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TEXAS RACING COMMISSION Classification Guidelines for Foreign Substances For Substances marked with *, see Special Notes at end Trade Name(s) Class Penalty ∆-1-androstene-3, 17-diol 3 A ∆-1-androstene-3, 17-dione 3 A ∆-1- 3 A 19-Norandrostenediol 3 B 19-Norandrostenedione 3 B 2-Aminoheptane Tuamine 4 3,4-methylenedioxypyprovalerone MDPV, “bath salts” 1 A 3-Methoxytyramine 3-MT 2 A 4-Hydroxytestosterone 3 B Sectral 3 B 2 A Acenocoumarol 5 Atrovet, Notensil, PromAce® 3 B Acetaminophen () Tylenol, Tempra, etc. 4 Acetanilid 4 Diamox, Vetamox 4 Tindal 2 A Acetophenetidin () 4 Acetylsalicylic acid () 4 a- 1 A 2 A Adrenochrome monosemicarbazone 4 salicylate Albuterol () Proventil, Ventolin 3 B 2 B Alclometasone Aclovate 4 Alcuronium Alloferin 2 A Aldosterone Aldocortin, Electrocortin 4 Alfenta 1 A Axert 3 A Alphaprodine Nisentil 2 A Anaxyl 2 A Xanax 2 A 2 A Althesin Saffan 2 A Ambenonium Mytelase, Myeuran 3 B Ambroxol Ambril, etc. 4 Amcinonide Cyclocort 4 Moduretic; Midamor 4 Aminocaproic acid Amicar, Caprocid 4 Aminophylline Aminophyllin, etc. 3 B Aminopyrine 4 Aminoxafen, Aminoxaphen, Apiquel, 1 A McN-742, Menocil Amiodarone 4 Amisometradine Rolictron 4 Solian 2 A Mitaban 3 B Elavil, Amitril, Endep 2 A Amlodipine Ammivin, Norvasc 3 B Amytal 2 A Asendin 2 A 2 A 1 A Amrinone 4 Amyl nitrite 2 A Leritine 1 A Anisine 2 A Anisindione 5 Anisotropine Valpin 4 Antipyrine 4

Equine_Drug_Classifications_2017_Rev_VI_MasterOnly.xlsx May 12, 2017 1 of 16 TEXAS RACING COMMISSION Classification Guidelines for Foreign Substances For Substances marked with *, see Special Notes at end Drug Trade Name(s) Class Penalty Apazone () Rheumox 4 1 A Aprindine 4 Alurate 2 A 3 A 3 B Articaine Septocaine; Ultracaine, etc. 2 B Tenormin 3 B Atipamazole 2 B Atomoxetine Strattera 2 A Atracurium Tracrium 2 A 3 B Azacylonol Frenque 2 A Stresnil, Suicalm, Fentaz (with 2 A ) Lioresal 4 Veronal 2 A 2 A Beclomethasone Propaderm 4 Megimide, Mikedimide 2 A Benazepril Lotrel, Lotensin 3 A Naturetin 4 2 B Benoxinate Dorsacaine 4 Anquil 2 A Tiadipona 2 A Benzactizine Deprol, Bronchodiletten 2 A Benzocaine 4 2 A 2 A Benzonatate Tessalon, Tessalon Perles, Zonatuss 2 A Didrex 2 A Benzthiazide 4 Benztropine Cogentin 2 A (BZP) 1 A Bepridil Bepadin 4 Betamethasone Betasone, etc. 4 Kerlone 3 B Urecholine, Duvoid 4 Bethanidine Esbatal 3 A Akineton 3 A Biriperone 2 A Zebeta, Bisobloc, etc. 3 B Effectin 3 A Bolasterone 3 A Boldenone Equipoise 3 B Boldione 3 A Bretylium Bretylol 3 B Alphagan 2 A Lexotan, Lectopam 2 A Duract 3 A Bromhexine Oletor, etc. 4 Bromisovalum Diffucord, etc. 2 A Parlodel 2 A Bromodiphenhydramine 3 B Bromidol 2 A Dimetane, Disomer 3 B Brotocol 2 A Budesonide Pulmacort, Rhinocort 4 3 A Bumex 3 B

