BRIEF-Assurant, Inc. announces notes tender offer
* Assurant Inc - purchase up to $100 million aggregate principal amount of its 6.750% senior notes due 2034
Jan 31 - Fitch Ratings has published a report on Douglas County School District Re. 1, CO. The report is available at 'www.fitchratings.com'.
* Whiting Petroleum - notice to mandatorily convert $716.8 million of outstanding mandatory convertible notes into shares of whiting stock on Dece 19, 2016
* S&P says government development bank for Puerto Rico issuer credit rating lowered to 'D' after missed payments