' Disclosures about Pensions and Other
Post-retirement Benefits".



                                       59
<PAGE>


<TABLE>
<CAPTION>


Change in benefit obligation                              May 31,            May 31,
                                                             2004               2005
                                                               (in thousands)
<S>                                                        <C>                <C>
Benefit obligation at beginning of year                    $7,207             $9,056
Service cost                                                  714                832
Interest cost                                                 388                559
Plan participants' contributions                              267                256
Benefits paid                                                (62)              (117)
Actuarial (loss) /gain                                      (385)                819
Foreign currency exchange rate changes                        927               (82)

------------------------------------------------------------------ ------------------
Benefit obligation at end of year                          $9,056            $11,323
------------------------------------------------------------------ ------------------

Change in plan assets                                     May 31,            May 31,
                                                             2004               2005
                                                                (in thousands)
Fair value of plan assets at beginning of year             $4,378             $6,129
Actual return on plan assets                                  291                371
Employer contributions                                        657                765
Plan participants' contributions                              267                256
Benefits paid                                                (62)              (117)
Foreign currency exchange rate changes                        598               (50)

------------------------------------------------------------------ ------------------
Fair value of plan assets at end of year                   $6,129             $7,354
------------------------------------------------------------------ ------------------

Funded status                                             May 31,            May 31,
                                                             2004               2005
                                                               (in thousands)
Funded status                                            $(2,927)           $(3,969)
Unrecognized net loss                                       (110)                  -

------------------------------------------------------------------ ------------------
Pension liability                                        $(3,037)           $(3,969)
------------------------------------------------------------------ ------------------

                                                          May 31,            May 31,
Amounts recognized in the balance sheet consists of:         2004               2005
                                                         (in thousands)
Accrued benefit cost                                     $(3,037)           $(3,969)

------------------------------------------------------------------ ------------------
Net amount recognized                                    $(3,037)           $(3,969)
------------------------------------------------------------------ ------------------

</TABLE>


Information for pension plans with an accumulated benefit
obligation in excess of plan assets
                                                   May 31,            May 31,
                                                      2004               2005
                                                       (in thousands)
Projected benefit obligation                        $9,056            $11,323
Accumulated benefit obligation                       9,056             11,323
Fair value of assets                                 6,129              7,354




                                       60
<PAGE>




<TABLE>
<CAPTION>

The net periodic pension cost was comprised of the              May 31,            May 31,
following:                                                        2004               2005
                                                              (in thousands)
<S>                                                               <C>                <C>
Service cost                                                      $714               $832
Interest cost                                                      388                559
Expected return on plan assets                                   (329)              (429)

----------------------------------------------------------- ----------- ------------------
Net periodic pension cost                                          773                962

Amount of curtailment gain recognized                                -                  -
Amount of settlement gain recognized                                 -                  -
Cost of special or contractual termination benefits
recognized                                                           -                  -

----------------------------------------------------------- ----------- ------------------
Total pension cost                                                $773               $962

</TABLE>

<TABLE>
<CAPTION>

Amount included in other comprehensive loss arising from                                         May 31,              May 31,
a change in excess of additional minimum pension                                                   2004                  2005
liability over intangible asset:
                                                                                                (in thousands)
<S>                                                                                                 <C>                  <C>
Increase in additional minimum liability                                                            $257                 $-


Weighted average assumptions to determine benefit
obligation


                                                                                                 May 31,            May 31,
                                                                                                    2004               2005
Discount rate                                                                                       5.8%               5.4%
Rate of compensation increase                                                                       4.5%               4.1%
Expected rate of return on plan assets                                                              6.5%               6.5%

The assets of the scheme are invested in a unitized with profits policy. The
expected long-term rate of return on assets of 6.5% was calculated as the value
of the unitized with profits fund after application of a market value reduction
factor. The underlying asset split of the fund is shown below.

Asset Category                                                                                   May 31,            May 31,
                                                                                                    2004               2005

Equity                                                                                               29%                51%
Bonds                                                                                                50%                28%
Property                                                                                             18%                16%
Cash/ other                                                                                           3%                 5%

----------------------------------------------------------- ---------------------- ---------------------- ------------------
                                                                                                    100%               100%
----------------------------------------------------------- ---------------------- ---------------------- ------------------

</TABLE>

     The accumulated benefit obligation for all defined pension plans was $10.9
million at May 31, 2005 (2004: $9.1 million). With effect from July 1, 2003, the
scheme was closed to new entrants. The company expects to contribute $1.16
million to its pension fund in fiscal 2006.



                                       61
<PAGE>




     The following annual benefit payments, which reflect expected future
service, as appropriate, are expected to be paid.

Estimated Future benefit payments
                                           (in thousands)
2006                                                 $ 18
2007                                                   18
2008                                                   18
2009                                                   55
2010                                                   55
Years 2011 - 2015                                    $365

The expected cash flows are estimated figures based on the members expected to
retire over the next 10 years assuming no early retirements plus an additional
amount in respect of recent average withdrawal experience. At the present time
it is not clear whether annuities will be purchased when members reach
retirement or whether pensions will be paid each month out of the Scheme assets.
The above cash flows have been estimated on the assumption that pension will be
paid monthly out of the Scheme assets. If annuities are purchased, then the
expected benefit payments will be significantly different to those shown above.

Details of the Medeval Group Limited pension and life assurance scheme.

The assets of the Scheme are invested in the Norwich Union With-Profit Fund. The
aim of the With-Profits Fund is to provide good investment returns through
steady growth over the duration of the policy. Although market fluctuations of
investment return are evened through the declaration of bonuses, the investment
objective is to provide payments which reflects the actual investment returns
achieved by the Scheme over the long term.

Asset Allocation

Asset Category                                            December 31,
                                                                  2004

UK Equities                                                        24%
Overseas Equities                                                   6%
Property                                                           18%
UK Fixed Interest                                                  21%
Corporate Bonds                                                    24%
Overseas Bonds                                                      4%
Cash                                                                3%
-----------------------------------------------------------------------
Total                                                             100%
-----------------------------------------------------------------------


Bonuses paid under the Unitised With-Profits policy which is invested in the
Norwich Union With-Profit Fund consist of regular bonuses and final bonuses
which are explained below in further detail.

