Product (1:10 Product-to Oil ratio) Dispersant Effectiveness (% retained after 10 min) Prudhoe Bay Crude South Louisiana Crude Average of Crude Oils Accell® Clean DWD 58.7 96.03 77.37 Biodispers 51.00 63.00 57.00 Corexit® EC9500A 45.30 54.70 50.00 Corexit® EC9527A 37.40 63.40 50.40 Dispersit SPC 1000™ 40.00 100.00 73.00 Finasol OSR 52 32.50 71.60 52.10 JD-109 26.00 91.00 58.50 JD-2000™ 60.40 77.80 69.10 Mare Clean 200 63.97 84.14 74.06 Neos AB3000 19.70 89.80 54.80 Nokomis 3-AA 63.20 65.70 64.50 Nokomis 3-F4 62.20 64.90 63.56 Saf-Ron Gold 84.80 53.80 69.30 Sea Brat #4 53.55 60.65 57.10 ZI-400 50.10 89.80 69.90

Table 1: Accell® Clean DWD efficiency as dispersant according to a standard bench test with two types of oil, as compared to other dispersants in the EPA NCP listing.