Hibs responded well and created chances for Florian Kamberi and Emerson Hyndman before Martin Boyle raced through to put the ball in the net but saw it ruled out as he had used an arm in the build-up.After the break, the hosts continued to carve out better openings than their opponents with Kamberi unable to make the most of two more opportunities.Boyle then had the ball in the net again but saw the goal chalked off for offside and Oli Shaw fired just past the post shortly after.The sides couldn’t be separated in 90 minutes and in extra time the Dons stepped up. Substitute Stevie May dragged a shot wide and McGinn then failed to hit the target. Hibs had a golden opportunity in the final moments, misdirecting a header from two yards out and he and his teammates were left to rue missed opportunities after a tense shoot-out saw Aberdeen progress. Aberdeen reached the semi-finals of the League Cup after defeating Hibernian 6-5 on penalties after a goalless 120 minutes at Easter Road.Hibs winger Thomas Agyepong hit the bar with the final spot-kick in sudden death to send the Dons through to Hampden.Stevie Mallan had taken Hibs’ first penalty only to see it saved by Joe Lewis, and Niall McGinn had his effort stopped by Adam Bogdan before Scott McKenna put Aberdeen ahead and Agyepong’s miss settled the contest.Neil Lennon’s Hibs side had the better of the opening exchanges but Dominic Ball hit the bar with a free-kick for Aberdeen early on. Gary Mackay-Steven also went close with a shot as the visitors aimed to hit Hibs on the break.