Information on Competitive Products For investor use only; not to be used for other purposes. v9-7-21-14 Efficacy and Safety Data Reporting Median Baseline and Median Percent (%) Change from Baseline in Lipid Parameters From Package Inserts of FDA Approved EPA/DHA-based Drugs at 4g/day dose Lovaza [brand/generic]1,2,3 Product (4g/day) Harris 19975 Pownall 19996 (N=42) Section 14 Clinical Studies (N = patients randomized to study drug) Statin or Statin and/or Ezetimibe Use (all arms) Lipid Parameter (mg/dL), Studies Stratified by Median Baseline TG Level for 4 g/day Study Drug Arm Studies in which TG baseline median for study drug arm was >500 and <750/mg/dL Studies in which TG baseline median for study drug arm was >750 mg/dL LDL-C Non-HDL- C TC VLDL-C HDL-C APO B Omtryg3 Epanova4 NCT01229566 20123,7a (N=103) NCT01229566 20123,7a (N=104) Kastelein 20148 (N=99) Statin ( 21%) Statin (21%) Statin and/or Ezetimibe (35%) % Change vs. Placebo Baseline % Change vs. Placebo Baseline % Change vs. Placebo Baseline % Change vs placebo Baseline - - -14.0* 655 -12.2* 702 -21*** 655 -51.6 816 - - - - - - +49.3 -10.2 -8.0 -40.8 +9.1 89 271 296 175 22 +24.7** -8.5 -6.9 -28.7** +3.9 78 237 270 153 28 +15 -10** -9 -21 +4† +2 90 225 254 126 29 118 +18.9* 85 -3.5 210 -1.9 244 -23.7* 117 +5.2 30 Not Reported Most Common Adverse Events (AEs) b Incidence (N = patients randomized to study drug) AEs >3% and > placebo N=655 Dyspepsia (3%) Eructation (4%) Taste Perversion (4%) N=315 Diarrhea (15%) Nausea (6%) Abdominal Pain or Discomfort (5%) Eructation (3%) *p < 0.05, **p < 0.01, ***p < 0.001, †p = not significant a This was a head-to-head study of OMTRYG vs. LOVAZA and placebo reported in OMTRYG (omega-3-acid ethyl esters A) capsules [package insert]. Arlington, VA: Trygg Pharma, Inc.; April 2014. b Safety results for OMTRYG reference LOVAZA label. References: 1. LOVAZA (omega-3-acid ethyl esters) capsules [package insert]. Research Triangle Park, NC: GlaxoSmithKline; May 2014. 2. Omega-3-acid ethyl esters capsules USP [package insert]. Sellersville PA: Teva Pharmaceuticals USA; October 2014. 3. OMTRYG (omega-3-acid ethyl esters A) capsules [package insert]. Arlington, VA: Trygg Pharma, Inc.; April 2014. 4. EPANOVA (omega-3-carboxylic acids) capsules [package insert]. Wilmington, DE: AstraZeneca Pharmaceuticals LP; May 2014; excluded from the data reported above are 2g/day and 3g/day daily dose data for Epanova. Epanova at 2g/day, as approved, had baseline TG=[ 717 mg/dL] and TG percent change vs. placebo of [-25]; results at 3g/day are were not reported as they were not meaningfully different than the 2 gram dose. 5. Harris WS, et al. Safety and efficacy of Omacor in severe hypertriglyceridemia. J Cardiovasc Risk. 1997;4:385-91. 6. Pownall HJ, et al. Correlation of serum triglyceride and its reduction by v-3 fatty acids with lipid transfer activity and the neutral lipid compositions of high-density and low-density lipoproteins. Atherosclerosis. 1999;143:285-297. 7. Efficacy study to treat subjects with severe hypertriglyceridemia. ClinicalTrials.gov Web site. http://clinicaltrials.gov/ct2/show/NCT01229566 . Published October 21, 2010. Updated November 23, 2011. Accessed June 27, 2014. 8. Kastelein JJP, et al. Omega-3 Free Fatty Acids for the Treatment of Severe Hypertriglyceridemia: The EpanoVa fOr Lowering Very high triglyceridEs (EVOLVE) Trial. J Clin Lipidol. 