Pronoun
Your Excellency (plural Your Excellencies)
(formal) A title of respect used when addressing heads of state other than monarchs, heads of government, governors, ambassadors, certain ecclesiastics, royalty, and others holding equivalent rank.
Furthermore, Lyon had rehearsed how to inspect the guards of honor and people were already addressing him as Your Excellency. Source: Internet
For the avoidance of doubt, Your Excellency, I should make it clear that what is alleged against the Vice President, may or may not be impeachable offences amounting, in the words of section 51 of the Constitution, to “gross misconduct.” Source: Internet
My Dearest Governor, Your Excellency, HRH, Chief-Dr. Source: Internet
"The first man to approach him said, 'Your Excellency, I am the brother of the poor armless wretch who fell to his death from this very belfry yesterday. Source: Internet
“We are confident that Your Excellency will be an excellent ambassador to the world, wherever your distinguished presence may appropriately promote our country’s cause.” Source: Internet
Your Excellency, Alhaji Mamuda Shinkafi, I am proud to say that I have never heard of any quarrel between you and your governor as has been happening elsewhere. Source: Internet