Equine_Drug_Classifications_2017_Rev_VI_MasterOnly.xlsx May 12, 2017 2 of 16 TEXAS RACING COMMISSION Classification Guidelines for Foreign Substances For Substances marked with *, see Special Notes at end Drug Trade Name(s) Class Penalty Bupivacaine Marcaine 2 A Temgesic 2 A Buproprion Wellbutrin 2 A Buspar 2 A (Secbutobarbitone) Butacaps, Butasol, etc. 2 A Butacaine Butyn 2 A () Fiorinal 2 A Butamben (butyl aminobenzoate) Butesin 4 Butanilicaine Hostacain 2 A Repoise 2 A Butoctamide Listomin 2 A Stadol, Torbugesic 3 B Butoxycaine Stadacain 4 2 B Calusterone Methosorb 3 A Paxor 2 A 4 Candesartan Atcand 3 B Covatine 2 A Captopril Capolen 3 B Carbacel, Conducton 3 A Lentin, Doryl 3 B Carbamezapine Tegretol 3 B 4 + levodopa Sinemet 2 A Clistin 3 B Carbon Dioxide (TC02) 3 B* Carbromol Mifudorm 2 A 1 A Rela, Soma 2 B Carphenazine Proketazine 2 A Prazinil 2 A Rimadyl 4 Cartrol 3 B Carticaine (see articaine) Septocaine; Ultracaine, etc. 2 B Coreg 3 B (khat, kat, qat, quat, chat, 1 A catha, Abyssinian tea, African tea) Celebrex 3 B Zyrtec 4 betaine Beta-Chlor 2 A Nactec, Oridrate, etc. 2 A Chloraldehyde (chloral) 2 A (Alpha-Chloralose) 2 A Librium 2 A Chlorhexidol 2 A Chlormerodrin Neohydrin 4 Trancopal 2 A 2 A Chlorophenesin Maolate 4 Chloroprocaine Nesacaine 2 A Chloroquine Avloclor 4 Diuril 4 Chlorpheniramine Chlortriemton, etc. 4 Newiplege 2 A Thorazine, Largactil 1 A Taractan 2 A Chlorthalidone Hydroton 4 Paraflex 4 Ciclesonide 4

Equine_Drug_Classifications_2017_Rev_VI_MasterOnly.xlsx May 12, 2017 3 of 16 TEXAS RACING COMMISSION Classification Guidelines for Foreign Substances For Substances marked with *, see Special Notes at end Drug Trade Name(s) Class Penalty Cilostazol Pletal 4 Cimeterol 3 A Tagamet 5 Cinchocaine Nupercaine 2 B Celex 2 A Clanobutin 4 Tavist 3 B Ventipulmin 3 B Clibucaine Batrax 2 A Clidinium Quarezan, Clindex, etc. 3 B Urbanyl 2 A Clobetasol Temovate 4 2 A Clocortolone Cloderm 4 4 (Chlormethiazole) 2 A Anafranil 2 A Klonopin 2 A Catapres 3 B Tranxene 2 A Clormecaine Placacid 2 A Clostebol 3 A Clothiapine Entermin 2 A Trecalmo, Rize 2 A Enadel, Sepazon, Tolestan 2 A Clozaril, Leponex 2 A Cobalt 3 B 1 A* 1 A Colchicine 4 Conorphone 2 A Corticaine Ultracain 2 A Cortisone Cortone, etc. 4 Cromolyn Intel 5 Crotetamide 2 A Tercian 2 A Cyclandelate Cyclospasmol 3 A Merazine 3 B Phanodorm 2 A Flexeril 4 Cyclomethylcaine Surfacaine 4 Anhydron, Renazide 4 Pagitane 3 B Periactin 3 B Danazol Danocrine 3 B Dantrium 4 Darbepoetin Aranesp 1 A Syncurine 2 A Dehydrochloromethyltestosterone 3 A Dembroxol (Dembrexine) Sputolysin 4 2 A Percortin, DOCA, Descotone, Deoxycorticosterone 4 Dorcostrin Deremaxx 3 B 1 A Norpromine, Pertofrane 2 A Desonite Des Owen 4 Desoximetasone Topicort 4 Desoxymethyltestosterone 3 A Dormosedan 3 B Dexamethasone Azium, etc. 4

