P AN AMERIC AN SIL VER 10 1 W e s t or e t ailing s in specializ ed engineer ed f acilitie s using c ons truction methods that v ar y ac c or ding t o the c ont e xt o f e ach mine and loc al c onditions O ur objectiv e is t o ensur e that our f acilitie s and s y s t ems ar e s af e and de signed built oper at ed and clo s ed in ac c or danc e with the Canadian D am S af et y Guideline s and the T SM T ailing s Manag ement P r ot oc ol D uring 2 01 9 P an Americ an Silv er manag ed s e v en oper ating t ailing s f acilitie s one dr y s t ack t ailing s f acilit y at the E s c ob al mine and one lar g e w at er s t or ag e dam at D olor e s Of the s e v en oper ating f acilitie s thr ee ar e do wns tr e am r ais e t ype one is do wns tr e amc ent erline r ais e t ype t w o ar e c ent erline t ype and one is do wns tr e amup s tr e amc ent erline r ais e t ype D uring the y e ar w e c omplet ed the fr s t c y cle o f independent s af et y r e vie w s o f t ailing s and w at er s t or ag e f acilitie s at f ormer P an Americ an Silv er oper ations An independent s af et y r e vie w o f our ne w B ell Cr eek plant t ailing s w as c onduct ed in 2 018 prior t o our ac quisition O ur ne wly ac quir ed E s c ob al mine is curr ently on c ar e and maint enanc e while t w o o f our other ne wly ac quir ed mine s ha v e he ap le ach p ads Independent s af et y r e vie w s will c ontinue on a fv e y e ar b asis depending on the f acilit y risk pr o fle In 2 0 2 0 w e will c onduct independent s af et y r e vie w s o f f acilitie s at Huar on and Alamo D or ado and a s af et y r e vie w with the E ngineer o f R ec or d at E s c ob al O p e r atin g M in e T y p e o f T a i l i n g s F a c ilit y a n d H ea p L ea c h P a d s T a ili n g s S t o rag e R a i s e T y p e I n de p e n de n t F a c ilit y S a f e t y Re v i e w B ell Cr eek 1 oper ating t ailing s f acilit y D o wns tr e am C ent erline 2 018 Shahuindo 1 oper ating he ap le ach p ad N A 2020 L a Ar ena 1 oper ating he ap le ach p ad N A 2020 D olor e s 1 oper ating w at er s t or ag e dam and he ap le ach p ads N A 2 0 17 L a C olor ada 2 oper ating t ailing s f acilitie s D o wns tr e am D o wns tr e am Up s tr e am C ent erline 20 1 9 Huar on 1 oper ating t ailing s f acilit y C ent erline 2 0 14 and 2 015 Mor oc ocha 1 oper ating sub aqueous t ailing s f acilit y D o wns tr e am 2 018 S an V ic ent e 1 oper ating t ailing s f acilit y C ent erline 2 0 17 Manantial E spejo 1 oper ating t ailing s f acilit y D o wns tr e am 2 018 GR I M M3 D uring the y e ar w e c omplet ed the fr s t c y cle o f independent s af et y r e vie w s o f t ailing s and w at er s t or ag e f acilitie s at f ormer P an Americ an Silv er oper ations