2010 10-K: Part IV 142 10.9*  Form of Morningstar 2004 Stock Incentive Plan Restricted Stock  Unit Award Agreement for awards made on and after  January 1, 2009 is incorporated by reference to Exhibit 10.10  to our Annual Report on Form 10-K for the year ended  December 31, 2008 (the 2008 10-K). 10.10* Form of Morningstar 2004 Stock Incentive Plan Director  Restricted Stock Unit Award Agreement for awards made  on and after January 1, 2009 is incorporated by reference  to Exhibit 10.11 to the 2008 10-K. 16.1 Letter from Ernst & Young LLP dated as of October 20, 2010  regarding a change in Morningstar’s certified public accoun- tant is incorporated by reference to Exhibit 16.1to our Current  Report on Form 8-K that we filed with the SEC on October  20, 2010. 21.1 † Subsidiaries of Morningstar. 23.1 †  Consent of Ernst & Young LLP. 31.1 †  Certification of Chief Executive Officer pursuant to Rule  13a-14(a) and 15d-14(a) of the Securities Exchange Act of  1934, as amended. 31.2 †  Certification of Chief Financial Officer pursuant to Rule  13a-14(a) and 15d-14(a) of the Securities Exchange Act of  1934, as amended. 32.1 †  Certification of Chief Executive Officer Pursuant to 18 U.S.C.  1350, as adopted pursuant to Section 906 of the Sarbanes- Oxley Act of 2002. 32.2 †  Certification of Chief Financial Officer Pursuant to 18 U.S.C.  1350, as adopted pursuant to Section 906 of the Sarbanes- Oxley Act of 2002. 10.11* Form of Morningstar 2004 Stock Incentive Plan Deferral  Election Form is incorporated by reference to Exhibit 10.3  to the March 2006 10-Q. 10.12* Form of Morningstar 2004 Stock Incentive Plan Director  Deferral Election Form is incorporated by reference to Exhibit  10.4 to the March 2006 10-Q. 10.13* Purchase Agreement dated April 30, 2003 between  Morningstar and Patrick Reinkemeyer is incorporated by  reference to Exhibit 10.8 to the Registration Statement. 10.14* First Amendment to Purchase Agreement dated as of February  1, 2006 between Morningstar and Patrick Reinkemeyer is  incorporated by reference to Exhibit 10.1 to our Current  Report on Form 8-K that we filed with the SEC on February  3, 2006 (the February 2006 8-K). 101 ^ The following financial information from Morningstar Annual  Report on Form 10-K for the year ended December 31, 2010,  filed with the SEC on February 28, 2011, formatted in XBRL:  (i) Condensed Consolidated Statements of Income, (ii)  Condensed Consolidated Balance Sheets, (iii) Condensed  Consolidated Statement of Equity and Comprehensive  Income (Loss), (iv) Condensed Consolidated Statements of  Cash Flows and (v) the Notes to Unaudited Condensed  Consolidated Financial Statements, tagged as blocks of text. 10.15* Purchase Agreement dated April 30, 2003 between  Morningstar and David Williams is incorporated by reference  to Exhibit 10.9 to the Registration Statement. 10.16* First Amendment to Purchase Agreement dated as of February 1, 2006 between Morningstar and David Williams  is incorporated by reference to Exhibit 10.2 to the February  2006 8-K. 10.17* Agreement dated as of February 18, 2010 between Tao Huang  and Morningstar is incorporated by reference to Exhibit 10.1  to our Current Report on Form 8-K that we filed with the  SEC on February 18, 2010. 10.18* Separation Agreement dated as of November 10, 2010  between Morningstar Associates, Morningstar, and Patrick  Reinkemeyer is incorporated by reference to Exhibit 10.1 to  our Current Report on Form 8-K that we filed with the SEC  on November 10, 2010. 10.19* Separation Agreement dated as of January 27, 2011between  Morningstar and Tao Huang is incorporated by reference to  Exhibit 10.1 to our Current Report on Form 8-K that we filed  with the SEC on January 28, 2011. *Management contract with a director or executive officer for a compensatory plan or  arrangement in which directors or executive officers are eligible to participate.  †  Filed herewith. $^{^ }$Users of this data are advised pursuant to Rule 406T of Regulation S-T that this interactive  data file is deemed not filed or part of a registration statement or prospectus for purposes  of sections 11 or 12 of the Securities Act of 1933, is deemed not filed for purposes of sec- tion 18 of the Securities Exchange Act of 1934, and otherwise is not subject to liability  under these sections Exhibit  Description Exhibit  Description