Styron Names Richard J. Diemer Jr. as Executive Vice President and Chief Financial Officer

Midland, Michigan, August 31, 2010 (ots/PRNewswire) - Styron has
announced three new members to the company's executive leadership.
The announcement was made by Chris Pappas, President and Chief
Executive Officer of Styron.

(Logo: http://www.newscom.com/cgi-bin/prnh/20100618/395738 )

Richard J. Diemer Jr. has been named Executive Vice President and
Chief Financial Officer of Styron. Diemer was previously the Senior
Vice President and CFO of Albemarle Corporation, a $2.5 B specialty
chemical company. Celso Goncalves, who is currently CFO of Styron,
will remain with the company through year-end to ensure a smooth
transition.

"We are extremely pleased to name a CFO of the caliber of Rich,
who brings a combination of excellent industry experience, financial
and strategic leadership, and a strong track record serving as CFO of
a NYSE-listed public company," said Chris Pappas, President and CEO
of Styron. "I also want to thank Celso, who has been a highly valued
member of our leadership team and played an instrumental role in the
success of forming and launching Styron over the past 12 months. His
personal and professional contributions to Styron are immeasurable,
and we are pleased that he will stay on with Styron during the
transition."

Diemer brings to Styron a 25-plus year track record in strong
financial and strategic leadership. Diemer reports to Pappas, and is
a member of the Styron executive leadership team. Diemer's role is
effective September 7. Prior to joining Styron, Diemer most recently
was Senior Vice President and CFO at Albemarle Corporation, based in
Baton Rouge, LA, U.S.A. Diemer joined Albemarle Corporation in August
2005 and was elected Senior Vice President and Chief Financial
Officer (CFO) effective September 1, 2005. Prior to joining
Albemarle, Diemer served as corporate controller of Honeywell
International (and predecessor Allied-Signal Inc.), Vice President
and CFO of Honeywell's Specialty Materials business, and senior
portfolio manager equities for Honeywell Capital Management. Diemer
is a graduate of the University of Virginia's McIntire School of
Commerce and began his business career with KPMG. Over a 17-year
career with KPMG, Diemer spent time in KPMG's New Jersey practice,
executive office and London office and served as both an audit and
SEC reviewing partner.

John Sereda has joined Styron as Vice President and Treasurer
with responsibility for all treasury matters, including cash
management, risk management, relationships with ratings agencies and
commercial banks, and financing. He is a member of the Styron
leadership team and reports to Diemer. Sereda most recently served as
Vice President, Finance, and Treasurer for NOVA Chemicals
Corporation, based in Calgary, Alberta and Pittsburgh, Pennsylvania.
Sereda brings to Styron 32 years' experience in banking, treasury
operations, natural gas trading, risk management, and finance. He
attended the University of Saskatchewan and the University of
Toronto, studying economics and banking.

George Osborne joins Styron as Vice President and Controller with
responsibility for all controllership matters, including accounting
policy and application, financial reporting, and internal control. He
is a member of the Styron leadership team and reports to Diemer.
Osborne most recently served as The Dow Chemical Company's Corporate
Controller's Director of M&A and Significant Transactions based in
Midland, Michigan. Osborne brings 40 years of multinational
accounting and finance experience to Styron. He is a graduate of
Louisiana State University with a B.S. in Accounting.

"We are very pleased to have Rich Diemer, John Sereda and George
Osborne join Styron," said Chris Pappas, President and Chief
Executive Officer of Styron. "These leaders know the materials
industry and the business very well. Their talent and great depth of
finance expertise are critical to continue to drive the growth and
performance of our Styron business."

In March 2010, Pappas was named President and CEO of Styron,
following the announcement that The Dow Chemical Company and Bain
Capital Partners had signed a definitive agreement for Dow's Styron
Division to be divested to an affiliate of Bain Capital and become a
standalone, privately held company. Prior to his appointment as
President and CEO of Styron, Pappas served as President and Chief
Operating Officer at NOVA Chemicals Corporation. He started his
career with Dow in 1978, holding a variety of positions until 1995.
Pappas joined DuPont Dow Elastomers LLC in 1996 and held several
leadership positions there before joining NOVA in 2000.

About Styron

Styron is a leading global materials company, dedicated to
innovate and deliver for its customers. Styron's unique and balanced
product portfolio brings together plastics, rubber and latex
businesses that share feedstocks, operations, customers and end
users. Styron has a leadership position in its two flagship products,
polystyrene and latex. The company benefits from global scale, a
long-standing tradition of unrivaled customer relationships and a
robust innovation pipeline. Styron has approximately $3.7 billion in
revenue (based on 2009 data), with 20 manufacturing sites in all
geographies. Styron's 1,900 employees are committed to listen to
customers' needs and provide them with innovative and sustainable
solutions in markets such as appliances, automotive, building &
construction, carpet, commercial transportation, consumer
electronics, consumer goods, electrical & lighting, medical,
packaging, paper & paperboard, rubber goods and tires. More
information about Styron can be found at http://www.styron.com.

ots Originaltext: Styron
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Contact:
CONTACT: For editorial information: Catherine Maxey, Styron
LLC,ccmaxey@styron.com, +1-989-636-4506; Inge Boets, Porter
Novelli,Inge.boets@porternovelli.be +32-2-413-03-40