Medidata Announces Third Quarter 2018 Earnings Conference Call

NEW YORK– Oct. 4, 2018 – Medidata (NASDAQ: MDSO) today announced that it will release its third quarter 2018 financial results before the market opens on Thursday, October 18, 2018. The company will also hold a conference call at 8 a.m. ET for the investment community to discuss the company’s results and business outlook.

Conference ID: 5480999

Live dial-in: 1-877-303-2528, domestic

1-847-829-0023, international

Webcast: investor.mdsol.com

Replay: 1-800-585-8367, domestic

1-404-537-3406, international

About Medidata

Medidata is leading the digital transformation of life sciences, with the world's most used platform for clinical development, commercial, and real-world data. Powered by artificial intelligence and delivered by the #1 ranked industry experts, the Intelligent Platform for Life Sciences helps pharmaceutical, biotech, medical device companies, and academic researchers accelerate value, minimize risk and optimize outcomes. Medidata serves more than 1,000 customers and partners worldwide and empowers more than 100,000 certified users everyday to create hope for millions of patients. Discover the future of life sciences: www.mdsol.com

Medidata Solutions: Investors: Betsy Frank, 917-522-4620 bfrank@mdsol.com or

Media: Erik Snider, 646-362-2997 esnider@mdsol.com