Click image to see more photos. (AP/Michael Conroy)
"Mitt Romney has earned the Republican Presidential nomination through hard-work, a strong organization, and disciplined message of restoring America after nearly four years of failed job-killing policies from President Obama and his administration," Perry said in a statement, according to ABC.
Perry, who dropped out of the GOP race in January, had originally backed Newt Gingrich, who is expected to suspend his presidential campaign next week.
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