Below is the cover letter—see all of it by clicking on the following: http://www.illinois.gov/cms/agency/media/Documents/Gov-SEI-2015.pdf
Note, even though the form was received on May 1, 2015 there is a supplement, SEE: http://www.enewspf.com/latest-news/latest-local/60965-governor-rauner-submits-statements-of-economic-interest.html to apply for access to the supplemental statement.