Exodus 6:29
He said to him, "I am the LORD; tell Pharaoh king of Egypt everything that I say to you."

Exodus 3:10
Therefore, go! I am sending you to Pharaoh to bring My people, the Israelites, out of Egypt."

Exodus 5:1, 23
Afterward, Moses and Aaron went to Pharaoh and said, "This is what the LORD, the God of Israel, says: 'Let My people go, so that they may hold a feast to Me in the wilderness.'" . . .

Exodus 7:1
The LORD answered Moses, "See, I have made you like God to Pharaoh, and your brother Aaron will be your prophet.