Madison Dearborn Partners, LLC Engages Former Nielsen Global President John Lewis in Pursuit of Information Services Investment Opportunities

CHICAGO–(BUSINESS WIRE)–Madison Dearborn Partners, LLC (“MDP”), a leading private equity firm
based in Chicago, announced today that it has engaged industry leader
John Lewis as an Executive Partner in pursuit of attractive investment
opportunities for MDP’s funds across the information services landscape.
In particular, Mr. Lewis, who most recently served as Global President
of Nielsen Holdings PLC (NYSE:NLSN), will assist MDP in identifying and
developing businesses with differentiated capabilities in data and
business analytics.

John is a successful operator with a deep understanding of what it
takes to build and cultivate a strong franchise in information
services,” said Scott Pasquini, a Managing Director at MDP. “His
operating expertise complements our capabilities well and we are excited
to add John’s contributions to the long-term success of our information
services investments.”

We are thrilled to be working with John as we look to secure compelling
investment opportunities in this exciting sector,” adds Zaid Alsikafi, a
Managing Director at MDP and co-head of the firm’s TMT Services team.
MDP’s expertise and resources, coupled with John’s background, create a
unique proposition with which to source and grow cutting-edge businesses
focused on data analytics.”

Mr. Lewis has a proven track record of achievement over a multi-year
career spanning a variety of business situations, including globally
scaled businesses, start-ups and turnarounds. Most recently, in his
capacity as Global President of Nielsen, he oversaw Nielsen’s global
“Buy” business and its ex-North America “Watch” business, which
comprised approximately two-thirds of Nielsen’s more than $6 billion of
annual revenue during his tenure. In addition, Mr. Lewis completed and
successfully integrated more than 10 strategic acquisitions while at
Nielsen.

Prior to Nielsen, Mr. Lewis was CEO of Knowledge Networks, a venture
capital-backed early stage company where he succeeded the founding CEO
and led its transformation into a more differentiated provider of
specialized market research. Previously, he led the Consumer Products
division at The NutraSweet Company. He earned a bachelor’s degree from
Princeton University and an MBA from Northwestern University’s Kellogg
School of Management.

I’ve long admired MDP’s approach and I am pleased to be formally
aligned with them to help identify attractive investment opportunities
in the data and business analytics sector,” said Mr. Lewis. “MDP and I
share a common conviction around the compelling opportunities this
evolving field presents, as new ways of ingesting and analyzing data are
developed to support the critical needs of consumer-facing businesses
across a range of industry verticals.”

Mr. Lewis has also joined MDP’s TMT Services Advisory Group, which
comprises outside industry executives who assist MDP with identifying
new investment opportunities and generating value for MDP’s funds within
existing investments. MDP leverages the expertise of this and other
industry-specific advisory groups to supplement and enhance its
investment strategy across each of its industry areas of focus. These
advisory groups have provided MDP with direct introductions to target
companies and management teams, unique insights on sector trends, due
diligence assistance and post-investment value enhancement support.

About Madison Dearborn Partners, LLC

Madison Dearborn Partners, LLC (MDP), based in Chicago, is a leading
private equity investment firm in the United States. Since MDP’s
formation in 1992, the firm has raised seven funds with aggregate
capital of approximately $23 billion and has completed approximately 130
investments. MDP is currently investing out of its most recent fund,
$4.4 billion MDCP Fund VII, in businesses across a broad spectrum of
industries, including telecom, media and technology (TMT) services;
basic industries; business and government services; consumer; financial
and transaction services; and health care. For more information, please
visit http://www.mdcp.com.

Contacts

Abernathy MacGregor for Madison Dearborn Partners, LLC
Chuck
Dohrenwend or Kate Murray, 212-371-5999
cod@abmac.com
ksm@abmac.com