NEW YORK–(BUSINESS WIRE)–#MDSO—Medidata
(NASDAQ:MDSO) has been named to Barron’s first annual list of the “100
Most Sustainable Companies” in the U.S., demonstrating the company’s
positive impact in five categories: shareholders, employees, customers,
community and planet.

The magazine’s ranking was determined in partnership with the Calvert
Research and Management arm of Eaton Vance (EV). Calvert Research and
Management analyzed 1,000 of the largest publicly traded companies
headquartered in the U.S. Medidata is ranked 70th on the list.

“We’re proud to have been named to Barron’s list of 100 Most Sustainable
Companies,” said Tarek Sherif, CEO and co-founder, Medidata. “Priorities
such as long-term performance, social responsibility, and healthy
governance define our core values and pursuit of excellence. We take
great pride in how Medidata serves as an outstanding sustainable
company, while making a positive impact on life science companies, and
ultimately patients.”

Medidata is committed to the global advancement of life sciences
research, science and technology education, and local communities. The
company targets three pillars of giving: Patient Advocacy and Research,
STEM Education, and the Local and Global Community. Some examples of
Medidata’s leadership in the area of corporate
responsibility include:

• Medidata locates its offices in USGBC (United States Green Building
  Council) LEED certified buildings, and aims to construct all new
  offices to a LEED Gold certification standard.
• In 2016, Medidata reduced by 22% year on year its global combined
  Scope 2 and Scope 3 indirect CO2e emissions per Dollar ($) of revenue.
• Medidata employees are offered a free volunteer day and encouraged to
  be fully engaged and supportive of organizations and causes in their
  local communities. In 2018, Medidata’s goal is to hold global
  volunteer events throughout the year with at least 80% of employees
  volunteering in their communities worldwide.
• One of Medidata’s philanthropic initiatives is to respond to national
  disasters in local communities, this includes recent efforts after
  Hurricane Harvey and Northern California fires.

About Medidata Solutions

Medidata’s unified platform, pioneering analytics, and unrivaled
expertise power the development of new therapies for over 1,000
pharmaceutical companies, biotech, medical device firms, academic
medical centers and contract research organizations around the world.
The Medidata Clinical Cloud® connects patients, physicians and life
sciences professionals. Companies on the Medidata platform are
individually and collaboratively reinventing the way research is done to
create smarter, more precise treatments. For more information: www.mdsol.com

Contacts

Investor:
Medidata Solutions
Betsy Frank, +1
917-522-4620
bfrank@mdsol.com
or
Anthony
D’Amico, +1 732-767-4331
adamico@mdsol.com
or
Media:
Medidata
Solutions
Erik Snider, +1 646-362-2997
esnider@mdsol.com