Regular Bonus

Premiums paid under the policy are used to buy units which increase in price
daily in line with the current Regular Bonus rate. The Regular Bonus rate is
normally declared at the end of each calendar year and remains in force until
the rate is amended.



                                       62
<PAGE>


Regular Bonuses have been declared at the following levels:

Date                                              Regular Bonus %
                                                        per annum

August 1, 2002                                                24%
December 31, 2002                                              6%
December 31, 2003                                             18%
December 31, 2004                                             21%


Final Bonus

The purpose of the Final Bonus is to enable the investment return provided by
the policy to reflect more closely what has actually been earned over its
lifetime. Final Bonus is added when units are cashed and is taken into account
in calculating the market value of the policy. The last units purchased are the
first units cashed. The amount of Final Bonus depends on the year units were
purchased. A scale of bonus rates is normally declared at the end of each
calendar year and remains in force until further notice. The scale can be
altered during the year.

When units are cashed a Market Value Reduction ("MFR") scale may be applied
instead of a Final Bonus Scale. This reduction may be applied at any time except
when units are cashed to provide a member's normal retirement benefits or
because of a member's death before retirement.

A MVR is applied when the value of the units plus the Final Bonus is
significantly greater than the value of the underlying investments. It is
applied so that non-contracted encashments do not result in more than the fair
share of the fund being taken in times of poor performance in the stock market
and other asset types in which Norwich Union's With-Profits Fund is invested.

Year units purchased                  Final Bonus             Final Bonus
                                                          (including MVR)

2002                                           2%                      2%
2003                                           3%                      3%
2004                                           7%                      7%
2005                                           -%                      -%


Overall Rate of Return

At December 31, 2004, UK gilts were yielding around 4.6% per annum. This is
often referred to as the risk free rate of return as UK gilts have a negligible
risk of default and the income payments and capital on redemption are guaranteed
by the UK Government. Overseas bonds have been assumed to produce returns in
line with UK gilts.

A long term equity "risk-premium" of 3.5% per annum has been assumed. This being
the expected long term out-performance of equities over UK gilts. Property has
been assumed to provide a return in line with equities over the long term. A
outperformance of 1% per annum over the long term for corporate bonds over UK
gilts has been taken into account.



                                       63
<PAGE>

The expected long term rates of return on different asset classes over the long
term are as follows:

Asset Category                                 Expected long-term
                                                 return per annum

UK equities                                                  8.0%
Overseas equities                                            8.0%
Property                                                     8.0%
UK Gilts                                                     4.5%
Overseas bonds                                               4.5%
Corporate bonds                                              5.5%
Cash                                                         4.0%


Applying the above expected long term rates of return to the asset distribution
of the With-Profits Fund at December 31, 2004 gives rise to an expected overall
rate of return of scheme assets of around 6.5% per annum.



10. Share Options

On January 17, 2003, the Company adopted the Share Option Plan 2003 (the "2003
Plan") pursuant to which the Compensation Committee of the Board may grant
options to officers and other employees of the Company or its subsidiaries for
the purchase of ordinary shares. Each option will be either an incentive stock
option, or ISO, as described in Section 422 of the Code or an employee stock
option, or NSO, as described in Section 422 or 423 of the Code. Each grant of an
option under the 2003 Plan will be evidenced by a Stock Option Agreement between
the optionee and the Company. The exercise price will be specified in each Stock
Option Agreement, however option prices for an ISO will not be less than 100% of
the fair market value of an ordinary share on the date the option is granted.

An aggregate of 1.5 million ordinary shares have been reserved under the 2003
Plan; and, in no event will the number of ordinary shares that may be issued
pursuant to options awarded under the 2003 Plan exceed 10% of the outstanding
shares, as defined in the 2003 Plan, at the time of the grant. Further, the
maximum number of ordinary shares with respect to which options may be granted
under the 2003 Plan during any calendar year to any employee shall be 100,000
ordinary shares.

No options can be granted after January 17, 2013.



                                       64
<PAGE>



The following table summarizes the transactions for the Company's share option
plans for the three year period ended May 31, 2005:

<TABLE>
<CAPTION>

                                              Options Granted                                                      Weighted
                                                     Prior to           Options Granted          Number of          Average
                                                 Jan 15, 1998               Under Plans             Shares     Exercise Price
<S>                                                   <C>                       <C>              <C>                 <C>
       Outstanding at May 31, 2002                    292,030                   727,590          1,019,620           $15.85
       Granted                                              -                   283,445            283,445           $27.96
       Exercised                                            -                  (39,360)           (39,360)           $18.51
       Canceled                                             -                  (78,060)           (78,060)           $22.22
       ----------------------------------- ------------------- ------------------------- ------------------ ----------------
       Outstanding at May 31, 2003                    292,030                   893,615          1,185,645           $18.24
       ----------------------------------- ------------------- ------------------------- ------------------ ----------------
       Granted                                              -                   372,926            372,926           $35.53
       Exercised                                    (244,960)                 (251,959)          (496,919)           $10.78
       Canceled                                             -                  (68,080)           (68,080)           $26.51
       ----------------------------------- ------------------- ------------------------- ------------------ ----------------
       Outstanding at May 31, 2004                     47,070                   946,502            993,572           $27.90
       ----------------------------------- ------------------- ------------------------- ------------------ ----------------
       Granted                                              -                   427,730            427,730           $34.39
       Exercised                                            -                  (60,620)           (60,620)           $23.11
       Canceled                                             -                  (72,440)           (72,440)           $31.07
       ----------------------------------- ------------------- ------------------------- ------------------ ----------------
       Outstanding at May 31, 2005                     47,070                 1,241,172          1,288,242           $30.10
       ----------------------------------- ------------------- ------------------------- ------------------ ----------------

</TABLE>

None of the share option grants summarized in the above table resulted in
compensation expense in the current year, as the option grant price was equal to
or greater than the estimated fair value of ordinary shares on the measurement
date.