Equine_Drug_Classifications_2017_Rev_VI_MasterOnly.xlsx May 12, 2017 4 of 16 TEXAS RACING COMMISSION Classification Guidelines for Foreign Substances For Substances marked with *, see Special Notes at end Drug Trade Name(s) Class Penalty 4 Palfium, Narcolo 1 A Darvon 3 B Dalgan 2 A Diamorphine 1 A Valium 3 B Diazoxide Proglycem 3 B Dibucaine Nupercainal, Cinchocaine 2 B Febenol, Isocom 2 A Dichlorphenamide Daramide 4 Voltaren, Voltarol 4 Dicumarol Dicumarol 5 Diethylpropion Tepanil, etc. 2 A Themalon 2 A Diflorasone Florone, Maxiflor 4 Diflucortolone Flu-Cortinest, etc. 4 3 B Digitoxin Crystodigin 4 Digoxin Lanoxin 4 Parcodin 2 A 4 Dilorazepam Briantum 2 A Diltiazem Cardizem 4 Dimefline 3 A Dimethisoquin Quotane 4 Dimethylsulfoxide (DMSO) Domoso 4 * 5 Benadryl 3 B Difenoxin, Lomotil 4 M50/50 2 A Dipyridamole Persantine 3 B Dipyrone Novin, Methampyrone 4 Disopyramide Norpace 4 Divalproex Depakote 3 A Esucos 2 A Dobutrex 3 B Aricept 1 A Intropin 2 A Doxacurium Nuromax 2 A Doxapram Dopram 2 A 3 A Doxans 2 A Adapin, Sinequan 2 A Decapryn 3 B Dromostanolone Drolban 3 B Inapsine, Droleptan, Innovar-Vet 2 A (with Fentanyl) 2 A Dyclonine Dyclone 4 Dyphylline 3 B Edrophonium Tensilon 3 B Eletripan Relpax 3 A Eltenac 4 Enalapril (metabolite enaloprilat) Vasotec 3 A 2 A Endorphins 1 A Enkephalins 1 A 2 A 2 A Epinephrine 2 A

Equine_Drug_Classifications_2017_Rev_VI_MasterOnly.xlsx May 12, 2017 5 of 16 TEXAS RACING COMMISSION Classification Guidelines for Foreign Substances For Substances marked with *, see Special Notes at end Drug Trade Name(s) Class Penalty mesylates ( mesylate, 2 A mesylate, and mesylate) Ergonovine Ergotrate 4 Gynergen, Cafergot, etc. 4 Erthrityl tetranitrate Cardilate 3 A Erythropoietin(EPO) Epogen, Procrit, etc. 1 A Esmolol Brevibloc 3 B Esomeprazole Nexium 5 Domnamid, Eurodin, Nuctalon 2 A 2 A Etamiphylline 3 B Etanercept Enbrel 4 Ethacrynic acid Edecrin 3 B Ethamivan 2 A 2 A Placidyl 2 A Valmid 2 A Zactane 2 A Ethopropazine Parsidol 2 A Ethosuximide Zarontin 3 A Ethotoin Peganone 4 Ethoxzolamide Cardrase, Ethamide 4 Ethylaminobenzoate (Benzocaine) Semets, etc. 4 Ethylestrenol Maxibolin, Organon 3 B Ethylisobutrazine Diquel 2 A Dionin 1 A Ethylnorepinephrine Bronkephrine 3 A Ethylphenidate 1 A Etidocaine Duranest 2 A Etifoxin Stresam 2 A Depas, Pasaden 2 A Lodine 3 B Indunox 2 A 2 A HCl M99 1 A Gaster, etc. 5 Felbatol 3 B Felodipine Plendil 4 Fenarbamate Tymium 2 A Cincopal 3 B Myalex 2 B Pondimin 2 A Corlopam 3 B Nalfon 3 B Berotec 3 B Respiride, Respan, etc 3 B Fentanyl Sublimaze 1 A 3 B Allegra 4 Firocoxib 4 Flecainide Idalon 4 Idalon, Idarac 4 Sedalande 2 A Erispam 2 A Fludrocortisone Alforone, etc. 4 3 B Flumethasone Flucort, etc. 4 Flumethiazide Ademol 4 Sibelium 4

