Exercise to improve ring/pinky stretch

[sequences]

I remember making some comments on a similar question:

Finger Trouble

I have been chasing this as well. I have a couple songs I want to play that have chords too spread out for me to reach. Our goals may be different, but the idea is related. When I began guitar, my fingers really pointed to my palm, especially bending the largest knuckle. Reaching my 4th finger four frets away from the 1st finger was not possible on day one of learning to play. Today, I am trying to reach between frets 3 and 8 at the 5th string. A work in progress, but I see improvement in …

Maybe some other comments in that thread useful for your question as well.