diff --git a/ext/DiscreteMarkovChainsExt.jl b/ext/DiscreteMarkovChainsExt.jl
index df8ec4d..35802d0 100644
--- a/ext/DiscreteMarkovChainsExt.jl
+++ b/ext/DiscreteMarkovChainsExt.jl
@@ -3,7 +3,9 @@ module DiscreteMarkovChainsExt
 using BioMarkovChains
 using DiscreteMarkovChains:
     DiscreteMarkovChains, DiscreteMarkovChain,
-    is_absorbing, is_ergodic, is_regular, is_reversible
+    is_absorbing, is_ergodic, is_regular, is_reversible,
+    stationary_distribution, first_passage_probabilities, exit_probabilities,
+    fundamental_matrix, mean_first_passage_time, mean_recurrence_time, mean_time_to_absorption
 
 ## Boolean functions ##
 
@@ -25,6 +27,40 @@ function DiscreteMarkovChains.is_reversible(bmc::BioMarkovChain)
     return is_reversible(DiscreteMarkovChain(bmc.tpm))
 end
 
-## 
+## Probability functions
+
+import DiscreteMarkovChains: stationary_distribution, first_passage_probabilities, exit_probabilities
+
+function DiscreteMarkovChains.exit_probabilities(bmc::BioMarkovChain)
+    return exit_probabilities(DiscreteMarkovChain(bmc.tpm))
+end
+
+function DiscreteMarkovChains.stationary_distribution(bmc::BioMarkovChain)
+    return stationary_distribution(DiscreteMarkovChain(bmc.tpm))
+end
+
+function DiscreteMarkovChains.first_passage_probabilities(bmc::BioMarkovChain, t) # it recieves other args...
+    return first_passage_probabilities(DiscreteMarkovChain(bmc.tpm), t)
+end
+
+## Mean time functions
+
+import DiscreteMarkovChains: fundamental_matrix, mean_first_passage_time, mean_recurrence_time, mean_time_to_absorption
+
+function DiscreteMarkovChains.fundamental_matrix(bmc::BioMarkovChain)
+    return fundamental_matrix(DiscreteMarkovChain(bmc.tpm))
+end
+
+function DiscreteMarkovChains.mean_first_passage_time(bmc::BioMarkovChain)
+    return mean_first_passage_time(DiscreteMarkovChain(bmc.tpm))
+end
+
+function DiscreteMarkovChains.mean_recurrence_time(bmc::BioMarkovChain)
+    return mean_recurrence_time(DiscreteMarkovChain(bmc.tpm))
+end
+
+function DiscreteMarkovChains.mean_time_to_absorption(bmc::BioMarkovChain)
+    return mean_time_to_absorption(DiscreteMarkovChain(bmc.tpm))
+end
 
 end
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