2014;8:94-106 Note: With the exception of the head-to-head trial reported in the Omtryg label, the above results are not based on head-to-head studies. Trademarks used are not affiliated with Amarin. Lovaza® is a registered trademark of the GlaxoSmithKline group of companies. Omtryg™ is a trademark of Trygg Pharma AS. Epanova® is a registered trademark of the AstraZeneca group of companies. Full prescribing information for each product can be found through the FDA website at http://www.accessdata.fda.gov/Scripts/cder/drugsatfda/index.cfm. For investor use only; not to be used for any other purpose. Additional Information Regarding FDA Approved EPA/DHA-based Drugs1-4 Additional Information from Package Inserts Parameter Lovaza®1,2 Omtryg™3 Omega-3-carboxylic acids • Approximately 850 mg of polyunsaturated fatty acids, including EPA and DHA Omega-3-acid ethyl esters • Approximately 375mg DHA • Approximately 465mg EPA Active Ingredient 1-gram, transparent, soft-gelatin capsules filled with light-yellow oil and bearing the designation LOVAZA Supplied Epanova™4 1.2 grams, transparent soft-gelatin capsules filled with light-yellow oil and bearing the designation TP0001 1-gram, red/brown, polyacrylate-coated, softgelatin capsule bearing the designation OME1 As an adjunct to diet to reduce TG levels in adult patients with severe (≥500 mg/dL) hypertriglyceridemia Indication Limitations of Use • The effect on the risk for pancreatitis in patients with severe hypertriglyceridemia has not been determined. • The effect on cardiovascular mortality and morbidity in patients with severe hypertriglyceridemia has not been determined. WARNINGS and PRECAUTIONS ALT and AST monitoring in patients with hepatic impairment Prolonged bleeding time, periodic monitoring for patients taking anti-platelet agents Increase in LDL-C in some patients, monitoring required periodically Hypersensitivity to Fish/Shellfish More frequent recurrence of AF or Flutter (paroxysmal or persistent) Lovaza1,2 Omtryg3 Epanova4 Outcomes Trial Information Product Outcomes Trial Lovaza No plan disclosed Omtryg Epanova No plan disclosed 5 Not yet enrolling References: 1. LOVAZA (omega-3-acid ethyl esters) capsules [package insert]. Research Triangle Park, NC: GlaxoSmithKline; May 2014. 2. Omega-3-acid ethyl esters capsules USP [package insert]. Sellersville PA: Teva Pharmaceuticals USA; October 2013. 3. OMTRYG (omega-3-acid ethyl esters A) capsules [package insert]. Arlington, VA: Trygg Pharma, Inc.; April 2014. 4. EPANOVA (omega-3-carboxylic acids) capsules [package insert]. Wilmington, DE: AstraZeneca Pharmaceuticals LP; May 2014. 5. ClinicalTrials.gov Web site. http://clinicaltrials.gov/ct2/show/NCT02104817?term=epanova&rank=5. Published April 2, 2014. Updated May 9, 2014. Accessed June 18, 2014. Trademarks used are not affiliated with Amarin. Lovaza® is a registered trademark of the GlaxoSmithKline group of companies. Omtryg™ is a trademark of Trygg Pharma AS. Epanova® is a registered trademark of the AstraZeneca group of companies. Full prescribing information for each product can be found through the FDA website at http://www.accessdata.fda.gov/Scripts/cder/drugsatfda/index.cfm. For investor informational purposes only. Glossary AF: Atrial fibrillation APO B: Apolipoprotein B DHA: Docosahexaenoic acid EPA: Eicosapentaenoic acid FDA: U.S. Food and Drug Administration HDL-C: High-density lipoprotein cholesterol LDL-C: low-density lipoprotein cholesterol (aka “bad cholesterol”) Non–HDL-C: non—high-density lipoprotein cholesterol TC: Total cholesterol TG: Triglyceride VLDL-C: Very-low-density lipoprotein cholesterol