The following table summarizes information concerning outstanding and
exercisable share options as of May 31, 2005:

<TABLE>
<CAPTION>

                      Options Outstanding                                   Options Exercisable
                                              Weighted Average
               Range                                 Remaining     Weighted Average
            Exercise            Number of     Contractual Life       Exercise Price            Number of
               Price               Shares                                                         Shares       Exercise Price
<S>            <C>                 <C>                     <C>                <C>                 <C>                   <C>
               $0.07               47,070                  1.5                $0.07               47,070                $0.07
              $15.63                7,000                  3.0               $15.63                7,000               $15.63
              $17.00                1,600                  3.0               $17.00                1,600               $17.00
              $18.00               87,660                  2.0               $18.00               87,660               $18.00
              $21.25               55,260                  4.0               $21.25               34,960               $21.25
              $26.50                8,000                  4.5               $26.50                4,000               $26.50
              $27.39                1,000                  3.0               $27.39                1,000               $27.39
              $29.00              118,840                  4.6               $29.00               63,720               $29.00
              $28.00              207,296                  5.5               $28.00               74,459               $28.00
              $42.71                1,798                  6.4               $42.71                1,798               $42.71
              $35.50              329,388                  6.7               $35.50               74,446               $35.50
              $34.40              423,330                  7.7               $34.40               24,300               $34.40

  ------------------- -------------------- -------------------- -------------------- -------------------- --------------------

      $0.07 - $42.71            1,288,242                  6.0               $30.05              422,013               $23.89
  ------------------- -------------------- -------------------- -------------------- -------------------- --------------------

</TABLE>

Substantially all of the options granted at exercise prices from $21.25 to
$42.71 vest over a five year period from the date of grant. All other options
have fully vested as of May 31, 2005.



                                       65
<PAGE>

The weighted average fair value of stock options granted during fiscal 2003,
calculated using the Black-Scholes option pricing model, was $15.84 using the
following assumptions; expected dividend yield - 0%, risk free interest rate -
3.39%, expected volatility - 50% and expected life - 8 years.

The weighted average fair value of stock options granted during fiscal 2004,
calculated using the Black-Scholes option pricing model, was $24.58 using the
following assumptions; expected dividend yield - 0%, risk free interest rate -
4.87%, expected volatility - 50% and expected life - 8 years.

The weighted average fair value of stock options granted during fiscal 2005,
calculated using the Black-Scholes option pricing model, was $17.09 using the
following assumptions; expected dividend yield - 0%, risk free interest rate -
4.02%, expected volatility - 50% and expected life - 8 years.

On February 7, 2005, 120,000 share options, with an exercise price of $34.40,
were granted to certain key employees of the Company. These options will vest
between 2008 and 2013 subject to the Company's diluted earnings achieving $4.00
per share. If the Company does not achieve diluted earnings of $4.00 per share
before February 6, 2013, the option grant expires.

Had the Company determined compensation expense based on the fair value at the
grant date for these options under SFAS No.123, "Accounting for Stock-Based
Compensation", the Company's net income for fiscal 2003, 2004 and 2005 would
have been reduced to the pro-forma amounts indicated below.

<TABLE>
<CAPTION>

                                                                  2003                      2004                         2005
                                                                       (in thousands, except per share data)
<S>                                          <C>               <C>                       <C>                          <C>
Net Income                                   as reported       $18,283                   $25,742                      $13,545
                                               pro-forma        16,187                    23,384                       10,816

Net Income per ordinary share
Basic                                        as reported         $1.55                     $1.94                        $0.98
                                               pro-forma          1.37                      1.76                         0.78

Diluted                                      as reported         $1.50                     $1.88                        $0.96
                                               pro-forma          1.33                      1.71                         0.76

</TABLE>


11. Government Grants

<TABLE>
<CAPTION>

                                                                                              May 31,
                                                                                     2004                        2005
                                                                                            (in thousands)
<S>                                                                                <C>                         <C>
        Received and receivable                                                    $2,225                      $2,225
        Less accumulated amortization                                               (849)                     (1,048)
        Foreign exchange translation adjustment                                       230                         279
        --------------------------------------------------- ------------------------------ ---------------------------
                                                                                    1,606                       1,456
        Less current portion                                                        (195)                       (199)
        --------------------------------------------------- ------------------------------ ---------------------------
                                                                                   $1,411                      $1,257
        --------------------------------------------------- ------------------------------ ---------------------------

</TABLE>

Government grants amortized to the profit and loss account amounted to
U.S.$36,000, U.S.$569,000 and U.S.$199,000 for the years ended May 31, 2003,
2004 and 2005, respectively.

As of May 31, 2005 the Company had U.S.$1,351,000 in restricted retained
earnings, pursuant to the terms of the grant agreements.




                                       66
<PAGE>

12. Share Capital

Ordinary Shares
Holders of ordinary shares will be entitled to receive such dividends as may be
recommended by the board of directors of the Company and approved by the
shareholders and/or such interim dividends as the board of directors of the
Company may decide. On liquidation or a winding up of the Company, the par value
of the ordinary shares will be repaid out of the assets available for
distribution among the holders of the Company's ADSs and ordinary shares not
otherwise represented by ADRs. Holders of ordinary shares have no conversion or
redemption rights. On a show of hands, every holder of an ordinary share present
in person at a general meeting of shareholders, and every proxy, shall have one
vote, for each ordinary share held with no individual having more than one vote.

On November 22, 2000, the ordinary share capital of the Company was
redenominated from IR5p per share to (euro)0.06 per share. The renominalization
generated a capital conversion reserve fund of (euro)39,499 (U.S.$47,277) which
was recorded within additional paid in capital.

During the year to May 31, 2003, 39,360 options were exercised by employees at
an average exercise price of U.S.$18.51 per share for total proceeds of U.S.$0.7
million.

On August 8, 2003 the Company issued 1,500,000 ordinary shares in a public
offering at $30.47 (net of underwriting discount) per share. The proceeds of
this offering were U.S.$44.3 million (after deducting U.S.$1.4 million in
costs).

During the year to May 31, 2004, a further 496,919 options were exercised by
employees at an average exercise price of U.S.$10.78 per share for total
proceeds of U.S.$5.4 million.

