Golden Knights GM George McPhee also signed all three of his 2017 first round picks to entry-level contracts on Saturday.
Cody Glass, Nick Suzuki and Erik Brannstrom all agreed to terms with Vegas.
"It's amazing and I feel great about this," said Brannstrom, via phone from Sweden. "I've already begun training and I'm ready to begin the road towards playing in Vegas."
Erik Brannstrom's Whirlwind Summer Continues With First Pro Contract
The defenseman was drafted 15th overall in this June's NHL Draft