Equine_Drug_Classifications_2017_Rev_VI_MasterOnly.xlsx May 12, 2017 6 of 16 TEXAS RACING COMMISSION Classification Guidelines for Foreign Substances For Substances marked with *, see Special Notes at end Drug Trade Name(s) Class Penalty Flunisolide Bronilide, etc. 4 Rohypnol, Narcozep, Darkene, 2 A Hypnodorm Banamine 4 Fluocinolone Synalar 4 Fluocinonide Licon, Lidex 4 Fluopromazine Psyquil, Siquil 2 A Fluoresone Caducid 2 A Fluorometholone FML 4 Fluoroprednisolone Prednisolone 4 Prozac 2 A Fluoxymesterone Halotestin 3 B Flupenthixol Depixol, Fluanxol 2 A Prolixin, Permitil, Anatensol, etc. 2 B Katadolone 3 A Fluprednisolone Alphadrol 4 Flurandrenolide Cordran 4 Dalmane 2 A Froben 3 B Imap, Redeptin 2 A Fluticasone Flixonase, Flutide 4 Restas 2 A Dumirox, Faverin, etc. 2 A Formebolone 3 A Altram 3 B Fosinopril, metabolite, Fosinoprilat Monopril 3 A Fosphenytoin Cerebyx 3 B Furazabol 3 A Lasix N/A * Neurontin 3 B Reminyl 2 A Gallamine Flaxedil 2 A Gamma Aminobutryic Acid (GABA) Carolina Gold 3 B 2 A Gestrinone 3 A Doriden 2 A Glycopyrrolate Robinul 4 ( guiacolate) Gecolate 4 Wytensin 3 B Guanadrel Hylorel 3 A Ismelin 3 A Paxipam 2 A Halcinonide Halog 4 Halobetasol Ultravate 4 Haldol 2 A Somelin 2 A Hemoglobin glutamers Oxyglobin Hemopure 2 A Heptaminol Corofundol 3 B 1 A Hexafluorenium Myalexen 2 A Evipal 2 A Tral 4 Hexylcaine Cyclaine 2 B Homapin 3 B Homophenazine Pelvichthol 2 A Hydralazine Apresoline 3 B Hydrochlorthiazide Hydrodiuril 4 (dihydrocodienone) Hycodan 1 A Hydrocortisone (Cortisol) Cortef, etc. 4

Equine_Drug_Classifications_2017_Rev_VI_MasterOnly.xlsx May 12, 2017 7 of 16 TEXAS RACING COMMISSION Classification Guidelines for Foreign Substances For Substances marked with *, see Special Notes at end Drug Trade Name(s) Class Penalty Saluron 4 Dilaudid 1 A Hydroxyamphetamine Paradrine 1 A Atarax 2 B Ibomal Noctal 2 A Motrin, Advil, Nurpin, etc. 4 Ibutilide Corvert 3 B Ventavis 3 A Imavate, Presamine, Tofranil 2 A Indomethacin Indocin 3 B Infliximab Remicade 4 Ipratropium 3 B Irbesarten Avapro 3 A Isapirone 2 A Isocarboxazid Marplan 2 A Isoetharine Bronkosol 3 B Isoflupredone Predef-2X 4 2 A Octin, Octon 4 Darbid 4 Isoproterenol Isoprel 2 A Isosorbide dinitrate Isordil 3 B Maxicam 2 B Vasodilan 4 Isradipine DynaCirc 4 3 B Ketalar, Ketaset, Vetalar 2 B Anxon, Laftram, Solatran, Loftran 2 A Orudis 4 Toradol 3 A Normodyne 3 B Lamictal 3 A Lansoprazole 5 Elanone-V 2 A Letosteine Viscotiol, Visiotal 4 2 B Betagan 3 B 2 A Levo-Dremoran 1 A Xylocaine 2 B Lisinopril Prinivil, Zestril 3 A Lithium Lithizine, Duralith, etc. 2 A 2 A 1 A Loflazepate, Ethyl Victan 2 A Imodium 3 B Dormonort, Havlane 2 A Loratidine Claritin 4 Ativan 2 A Noctamid 2 A Losartan Hyzaar 3 B Laxitane 2 A 3 A Ludiomil 2 A Mazindol Sanorex 1 A Axiten, Dormate, Capla 2 A Inversine 3 B Antivert, Bonine 3 B Arquel 4 Lucidiril, etc. 2 A Nobrium, etc. 2 A

