Discovery, Inc. Joins on Addressability Initiative with Distribution Partners Charter, Comcast and Cox to Enhance Addressable Capabilities Across Entire U.S. Portfolio of 18 Networks
Advanced Advertising Technology Will Allow for Discovery Advertisers to Maximize Impact by Reaching Desired Consumers
“Discovery’s participation in On Addressability makes a valuable addition to options for reaching a range of audiences, from broad reach to specific audiences,” says Louis Gump, SVP, Cox Media. “This milestone adds to the growing momentum to bring enhanced addressability to the media landscape to meet the needs of our advertising customers.”

New York – July 30, 2020 – Discovery, Inc., the global leader in real-life entertainment, today announced
it will join the On Addressability initiative, along with other major media organizations and distribution
partners Charter’s Spectrum Reach, Comcast Advertising and Cox Media, to unlock addressable
advertising capabilities across the organization’s suite of 18 U.S. networks.

The On Addressability initiative enables Discovery to offer advertisers dynamic ad insertion in both VOD
and linear environments delivered to aggregated household audiences across the Charter, Comcast and
Cox cable television footprints, consistent with each company’s commitment to privacy.

“Discovery has long been at the forefront of the movement to bring linear addressable advertising to
the U.S. ad sales market,” said Keith Kazerman, EVP, Digital Sales, Advanced Advertising and Research,
Discovery, Inc. “This initiative is a major milestone and represents a huge step forward in scaling
Discovery’s addressable offering.”

“On Addressability is a best-in-class initiative that provides programmers an opportunity to make their
networks more impactful with increased data-driven capabilities for targeting and measurement,” said
David Kline, Executive Vice President at Charter Communications, and President of Spectrum Reach.
“We look forward to working with Discovery and helping to lead the way in scaling their addressable
offering and innovative advertising solutions.”

“We’re very excited to have Discovery join On Addressability. When we launched this call to action last
year, the focus at the time was working with distributors, such as Charter and Cox, to create the
foundation. Now, we’re embarking on the next big chapter, by working with programmers such as
Discovery to build out that inventory,” said Gina Mingioni, SVP, Strategy and Operations, Comcast
Advertising. “Discovery’s joining is a testament to the scale, support and industry adoption we’ve seen
behind On Addressability.”

Discovery Ad Sales has been a pioneer in advanced advertising since launching Discovery Engage in
2016, Discovery’s data management and analytics platform for targeting, optimization and
measurement beyond age and gender. With a suite of 18 networks, including TLC, the #1 network in
cable, Discovery is a leaderin cable television. Discovery is now able to offer clients immediate scale and
reach, adding 30 million households for On Addressability to its offerings and bringing Discovery’s
addressable footprint to approximately 40 million households across the United States.
“Discovery’s participation in On Addressability makes a valuable addition to options for reaching a range
of audiences, from broad reach to specific audiences,” says Louis Gump, SVP, Cox Media. “This
milestone adds to the growing momentum to bring enhanced addressability to the media landscape to
meet the needs of our advertising customers.”

Launched in June 2019, On Addressability is pioneering a linear and VOD television solution for
addressable advertising to maximize the impact and value of TV as a scalable and sustainable marketing
platform.

The initiative enables addressability on linear and set-top-box VOD television by employing learnings,
including identifying effective practices and standards, enabling technical solutions and working to solve
larger challenges such as measurement. Canoe Ventures has signed on as the technical support for the
initiative, which includes managing service for linear and VOD.

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About Discovery
Discovery, Inc. (Nasdaq: DISCA, DISCB, DISCK) is a global leader in real life entertainment, serving a
passionate audience of superfans around the world with content that inspires, informs and entertains.
Discovery delivers over 8,000 hours of original programming each year and has category leadership
across deeply loved content genres around the world. Available in 220 countries and territories and
nearly 50 languages, Discovery is a platform innovator, reaching viewers on all screens, including TV
Everywhere products such as the GO portfolio of apps; direct-to-consumer streaming services such as
Eurosport Player, Food Network Kitchen and MotorTrend OnDemand; digital-first and social content
from Group Nine Media; a landmark natural history and factual content partnership with the BBC; and a
strategic alliance with PGA TOUR to create the international home of golf. Discovery's portfolio of
premium brands includes Discovery Channel, HGTV, Food Network, TLC, Investigation Discovery, Travel
Channel, MotorTrend, Animal Planet, Science Channel, and the forthcoming multi-platform JV with Chip
and Joanna Gaines, Magnolia, as well as OWN: Oprah Winfrey Network in the U.S., Discovery Kids in
Latin America, and Eurosport, the leading provider of locally relevant, premium sports and Home of the
Olympic Games across Europe. For more information, please visit corporate.discovery.com and follow
@DiscoveryIncTV across social platforms.

About On Addressability
The On Addressability initiative maximizes the impact and value of TV as a scalable and sustainable
marketing platform. Spearheaded by Comcast Advertising in summer 2019, On Addressability is led by
Comcast, Charter and Cox and welcomes participation across the industry. For more information, please
visit www.comcastadvertising.com/onaddressability.

About Charter
Charter Communications, Inc. (NASDAQ:CHTR) is a leading broadband connectivity company and cable
operator serving more than 29 million customers in 41 states through its Spectrum brand. Over an
advanced communications network, the company offers a full range of state-of-the-art residential and
business services including Spectrum Internet®, TV, Mobile and Voice.
For small and medium-sized companies, Spectrum Business® delivers the same suite of
broadband products and services coupled with special features and applications to enhance
productivity, while for larger businesses and government entities, Spectrum Enterprise provides
highly customized, fiber-based solutions. Spectrum Reach® delivers tailoredadvertising and production
for the modern media landscape. The company also distributes award-winning news coverage, sports
and high-quality original programming to its customersthrough Spectrum Networks and Spectrum
Originals. More information about Charter can be found at corporate.charter.com. 

About Comcast Advertising
Comcast Advertising is the advertising division of Comcast Cable. As a global leader in media, technology
and advertising, Comcast Advertising fosters powerful connections between brands and their audiences
as well as between publishers, distributors, MVPDs, agencies and other industry players. Effectv, its
advertising sales division, helps local, regional and national advertisers connect with their audiences on
every screen by using advanced data to drive targeting and measurement of their campaigns.
FreeWheel, its media and technology arm, provides the technology, data enablement, and convergent
marketplaces required to ensure buyers and sellers can transact across all screens, across all data types
and all sales channels, in order to ensure the ultimate goal – results for marketers. Comcast Cable, along
with NBCUniversal and Sky, is part of the Comcast Corporation (NASDAQ: CMCSA). Visit
www.comcastadvertising.comto learn more.

About Cox Media
Cox Media is the advertising sales division of Cox Communications, the third largest cable entertainment
and broadband services provider in the country. Cox serves approximately 6 million residences and
businesses, giving Cox Media’s customers the opportunity to reach their ideal customer wherever they
go.

For further information: Discovery, Inc. Cara Brugnoli, cara_brugnoli@discovery.com Comcast Advertising/On Addressability Elaine Wong, elaine_wong@comcast.com Charter Stacey Mitch, stacey.mitch@charter.com Cox Media Merrie Beth Salazar, merriebeth.salazar@coxmedia.com