Revised: , version: 1.0/En Replaces SDS Date of issue: Section 1 IDENTIFICATION OF THE SUBSTANCE/MIXTURE AND OF THE

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1 Page 1 of 6 Section 1 IDENTIFICATION OF THE SUBSTANCE/MIXTURE AND OF THE 1.1. Product identifier: Trade name: COMPANY/UNDERTAKING Substance name: Coke (petroleum), calcined EC No.: REACH Registration No.: Not applicable CAS No.: Relevant identified uses of the substance or mixture and uses advised against: Identified use(s): Loss Circulation Material (LCM) 1.3. Details of the supplier of the safety data sheet: Name: Superior Graphite Europe Address: Box 13000, Sundsvall, Sweden Telephone: customerserviceeu@superiorgraphite.com 1.4. Emergency telephone number: 112 SOS Europe Section 2 HAZARDS IDENTIFICATION 2.1. Classification of the substance or mixture: According to Regulation (EC) No 1272/2008: Not classified Label elements: Hazard pictogram: Not relevant. Signal word: Not relevant. Hazard statement: Not relevant. Precautionary statement: Not relevant Other hazards: The substance does not meet the criteria for PBT or vpvb in accordance with Annex XIII of Regulation (EC) No 1907/2006.

2 Page 2 of 6 Inhalation of dust may result in irritation of mucous membranes. Long-term inhalation may result in pneumoconiosis. Section 3 COMPOSITION/INFORMATION ON INGREDIENTS 3.1. Substances: Name Content, % CAS No / EC No Classification (EC) No 1272/2008 Coke (petroleum), calcined 100% / Not classified Section 4 FIRST AID MEASURES 4.1. Description of first aid measures: Inhalation: Remove to fresh air. If breathing becomes difficult, get medical attention. Skin contact: Wash exposed skin with soap and water. If irritation persists, get medical attention. Launder severely contaminated clothing before reuse. Contact with eyes: Flush thoroughly with water for 15 minutes. Get medical attention. Ingestion: Do not induce vomiting. Get medical attention Most important symptoms and effects, both acute and delayed: Inhalation: Inhalation of dust may result in irritation of mucous membranes. Long-term inhalation may result in pneumoconiosis. Skin contact: Skin contact may cause irritation. Contact with eyes: Eye contact may cause irritation to eyes. Ingestion: Ingestion may cause gastrointestinal disturbances Indication of any immediate medical attention and special treatment needed: Not relevant. Section 5 FIRE-FIGHTING MEASURES 5.1. Extinguishing media: Suitable extinguishing media: Water, carbon dioxide, foam or dry chemical.

3 Page 3 of 6 Unsuitable extinguishing media: None Special hazards arising from the substance or mixture: None Advice for fire-fighters: Wear approved self-contained breathing apparatus to fight a fire involving this material. Section 6 ACCIDENTAL RELEASE MEASURES 6.1. Personal precautions, protective equipment and emergency procedures: Use proper personal protective equipment as listed in Section Environmental precautions: Do not allow material to enter sanitary sewers, groundwater or soil. Accidental spills are to be collected and disposed according to the requirements in Section Methods and material for containment and cleaning up: Carefully sweep up material and wash floor with soap and water. Containerize for solid waste disposal Reference to other sections: Personal protective equipment, see Section 8. Disposal considerations, see Section 13. Section 7 HANDLING AND STORAGE 7.1. Precautions for safe handling: Keep containers tightly closed when not in use. Be aware that causes slippery conditions, and, being conductive, can cause short circuits and other electrical malfunctions. Wash exposed skin with soap and water after handling the product Conditions for safe storage, including any incompatibilities: Store in labelled, closed containers away from heat, spark, open flames and other sources of ignition Specific end use(s): Identified uses are listed in Section 1.2. Section 8 EXPOSURE CONTROLS/PERSONAL PROTECTION 8.1. Control parameters: Dust carbon, carbon black included (LLV): 3 mg/m 3 (Sweden) Exposure controls: Engineering measures: No special measures recommended. Eye/face protection: Use of approved safety glasses, goggles or face shield is recommended. Eye wash should be available. Skin/hand protection: Use cotton gloves. Safety shower should be available. Respiratory protection: Use approved mask (e.g. type P3) if level limit value is exceeded.