Equine_Drug_Classifications_2017_Rev_VI_MasterOnly.xlsx May 12, 2017 8 of 16 TEXAS RACING COMMISSION Classification Guidelines for Foreign Substances For Substances marked with *, see Special Notes at end Drug Trade Name(s) Class Penalty Domitor 3 B Medrysone Medriusar, etc. 4 Ponstel 3 B Meldonium Mildronate-ET EL 1 A Mobic 4 Eunerpan 2 A Namenda 2 A Meparfynol Oblivon 2 A Mepazine Pacatal 2 A Cantil 3 B Meperidine Demerol 1 A Tolserol 4 Control, etc. 2 A Mephentermine Wyamine 1 A Mephenytoin Mesantoin 2 A Mephobarbital () Mebaral 2 A Mepivacaine Carbocaine 2 B Equanil, Miltown 2 A Mercuhydrin 4 Merbaphen Novasural 4 Mercaptomerin Thiomerin 4 Mercumalilin Cumertilin 4 Salyrgan 4 Mesalamine Asacol 5 Serentil 2 A Mestanolone 3 A Mesterolone 3 A Talis 2 A Metaproterenol Alupent, Metaprel 3 B Aramine 1 A Skelaxin 4 2 A Methenolone Primobolan 3 A 3 A Dolophine 1 A Desoxyn 1 A* Methandienone 3 B Methandriol (Methylandrostenediol) Probolic 3 A

Methandrostenolone (Methandienone) Dianabol 3 A Banthine 3 B Histadyl, etc. 3 B Quaalude 1 A Gemonil 2 A Methasterone 3 A Methazolamide Naptazane 4 1 A Tacaryl 3 B Methixene Trest 3 A Robaxin 4 Brevital 2 A Methotrexate Folex, Nexate, etc. 4 Methotrimeprazine Levoprome, Neurocil, etc. 2 A Vasoxyl 3 A Orthoxide 3 A Methscopolamine Pamine 4 Methsuximide Celontin 4 Methyl-1- 3 A 3 B

Equine_Drug_Classifications_2017_Rev_VI_MasterOnly.xlsx May 12, 2017 9 of 16 TEXAS RACING COMMISSION Classification Guidelines for Foreign Substances For Substances marked with *, see Special Notes at end Drug Trade Name(s) Class Penalty Methylchlorthiazide Enduron 4 Methyldienolone 3 A Aldomet 3 A Methylergonovine Methergine 4 Methylhexanamine Geranamine 1 A (Methylhexaneamine) Methylnortestosterone (Trestolone) 3 A Ritalin 1 A Methylprednisolone Medrol 4 Methyltestosterone Metandren 3 B Noludar 2 A Sansert 4 4 Reglan 4 Metubine 2 A 3 B Hypnodil 2 A (methydihydromorphinone) 1 A Lopressor 3 B Melex 2 A Mexilitine Mexilil 4 Mibefradil Posicor 3 B Mibolerone 3 B Versed 3 B Pro-Amiline 3 B Milrinone 4 Minoxidil Loniten 3 B Mirtazepine Remeron 2 A Misoprostel Cytotec 5 Mivacurium Mivacron 2 A Provigil 2 A Moexipril (metabolite, moexiprilat) Uniretic 3 B Moban 2 A Mometasone Elocon 4 Montelukast Singulair 4 Luvatren 2 A 1 A* Mosaprimine 2 A 3 A myo-inositol trispyrophosphate (ITPP) 1 A Anthraxan, Relafen, Reliflex 3 A Nadol Corgard 3 B Naepaine Amylsine 2 A Nubain 2 A Nalline, Lethidrone 2 A Narcan 3 B Revia 3 B Nandrolone Nandrolin, Laurabolin, Durabolin 3 B Privine 4 Equiproxen, Naprosyn 4 Amerge 3 B N-Butylscopolamine 4 3 A Nedocromil Tilade 5 Serzone 2 A 3 A Neostigmine Prostigmine 3 B