During the year to May 31, 2005, a further 60,620 options were exercised by
employees at an average exercise price of U.S.$23.11 per share for total
proceeds of U.S.$1.4 million.


                                       67
<PAGE>



13. Income Taxes

The U.S. based and Irish-based subsidiaries file tax returns in the United
States and Ireland, respectively. The other foreign subsidiaries are taxed
separately under the laws of their respective countries.


The components of income before provision for income tax expense are as follows:

<TABLE>
<CAPTION>

                                                                               Year Ended May 31,
                                                                         2003              2004               2005
                                                                                     (in thousands)

<S>                                                                    <C>              <C>                <C>
       Ireland                                                         $6,556           $12,674            $13,795
       Other                                                           18,727            21,997              5,791
       --------------------------------------------------------- ------------- ----------------- ------------------

       Income before provision for income taxes                       $25,283           $34,671            $19,586
       --------------------------------------------------------- ------------- ----------------- ------------------

The components of total income tax expense are as follows:

                                                                               Year Ended May 31,
                                                                         2003              2004               2005
                                                                                     (in thousands)
       Provision for income taxes
       Current:
       Ireland                                                         $1,158            $1,365             $1,821
       United States                                                    4,334             3,339              1,872
       Other                                                            1,132             3,209              2,885
       --------------------------------------------------------- ------------- ----------------- ------------------

       Total current tax                                                6,624             7,913              6,578
       Deferred expenses/(benefit):
       Ireland                                                             31                 -              (128)
       United States                                                      345             1,016                 16
       Other                                                                -                 -              (614)
       --------------------------------------------------------- ------------- ----------------- ------------------

       Total deferred tax / (benefit)                                     376             1,016              (726)
       Provision for income taxes                                       7,000             8,929              5,852

       Shareholders'  equity for  compensation  expense for tax
       purposes in excess of amounts  recognized  for financial
       reporting purposes                                                (48)           (2,276)              (169)
       --------------------------------------------------------- ------------- ----------------- ------------------

       Total                                                           $6,952            $6,653             $5,683
       --------------------------------------------------------- ------------- ----------------- ------------------

</TABLE>




                                       68
<PAGE>



On January 1, 2001, Ireland's statutory income tax rate decreased from 24% to
20%, on January 1, 2002 from 20% to 16% and on January 1, 2003, from 16% to
12.5%. Certain activities carried out by the Irish company, principally data
processing services, are taxed at a reduced rate of 10%. The Company's
consolidated effective tax rate differed from the blended statutory rate as set
forth below;

<TABLE>
<CAPTION>

                                                                               Year Ended May 31,
                                                                         2003              2004               2005
                                                                                     (in thousands)
<S>                                                                     <C>               <C>              <C>
       Taxes at Irish statutory rate of 12.50% (12.50% in
       2004; 14.54% in 2003)                                           $3,676            $4,334             $2,448
       Foreign and other income taxed at higher/(reduced) rates         1,874             3,333            (1,068)
       United States state tax net of United States Federal
       benefit and other foreign taxes                                    556               403                767
       Movement in valuation allowance                                    374             1,445              2,473
       Current year under-provision in respect of foreign taxes             -             (547)                  -
       Reversal of prior year over-provision in respect of                  -             (444)            (1,319)
       foreign taxes
       Non deductible expenses                                             35               531              2,491
       Other                                                              485             (126)                 60
       --------------------------------------------------------- ------------- ----------------- ------------------

       Total provision for income taxes                                $7,000            $8,929             $5,852
       --------------------------------------------------------- ------------- ----------------- ------------------

</TABLE>

The tax effects of temporary differences that give rise to significant portions
of deferred tax assets and deferred tax liabilities are presented below:

<TABLE>
<CAPTION>

                                                                                                       Year Ended
                                                                                      May 31,
                                                                                          2004                2005
                                                                                                          (in
                                                                                    thousands)
       Deferred tax liabilities:
<S>                                                                                     <C>                 <C>
       Property, plant and equipment                                                    $2,180              $1,914
       Goodwill and related assets                                                       1,023               1,575
       Other                                                                                 -                 524
       --------------------------------------------------------- ------------------------------ -------------------

       Total deferred tax liabilities                                                    3,203               4,013

       Deferred tax assets:

       Net operating loss carryforwards                                                  3,880               5,891
       Property, plant and other equipment                                                   -                 853
       Accrued expenses and payments on account                                          1,565               4,354
       Deferred compensation expense                                                       166                 321
       Other                                                                                 -                 451
       --------------------------------------------------------- ------------------------------ -------------------

       Total deferred tax assets                                                         5,611              11,870
       Valuation allowance for deferred tax assets                                     (3,361)             (8,277)
       --------------------------------------------------------- ------------------------------ -------------------

       Deferred tax assets recognized                                                   $2,250              $3,593
       --------------------------------------------------------- ------------------------------ -------------------

       Net deferred tax asset / (liability)                                             $(953)              $(420)
       --------------------------------------------------------- ------------------------------ -------------------

</TABLE>


                                       69
<PAGE>

U.S.$956,000 of the deferred tax asset of U.S.$3,593,000 above is non-current.
This amount has been offset against the deferred tax liabilities of
U.S.$3,703,000 above (all of which are non-current) resulting in a net
non-current deferred tax liability of U.S.$2,747,000. The remaining $310,000 of
the deferred tax liability of (pound)4,013,000 is current.

At May 31, 2005, European subsidiaries had operating loss carryforwards for
income tax purposes that may be carried forward indefinitely, available to
offset against future taxable income, if any, of approximately U.S.$1.7 million

At May 31, 2005, a U.S. subsidiary had a net operating loss carryforwards for
U.S. Federal and State income tax purposes, available to offset against future
taxable income if any of approximately U.S.$10.8 million for U.S. Federal and
U.S.$12.4 million for State income tax, which expire between 2009 and 2025.

