However, the irate Spaniard was not given the responsibility to take the spot kick, with Brighton goalkeeper Mat Ryan then diving full length to his right to keep out Adam's well-struck spot kick.
That wasn't to be the last chance for the home side, who saw Mame Biram Diouf's header in added on time cleared off the line by Albion sub Knockaert. It was one of the most breathless finishes of the season.
Adam's late miss means Stoke remain in the bottom three, while Brighton are three points above the drop zone in 13th.
"All second half we were well on top and got a great goal after Brighton had done really well first half".
Moon, N. Korean Official to Watch Hockey Match Together
It was the first time a member of North Korea's ruling family ever visited the presidential palace, called the Blue House. South Korea puts the blame on Pyongyang saying that they were responsible for the torpedo attack in the high seas.
The on-loan Paris Saint-Germain forward, making his first Stoke appearance since December, had to be led away after being left furious at not being allowed to take the penalty, and Ryan made a fine stop from Adam before the midfielder was then denied by Dunk's excellent tackle.
Chris Hughton's only change for the trip to Staffordshire saw Solly March start ahead of Anthony Knockaert on the right of midfield.
Next up for Albion, Coventry City in the FA Cup 5th round at the Amex next Saturday (17 February).
Shaqiri was much improved after the break and he was somehow able to drag the Potters back into the contest, the playmaker bending a memorable finish into the bottom corner from the edge of the box to restore parity with Stoke's first shot on target after 68 minutes.