Equine_Drug_Classifications_2017_Rev_VI_MasterOnly.xlsx May 12, 2017 10 of 16 TEXAS RACING COMMISSION Classification Guidelines for Foreign Substances For Substances marked with *, see Special Notes at end Drug Trade Name(s) Class Penalty Cardine 4 Nifedipine Procardia 4 Nifluril 3 B Nikethamide Coramine 1 A 3 B Erimin 2 A Nimodipine Nemotop 4 Mogadon 2 A Nitroglycerin 2 B Axid 5 Norbolethone/Norboletone 3 A Norclostebol 3 A Nordiazepam Calmday, Nordaz, etc. 2 A 2 A Norethandrolone 3 A Nortestosterone 3 B Aventyl, Pamelor 2 A Nylidrine Arlidin 3 A Olanzepine Zyprexa 2 A Olmesartan Benicar 3 A Olsalazine Dipentum 5 Omeprazole Prilosec, Losec 5 Norlfex 4 Oxabolone 3 A Oxandrolone Anavar 3 B Daypro, Deflam 4 Serax 2 A Serenal 2 A Trileptal 3 A (hydroxyephedrine) 2 A Trasicor 3 A Percodan 1 A Oxymesterone 3 A Afrin 4 Oxymetholone Adroyd, Anadrol 3 B Numorphan 1 A Oxyperitine Forit, Integrin 2 A Tandearil 4 Daricon 4 Oxyphenonium Antrenyl 4 2 A Pancuronium Pavulon 2 A Pantoprazole Protonix 5 Pavagen, etc. 3 A Paral 2 A Paramethadione Paradione 3 A Paramethasone Haldrone 4 Eutonyl 3 A Paxil, Seroxat 2 A Pemoline Cylert 1 A Levatol 3 B Cyperon 2 A Pentaerythritol tetranitrate Duotrate 3 A Talwin 3 B Nembutal 2 A Pentoxyfylline Trental, Vazofirin 4 Metrazol, Nioric 1 A Taxilan 2 A Perfluorocarbons 2 A Perfluorodecahydronophthalene 2 A Perfluorodecolin 2 A

Equine_Drug_Classifications_2017_Rev_VI_MasterOnly.xlsx May 12, 2017 11 of 16 TEXAS RACING COMMISSION Classification Guidelines for Foreign Substances For Substances marked with *, see Special Notes at end Drug Trade Name(s) Class Penalty Perfluorooctylbromide 2 A Perfluorotripropylamine 2 A Permax 3 B Alodept, etc. 2 A Perindopril Biprel 3 A Hypnodin 2 A Trilafon 2 A Phenacemide Phenurone 4 Acalo, Alcamid, etc. 2 A Narphen 1 A (PCP) Sernylan 1 A Bontril, etc. 1 A Nardelzine, Nardil 2 A Phenindione Hedulin 5 Preludin 1 A Luminal 2 A Dibenzyline 3 B Phenprocoumon Liquamar 5 Phensuximide Milontin 4 Iomamin 2 A Regitine 3 B Butazolidin 4 * Isophrin, Neo- 3 B Propadrine 3 B Dilantin 4 Physostigmine Eserine 3 A 1 A Alvodine, Cimadon 2 A Orap 2 A Domar 2 A Viskin 3 A Dipiperon 2 A Pipecuronium Arduan 2 A 2 A Psymod, Quide 2 A Piperocaine Metycaine 2 A Lonseren, Piportil 2 A Pipradrol Dataril, Gerondyl, etc. 2 A 2 A Maxair 3 B Pirenzapine Gastrozepin 5 Arelix, Tauliz 3 B 1 A Feldene 4 Polyethylene glycol 5 Renese 4 Pramoxine Tronothaine 4 Verstran, Centrax 2 A Minipress 3 B Prednisolone Delta-Cortef, etc. 4 Prednisone Meticorten, etc. 4 Prilocaine Citanest 2 B Mysoline 3 B Probenecid 4 Procainamide Pronestyl 4 Procaine 3 B Pro Air 3 A Darbazine, Compazine 2 A Kemadrin 3 B Sparine 3 B Phenergan 3 B

