Alcan Specialty Sheet Presents its Customised Solutions at Light+Building Exhibition

PARIS, April 12, 2010 - Alcan Specialty Sheet, part of Alcan Engineered Products - a business
unit of Rio Tinto - presents its innovative enlarged range of customised
aluminium-based solutions at the Light+Building 2010 tradeshow in Frankfurt,
Germany, from 11 to 16 April. Under the theme "Multiple choices of
functional surfaces for new challenges," Alcan Specialty Sheet showcases
innovative functionally modified surfaces and design solutions, including
unique reflector materials for high performance lighting applications.

"Innovation, customer focus and sustainability are pivotal values to
Alcan Specialty Sheet's success and market position development," said
Laurent Musy, President, Alcan Specialty Sheet. "In the current economic
climate, we firmly believe that 2010 is a year of opportunities to get
closer to customers and help them to identify new innovative applications
enabled by our customised solutions. Thanks to our dedicated outstanding R&
D teams, our extensive products portfolio addresses issues such as reduced
energy consumption lighting and solar energy substrates."

Alcan Specialty Sheet provides unique research and development
capabilities and technical support to customise cutting-edge solutions for
highly demanding industrial applications. Alcan Specialty Sheet's plants in
Singen and Neuf-Brisach are leading suppliers of Flat Rolled Aluminium
products for light and building end-use markets in architecture, industry,
decoration and lighting, building on their long-term commitment to provide
customers with cost effective and innovative solutions.

"This exhibition is a strategic platform to further understand
customer's needs and expectations. It is also a unique opportunity to
support them in shaping future end-use market trends that enables us in
return to constantly adapt and customize our offering," said Thierry Mootz,
Director, Sales and Marketing, Automotive & Customised Solutions for Alcan
Specialty Sheet.

Alcan Specialty Sheet is a key player in the European rolling industry,
enjoying leading market positions for packaging, automotive, and
customised industrial sheet solutions including high quality functional
surface products. It has world-class rolling and recycling operations in
Neuf-Brisach (France) and Singen (Germany), dedicated R&D capabilities in
Voreppe (France) and Neuhausen (Switzerland), and employs over 2,000 people.

Alcan Engineered Products is a global sector-leader strongly committed
to developing innovative, value-added aluminium products for a broad range
of markets and applications, including aerospace, mass transportation,
automotive, packaging, energy and building. With around 11,000 employees
located in over 27 countries and a commercial presence in more than 60
markets worldwide, Alcan Engineered Products is organised around businesses
dedicated to performance materials in the areas of aluminium rolled
products, extrusions and automotive structures, aluminium cable and
international trade. Alcan Engineered Products is headquartered in Paris,
France.

About Rio Tinto

Rio Tinto is a leading international mining group headquartered in the
UK, combining Rio Tinto plc, a London and NYSE listed company, and Rio
Tinto Limited, which is listed on the Australian Securities Exchange.

Rio Tinto's business is finding, mining, and processing mineral
resources. Major products are aluminium, copper, diamonds, energy (coal and
uranium), gold, industrial minerals (borax, titanium dioxide, salt, talc)
and iron ore. Activities span the world but are strongly represented in
Australia and North America with significant businesses in South America,
Asia, Europe and southern Africa.

For further information: Alcan Specialty Sheet: Patrick Boittiaux,
+49-7731-80-2738, patrick.boittiaux@alcan.com; Alcan Engineered Products,
Paris: Christine Chanet, +33-1-57-00-21-65, christine.chanet@alcan.com;
Alcan Specialty Sheet: Laurette Zaeh-Petit, +33-3-89-72-41-68,
laurette.zaeh-petit@alcan.com; www.riotinto.com

For further information: Alcan Specialty Sheet: Patrick Boittiaux, +49-7731-80-2738, patrick.boittiaux at alcan.com; Alcan Engineered Products, Paris: Christine Chanet, +33-1-57-00-21-65, christine.chanet at alcan.com; Alcan Specialty Sheet: Laurette Zaeh-Petit, +33-3-89-72-41-68, laurette.zaeh-petit at alcan.com