Of the U.S.$10.8 million U.S. Federal and U.S.$12.4 million State net operating
losses, approximately U.S.$9.0 million and U.S.$10.9 million respectively will
be available for offset against future taxable income, if any, of future
accounting periods. The subsidiary's ability to use the remaining net operating
loss carryforward of U.S.$1.8 million for Federal and U.S.$1.5 million for State
taxes is limited to U.S.$113,000 per year due to the subsidiary experiencing a
change of ownership in 2000, as defined by Section 382 of the Internal Revenue
Code of 1986, as amended.

A valuation allowance is provided when it is more likely than not that some
portion or all of the deferred tax assets will not be realized. The Company has
provided a valuation allowance for the years ended May 31, 2005, May 31, 2004
and 2003 of U.S.$8,277,000, U.S.$3,361,000 and U.S.$1,916,000 respectively. This
valuation allowance is based on management's belief that it is more likely than
not that the European and US entities' losses and other deferred tax assets will
not be utilized given their history of operating losses. The valuation allowance
was U.S.$1.6 million as of June 1, 2002 and increased by U.S.$298,000, U.S.$1.4
million and U.S.$4.9 million for the years ended May 31, 2003, 2004 and 2005
respectively. Subsequent recognized tax benefits relating to the valuation
allowance for deferred tax assets in the amount of U.S.$800,000 as of May 31,
2005 will be allocated to goodwill and other non-current intangible assets.


14. Other charges

The principal items classified as other charges include, asset impairments,
computer software write-off and lease termination and exit costs. These charges
were expensed to the statement of operations in fiscal 2005.

                                                (in thousands)
(A)   Goodwill impairment charge                        $7,017
(B)   Computer software write-off                        1,031
(C)   Lease termination and exit costs                   3,227
---------------------------------------------------------------
                                                       $11,275


(A) Goodwill impairment charge

Under SFAS No.142, goodwill and intangible assets with indefinite lives are no
longer amortized, but instead are tested for impairment at least annually. Given
the pattern of operating losses in recent years, slowdown in growth and future
outlook in our central laboratory reporting unit, management determined that the
carrying value of the reporting unit exceeded its fair value at February 28,
2005. After allocating the fair value of the reporting unit to all of the assets
and liabilities of that unit, management determined that the carrying value of
the central laboratory goodwill was impaired. The fair value of the central
laboratory segment was determined using discounted cash flows and net realizable
values. The central laboratory segment was formed by the combination of our
existing central laboratory operation in Dublin, Ireland and by the acquisition
in June 2000 of UCT (U.S.) Inc. ("UCT"), a central laboratory company based in
New York, USA.


                                       70
<PAGE>



(B) Computer software write-off

This charge represents the write off of the carrying value of computer software
costs, which did not provide a reasonable economic return.

(C) Lease termination and exit costs

This charge represents the lease termination and exit costs associated with the
close of a facility in Irvine, California and the termination of two redundant
leases in New York following the relocation of the central laboratory. Total
costs expected to be incurred in association with these lease termination and
exit costs have been accrued. Of the total $1.2 million relates to the central
laboratory segment and $2.1 million to the clinical research segment.


15. Significant Concentrations

The Company does business with most major international pharmaceutical companies
(see note 17). As at May 31, 2005 the balance for doubtful debts was $476,000
(2004: $355,000). During the year ended May 31, 2005 an additional reserve for
doubtful debts of $246,000 was created and $125,000 was released.


16. Commitments and Contingencies

The Company is not party to any litigation or other legal proceedings that the
Company believes could reasonably be expected to have a material adverse effect
on the Company's business, results of operations and financial condition.

The Company has several non-cancelable operating leases, primarily for
facilities, that expire over the next 10 years. These leases generally contain
renewal options and require the Company to pay all executory costs such as
maintenance and insurance. The Company paid U.S.$15,743,000, U.S.$22,179,000 and
U.S.$26,158,000 in rental expense for the fiscal years ended May 31, 2003, 2004
and 2005, respectively. Future minimum rental commitments for operating leases
with non-cancelable terms in excess of one year are as follows:

                                                   Minimum rental payments
                                                        (in thousands)
                       2006                                $23,177
                       2007                                 18,468
                       2008                                 15,269
                       2009                                 14,051
                       2010                                 13,848
                    Thereafter                             $58,470
                    ------------------------------------------------------------

The Company has a number of finance leases, primarily over furniture and
equipment, that expire over the next three years. Future commitments are as
follows:

                                                   Lease payments
                                                   (in thousands)
                   2006                                 $238
                   2007                                  153
                   2008                                  96
                   2009                                   6
                   Thereafter                             -
                   Less future finance charges          (43)
                   -------------------------------------------------------------

                   Total                                $450
                   -------------------------------------------------------------




                                       71
<PAGE>

The Company made a number of acquisitions in recent years with earn-out
provisions built into the purchase contracts, which may require cash payments of
U.S.$2,500,000 to be made during fiscal 2007.


17.  Business Segment Information

The Company operates predominantly in the contract clinical research industry
providing a broad range of clinical research and integrated product development
services on a global basis for the pharmaceutical and biotechnology industries.
The Company's also has a central laboratory segment primarily based in New York,
USA. This, together with laboratory services based in Dublin, form the central
laboratory segment information disclosed below.

The Company's areas of operation outside of Ireland principally include the
United Kingdom, United States, Germany, Australia, Argentina, France, Japan,
Israel, Singapore, Canada, Sweden, The Netherlands, Latvia, South Africa, India,
Hong Kong, Taiwan, Mexico, Brazil, Russia, Hungary and Spain. Segment
information for the fiscal years ended May 31, 2003, 2004 and 2005 is as
follows:


     a) The distribution of net revenue by geographical area was as follows:

<TABLE>
<CAPTION>

                                                                               Year Ended May 31,
                                                                         2003              2004               2005
                                                                                     (in thousands)
<S>                                                                   <C>               <C>                <C>
       Ireland*                                                       $26,293           $35,109            $37,242
       Rest of Europe                                                  34,727            65,930             84,140
       U.S.                                                           158,707           185,301            186,919
       Other                                                            5,998            10,583             18,357
       --------------------------------------------------------- ------------- ----------------- ------------------