Equine_Drug_Classifications_2017_Rev_VI_MasterOnly.xlsx May 12, 2017 12 of 16 TEXAS RACING COMMISSION Classification Guidelines for Foreign Substances For Substances marked with *, see Special Notes at end Drug Trade Name(s) Class Penalty Rythmol 4 2 A Propantheline Pro-Banthine 3 B Proparacaine Ophthaine 4 Propentophylline Karsivan 3 B Largon 2 A Propionylpromazine Tranvet 2 A 2 A Diprivan, Disoprivan 2 A Propoxycaine Ravocaine 2 A Inderal 3 B Propylhexedrine Benzedrex 4 Prostanazol 3 A Dominal 2 A Ventaire 3 A Concordin, Triptil 2 A Axeen, Centralgol 2 A Cenafed, Novafed 3 B Pyridostigmine Mestinon, Regonol 3 B Pyrilamine Neoantergan, Equihist 3 B Hybersulfan, Sonodor 2 A Quazipam Doral 2 A Seroquel 2 A Quinapril, metabolite Quinaprilat Accupril 3 A Quinbolone 3 A Quinidex, Quinicardine 4 Rabeprazole Aciphex 5 Racemethorphan 2 A 2 A 2 A Paylean 2 A Ramipril, metabolite Ramiprilat Altace 3 A Zantac 5 Ultiva 1 A Roxiam 2 A Serpasil 2 B 2 A 2 A 2 A Yutopar 3 B Rivastigmine Exelon 2 A Maxalt 3 B Rocuronium Zemuron 2 A Vioxx 2 B Sedivet 3 B Ropivacaine Naropin 2 A 4 Salicylate 4 3 B (Hyoscine) Triptone 4 (Quinalbarbitone) Seconal 2 A Eldepryl, Jumex, etc. 2 A Lustral, Zoloft 2 A Meridia 3 B Viagra 3 A Snake Venoms 1 A Somatrem Protropin 2 A Somatropin Nutropin 2 A Betapace, Sotacor 3 B Spiclomazine 2 A 2 A

Equine_Drug_Classifications_2017_Rev_VI_MasterOnly.xlsx May 12, 2017 13 of 16 TEXAS RACING COMMISSION Classification Guidelines for Foreign Substances For Substances marked with *, see Special Notes at end Drug Trade Name(s) Class Penalty Spirapril, metabolite Spiraprilat Renomax 3 A Spironalactone Aldactone 4 Stanozolol Winstrol-V 3 B Stenbolone 3 A 1 A Succinylcholine Sucostrin, Quelin, etc. 2 A Sufenta 1 A Sulfasalazine Azulfidine, Azaline 4 Sulfondiethylmethane 2 A 2 A Inofal 2 A Clinoril 3 B Aiglonyl, Sulpitil 2 A Barnetil 2 A Imitrex 3 B Synthetic Spice, K2, Kronic 1 A Tadalasil Cialis 3 A Talbutal Lotusate 2 A 2 A Telmisartin Micardis 3 B Restoril 2 A Alganex, etc. 3 B 3 B Hytrin 3 A Brethine, Bricanyl 3 B Seldane, Triludan 4 Testolactone Teslac 3 B Testosterone 3 B Nitoman 2 A Tetracaine Pontocaine 2 A Tetrahydrogestrinone 3 A Tetrahydrozoline Tyzine 4 Musaril, Myolastin 2 A 2 A 4 Theophylline Aqualphyllin, etc. 3 B Kemithal 2 A Surital 2 A Torecan 2 A Thiopental Pentothal 2 A Dartal 2 A Majeptil 2 A Mellaril 2 A Thiosalicylate 4 Thiothixene Navane 2 A Thiphenamil Trocinate 4 Italprid, Luxoben, etc. 2 A Surgam 3 B Component of Telazol 2 A Tolopelon 2 A

