| X | Rule 13d-1(b) | 
| [  ] | Rule 13d-1(c) | 
| [  ] | Rule 13d-1(d) | 
| * | The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page. | 
| 1.   NAMES OF REPORTING PERSONS       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Teachers Insurance and Annuity Association of America  | ||
| 2.   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (see instructions) | (a)    [   ] (b)    [   ] | |
| 3.   SEC USE ONLY | ||
| 4.   CITIZENSHIP OR PLACE OF ORGANIZATION       New York | ||
| NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH | 5.   SOLE VOTING POWER       3,310,590 | |
| 6.   SHARED VOTING POWER       0 | ||
| 7.   SOLE DISPOSITIVE POWER       3,310,590 | ||
| 8.   SHARED DISPOSITIVE POWER       0 | ||
| 9.   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 3,310,590 | ||
| 10.   CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES       (see instructions)    [   ] | ||
| 11.   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)       100% | ||
| 12.   TYPE OF REPORTING PERSON (see instructions)        IC | ||
| (a) | Name of Issuer  Nuveen Churchill BDC Inc. | 
| (b) | Address of Issuer’s Principal Executive Offices  430 Park Avenue, 14th Floor New York, NY 10022 | 
| (a) | Name of Person Filing  Teachers Insurance and Annuity Association of America | 
| (b) | Address of the Principal Office or, if none, residence  730 Third Avenue, New York, NY 10017 | 
| (c) | Citizenship New York | 
| (d) | Title of Class of Securities  Common Stock | 
| (e) | CUSIP Number: None | 
| (a) | [  ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o). | 
| (b) | [  ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c). | 
| (c) |  X  Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c). | 
| (d) | [  ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8). | 
| (e) | [  ] An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E); | 
| (f) | [  ] An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F); | 
| (g) | [  ] A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G); | 
| (h) | [  ] A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); | 
| (i) | [  ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3); | 
| (j) | [  ] Group, in accordance with §240.13d-1(b)(1)(ii)(J). | 
| (a) | Amount beneficially owned: 3,310,590. | |
| (b) | Percent of class: 100% | |
| (c) | Number of shares as to which the person has: | |
| (i) | Sole power to vote or to direct the vote: 3,310,590. | |
| (ii) | Shared power to vote or to direct the vote: 0. | |
| (iii) | Sole power to dispose or to direct the disposition of: 3,310,590. | |
| (iv) | Shared power to dispose or to direct the disposition of: 0. | |
| February 21, 2020 | 
| Date | 
| /s/ Shaul Vichness | 
| Signature | 
| Managing Director, Nuveen Alternatives Advisors LLC (investment adviser to Teachers Insurance and Annuity Association of America) | 
| Name/Title |