Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

Citigroup Inc. (“ Citigroup ”) announced today the aggregate principal amounts of the notes set forth in the first table below (the “ Any and All Notes ”) and the second table below (the “ Maximum Tender Notes ”) that were validly tendered and not validly withdrawn prior to 5:00 p.m., New York City time, on August 7, 2015 (the “ Early Tender Date ”) pursuant to its previously announced cash tender offers (each, an “ Offer ” and, collectively, the “ Offers ”) (the Any and All Notes and the Maximum Tender Notes, collectively, the “ Notes ” and each a “ series ” of Notes).

Answer: location_of_formation: Citigroup, New York City; headquarters_location: Citigroup, New York City