       Total                                                         $225,725          $296,923           $326,658
       --------------------------------------------------------- ------------- ----------------- ------------------

</TABLE>

     * All sales shown for Ireland are export sales.


     b) The distribution of net revenue by business segment was as follows:

<TABLE>
<CAPTION>

                                                                               Year Ended May 31,
                                                                         2003              2004               2005
                                                                                     (in thousands)
<S>                                                                   <C>               <C>                <C>
       Central laboratory                                             $26,168           $26,905            $25,499
       Clinical research                                              199,557           270,018            301,159
       --------------------------------------------------------- ------------- ----------------- ------------------

       Total                                                         $225,725          $296,923           $326,658
       --------------------------------------------------------- ------------- ----------------- ------------------

</TABLE>


                                       72
<PAGE>


     c) The distribution of income from operations by geographical area was as
follows:

<TABLE>
<CAPTION>

                                                                               Year Ended May 31,
                                                                         2003              2004               2005
                                                                                     (in thousands)
<S>                                                                    <C>               <C>                <C>
       Ireland                                                         $6,532            $9,363             $6,223
       Rest of Europe                                                   1,192            10,209             14,033
       U.S.                                                            17,091            13,023            (4,130)
       Other                                                              114             1,788              2,481
       --------------------------------------------------------- ------------- ----------------- ------------------

       Total                                                          $24,929           $34,383            $18,607
       --------------------------------------------------------- ------------- ----------------- ------------------

</TABLE>


       d) The distribution of income from operations by business segment was as
follows:

<TABLE>
<CAPTION>

                                                                               Year Ended May 31,
                                                                         2003              2004               2005
                                                                                     (in thousands)
<S>                                                                      <C>           <C>               <C>
       Central laboratory                                                $115          ($3,274)          ($15,284)
       Clinical research                                               24,814            37,657             33,891
       --------------------------------------------------------- ------------- ----------------- ------------------

       Total                                                          $24,929           $34,383            $18,607
       --------------------------------------------------------- ------------- ----------------- ------------------

</TABLE>

     e) The distribution of property, plant and equipment, net, by geographical
area was as follows:

                                              Year Ended May 31,
                                           2004               2005
                                              (in thousands)
       Ireland                          $18,799            $20,471
       Rest of Europe                     7,202              7,273
       U.S.                              15,935             15,927
       Other                              1,000              1,615
       ----------------------------------------- ------------------

       Total                            $42,936            $45,286
       ----------------------------------------- ------------------


     f) The distribution of property, plant and equipment, net, by business
segment was as follows:

                                               Year Ended May 31,
                                           2004               2005
                                              (in thousands)
       Central laboratory                $3,989             $2,940
       Clinical research                 38,947             42,346
       ----------------------------------------- ------------------

       Total                            $42,936            $45,286
       ----------------------------------------- ------------------




                                       73
<PAGE>

     g) The distribution of depreciation and amortization by geographical area
was as follows:

                                          Year Ended May 31,
                                    2003              2004               2005
                                                (in thousands)
       Ireland                    $2,330            $3,710             $5,091
       Rest of Europe              1,138             1,842              2,157
       U.S.                        3,535             5,271              5,552
       Other                         302               348                531
       ---------------------------------- ----------------- ------------------

       Total                      $7,305           $11,171            $13,331
       ---------------------------------- ----------------- ------------------


     h) The distribution of depreciation and amortization by business segment
was as follows:

                                          Year Ended May 31,
                                    2003              2004               2005
                                                (in thousands)
       Central laboratory           $732            $1,014               $995
       Clinical research           6,573            10,157             12,336
       ---------------------------------- ----------------- ------------------

       Total                      $7,305           $11,171            $13,331
       ---------------------------------- ----------------- ------------------


     i) The distribution of total assets by geographical area was as follows:

                                        Year Ended May 31,
                                             2004             2005
                                          (in thousands)
       Ireland                            $76,165         $109,596
       Rest of Europe                     115,056           79,878
       U.S.                               141,104          153,577
       Other                                2,998            4,502
       ------------------------------------------- ----------------

       Total                             $335,323         $347,553
       ------------------------------------------- ----------------


     j) The distribution of total assets by business segment was as follows:

                                            Year Ended May 31,
                                          2004             2005
                                       (in thousands)
       Central laboratory              $20,343          $18,083
       Clinical research               314,980          329,470
       ---------------------------------------- ----------------

       Total                          $335,323         $347,553
       ---------------------------------------- ----------------



                                       74
<PAGE>

     k) The distribution of capital expenditures by geographical area was as
follows:

                                        Year Ended May 31,
                                  2003              2004               2005
                                              (in thousands)
       Ireland                  $6,375            $4,812             $6,583
       Rest of Europe            1,686             2,167              2,168
       U.S.                      7,274             5,826              5,873
       Other                       658               160              1,053
       -------------------------------- ----------------- ------------------

       Total                   $15,993           $12,965            $15,677
       -------------------------------- ----------------- ------------------


     l) The distribution of capital expenditures by business segment was as
follows:

                                       Year Ended May 31,
                                 2003              2004               2005
                                             (in thousands)
       Central laboratory      $1,520            $1,552              $ 965
       Clinical research       14,473            11,413             14,712
       ------------------------------- ----------------- ------------------

       Total                  $15,993           $12,965            $15,677
       ------------------------------- ----------------- ------------------


     m) The following table sets forth the clients which represented 10% or more
of the Company's net revenue in each of the periods set out below.

