1 And king Ahasuerus laid a tribute upon the land and upon the islands of the sea. 2 And all the acts of his power and of his might, and the declaration of the greatness of Mordecai, to which the king advanced him, are they not written in the book of the chronicles of the kings of Media and Persia? 3 For Mordecai the Jew was next to king Ahasuerus, great among the Jews, and accepted by the multitude of his brothers, seeking the wealth of his people and speaking peace to all his nation.
[v.3] - The Greek Septuagint contains text that procedes verse 3 which gives an interpretation of the dream Mordecai had in the extra Septuagint text in Chapter 1. You can read the text in this article.