P R O D U C T D E S C R I P T I O N

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1 Product : SIGNICOLOR Page: 1/7 This product description is valid for coil coating aluminium sheets for the manufacturing of signs, e.g. advertising signs. 1. Metal Substrate 1.1 Alloy and Temper Mechanical Properties after Coating (gauge: 1.0mm and 1.5 mm) (Basis: Novelis Werksnorm) Legierung Alloy EN AW-3005 AlMn1Mg0,5 Zustand Zugfestigkeit 0,2% Dehngrenze Bruchdehnung [min] Temper Tensile Proof Stress Elongation [min] strength Rm [MPa] Rp0,2 [MPa] A50 [%] Novelis min. max. min. max. Gauge: mm C4S H (measured transverse to the rolling direction) Alloy and Temper (gauge: 2.0mm and 3.0mm) Mechanical Properties after Coating (Basis: Alcan Werksnorm) Legierung Alloy EN AW-5754 AlMg3 Zustand Zugfestigkeit 0,2% Dehngrenze Bruchdehnung [min] Temper Tensile strength Proof Stress Elongation [min] Rm [MPa] Rp0,2 [MPa] A50 [%] Novelis min. max. min. max. Gauge: mm 53S H (measured transverse to the rolling direction)

2 Product : SIGNICOLOR Page: 2/7 1.2 Dimensions and Tolerances Gauge (width: 1250mm,1500mm) metal gauge [mm] Tolerance [mm] 1.0 ± ± ± ± 0.17 (without laquer, without protective film) Width Widths [mm] Tolerance [mm] / / / / Length (standard length) gauge [mm] width [mm] length [mm] tolerance [mm] mm / mm / -0 1,5 mm / mm / mm / mm / mm / mm / mm / mm / -0 Choice of special length on special arrangement.

3 Product : SIGNICOLOR Page: 3/7 4. Coating Characteristics Aluminium coil coated with a two layer system on the top side 4.1 Chemical pre-treatment The material is degreased and chemical pre-treated. 4.2 Coil coating system Top side: epoxy primer + polyurethane top coat (colours black and silver: polyester primer + polyester top coat) Bottom side: polyurethane RAL-reference, Novelis colour code Colours: top side: RAL , white (schwanenweiß) RAL F8-80, yellow (eisgelb) RAL , red (tomatenrot) RAL , blue (atlantikblau) RAL , green (taunusgrün) RAL , silver (brillantmetallic) RAL , black (kohlenschwarz) Choice of avaible colours according to Novelis colour chart or on special arrangement. bottom side: , clear (astralsilber) Colour deviation: E < 3 units (except metallic, not measurable)

4 Product : SIGNICOLOR Page: 4/7 4.3 Coating Properties Gloss: app. 80 units (angle of 60 ) (acc. ECCA T2, silver: app. 40 units) Coating thickness top side : app µm black: app. 11 µm bottom side : 5 µm Recoatability Screenprinting: Foil laminating: Paint adhesion: both sides are suitable for recoating with most common coatings (acc. to the advices of the producer) both sides are suitable for screenprinting with most common inks (acc. to the advices of the producer) both sides are suitable for being laminated with foils Erichsen Test: after deformation of 4mm: no paint chipping after tape test (ECCA T6) T- Bend Test no cracks at T > 2.5, Temperature during bending > 18 C (acc. ECCA T7) Impact Test no cracks after indentation with 40 ip (acc. ECCA T5) 5. Surface Quality The top side should be free from any imperfections which effects the cosmetic appearance of the sheets, i.e. orange peel effect, gloss stripes, scratches, dirt, etc. (visual inspection to be carried out in daylight at a distance of 200 cm). 6. Protective film Thickness appr. 70 µm Colour white, with Signicolor and Novelis logos Material polyethylene Outside use not suitable for outside use, UV radiation may attack the surface

5 Product : SIGNICOLOR Page: 5/7 7. Fire Propagation Test NOVELIS Signicolor for signs has been tested in a fire propagation test. Test-Institute: DEUTSCHES INSTITUT FÜR BAUTECHNIK, BERLIN Test : FIRE BEHAVIOUR OF BUILDING MATERIALS AND BUILDING COMPONENTS DIN 4102 Part 1 Result : non-combustible, DIN 4102/1, class A2 (Date of testing: ) Cert.-No. Z-PA-III Test Procedures Novelis Deutschland GmbH has established and applies a quality system according to DIN ISO 9001 / EN Quality control is carried out in accordance with European guidelines as laid down by EN (Euro-Norm), ISO, DIN and ECCA. The following criteria are tested to the corresponding standard: Tests 8.1 Metal Substrate Standard Chemical composition EN Mechanical properties Tensile testing EN Tolerances of Dimensions EN Coating properties EN 1396 Degreasing and chem. pretreatment Thickness (Primer and top coat) Specular gloss Colour difference Lacquer hardness - Pencil Test Resistance to rapid deformation (Impact test) Adhesion after indentation cupping (slow deformation) Resistance to cracking on bending (T-bend-test) Lacquer hardening - MEK test Surface quality ECCA T1 ECCA T2 ECCA T3 ECCA T4 ECCA T5 ECCA T6 ECCA T7

6 Product : SIGNICOLOR Page: 6/7 8.3 Corrosion and weathering Tests Standard Accelerated Exposure Tests Resistance to salt spray fog (Acetic acid salt spray test) ECCA T8/ESS DIN Water immersion resistance ECCA T9 Resistance to accelerated weathering using UV lamps ECCA T10/ISO 4628 Measurement of chalking ECCA T14 Outdoor Exposure Tests at: ECCA recommendation for panel design and method for atmospheric exposure testing Method of evaluation of outdoor exposed panels Göttingen Hoek van Holland Florida ECCA T19 ECCA T21 9. Modifications In the interest of technical progress we reserve the right to make any modifications. Any modifications or revisions of this specification must be jointly discussed and agreed between the customer and the supplier. We are not responsible for incorrect technical applications of our products. 10. Processing Advices The sheets can be processed by cutting, blanking, punching and milling and be formed by bending. To protect the material against damages during processing and mounting the sheets are covered by a white, UV-resistant film, which is printed with Alcan symbols and can easily been stripped off. To avoid cracking during forming one has to adhere to a minimum inner bending radius and a minimum temperature. - minimum bending radius: 3.0 mm (according to 2.5T acc. to ECCA T7), sheet gauge: 1.5 mm, min. bending radius R i = 2.5 x 1.5 mm = 3.75 mm) - minimum metal temperature during forming: 20 C

7 Product : SIGNICOLOR Page: 7/7 11. Installation In order to achieve absolute uniformity of colour and gloss of the surfaces, only material from one single production lot should be used. This is imperative, particularly in the case of metallics. The production-identification number (coil no.) and the Novelis symbol is printed on the reverse face. The top of the Novelis symbol indicates the painting direction. 12. Cleaning Only water based mild cleaning agents should be used for cleaning organic coated products. Regular cleaning of organic coatings will maintain the satisfactory state of the surface. Cleaning should be carried out when the appearance is dissatisfactory due to deposits of atmospheric pollution or other substances washed down from the surfaces. The finishes should be washed with water containing a mild detergent, as recommended by the supplier. Harsh scrubbing or the use of abrasive or solvent cleaners, which will change the finish, should be avoided. NOVELIS Deutschland GmbH Werk Göttingen Hannoversche Str Göttingen