Sentence 1: This was resolved with the Ostrów Agreement -- Jogaila became the Grand Duke of Lithuania while Vytautas retained rights of an overlord .
Sentence 2: This was resolved by the Ostrów agreement -- Jogaila became Grand Duke of Lithuania , while Vytautas retained the rights of an overlord .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?