                                   Year Ended May 31,
                             2003              2004               2005
       Client A               10%                 *                  *
       Client B               21%               17%                12%
       Client C               11%                 *                  *

          * Net Revenue did not exceed 10%


18.  Supplemental Disclosure of Cash Flow Information

                                             Year Ended May 31,
                                       2003              2004             2005
                                                   (in thousands)

       Cash paid for interest          $279              $202             $229
       ------------------------------------- ----------------- ----------------

       Cash paid for income taxes    $7,186            $5,731           $5,290
       ------------------------------------- ----------------- ----------------




                                       75
<PAGE>

19. New Accounting Pronouncements

In December 2004, the FASB issued Statement No. 123R, "Share-Based Payment - An
Amendment of FASB Statements No. 123 and 95 ("SFAS No.123R"), which is effective
for public companies in periods beginning after June 15, 2005. We will implement
the proposed standard no later than the year that begins January 1, 2006. The
cumulative effect of adoption, if any, applied on a modified prospective basis,
would be measured and recognized on March 31, 2006. SFAS No. 123R addresses the
accounting for transactions in which an enterprise receives goods and services
in exchange for: (a) equity instruments of the enterprise; or (b) liabilities
that are based on the fair value of the enterprise's equity instruments or that
may be settled by the issuance of such equity instruments. SFAS No. 123R
eliminates the ability to account for share-based compensation transactions
using APB 25, and generally would require instead that such transactions be
accounted for using a fair-value based method. Equity classified awards are
measured at grant date at fair value and are not subsequently re-measured.
Liability classified awards are re-measured at fair value at each balance sheet
date until the awards are settled. We are currently evaluating option valuation
methodologies and assumptions in light of SFAS No. 123R related to employee
stock options. Current estimates of option values using the Black-Scholes method
(as reported) may not be indicative of results from valuation methodologies
ultimately adopted.

In November 2004, the FASB issued statement No. 151, "Inventory Costs, an
amendment of ARB No. 43, Chapter 4" ("SFAS No. 151"), which is effective for
public companies prospectively for inventory costs incurred in periods beginning
after June 15, 2005. This Statement amends the guidance in ARB No. 43, Chapter 4
"Inventory Pricing", to clarify that accounting for abnormal amounts of idle
facility expense, freight, handling costs and wasted material (spoilage) should
be recognized as a current period change and to require the allocation of fixed
production overhead to the costs of conversion based on normal capacity of the
production facilities. We do not expect that the adoption of SFAS No. 151 will
have a material impact on our financial position or results of operations.

In December 2004, the FASB issued Statement No. 153, "Exchanges of Nonmonetary
assets - an amendment of APB Opinion No. 29" ("SFAS No. 153"), which is
effective for public companies in periods beginning after June 15, 2005. The
guidance in APB opinion No. 29, Accounting for Nonmonetary Transactions, is
based on the principle that exchanges of nonmonetary assets should be measured
based on the fair value of the assets exchanged. The guidance in that Opinion,
however, included certain exceptions to that principle. This statement amends
Opinion 29 to eliminate the exception for nonmonetary exchanges of similar
productive assets and replaces it with a general exception for exchanges of
nonmonetary assets that do not have commercial substance. A nonmonetary exchange
has commercial substance if the future cash flows of the entity are expected to
change significantly as a result of the exchange. We do not expect that the
adoption of SFAS No. 153 will have a material impact on our financial position
or results of operations.

In November 2003 and March 2004, the Emerging Issues Task Force (EITF) reached
partial consensus on EITF 03-1, "The Meaning of Other-Than-Temporary Impairment
and its Application to Certain Investments," ("EITF 03-1"). EITF 03-1 addresses
the meaning of other then temporary impairment and its application to
investments classified as either available-for-sale or held-to-maturity under
SFAS 115, "Accounting for Certain Investments in Debt and Equity Securities" and
investments accounted for under the cost method. The EITF agreed on certain
quantitative and qualitative disclosures about unrealised losses pertaining to
securities classified as available-for-sale or held-to-maturity. In addition,
EITF 03-1 requires certain disclosures about cost method investments. The
recognition and measurement provisions of EITF 03-1 have been deferred until
additional guidance is issued.


20. Related Parties

On February 6, 1998, ICON entered into an Option Agreement ("The Put Option")
with Rosa Investment Limited ("Rosa"). Rosa's sole activity was to hold an
investment in Clear Investments Limited ("Clear"), the sole activity of which
was to hold Mr. Gray's option to exercise 54,000 ordinary shares. Mr. Gray is a
director of Rosa and Clear. Rosa is owned by a trust of which Mr. Gray is a
beneficiary. On the April 21, 2004, Mr. Gray subsequently acquired Clear from
Rosa and exercised the Put Option in accordance with the terms of the Option
Agreement. On April 22, 2004, pursuant to the Option Agreement, ICON purchased
the outstanding share capital in Clear from Mr. Gray, the consideration for the
acquisition being the issuance of 54,000 fully paid up ordinary shares in ICON,
to Mr. Gray, such a sale being the economic equivalent of Mr. Gray exercising
his stock options.



                                       76
<PAGE>

Amarin Corporation plc ("Amarin") is a neuroscience company focused on the
research, development and commercialization of drugs for the treatment of
central nervous system disorders. During fiscal 2005, Amarin contracted ICON
Clinical Research Limited (a wholly owned subsidiary of ICON plc), to conduct a
clinical trial on its behalf. The total potential value of this study is $2.7
million. As at July 27, 2005, Amarin Investment Holding Company Limited (a
company controlled by Mr. Thomas Lynch), Sunninghill Limited (a company
controlled by Dr. John Climax) and Dr. Ronan Lambe held 9.1 million, 5.6 million
and 1.6 million shares respectively in Amarin Corporation plc. These respective
holdings equate to approximately 18%, 11% and 3% of Amarin's issued share
capital. Thomas Lynch also serves as chairman and non-executive director on the
Board of Amarin. At May 31, 2005, $0.4m was outstanding to be received from
Amarin on this trial.




                                       77
<PAGE>



SIGNATURES

Pursuant to the requirements of Section 12 of the Securities Exchange Act of
1934, the Registrant certifies that it meets all of the requirements for filing
on Form 20-F and has duly caused this annual report to be signed on its behalf
by the undersigned thereunto duly authorized.





ICON public limited company




October 13, 2005                              /s/ Sean Leech
-------------------------------               --------------------------
Date                                          Sean Leech
                                              Executive Vice President -
                                              Commercial and Organizational
                                              Development
                                              (Principal Financial Officer)*







* Sean Leech, Executive Vice President - Commercial and Organizational
Development, was replaced by Ciaran Murray as the Chief Financial Officer of the
Registrant on October 3, 2005. Sean Leech is the person performing the functions
of the principal financial officer of the Registrant on an interim basis as of
the date hereof.