Equine_Drug_Classifications_2017_Rev_VI_MasterOnly.xlsx May 12, 2017 14 of 16 TEXAS RACING COMMISSION Classification Guidelines for Foreign Substances For Substances marked with *, see Special Notes at end Drug Trade Name(s) Class Penalty Blocardrin 3 B Tocainide Tonocard 4 Grandaxain, Seriel 2 A Priscoline 3 B Tolectin 3 B Topirimate Topamax 2 A Torsemide () Demadex 3 A Ultram 2 B Trandolapril (and metabolite, Tarka 3 B trandolaprilat) Tranexamic acid 4 Parnate 2 A Desyrel 2 A Trenbolone Finoplix 3 B Inolin 2 A Triamcinolone Vetalog, etc. 4 Dyrenium 4 Halcion 2 A Tribromethanol 2 A Tricaine methanesulfonate Finquel 2 A Naqua, Naquasone 4 Trichloroethanol 2 A Tricholoethylene Trilene, Trimar 2 A Triclos 2 A Pathilon 4 Trifluomeprazine Nortran 2 A Stelazine 2 A Triperidol 2 A Vetame, Vesprin 2 A Trihexylphenidyl Artane 3 A Trimeprazine Temaril 4 Trimethadione Tridione 3 B Trimethaphan Arfonad 3 A Surmontil 2 A PBZ 3 B Actidil 3 B Tubocurarine () Metubin 2 A Benvil, Nospan, etc. 2 A Urethane 2 A 2 B 3 A Nirvanyl 2 A Valsartan Diovan 3 B Levitra 3 A 4 Efflexor 2 A Accional, Veralipril 2 A Calan, Isoptin 4 Vercuronium Norcuron 2 A Catatrol, Vivalan, etc. 2 A Delvinol 2 A Optanox, Speda 2 A Coumadin, Coufarin 5 Rompun, Bay Va 1470 3 B Otrivin 4 2 B Zafirlukast Accolate 4 Sonata 2 A Zeranol Ralgro 4 1 A Zileuton Zyflo 4

Equine_Drug_Classifications_2017_Rev_VI_MasterOnly.xlsx May 12, 2017 15 of 16 TEXAS RACING COMMISSION Classification Guidelines for Foreign Substances For Substances marked with *, see Special Notes at end Drug Trade Name(s) Class Penalty hydrochloride Zilpaterol 2 A Geoden 2 A 2 A Zomig 3 B Ambien, Stilnox 2 A Zomax 2 B Zonisamide Zonegran 3 B Imovan 2 A Lodopin 2 A Ciatyl, Cesordinol 2 A

Special Notes:

CARBON DIOXIDE (TC02) See penalties set out in Equine Classification Policy and Penalty Guidelines.

COCAINE If it is determined by the Stewards that the administration of cocaine was unintentional and not based upon an attempt to affect the outcome of a race, the Stewards may elect to assign a Class B penalty to the trainer.

DIMETHYSULFOXIDE (DMSO) See penalties set out in Equine Medication Classification Policy and Penalty Guidelines.

FUROSIMIDE See penalties set out in Equine Medication Classification Policy and Penalty Guidelines.

METHAMPHETAMINE Recommended Penalty B if testing can prove presence of only levo-methamphetamine is present in sample.

MORPHINE If it is determined by the Stewards that the administration of morphine was unintentional and not based upon an attempt to affect the outcome of a race, the Stewards may elect to assign a Class B penalty to the trainer.

PHENYLBUTAZONE See penalties set out in Equine Medication Classification Policy and Penalty Guidelines.

Equine_Drug_Classifications_2017_Rev_VI_MasterOnly.xlsx May 12, 2017 16 of 16