Exhibit 99.1

ICON plc to Present at UBS Virtual Global Healthcare Conference

DUBLIN--(BUSINESS WIRE)--May 13, 2020--ICON plc, (NASDAQ: ICLR) a global provider of drug and device development and commercialisation services to the pharmaceutical, biotechnology and medical device industries, today announced that Mr. Brendan Brennan, CFO of ICON plc, will present at the UBS Virtual Global Healthcare Conference on Wednesday, May 20, 2020. The presentation will be webcast live from 09.10am EDT.

A link to the live webcast will be available via the Investor section of our website under “Events”.

About ICON plc

ICON plc is a global provider of outsourced drug and device development and commercialisation services to pharmaceutical, biotechnology, medical device and government and public health organisations. The Company specialises in the strategic development, management and analysis of programs that support clinical development - from compound selection to Phase I-IV clinical studies. With headquarters in Dublin, Ireland, ICON employed approximately 15,100 employees in 98 locations in 40 countries as at March 31, 2020. Further information is available at www.iconplc.com.

This press release contains forward-looking statements. These statements are based on management's current expectations and information currently available, including current economic and industry conditions. These statements are not guarantees of future performance or actual results, and actual results, developments and business decisions may differ from those stated in this press release. The forward-looking statements are subject to future events, risks, uncertainties and other factors that could cause actual results to differ materially from those projected in the statements, including, but not limited to, the ability to enter into new contracts, maintain client relationships, manage the opening of new offices and offering of new services, the integration of new business mergers and acquisitions, the impact of COVID-19 on our business, as well as other economic and global market conditions and other risks and uncertainties detailed from time to time in SEC reports filed by ICON, all of which are difficult to predict and some of which are beyond our control. For these reasons, you should not place undue reliance on these forward-looking statements when making investment decisions. The word "expected" and variations of such words and similar expressions are intended to identify forward-looking statements. Forward-looking statements are only as of the date they are made and we do not undertake any obligation to update publicly any forward-looking statement, either as a result of new information, future events or otherwise. More information about the risks and uncertainties relating to these forward-looking statements may be found in SEC reports filed by ICON, including its Form 20-F, F-1, S-8 and F-3, which are available on the SEC's website at http://www.sec.gov.

Source: ICON plc

ICON/ICLR-G

Contacts

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+1888 381 7923
or
Jonathan Curtain
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+353 1 291 2000