diff --git a/exercises/ex1/Makefile b/exercises/ex1/Makefile
new file mode 100644
index 0000000..c6c1368
--- /dev/null
+++ b/exercises/ex1/Makefile
@@ -0,0 +1,17 @@
+F90=nvfortran
+F90FLAGS=-cuda
+
+.PHONY: clean distclean
+
+all:  hello_world.x
+
+hello_world.x: hello_world.f90
+
+%.x: %.f90
+	$(F90) $(F90FLAGS) $< -o $@
+
+distclean: clean
+	rm *.x
+
+clean:
+	rm -f *.o *.mod
diff --git a/exercises/ex1/hello_world.f90 b/exercises/ex1/hello_world.f90
new file mode 100644
index 0000000..17cd66a
--- /dev/null
+++ b/exercises/ex1/hello_world.f90
@@ -0,0 +1,30 @@
+module helloWorld
+  implicit none
+
+contains
+
+  subroutine hello_world_cpu
+    write(*,*) 'hello world from CPU code'
+  end subroutine hello_world_cpu
+
+  attributes(global) subroutine hello_world_cuda
+    write(*,*) 'hello world from CUDA code'
+  end subroutine hello_world_cuda
+
+  attributes(global) subroutine hello_world_cuda_threads
+    write(*,*) 'hello world from thread', threadIdx%x
+  end subroutine hello_world_cuda_threads
+end module helloWorld
+
+program testHelloWorld
+  use cudafor
+  use helloWorld
+
+  implicit none
+
+  integer :: istat
+
+  call hello_world_cpu
+  call hello_world_cuda<<<1, 1>>>
+  istat = cudaDeviceSynchronize() 
+end program testHelloWorld
diff --git a/exercises/ex1/script.sh b/exercises/ex1/script.sh
new file mode 100644
index 0000000..a42041e
--- /dev/null
+++ b/exercises/ex1/script.sh
@@ -0,0 +1,14 @@
+#!/bin/bash -l
+#SBATCH --nodes=1
+#SBATCH --ntasks-per-node=1
+#SBATCH --ntasks-per-core=1
+#SBATCH --cpus-per-task=1
+#SBATCH --gres=gpu:1
+#SBATCH --reservation=spc-cuda-training-12.04
+#SBATCH --account=spc-cuda-training
+#SBATCH --time=0:05:00
+
+module load nvhpc
+
+srun  -n 1 ./hello_world.x > output_hello_world
+