Exhibit 99.906CERT
Certification Pursuant to Rule 30a-2(b) under the 1940 Act and
Section 906 of the Sarbanes-Oxley Act of 2002
Pursuant to 18 U.S.C. § 1350, the undersigned officer of BlackRock Large Cap Series Funds, Inc. and Master Large Cap Series LLC (the “registrants”), hereby certifies, to the best of his knowledge, that the registrants’ Report on Form N-CSR for the period ended September 30, 2021 (the “Report”) fully complies with the requirements of Section 15(d) of the Securities Exchange Act of 1934, as amended, and that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the registrants.
Date: December 3, 2021
/s/ John M. Perlowski
John M. Perlowski
Chief Executive Officer (principal executive officer) of
BlackRock Large Cap Series Funds, Inc. and Master Large Cap Series LLC
Pursuant to 18 U.S.C. § 1350, the undersigned officer of BlackRock Large Cap Series Funds, Inc. and Master Large Cap Series LLC (the “registrants”), hereby certifies, to the best of his knowledge, that the registrants’ Report on Form N-CSR for the period ended September 30, 2021 (the “Report”) fully complies with the requirements of Section 15(d) of the Securities Exchange Act of 1934, as amended, and that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the registrants.
Date: December 3, 2021
/s/ Trent Walker
Trent Walker
Chief Financial Officer (principal financial officer) of
BlackRock Large Cap Series Funds, Inc. and Master Large Cap Series LLC
This certification is being furnished pursuant to Rule 30a-2(b) under the Investment Company Act of 1940, as amended, and 18 U.S.C. § 1350 and is not being filed as part of the Form N-CSR with the Securities and Exchange Commission.