Andy Corbett scored a last-minute penalty for Burton as his testimonial match against Derby finished 8-8 on Tuesday night.
Burton captain John McGrath and defenders Aaron Webster and Nathan Stanton head a list of six players released by the club.
Gary Rowett believes Burton will be a better side next season after they came up short in the League Two play-offs.
Burton boss Gary Rowett insists his side can take plenty of positives from this season despite losing their League Two play-off to Bradford on Sunday.
Nahki Wells scored twice as Bradford won 3-1 (5-4 on agg) at Burton to progress to the League Two play-off final and book another Wembley date.
Burton boss Gary Rowett does not believe his side are favourites to reach the League Two play-off final at Wembley.
Team news for Sunday's League Two play-off semi-final second leg between Burton Albion and Bradford at the Pirelli Stadium (kick-off 12pm).
Burton boss Gary Rowett admitted his side's impressive League Two play-off semi-final first-leg victory at Bradford exceeded his expectations.