                                       78
<PAGE>



                    Certification of Chief Executive Officer
                           Pursuant to Section 302 of
                         the Sarbanes-Oxley Act of 2002

I, Peter Gray, certify that:

1. I have reviewed this annual report on Form 20-F of ICON plc ("the
registrant").

2. Based on my knowledge, this report does not contain any untrue statement of a
material fact or omit to state a material fact necessary to make the statements
made, in light of the circumstances under which such statements were made, not
misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial
information included in this report, fairly present in all material respects the
financial condition, results of operations and cash flows of the registrant as
of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for
establishing and maintaining disclosure controls and procedures (as defined in
Exchange Act Rules 13a-15(e) and 15d-15(e)) and have:

         a) Designed such disclosure controls and procedures, or caused such
         disclosure controls and procedures to be designed under our
         supervision, to ensure that material information relating to the
         registrant, including its consolidated subsidiaries, is made known to
         us by others within those entities, particularly during the period in
         which this report is being prepared;

         b) Evaluated the effectiveness of the registrant's disclosure controls
         and procedures and presented in this report our conclusions about the
         effectiveness of the disclosure controls and procedures, as of the end
         of the period covered by this report based on such evaluation; and

         c) Disclosed in this report any change in the registrant's internal
         control over financial reporting that occurred during the period
         covered by the annual report that has materially affected, or is
         reasonably likely to materially affect, the company's internal control
         over financial reporting.

5. The registrant's other certifying officer and I have disclosed, based on our
most recent evaluation of internal control over financial reporting, to the
registrant's auditors and the audit committee of registrant's board of directors
(or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or
operation of internal control over financial reporting which are reasonably
likely to adversely affect the registrant's ability to record, process,
summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other
employees who have a significant role in the registrant's internal control over
financial reporting.

Dated: October 13, 2005

/s/ Peter Gray
---------------------------
Peter Gray
Chief Executive Officer



                                       79
<PAGE>



                    Certification of Chief Financial Officer
                           Pursuant to Section 302 of
                         the Sarbanes-Oxley Act of 2002


I, Sean Leech, certify that:

1. I have reviewed this annual report on Form 20-F of ICON plc ("the
registrant").

2. Based on my knowledge, this report does not contain any untrue statement of a
material fact or omit to state a material fact necessary to make the statements
made, in light of the circumstances under which such statements were made, not
misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial
information included in this report, fairly present in all material respects the
financial condition, results of operations and cash flows of the registrant as
of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for
establishing and maintaining disclosure controls and procedures (as defined in
Exchange Act Rules 13a-15(e) and 15d-15(e)) and have:

         a) Designed such disclosure controls and procedures, or caused such
         disclosure controls and procedures to be designed under our
         supervision, to ensure that material information relating to the
         registrant, including its consolidated subsidiaries, is made known to
         us by others within those entities, particularly during the period in
         which this report is being prepared;

         b) Evaluated the effectiveness of the registrant's disclosure controls
         and procedures and presented in this report our conclusions about the
         effectiveness of the disclosure controls and procedures, as of the end
         of the period covered by this report based on such evaluation; and

         c) Disclosed in this report any change in the registrant's internal
         control over financial reporting that occurred during the period
         covered by the annual report that has materially affected, or is
         reasonably likely to materially affect, the company's internal control
         over financial reporting.

5. The registrant's other certifying officer and I have disclosed, based on our
most recent evaluation of internal control over financial reporting, to the
registrant's auditors and the audit committee of registrant's board of directors
(or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or
operation of internal control over financial reporting which are reasonably
likely to adversely affect the registrant's ability to record, process,
summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other
employees who have a significant role in the registrant's internal control over
financial reporting.

Dated: October 13, 2005

/s/ Sean Leech
---------------------------
Sean Leech
Chief Financial Officer



                                       80
<PAGE>




                Certification Pursuant to 18 U.S.C. Section 1350,
      As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002


In connection with the Annual Report of ICON plc (the "Company") on Form 20-F
for the period ending May 31, 2005, as filed with the Securities and Exchange
Commission on the date hereof (the "Report"), I, Peter Gray, Chief Executive
Officer of the Company, certify, pursuant to 18 U.S.C. ss. 1350, as adopted
pursuant to ss. 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge: (1)
the Report fully complies with the requirements of section 13(a) or 15(d) of the
Securities Exchange Act of 1934; and (2) the information contained in the Report
fairly presents, in all material respects, the financial condition and result of
operations of the Company.

Date:    October 13, 2005


/s/ Peter Gray
----------------------------
Peter Gray
Chief Executive Officer

The foregoing certification is being furnished solely pursuant to section 906 of
the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of section 1350, chapter
63 of title 18, United States Code) and is not being filed as part of the report
or as a separate disclosure document. A signed original of this written
statement required by section 906 has been provided to ICON plc and will be
retained by ICON plc and furnished to the Securities and Exchange Commission or
its staff upon request.


                Certification Pursuant to 18 U.S.C. Section 1350,
      As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002



In connection with the Annual Report of ICON plc (the "Company") on Form 20-F
for the period ending May 31, 2005, as filed with the Securities and Exchange
Commission on the date hereof (the "Report"), I, Sean Leech, Chief Financial
Officer of the Company, certify, pursuant to 18 U.S.C. ss. 1350, as adopted
pursuant to ss. 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge: (1)
the Report fully complies with the requirements of section 13(a) or 15(d) of the
Securities Exchange Act of 1934; and (2) The information contained in the Report
fairly presents, in all material respects, the financial condition and result of
operations of the Company.

Date:    October 13, 2005


/s/ Sean Leech
-----------------------------
Sean Leech
Chief Financial Officer

The foregoing certification is being furnished solely pursuant to section 906 of
the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of section 1350, chapter
63 of title 18, United States Code) and is not being filed as part of the report
or as a separate disclosure document. A signed original of this written
statement required by section 906 has been provided to ICON plc and will be
retained by ICON plc and furnished to the Securities and Exchange Commission or
its staff upon request.




                                       81