4 Page 4 of 6 Environmental exposure controls: None needed or recommended (see Section 6.2). Section 9 PHYSICAL AND CHEMICAL PROPERTIES 9.1. Information on basic physical and chemical properties: Appearance: Solid. Colour: Grey. Odour: None. Odour threshold: Not relevant. ph: Not relevant. Melting point / freezing point: ºC (sublimes). Boiling point / range: Approx ºC. Flash point: Not relevant. Evaporation rate: Not relevant. Flammability (solid, gas): No data available. Explosion limits: No data available. Vapour pressure: 3586ºC. Vapour density: Not relevant. Relative density: No data available. Solubility in water: Insoluble. Solubility in other solvents: No data available. Partition coefficient: n-octanol/water: No data available. Auto-ignition temperature: No data available. Decomposition temperature: Not relevant. Viscosity: Not relevant. Explosive properties: Not relevant. Oxidising properties: Not relevant Other information: No relevant information. Section 10 STABILITY AND REACTIVITY Reactivity: The product is non-reactive under the recommended storage and handling conditions Chemical stability: The product is stable under normal conditions of temperature and pressure Possibility of hazardous reactions: No hazardous reactions are known or reasonably foreseen Conditions to avoid: No conditions to avoid are known or reasonably foreseen Incompatible materials: Strong oxidizing agents, acids and alkalis Hazardous decomposition products: Carbon dioxide and carbon monoxide may be released on burning. Section 11 TOXICOLOGICAL INFORMATION

5 Page 5 of Information on toxicological effects: Based on available data, the classification criteria for relevant hazard classes are not met. Acute toxicity: Oral: LD50 (Rat) > mg/kg (test conducted in 1979 by the American Agency FHSA IUCLID (February 2000)). Inhalation: LC50 (Rat) > 64,4 mg/l (test conducted in 1979 by the American Agency FHSA IUCLID (February 2000)). Germ cell mutagenicity: Based on the available data, petroleum cokes are not considered to be germ cell mutagens (Concawe). Carcinogenicity: Based on the available data, petroleum cokes are not considered carcinogenic (Concawe). Reproductive toxicity: Results indicate that exposure to petroleum coke is unlikely to present a reproductive hazard (Concawe). Inhalation of the dusts should be avoided as even inert dusts may impair respiratory organ functions. No toxic effects are to be expected when the product is handled appropriately. Section 12 ECOLOGICAL INFORMATION Toxicity: LC 50 (fathead minnow) > 1,000 mg/l (API, 2007b), EC 50 (daphnids) > 1,000 mg/l (API, 2007a), IC 50 (algae) > 1,000 mg/l (API, 2006). The ecotoxicity is expected to be low due to low bioavailability Persistence and degradability: Petroleum cokes are not expected to meet the criteria for ready degradability Bioaccumulative potential: Not relevant, the product is insoluble in water Mobility in soil: No data available Results of PBT and vpvb assessment: According to the results of the assessment, this product is not a PBT or a vpvb Other adverse effects: No relevant information. Section 13 DISPOSAL CONSIDERATIONS Waste treatment methods: Dispose of in accordance with national and regional regulations. Section 14 TRANSPORT INFORMATION UN number: Not relevant.

6 Page 6 of UN proper shipping name: Not relevant Transport hazard class(es): Not relevant Packaging group: Not relevant Environmental hazards: Not relevant Special precautions for user: Not relevant Transport in bulk according to Annex II of MARPOL 73/78 and the IBC Code: Not relevant. Section 15 REGULATORY INFORMATION Safety, health and environmental regulations/legislation specific for the substance or mixture: Regulation (EC) No 1907/2006 (Reach). AFS 2011:18 (Occupational Limit Values, Sweden). The information contained in this safety data sheet does not constitute the users own assessment of workplace risks as required by other health and safety legislation Chemical Safety Assessment: Not relevant. Section 16 OTHER INFORMATION Changes to previous revision: Updates to requirements in Reach Article 31 from References: Concawe: Hazard classification and labeling of petroleum substances in the European Economic Area Report no. 10/14. Abbreviations: LLV = Level Limit Value PBT = Persistent Bioaccumulative and Toxic vpvb = very Persistent and very Bioaccumulative Annexes to the Safety Data Sheet: None. End of safety data sheet